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ISO/TR 15608 Material Group 51.3

Material Group 51.3 ISO/TR 15608: Pure titanium with 0,25 < O2 ≤ 0,35 %

Features of Titanium pure Group 51.3 ISO/TR 15608

Grade 3:
Moderate strength unalloyed Ti with excellent weldability, cold formability, and fabricability. Slightly stronger version of Gr. 2 Ti with similar corrosion resistance with good weldability and reasonable cold formability/ductility.
This grade material is mainly used in chemical industries and power plant cooling system components where the parts are subjected to very harsh environments.

Welding of Titanium pure Group 51.3 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).

Name / GradeNumberStandardProductRemarks
Ti 33.7055DIN 17851
3
3
WPT 3
F-3
3
R50550
R50550
R50550
R50550
R50550
ASTM B-265
ASTM B-338
ASTM B-363
ASTM B-381
ASTM B-862
Plate & sheet
Smls. & welded tube
Fitting
Forgings
Welded pipe
ASME BPVC
ASME BPVC
ASME BPVC
ASME BPVC
ASME BPVC
Table: Typical materials