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ISO/TR 15608 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