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ISO/TR 15608 Material Groups

ISO/TR 15608 Material Groups

Material Group 34

ISO/TR 15608 Material Group 34:
Copper-nickel alloys

CUPRONICKEL

90-10 copper-nickel (CW352H), an alloy with 90% copper and 10% nickel, is the most commonly used alloy. It can be found in naval and commercial shipping, offshore oil and gas production as well as desalination and power generation. Alloys with 30% nickel content (CW353H and CW354H) and those which are more highly alloyed with aluminum, chromium or tin are used where greater resistance to seawater flow, sand abrasion, wear and galling, as well as higher mechanical properties, are required.

This material has a very high corrosion-resistance and has thermal stability. This material also exhibits a very high tolerance to corrosion cracking under stress and oxidation in a steam or moist air environment. Higher nickel content in this material will have improved corrosion resistance in seawater, and resistance to marine biological fouling.

Application for CUPRONICKEL

This material is typically found in marine equipment like sea water piping, valves, pumps and heat exchanger end plates and tubes. They materials are very well suited for applications in cryogenics as well as for other low-temperature applications in marine and off-shore technology or in liquefied natural gas (LNG) technology and plants.

Weldability of CUPRONICKEL

Copper nickel alloys are the most commonly used in welded fabrication projects. Phosphorus and sulphur levels in these alloys is less than 0.02% to ensure good welds. Most copper nickel alloys do not contain a deoxidizer. Therefore, fusion welding requires the addition of a deoxidized filler metal. This lowers the risk of porosity in the weld.

No preheating or post heating normally necessary. Interpass temperatures should be maintained below 65°C (150°F). Stress relieving temperature for welds 538 °C (1000 °F).

Typical CUPRONICKEL materials ISO/TR 15608 material group 34

Name / GradeNumberStandardProductRemarks

C70400
C70400
ASTM B-111
ASTM B-543
Smls. tube
Welded tube
ASME BPVC
ASME BPVC
CuNi25CW350H
C71300
EN 1652
Plate, sheet, stripe

CuNi9Sn2CW351H
C72500
EN 1652
Plate, sheet, stripe

CuNi10Fe1Mn
CuNi10Fe1Mn
CuNi10Fe1Mn
CuNi10Fe1Mn
CuNi10Fe1Mn
CuNi10Fe1Mn








CW352H
CW352H
CW352H
CW352H
CW352H
CW352H
C70600
C70600
C70600
C70600
C70600
C70600
C70600
C70600
C70600
EN 1652
EN 1653
EN 12420
EN 12449
EN 12451
EN 12452
ASTM B-111
ASTM B-151
ASTM B-171
ASTM B-359
ASME B-395
ASTM B-466
ASTM B-467
ASTM B-543
ASTM B-956
Plate, sheet, stripe
Plate for pressure vessels & boilers
Forging
Smls. tubes
Smls. tube for heat exchangers
Finned, smls. tubes for heat exchangers
Smls. tubes
Rod & Bar
Plate & Sheet
Smls. tube
Smls. tube
Smls. pipe & tube
Welded pipe
Welded tube
Finned welded tube






ASME BPVC
ASME BPVC
ASME BPVC
ASME BPVC
ASME BPVC
ASME BPVC
ASME BPVC
ASME BPVC
ASME BPVC









C70620
C70620
C70620
C70620
C70620
C70620
C70620
C70620
C70620
C70620
ASTM B-111
ASTM B-151
ASTM B-171
ASTM A-283
ASTM B-359
ASME B-395
ASTM B-466
ASTM B-467
ASTM B-543
ASTM B-956
Smls. tubes
Rod & Bar
Plate & Sheet
Forgings
Smls. tube
Smls. tube
Smls. pipe & tube
Welded pipe
Welded tube
Finned welded tube
ASME BPVC
ASME BPVC
ASME BPVC
ASME BPVC
ASME BPVC
ASME BPVC
ASME BPVC
ASME BPVC
ASME BPVC
ASME BPVC
CuNi30Fe2Mn2

CW353H
C71640
C71640
EN 12451
ASTM B-111
ASTM B-543
Seamless tube for heat exchangers
Seamless condenser tubes
Welded tube


CuNi30Mn1FeCW354H
CW354H
CW354H
CW354H
CW354H
C71500
C71500
C71500
C71500
C71500
C71500
C71500
EN 1653
EN 12420
EN 12449
EN 12451
EN 12452
ASTM B-111
ASTM B-171
ASTM B-359
ASME B-395
ASTM B-466
ASTM B-543
ASTM B-956
Plate for pressure vessels & boilers
Forging
Smls. tubes
Seamless tube for heat exchangers
Finned, smls. tubes for heat exchangers
Smls. tubes
Plate & Sheet
Smls. tube
Smls. tube
Smls. pipe & tube
Welded tube
Finned welded tube





ASME BPVC
ASME BPVC
ASME BPVC
ASME BPVC
ASME BPVC
ASME BPVC
ASME BPVC








C71520
C71520
C71520
C71520
C71520
C71520
C71520
C71520
C71520
ASTM B-111
ASTM B-171
ASTM A-283
ASTM B-359
ASME B-395
ASTM B-466
ASTM B-467
ASTM B-543
ASTM B-956
Smls. tubes
Plate & Sheet
Forgings
Smls. tube
Smls. tube
Smls. pipe & tube
Welded pipe
Welded tube
Finned welded tube
ASME BPVC
ASME BPVC
ASME BPVC
ASME BPVC
ASME BPVC
ASME BPVC
ASME BPVC
ASME BPVC
ASME BPVC
C72200ASTM B-111Smls. tubesSME BPVC



C71000
C71000
C71000
C71000
ASTM B-111
ASTM B-359
ASTM B-395
ASTM B-466
Smls. tubes
Smls. tube
Smls. tube
Smls. pipe & tube
ASME BPVC
ASME BPVC
ASME BPVC
ASME BPVC
CuNi10Fe1Mn1-C
CC380H
C96200
EN 1982
ASTM B-369
Casting
Casting

ASME BPVC
CuNi10Fe1Mn1-B
CB380H
C96200
EN 1982
ASTM B-30
Casting
Casting

CuNi30Fe1Mn1-CCC381HEN 1982Casting
CuNi30Fe1Mn1-BCB381HEN 1982Casting
CuNi30Cr2FeMnSi-C
CC382H
C91900
EN 1982
ASTM B-30
Casting
Casting

CuNi30Fe1Mn1NbSi-C
CC383H
C96400
EN 1982
ASTM B-30
Casting
Casting

Table: Typical materials

Material Group 45

ISO/TR 15608 Material Group 45 such as alloy 825:
Nickel-iron-chromium alloys (Ni-Fe-Cr) with Ni ≥ 31 %

Nickel-Iron-Chromium alloys composition such as alloy 825

The high nickel content is sufficient for resistance to chloride-ion stress-corrosion cracking. The nickel, in conjunction with the molybdenum and copper, also gives outstanding resistance to reducing environments such as those containing sulfuric and phosphoric acids. As an austenitic, nickel-base alloy, the material is ductile over a wide range of temperatures from cryogenic to well in excess 538°C . Fabricability is typical nickel-base alloys, with the material readily formable and weldable by a variety of techniques.

Applications of Nickel-Iron-Chromium alloys such as alloy 825

The main applications are chemical processing, pollution control, oil and gas recovery, acid production, pickling operations also for

  • pipes, tubes and fittings in the oil and gas extraction, e. g. in heat exchangers, evaporators, washers, immer- sion pipes in sea water cooled heat exchangers, offshore piping 
  • Components in sulfuric acid pickling plants like heating coils, vessels, boilers, baskets and chains 
  • Heat exchangers, evaporators, washers, immersion pipes in phosphoric acid production 
  • Food industry 

Alloy 825: High Corrosion Resistance

Nickel-Iron-Chromium alloys have a high level of corrosion resistance. In both reducing and oxidize environments, the alloy resists general corrosion, pitting, crevice corrosion, intergranular corrosion, and stress-corrosion cracking.

Typical materials in group 45

NameNumberStandardProductAlloy/Trade MarkRemarks
X2NiCrAITi32-1011.4558EN 10216-5Smls. tubesEN 13445-2/-10
X10NiCrAITi32-20







1.4876
N08800
N08800
N08800
N08800
N08800
N08800
N08800
N08800
EN 10028-7
ASTM B-163
ASTM B-366
ASTM B-407
ASTM B-408
ASTM B-409
ASTM B-514
ASTM B-515
ASTM B-564
Plate
Smls. tubes
Fitting
Smls. pipe & tube
Bar
Plate
Welded pipe
Welded tube
Forging
INCOLOY® alloy 800
VDM® Alloy 800
EN 13445-2/-10
ASME BPVC
ASME BPVC
ASME BPVC
ASME BPVC
ASME BPVC
ASME BPVC
ASME BPVC
ASME BPVC
N08801ASTM B-163Seamless tubealloy 801
X5NiCrAlTi31-20
X5NiCrAlTi31-20







1.4958
1.4958
N08810
N08810
N08810
N08810
N08810
N08810
N08810
EN 10028-7
EN 10216-5
ASTM B-163
ASTM B-407
ASTM B-408
ASTM B-409
ASTM B-514
ASTM B-515
ASTM B-564
Plate
Smls. tubes
Smls. tube
Smls. pipe & tube
Rod & bar
Plate
Welded pipe
Welded tube
Forging

INCOLOY® alloy 800H
Nicrofer® 3220H
EN 13445-2/-10
EN 13445-2/-10
ASME BPVC
ASME BPVC
ASME BPVC
ASME BPVC
ASME BPVC
ASME BPVC
ASME BPVC
X8NiCrAlTi32-21
X8NiCrAlTi32-21
X8NiCrAlTi32-21






1.4959
1.4959
1.4959
N08811
N08811
N08811
N08811
N08811
N08811
EN 10028-7
EN 10216-5
EN 10217-7
ASTM B-163
ASTM B-407
ASTM B-408
ASTM B-409
ASTM B-515
ASTM B-564
Flat products
Smls. tube
Welded tube
Smls. tube
Smls. pipe and tube
Rod & Bar
Plate
Welded tube
Forging
INCOLOY® alloy 800HT
Nicrofer® 3220HP
EN 13445-2/-10
EN 13445-2/-10
EN 13445-2
ASME BPVC
ASME BPVC
ASME BPVC
ASME BPVC
ASME BPVC
ASME BPVC
NiCr20CuMo






2.4660
N08020
N08020
N08020
N08020
N08020
N08020
N08020

ASTM B-366
ASTM B-462
ASTM B-463
ASTM B-464
ASTM B-468
ASTM B-473
ASTM B-729

Fittings
Forgings
Plate
Welded pipe
Welded tube
Bar
Smls. pipe & tube

INCOLOY® alloy 020
VDM® Alloy 20

ASME BPVC
ASME BPVC
ASME BPVC
ASME BPVC
ASME BPVC
ASME BPVC
ASME BPVC
NiCr30FeMo






2.4603
N06030
N06030
N06030
N06030
N06030
N06030
N06030

ASTM B-366
ASTM B-462
ASTM B-581
ASTM B-582
ASTM B-619
ASTM B-622
ASTM B-626

Fittings
Forgings
Rod
Plate
Welded pipe
Smls. pipe & tube
Welded tube

HASTELLOY® G-30 alloy

ASME BPVC
ASME BPVC
ASME BPVC
ASME BPVC
ASME BPVC
ASME BPVC
ASME BPVC
NiCr28FeSiCe







2.4889
N06045
N06045
N06045
N06045
N06045
N06045
N06045
N06045
EN 10095
ASTM B-166
ASTM B-167
ASTM B-168
ASTM B-366
ASTM B-462
ASTM B-516
ASTM B-517
ASTM B-564

Rod and bar
Smls. pipe & tube
Plate
Fittings
Forgings
Welded tube
Welded pipe
Forging

Nicrofer® 45 TM

ASME BPVC
ASME BPVC
ASME BPVC
ASME BPVC
ASME BPVC
ASME BPVC
ASME BPVC
ASME BPVC
NiCr22Mo7Cu





2.4619
N06985
N06985
N06985
N06985
N06985
N06985

ASTM B-366
ASTM B-581
ASTM B-582
ASTM B-619
ASTM B-622
ASTM B-626

Fittings
Rod
Plate
Welded pipe
Smls. pipe & tube
Welded tube

HASTELLOY® G-3 alloy

ASME BPVC
ASME BPVC
ASME BPVC
ASME BPVC
ASME BPVC
ASME BPVC
NiCr21Mo







2.4858
N08825
N08825
N08825
N08825
N08825
N08825
N08825
N08825
VdTÜV 432/1
ASTM B-163
ASTM B-366
ASTM B-423
ASTM B-424
ASTM B-425
ASTM B-564
ASTM B-704
ASTM B-705
Plate
Smls. tube
Fitting
Smls. pipe & tube
Plate
Rod & bar
Forgings
Welded tube
Welded pipe

INCOLOY® alloy 825

ASME BPVC
ASME BPVC
ASME BPVC
ASME BPVC
ASME BPVC
ASME BPVC
ASME BPVC
ASME BPVC
N08024
N08024
N08024
ASTM B-463
ASTM B-464
ASTM B-468
Plate
Welded pipe
Welded tube
ASME BPVC
ASME BPVC
ASME BPVC
N08026
N08026
N08026
ASTM B-463
ASTM B-464
ASTM B-468
Plate
Welded pipe
Welded tube
ASME BPVC
ASME BPVC
ASME BPVC
X1NiCrMoCu32-28-7







1.4562
N08031
N08031
N08031
N08031
N08031
N08031
N08031
N08031

ASTM B-366
ASTM B-462
ASTM B-564
ASTM B-581
ASTM B-619
ASTM B-622
ASTM B-625
ASTM B-626

Fittings
Forging
Forging
Rod
Welded pipe
Smls. pipe & tube
Plate
Welded tube

VDM® Alloy 31

ASME BPVC
ASME BPVC
ASME BPVC
ASME BPVC
ASME BPVC
ASME BPVC
ASME BPVC
ASME BPVC
X1NiCrMoCu31-27-4
X1NiCrMoCu31-27-4
X1NiCrMoCu31-27-4
X1NiCrMoCu31-27-4
X1NiCrMoCu31-27-4
X1NiCrMoCu31-27-4

1.4563
1.4563
1.4563
1.4563
1.4563
1.4563
N08028
N08028
EN 10028-7
EN 10272
EN 10216-5
EN 10216-5
EN 10217-7
EN 10253-4
ASTM B-668
ASTM B-709
Plate
Bar
Seamless tube
Seamless tube
Welded tube
Fittings
Seamless tube
Plate
VDM® Alloy 28EN 13445-2
EN 13445-2
EN 13445-2
EN 13445-2
EN 13445-2
EN 13445-2
ASME BPVC
ASME BPVC
NiFe33Cr25Co







2.4854
N08120
N08120
N08120
N08120
N08120
N08120
N08120
N08120

ASTM B-163
ASTM B-366
ASTM B-407
ASTM B-408
ASTM B-409
ASTM B-514
ASTM B-515
ASTM B-564

Seamless tube
Fitting
Smls. pipe & tube
Rod & bar
Plate
Welded pipe
Welded tube
Forging

HAYNES® HR-120® alloy
VDM® Alloy N08120

ASME BPVC
ASME BPVC
ASME BPVC
ASME BPVC
ASME BPVC
ASME BPVC
ASME BPVC
ASME BPVC
CT15CN08151ASTM A-351CastingASME BPVC
HT30N08603ASTM A-351CastingASME BPVC
X12NiCrSi35-16




1.4864
N08330
N08330
N08330
N08330
N08330
EN 10095
ASTM B-366
ASTM B-511
ASTM B-535
ASTM B-536
ASTM B-710

Fitting
Bar and shape
Smls. pipe & tube
Plate
Welded pipe

VDM® Alloy 330

ASME BPVC
ASME BPVC
ASME BPVC
ASME BPVC
ASME BPVC
NiCr19Fe19Nb5Mo3


2.4668
N07718
N07718
N07718
DIN 17744
ASTM B-637
ASTM B-670
ASTM B-906
Plate
Rod & bar
Plate
Plate

INCONEL® Alloy 718
VDM® Alloy 718
Nicrofer® 5219 Nb

ASME BPVC
ASME BPVC
ASME BPVC
CU5MCuCN08826ASTM A-494CastingAlloy 826ASME BPVC
X1CrNiMoCuN33-32-1






1.4591
R20033
R20033
R20033
R20033
R20033
R20033
R20033

ASTM B-366
ASTM B-462
ASTM B-564
ASTM B-619
ASTM B-622
ASTM B-625
ASTM B-649

Fitting
Forging
Forging
Welded pipe
Smls. pipe & tube
Plate
Bar

VDM® Alloy 33

ASME BPVC
ASME BPVC
ASME BPVC
ASME BPVC
ASME BPVC
ASME BPVC
ASME BPVC
X10CrNiCoMoN22-20-18




1.4883
R30556
R30556
R30556
R30556
R30556

ASTM B-366
ASTM B-572
ASTM B-619
ASTM B-622
ASTM B-626

Forging
Rod
Welded pipe
Smls. pipe & tube
Welded tube

HAYNES® 556® alloy

ASME BPVC
ASME BPVC
ASME BPVC
ASME BPVC
ASME BPVC
1 see also Material Group 8.2

ISO/TR 15608 Material Group 3.2

ISO/TR 15608 Material Group 3.2: Quenched and tempered (QT) fine-grain high strength steels with a specific minimum yield strength ReH > 690 N/mm2.

What is the quenched and tempering (QT) process of high strength steels?

Quenching and tempering is a heat-treatment method for high strength low alloy steel. Quenching and tempering consists of a two-stage heat-treatment process. 
Stage 1 includes hardening, in which the plate is austenitised to approximately 900°C and then quickly cooled. The material is water-quenched in a quench unit, in which the plate is clamped to avoid warpage. 
Stage 2 consists of tempering the material to obtain the desired material properties. Quenching and tempering achieves an extremely fine-grained and homogeneous microstructure. Quenched and tempered steel is characterised by high strength and good ductility.

Weldability of high strength steels ISO/TR 15608 Material Group 3.2

The high-strength tempered materials are generally weldable. However, certain requirements must be met during welding with regard to heat input and controlled cooling in the heat-affected zone and the use of hydrogen-reduced weld metal

When welding high strength steels, it should be noticed that that a tempering effect occurs due to the heat input during welding, which influences the properties of the base material. The temperature-time cycles during welding have a significant effect on the mechanical properties of a welded joint and the heat effect zones. It is understood, that the t8/5-time is sufficient to describe the temperature-time characteristics. t8/5 is the cooling time from 800°C to 500°C and describes the cooling conditions of an individual weld pass for the weld metal and the corresponding heat affected zone (HAZ). t8/5 depends on the heat input during welding, the plate temperature (or interpass temperature), the shape factor (geometry) and on plate thickness if two dimensional heat flow occurs which is generally the case for thin plates. To achieve satisfactory weld metal properties the welding parameters must be limited with increasing yield strength. For example acceptable properties for an P960QL steel are normally obtained with cooling times between 5 s and 20 s. For lower cooling times the hardness of the heat affected zone may exceed limiting values with the risk of introducing cracks.

The hydrogen content of the consumables H2 has a significant influence on the preheating temperature. In order to reduce the risk of hydrogen-induced cracking the preheating temperature must be increased with growing hydrogen content.

Flame straightening of high strength steels ISO/TR 15608 Material Group 3.2

The maximum recommended temperatures for flame straightening is usually 550°C for quenched and tempered steels.

Quenched and tempered (QT) fine-grain steels with a specific minimum yield strength 460 < ReH ≤ 690 N/mm2see Group 3.1

Typical materials in group 3.2

Name / GradeNumberStandardProductRemarks
S700MC1.8974EN 10149-2Platefor cold forming
S900MC1.8798EN 10149-2Platefor cold forming
S690MC1.8799EN 10149-2Platefor cold forming
S890Q1.8940EN 10025-6Platestructural steels
S890QL1.8983EN 10025-6Platestructural steels
S890QL11.8925EN 10025-6Platestructural steels
S960Q1.8941EN 10025-6Platestructural steels
S960QL1.8933EN 10025-6Platestructural steels
A, Cl. 1
A, Cl. 2
A, Cl. 3
K12521
K12521
K12521
ASTM A-533
ASTM A-533
ASTM A-533
Plate
Plate
Plate
ASME BPVC
ASME BPVC
ASME BPVC
J100K12521ASTM A-672Fusion welded pipeASME BPVC
Table: Typical materials

Read More

ISO 15614-1: Which range of material groups according to ISO/TR 15608 are qualified?

What are designations for materials such as EN-Material No., Grade, AISI, or UNS?

What are HIC resistant steels?

Material Group 22.4

Material Group 22.4 ISO/TR 15608 such as EN AW-5083:
Non heat treatable aluminium-magnesium-alloys with Mg > 3,5 %.

Features of Al-Mg-Alloys such EN AW-5083 alloy

The AW-5083 alloy is highly corrosion-resistant to attack by seawater and industrial chemicals, have highest strengths and are not hardenable (by heat treatment). This alloys are used for apparatus and pipes in the chemical industry, low temperature applications (cryogenic equipment), pressure vessels, roller shutters, roller doors and heat exchangers. The relatively low formability of the alloy limits the complexity of the shapes that can be extruded, although simple hollow shapes are possible.

EN AW-5083 retains exceptional strength after welding. It has the highest strength of the non-heat treatable alloys with an ultimate yield strength Rp20°C = 125 MPa.

Applications of Al-Mg-Alloys such EN AW-5083 alloy

Al-Mg-Alloy EN AW-5083 is suitable for the manufacture of pressure vessels and piping in accordance with EN 1392 “Aluminum and aluminum alloys – Wrought and cast products – Particular requirements for products for the fabrication of pressure equipment” see table below.

Table: Weldability and pressurised applications for aluminium alloy material group 22.4 in acc. to EN 1392:

MaterialConditionWeldabilityApplicationmin./max.
Working Temp.
EN AW-5083O/H111
H112
H32
H34
yesPressure Vessel, Piping
Pressure Vessel, Piping
Piping
Piping
-273/75 °C
EN AW-5086O/H111
H112
H32
H34
H36
yesPressure Vessel, Piping
Pressure Vessel, Piping
Piping
Piping
Piping
-273/75 °C

Typical materials in group 22.4

Name / GradeNumberStandardProductRemarks
EN AW-AlMg4,5Mn0,7
EN AW-AlMg4,5Mn0,7
EN AW-AlMg4,5Mn0,7
EN AW-AlMg4,5Mn0,7
EN AW-5083
EN AW-5083
EN AW-5083
EN AW-5083
EN 485
EN 586
EN 754
EN 755
Plate, sheet, stripe
Forging
Cold drawn rod/bar and tube
Extruded rod/bar, tube
EN 13445-8 & EN 13480-8
EN 13445-8 & EN 13480-8
EN 13445-8 & EN 13480-8
EN AW-AlMg4
EN AW-AlMg4
EN AW-AlMg4
EN AW-5086
EN AW-5086
EN AW-5086
EN 485
EN 754
EN 755
Plate, sheet, stripe
Cold drawn rod/bar and tube
Extruded rod/bar, tube
EN 13445-8 & EN 13480-8
EN 13445-8 & EN 13480-8
EN 13445-8 & EN 13480-8
5083
5083
5083
5083
5083
5083
5083
5083
5083
A95083
A95083
A95083
A95083
A95083
A95083
A95083
A95083
A95083
ASTM B-209
ASTM B-210
ASTM B-221
ASTM B-241
ASTM B-247
ASTM B-345
ASTM B-361
ASTM B-547
ASTM B-928
Plate & sheet
Smls. tube
Bar, rod & shape
Smls. pipe & tube
Forging
Smls. pipe & tube
Fitting
Welded tube
Plate
ASME BPVC
ASME BPVC
ASME BPVC
ASME BPVC
ASME BPVC
ASME BPVC
ASME BPVC
ASME BPVC
ASME BPVC
5086
5086
5086
5086
5086
A95086
A95086
A95086
A95086
A95086
ASTM B-209
ASTM B-210
ASTM B-241
ASTM B-345
ASTM B-928
Plate & sheet
Smls. tube
Smls. pipe & tube
Smls. pipe & tube
Plate
ASME BPVC
ASME BPVC
ASME BPVC
ASME BPVC
ASME BPVC
5154
5154
5154
5154
A95154
A95154
A95154
A95154
ASTM B-209
ASTM B-210
ASTM B-221
ASTM B-361
Plate & sheet
Smls. tube
Bar, rod & shape
Fittings
ASME BPVC
ASME BPVC
ASME BPVC
ASME BPVC
5254A95254ASTM B-209Plate & sheetASME BPVC
5456
5456
5456
5456
5456
A95456
A95456
A95456
A95456
A95456
ASTM B-209
ASTM B-210
ASTM B-221
ASTM B-241
ASTM B-928
Plate & sheet
Smls. tube
Bar, rod & shape
Smls. pipe & tube
Plate & sheet
ASME BPVC
ASME BPVC
ASME BPVC
ASME BPVC
ASME BPVC
Table: Typical materials

ISO/TR 15608 Material Group 6.2

ISO/TR 15608 Material Group 6.2: Cr-Mo-V such 13CrMoV9-10
Steels with 0,75 % ≤ Cr < 3,5 %, 0,7 < Mo ≤ 1,2 % and V ≤ 0,35 %

Features of low alloyed Cr-Mo-V steel (2.25Cr-1Mo-0.25V)

CrMo (V) steels with 0.25 % V offer better performance for petrochemical reactors compared to 10CrMo9-10 steels that means the specified yield strength and creep properties for this material is better compared to 10CrMo9-10 steel.

Applications for low alloyed Cr-Mo-V (13CrMoV9-10) steel

This material may be used in all applications requiring service conditions under high temperature and high pressure of hydrogen.

Is particularly suitable for pressure equipment in high temperature hydrogen service (e.g. hydrotreating reactors, exchangers, hydrotreating reactors, hydrodesulfurizers, hydrocrackers)

Welding conditions for 13CrMoV9-10 steel

Welding needs precautions, in particular: tight control of preheat, interpass temperature intermediate stress relieving and post weld heating to avoid cold cracking;

However, the risk of cold cracking is known to occur in the weld metal more frequently than in the HAZ. Therefore, a preheat and minimum interpass temperature of 200°C is recommended for thickness higher than 30 mm. After welding a Dehydrogenation Heat Treatment ≥ 140 °C is recommended. After welding, these steels generally have to be PWHT e.g. 680 °C.

Typical materials in group 6.2

Name/TypeNumberStandardProductRemark
7CrMoVTiB10-10+NT1.7378EN 10216-2Smls. tubeEN 13445-2
7CrWVMoNb9-6+NT1.8201EN 10216-2Smls. tubeEN 13445-2
F3V
F3V
3V
3V
C, Cl. 1
C, Cl. 2
C, Cl. 3
C, Cl. 4
C, Cl. 4a
21V
K31830
K31830
K31830
K31830
K31830
K31830
K31830
K31830
K31830
K31830
ASTM A-182
ASTM A-336
ASTM A-508
ASTM A-541
ASTM A-542
ASTM A-542
ASTM A-542
ASTM A-542
ASTM A-542
ASTM A-832
Forging
Forging
Forging
Forging
Plate
Plate
Plate
Plate
Plate
Plate
ASME BPVC
ASME BPVC
ASME BPVC
ASME BPVC
ASME BPVC
ASME BPVC
ASME BPVC
ASME BPVC
ASME BPVC
ASME BPVC
13CrMoV9-10+NT
13CrMoV9-10+QT
F22V
F22V
22V
D, Cl. 4A
22V
1.7703
1.7703
K31835
K31835
K31835
K31835
K31835
EN 10028-2
EN 10028-2
ASTM A-182
ASTM A-336
ASTM A-541
ASTM A-542
ASTM A-832
Plate
Plate
Forging
Forging
Forging
Plate
Plate
EN 13445-2 & EN 13480-2
EN 13445-2 & EN 13480-2
ASME BPVC
ASME BPVC
ASME BPVC
ASME BPVC
ASME BPVC
12CrMoV12-10+NT
12CrMoV12-10+QT
F3VCb
3VCb
F3VCb
3VCb
E, Cl. 4a
1.7767
1.7767
K31390
K31390
K31390
K31390
K31390
EN 10028-2
EN 10028-2
ASTM A-182
ASTM A-336
ASTM A-508
ASTM A-541
ASTM A-542
Plate
Plate
Forging
Forging
Forging
Forging
Plate
EN 13445-2 & EN 13480-2
EN 13445-2 & EN 13480-2
ASME BPVC
ASME BPVC
ASME BPVC
ASME BPVC
ASME BPVC
G17CrMoV5-101.7706EN 10213CastingEN 13445-2
23VASTM A-832PlateASME BPVC
8J11697ASTM A-356CastingASME BPVC
9J21610ASTM A-356CastingASME BPVC
Table: Typical materials

Material Group 54

Material Group 54 ISO/TR 15608: Titanium near beta and beta alloys c

c Alloys covered by group 54 are:
Ti-10V-2Fe-3Al, Ti-13V-11Cr-3Al, Ti-11.5Mo-6Zr-4.5Sn, Ti-3Al-8V-6Cr-4Zr-4Mo;

Ti-3Al-8V-6Cr-4Zr-4Mo

This grade is a metastable beta titanium alloy known of its exceptional ductility in the solution treated (annealed) condition, and for its heigh strength and ductility in the solution treated and aged condition. Improved tensile properties can be achieved , while maintaining good ductility and low modus of elasticity. Fatigue strength is also good in the solution treated and aged condition.
This grade find applications in high strength commercial applications, structural parts , gas and petroleum down-hole and piping systems and fasteners and can be used for extended periods in elevated temperature environment below 349°C.

Typical materials in group 54

Name / GradeNumberStandardProductRemarks
Grade 193.7145DIN 17851
Ti-3Al-8V-6Cr-4Zr-4Mo
(Grade 19)
R58640
R58640
R58640
R58640
R58640
R58640
R58640
ASTM B-265
ASTM B-338
ASTM B-348
ASTM B-363
ASTM B-381
ASTM B-861
ASTM B-862
Plate
Seamless and welded tube
Bar
Seamless and welded fittings
Forgings
Seamless pipe
Welded pipe
ATI 38-644™
Table: Typical materials

Material Group 8.2

Material Group 8.2 ISO/TR 15608: Austenitic stainless steels with
Cr > 19 % and Ni ≤ 35 %

Features of Austenitic stainless steels group 8.2 such as 253MA

Higher alloyed stainless steels generally exhibit excellent elevated temperature strength along with resistance to creep deformation and environmental attack. Because of the higher chromium (and nickel) content, the corrosion resistance and heat resistance of these grades is slightly better than that of stainless steel 304.

Applications for Stainless Steel e.g. 253MA

These alloys are also used in the chemical process industry to contain hot concentrated acids, ammonia, and sulfur dioxide. In the food processing industry, they are used in contact with hot acetic and citric acid.

Good strength and oxidation resistance in continuous service temperatures dry air up to 1100 °C). However, the temperature range from 600 °C to 900 °C should be avoided as grain disintegration may occur, which negatively affects the notched impact values at room temperature. Due to the relatively high content of N and C, resistance in reducing or oxidizing atmospheres is poor. This is particularly the case in sulfur-containing gases.
Used in different industries such as oil & gas, refineries, fertilisers, heat exchangers, pharmaceuticals, chemicals, apparatus engineering, sugar & food processing .

Typical materials in group 8.2

Name / GradeNumberStandardsProductAlloy / Trade MarkRemarks
X1CrNi25-21
X1CrNi25-20
1.4335
1.4335
EN 10028-7
EN 10216-5
Plate
Seamless tube

EN 13445-2 & EN 13480-2
EN 13445-2 & EN 13480-2
GX2NiCrMo28-20-21.4458EN 10213CastingEN 13445-2 & EN 13480-2
X1CrNiMoN25-22-2
X1CrNiMoN25-22-2
1.4466
1.4466
EN 10028-7
EN 10216-5
Plate
Seamless tube
EN 13445-2 & EN 13480-2
EN 13445-2 & EN 13480-2
X1NiCrMoCuN25-20-7
X1NiCrMoCuN25-20-7
X1NiCrMoCuN25-20-7
X1NiCrMoCuN25-20-7
X1NiCrMoCuN25-20-7
926
926
926
926
926
1.4529
1.4529
1.4529
1.4529
1.4529
N08926
N08926
N08926
N08926
N08926
EN 10028-7
EN 10272
EN 10216-5
EN 10217-7
EN 10253-4
ASTM B-625
ASTM B-649
ASTM B-673
ASTM B-674
ASTM B-677
Plate
Bar
Seamless tube
Welded tube
Fittings
Plate
Bar
Welded pipe
Welded tube
Smls. pipe & tube
926
VDM® Alloy 926
INCOLOY® C
Alloy 25-6M
EN 13445-2 & EN 13480-2
EN 13445-2 & EN 13480-2
EN 13445-2 & EN 13480-2
EN 13445-2 & EN 13480-2
EN 13445-2 & EN 13480-2
ASME BPVC
ASME BPVC
ASME BPVC
ASME BPVC
ASME BPVC
X1CrNiMoCuN25-25-51.4537EN 10028-7 PlateEN 13445-2 & EN 13480-2
X1NiCrMoCu25-20-5
X1NiCrMoCu25-20-5
X1NiCrMoCu25-20-5
X1NiCrMoCu25-20-5
X1NiCrMoCu25-20-5
F904L
904L



904L




1.4539
1.4539
1.4539
1.4539
1.4539
N08904
N08904
N08904
N08904
N08904
N08904
N08904
N08904
N08904
N08904
N08904
EN 10028-7
EN 10272
EN 10216-5
EN 10217-7
EN 10253-4
ASTM A-182
ASTM A-240
ASTM A-249
ASTM A-312
ASTM A-403
ASTM A-479
ASTM B-625
ASTM B-649
ASTM B-673
ASTM B-674
ASTM B-677
Plate
Bar
Seamless tube
Welded tube
Fitting
Forging
Plate
Welded tube
Smls. & welded pipe
Fitting
Bar
Plate
Bar
Welded pipe
Welded tube
Smls. pipe & tube
904
VDM® Alloy 904 L
EN 13445-2 & EN 13480-2
EN 13445-2 & EN 13480-2
EN 13445-2 & EN 13480-2
EN 13445-2 & EN 13480-2
EN 13445-2 & EN 13480-2
ASME BPVC
ASME BPVC
ASME BPVC
ASME BPVC
ASME BPVC
ASME BPVC
ASME BPVC
ASME BPVC
ASME BPVC
ASME BPVC
ASME BPVC
X1NiCrMoCuN20-18-7
X1NiCrMoCuN20-18-7
X1NiCrMoCuN20-18-7
X1NiCrMoCuN20-18-7
X1NiCrMoCuN20-18-7

S31254
S31254
S31254
S31254

S31254
S31254
S31254
S31254
S31254
1.4547
1.4547
1.4547
1.4547
1.4547
S31254
S31254
S31254
S31254
S31254
S31254
S31254
S31254
S31254
S31254
S31254
EN 10028-7
EN 10272
EN 10216-5
EN 10217-7
EN 10253-4
ASTM A-213
ASTM A-240
ASTM A-249
ASTM A-312
ASTM A-358
ASTM A-403
ASTM A-409
ASTM A-479
ASTM A-813
ASTM A-814
ASTM B-366
Plate
Bar
Seamless tube
Welded tube
Fittings
Seamless tube
Plate
Welded tube
Smls. & welded pipe
Fusion welded pipe
Fitting
Welded pipe
Bar
Welded pipe
Cold worked weld. pipe
Forging fittings
254SMO
Ultra 254 SMO®
EN 13445-2 & EN 13480-2
EN 13445-2 & EN 13480-2
EN 13445-2 & EN 13480-2
EN 13445-2 & EN 13480-2
EN 13445-2 & EN 13480-2
ASME BPVC
ASME BPVC
ASME BPVC
ASME BPVC
ASME BPVC
ASME BPVC
ASME BPVC
ASME BPVC
ASME BPVC
ASME BPVC
ASME BPVC
GX2CrNiMoCuN20-18-61.4557EN 10283Steel casting
X2NiCrAlTi32-201.4558EN 10216-5Seamless tubeEN 13445-2 & EN 13480-2
X1NiCrMCu31-27-4
X1NiCrMCu31-27-4
X1NiCrMCu31-27-4
X1NiCrMCu31-27-4
1.4563
1.4563
1.4563
1.4563
EN 10028-7
EN 10216-5
EN 10217-7
EN 10272
Plate
Seamless tube
Welded tube
Bar



EN 13445-2 & EN 13480-2
EN 13445-2 & EN 13480-2
EN 13445-2 & EN 13480-2
EN 13445-2 & EN 13480-2
GX35NiCrSi2S-211.4805EN 10295Steel casting
GX40CrNiSi22-101.4826EN 10295Steel casting
X15CrNiSi20-12
309
WP309
1.4828
S30900
S30900
EN 10095
ASTM A-167
ASTM A-403

Plate
Fitting
309
ATI 309™

ASME BPVC
ASME BPVC
TP309Cb
309Cb
TP309Cb
TP309Cb
309Cb
TP309Cb
309Cb
TP309Cb
TP309Cb
S30940
S30940
S30940
S30940
S30940
S30940
S30940
S30940
S30940
ASTM A-213
ASTM A-240
ASTM A-249
ASTM A-312
ASTM A-358
ASTM A-409
ASTM A-479
ASTM A-813
ASTM A-814
Smls. tube
Plate
Welded tube
Smls. pipe & tube
Fusion welded pipe
Welded pipe
Bars
Welded pipe
Cold worked weld. pipe
309CbASME BPVC
ASME BPVC
ASME BPVC
ASME BPVC
ASME BPVC
ASME BPVC
ASME BPVC
ASME BPVC
ASME BPVC
TP309HCb
309HCb
TP309HCb
TP309HCb
S30941
S30941
S30941
S30941
ASTM A-213
ASTM A-240
ASTM A-249
ASTM A-312
Smls. tube
Plate
Welded tube
Smls. pipe & tube
309HCbASME BPVC
ASME BPVC
ASME BPVC
ASME BPVC
X9CrNiSiNCe21-11-2
F45
S30815
S30815
S30815
S30815
S30815
S30815
S30815
S30815
S30815
1.4835
S30815
S30815
S30815
S30815
S30815
S30815
S30815
S30815
S30815
S30815
S30815
EN 10095
ASTM A-182
ASTM A-213
ASTM A-240
ASTM A-249
ASTM A-312
ASTM A-358
ASTM A-409
ASTM A-479
ASTM A-813
ASTM A-814
ASTM B-366

Forging
Seamless tube
Plate
Welded tube
Smls. & welded pipe
Fusion welded pipe
Welded pipe
Bar
Welded pipe
Cold worked weld. pipe
Forging fittings
253MA
Therma 253 MA®

ASME BPVC
ASME BPVC
ASME BPVC
ASME BPVC
ASME BPVC
ASME BPVC
ASME BPVC
ASME BPVC
ASME BPVC
ASME BPVC
ASME BPVC
GX25CrNiSi20-141.4837EN 10295Steel casting
X15CrNiSi25-21
314
1.4841
S31400
EN 10095
ASTM A-276

Bar

314

ASME BPVC
GX40CrNiSi25-201.4848EN 10295Steel casting
GX40NiCrSiNb38-191.4849EN 10295Steel casting
GX40NiCrSiNb35-261.4852EN 10295Steel casting
X6CrNi23-13
TP309S
309S
TP309S
TP309S
309S
TP309S
309S
TP309S
1.4950
S30908
S30908
S30908
S30908
S30908
S30908
S30908
S30908
EN 10028-7
ASTM A-213
ASTM A-240
ASTM A-249
ASTM A-312
ASTM A-358
ASTM A-409
ASTM A-479
ASTM A-813
Plate
Seamless tube
Plate
Welded tube
Smls. pipe & tube
Fusion welded pipe
Welded pipe
Bar
Welded pipe
309SEN 13445-2 & EN 13480-2
ASME BPVC
ASME BPVC
ASME BPVC
ASME BPVC
ASME BPVC
ASME BPVC
ASME BPVC
ASME BPVC
TP309H
309H
TP309H
TP309H
S30909
S30909
S30909
S30909
ASTM A-213
ASTM A-240
ASTM A-249
ASTM A-312
Seamless tube
Plate
Welded tube
Smls. & welded pipe
309HASME BPVC
ASME BPVC
ASME BPVC
ASME BPVC
310
F310
F310
S31000
S31000
S31000
ASTM A-167
ASTM A-182
ASTM A-965
Plate
Forgings
Forgings
310ASME BPVC
ASME BPVC
ASME BPVC
X6CrNi25-20
TP310S
310S
TP310S
TP310S
310S
WP310S
TP310S
310S
TP310S
TP310S
1.4951
S31008
S31008
S31008
S31008
S31008
S31008
S31008
S31008
S31008
S31008
EN 10028-7
ASTM A-213
ASTM A-240
ASTM A-249
ASTM A-312
ASTM A-358
ASTM A-403
ASTM A-409
ASTM A-479
ASTM A-813
ASTM A-814
Plate
Seamless tube
Plate
Welded tube
Smls. & welded pipe
Fusion welded pipe
Fitting
Welded pipe
Bar
Welded pipe
Cold worked pipe

310S
310S ATI 310S™
310S
310S
310S
310S
310S
310S
310S
310S
EN 13445-2 & EN 13480-2
ASME BPVC
ASME BPVC
ASME BPVC
ASME BPVC
ASME BPVC
ASME BPVC
ASME BPVC
ASME BPVC
ASME BPVC
ASME BPVC
F310H
TP310H
310H
TP310H
TP310H
S31009
S31009
S31009
S31009
S31009
ASTM A-182
ASTM A-213
ASTM A-240
ASTM A-249
ASTM A-312
Forging
Seamless tube
Plate
Welded tube
Smls. & welded pipe
310HASME BPVC
ASME BPVC
ASME BPVC
ASME BPVC
ASME BPVC
TP310Cb
310Cb
TP310Cb
TP310Cb
310Cb
TP310Cb
310Cb
TP310Cb
TP310Cb
S31040
S31040
S31040
S31040
S31040
S31040
S31040
S31040
S31040
ASTM A-213
ASTM A-240
ASTM A-249
ASTM A-312
ASTM A-358
ASTM A-409
ASTM A-479
ASTM A-813
ASTM A-814
Seamless tube
Plate
Welded tube
Smls. & welded pipe
Fusion welded pipe
Welded pipe
Bar
Welded pipe
Cold worked pipe
310CbASME BPVC
ASME BPVC
ASME BPVC
ASME BPVC
ASME BPVC
ASME BPVC
ASME BPVC
ASME BPVC
ASME BPVC
TP310HCb
310HCb
TP310HCb
TP310HCb
S31041
S31041
S31041
S31041
ASTM A-213
ASTM A-240
ASTM A-249
ASTM A-312
Seamless tube
Plate
Welded tube
Smls. & welded pipe
310HCbASME BPVC
ASME BPVC
ASME BPVC
ASME BPVC
TP310HCbNS31042ASTM A-213Seamless tube310HCbNASME BPVC
X1CrNiMoN25-22-2
X1CrNiMoN25-22-2
F310MoLN
TP310MoLN
310MoLN
TP310MoLN
TP310MoLN
1.4466
1.4466
S31050
S31050
S31050
S31050
S31050
EN 10028-7
EN 10216-5
ASTM A-182
ASTM A-213
ASTM A-240
ASTM A-249
ASTM A-312
Plate
Seamless tube
Forging
Seamless tube
Plate
Welded tube
Smls. & welded pipe


310MoLN
310MoLN
310MoLN
310MoLN
310MoLN
EN 13445-2 & EN 13480-2
EN 13445-2 & EN 13480-2
ASME BPVC
ASME BPVC
ASME BPVC
ASME BPVC
ASME BPVC
X1CrNiMoCuNW24-22-6
F58

1.4659
S31266
S31266
S31266

ASTM A-182
ASTM A-240
ASTM A-358

Forging
Plate
Fusion welded pipe

ASME BPVC
ASME BPVC
ASME BPVC
X3CrNiMoBN17-13-21.4910EN 10028-7PlateEN 13445-2 & EN 13480-2
X5NiCrAlTi31-20
X5NiCrAlTi31-20
1.4958
1.4958
EN 10028-7
EN 10216-5
Plate
Seamless tube
EN 13445-2 & EN 13480-2
EN 13445-2 & EN 13480-2
X8NiCrAlTi32-21
X8NiCrAlTi32-21
1.4959
1.4959
EN 10028-7
EN 10216-5
Plate.EN 13445-2 & EN 13480-2
EN 13445-2 & EN 13480-2
S31277S31277ASTM A-240 PlateINCOLOY® alloy 27-7MOASME BPVC


S31655
S31655
S31655
ASTM A-240
ASTM A-249
ASTM A-358
Plate
Welded tube
Fusion welded pipe
ASME BPVC
ASME BPVC
ASME BPVC









S32053
S32053
S32053
S32053
S32053
S32053
S32053
S32053
S32053
S32053
ASTM A-182
ASTM A-240
ASTM A-249
ASTM A-312
ASTM A-358
ASTM A-403
ASTM A-409
ASTM A-479
ASTM A-813
ASTM A-814
Forging
Plate
Welded tube
Smls. & welded pipe
Fusion welded pipe
Fitting
Welded pipe
Bar
Welded pipe
Cold worked weld. pipe
320ASME BPVC
ASME BPVC
ASME BPVC
ASME BPVC
ASME BPVC
ASME BPVC
ASME BPVC
ASME BPVC
ASME BPVC
ASME BPVC
S32654ASTM A-240PlateASME BPVC

N08367

N08367






N08367
N08367
N08367
N08367
N08367
N08367
N08367
N08367
N08367
N08367
N08367
N08367
N08367
N08367
ASTM A-240
ASTM A-312
ASTM B-366
ASTM A-358
ASTM B-462
ASTM A-479
ASTM B-564
ASTM B-675
ASTM B-676
ASTM B-688
ASTM A-813
ASTM A-814
Plate
Smls. & welded pipe
Fitting
Fusion welded pipe
Forging
Bar
Forging
Welded pipe
Welded tube
Plate
Welded pipe
Cold worked weld. pipe
AL-6XN® Alloy
AL6XN® 
ASME BPVC
ASME BPVC
ASME BPVC
ASME BPVC
ASME BPVC
ASME BPVC
ASME BPVC
ASME BPVC
ASME BPVC
ASME BPVC
ASME BPVC
CN7MN08007ASTM A-351CastingASME BPVC
CPE20N
CE20N
J92802
J92802
ASTM A-451
ASTM A-351
Centrif. casting
Casting

ASME BPVC
ASME BPVC
HK30J94203ASTM A-351CastingASME BPVC
HK40J94204ASTM A-351CastingASME BPVC
CK3MCuNJ93254ASTM A-351CastingASME BPVC
CPH8
CH8
J93400
J93400
ASTM A-451
ASTM A-351
Centrif. casting
Casting

ASME BPVC
ASME BPVC
CH10J93401ASTM A-351CastingASME BPVC
CPH20
CPK20
CH20
J93402
J93402
J93402
ASTM A-451
ASTM A-451
ASTM A-351
Centrif. casting
Centrif. casting
Casting


ASME BPVC
ASME BPVC
ASME BPVC
Table: Typical materials

Material Group 71

Material Group 71 ISO/TR 15608: Grey cast irons with specified tensile strength or Brinell hardness

Typical materials in group 71

NameNumberStandardsRemarks
EN-GJL-150EN-JL1020EN 1561
EN-GJL-200 EN-JL1030EN 1561
EN 12516-4
EN 12953: Valve DN ≤200, PS≤13 bar, TS≤220°C
EN-GJL-250EN-JL1040EN 1561
EN 12516-4
EN 12953: Valve DN ≤200, PS≤13 bar, TS≤220°C
EN-GJL-300EN-JL1050EN 1561
EN-GJL-350EN-JL1060EN 1561
EN-GJL-HB155EN-JL2010EN 1561
EN-GJL-HB175EN-JL2020EN 1561
EN-GJL-HB195EN-JL2030EN 1561
EN-GJL-HB215EN-JL2040EN 1561
EN-GJL-HB235EN-JL2050EN 1561
EN-GJL-HB255EN-JL2060EN 1561
Table: Typical materials

Material Group 51.2

Material group 51.2: Pure Titanium with 0,2 < O2 ≤ 0,25 %

These unalloyed titanium grades have an excellent corrosion resistance property, excellent weldability and is used in a wide variety of applications. The corrosion resistance of Titanium is due to a stable, protective, and strongly adherent oxide film layer. This film forms instantly when a fresh surface is exposed to air or moisture. This film growth is accelerated under strong oxidizing conditions. The Titanium oxide film is capable of healing itself instantly in the presence of moisture or oxygen. Because of this, Titanium applications are common in the fabrication of process equipment of chemical industries.

Features of Titanium pure Group 51.2 ISO/TR 15608

Grade 2:
Moderate strength unalloyed Ti with excellent weldability, cold formability, and fabricability; “workhorse” and “garden variety” Ti grade for industrial service with excellent resistance to mildly reducing to highly oxidizing media with or without chlorides. Approved for sour service use under the NACE MR-01-75 Standard.
This grade material is mainly used in chemical industries where the parts are subjected to very harsh environments.

Grade 7:
Most resistant Ti alloy to corrosion in reducing acids and localized attack in hot halide media, with physical/mechanical properties equivalent to Grade 2, and excellent weldability/fabricability.

Grade 16:
Lower cost, leaner Pd version of Grade 7 with equivalent physical/mechanical properties, and similar corrosion resistance.

Grade 26:
Lower cost, Ru-containing alternative for Grade 7 with equivalent physical/mechanical properties and fabricability and similar corrosion resistance.

Welding of Titanium pure Group 51.2 ISO/TR 15608

Commercially pure titanium and most titanium alloys are readily welded by a number of welding processes being used today. The most common method of joining titanium is the gas Tungstenarc (GTAW) process and secondarily is the gas metal-arc (GMAW) process. The techniques for welding titanium resemble those employed with nickel alloys and stainless steels. To achieve sound welds with titanium, primary emphasis is placed on surface cleanliness and the correct use of inert gas shielding.
An essential requirement for successfully arc welding titanium is proper gas shielding. Care must be taken to ensure that inert atmosphere protection is maintained until the weld metal temperature cools below 426°C (800°F).

Typical materials in group 51.2

Name / GradeNumberStandardProductRemarks
Ti 23.7035DIN 17851
2
2
2
WPT 2
F-2
2
2
R50400
R50400
R50400
R50400
R50400
R50400
R50400
ASTM B-265
ASTM B-338
ASTM B-348
ASTM B-363
ASTM B-381
ASTM B-861
ASTM B-862
Plate & Sheet
Smls. & welded tube
Bar
Smls. & welded fitting
Forgings
Smls. pipe
Welded pipe
ASME BPVC
ASME BPVC
ASME BPVC
ASME BPVC
ASME BPVC
ASME BPVC
ASME BPVC
2H
2H
2H
F-2H
2H
2H
R50400
R50400
R50400
R50400
R50400
R50400
ASTM B-265
ASTM B-338
ASTM B-348
ASTM B-381
ASTM B-861
ASTM B-862
Plate
Smls. & welded tube
Bar
Forgings
Smls. pipe
Welded pipe
ASME BPVC
ASME BPVC
ASME BPVC
ASME BPVC
ASME BPVC
ASME BPVC
Ti 73.7235DIN 17851
7
7
7
WPT 7
F-7
7
7
R52400
R52400
R52400
R52400
R52400
R52400
R52400
ASTM B-265
ASTM B-338
ASTM B-348
ASTM B-363
ASTM B-381
ASTM B-861
ASTM B-862
Plate & Sheet
Smls. & welded tube
Bar
Smls. & welded fitting
Forging
Smls. pipe
Welded pipe
ASME BPVC
ASME BPVC
ASME BPVC
ASME BPVC
ASME BPVC
ASME BPVC
ASME BPVC
7H
7H
7H
WPT 7H
F-7H
7H
7H
R52400
R52400
R52400
R52400
R52400
R52400
R52400
ASTM B-265
ASTM B-338
ASTM B-348
ASTM B-363
ASTM B-381
ASTM B-861
ASTM B-862
Plate
Smls. & welded tube
Bar
Smls. & welded fitting
Forging
Smls. pipe
Welded pipe
ASME BPVC
ASME BPVC
ASME BPVC
ASME BPVC
ASME BPVC
ASME BPVC
ASME BPVC
16
16
16
WPT 16
F-16
16
16
R52402
R52402
R52402
R52402
R52402
R52402
R52402
ASTM B-265
ASTM B-338
ASTM B-348
ASTM B-363
ASTM B-381
ASTM B-861
ASTM B-862
Plate
Smls. & welded tube
Bar
Smls. & welded fitting
Forging
Smls. pipe
Welded pipe
ASME BPVC
ASME BPVC
ASME BPVC
ASME BPVC
ASME BPVC
ASME BPVC
ASME BPVC
16H
16H
7H
WPT 16H
F-16H
16H
16H
R52402
R52402
R52402
R52402
R52402
R52402
R52402
ASTM B-265
ASTM B-338
ASTM B-348
ASTM B-363
ASTM B-381
ASTM B-861
ASTM B-862
Plate
Smls. & welded tube
Bar
Smls. & welded fitting
Forging
Smls. pipe
Welded pipe
ASME BPVC
ASME BPVC
ASME BPVC
ASME BPVC
ASME BPVC
ASME BPVC
ASME BPVC
26
26
26
WPT 26
F-26
26
26
R52404
R52404
R52404
R52404
R52404
R52404
R52404
ASTM B-265
ASTM B-338
ASTM B-348
ASTM B-363
ASTM B-381
ASTM B-861
ASTM B-862
Plate
Smls. & welded tube
Bar
Smls. & welded fitting
Forging
Smls. pipe
Welded pipe
ASME BPVC
ASME BPVC
ASME BPVC
ASME BPVC
ASME BPVC
ASME BPVC
ASME BPVC
26H
26H
26H
WPT 26H
F-26H
26H
26H
R52404
R52404
R52404
R52404
R52404
R52404
R52404
ASTM B-265
ASTM B-338
ASTM B-348
ASTM B-363
ASTM B-381
ASTM B-861
ASTM B-862
PPlate
Smls. & welded tube
Bar
Smls. & welded fitting
Forging
Smls. pipe
Welded pipe
ASME BPVC
ASME BPVC
ASME BPVC
ASME BPVC
ASME BPVC
ASME BPVC
ASME BPVC
Table: Typical materials

ISO/TR 15608 groups materials according to their similar properties such as chemical composition, weldability and mechanical properties. However, it can also be used for other applications such as NDE, forming or heat treatments.

Material assigned to a group in ISO/TR 20172 (European Materials), ISO/TR 20173 (American Materials) and ISO/TR 20174 (Japanese Materials) should considered to those groups.

ISO/TR 15608 material groups reduces the number of welding procedure qualifications (WPQR) e.g. ISO 15614-1. One WPQR is required for a single material group, whereby this material group can contain several specific materials (see tables below). For example, A WPQR with a material from subgroup 1.2 includes all materials from the subgroup 1.1

ISO/TR 15608 is included in many codes and standards so that this simplification of welding qualifications can be used there e.g. EN 13445-2, EN 13480-2, AD 2000, PD 5500, EN 1092-2, ISO 9606-1 to 5.

ASME BPVC Section X has a similar group classification (P-number), but cannot be adopted 1:1. The American system similarly classifies materials into groups, however ASME BPVC Sect. IX in QW422 explicitly classifies grades of materials to groups and not on the chemical composition and mechanical properties such as is the case with ISO/TR 15608.

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