ASTM A672 Gr C70 Cl 22
ASTM A672 Gr C70 Cl 22
(OP)
Hi,
Can somebody please tell me the chemical composition for ASTM A672 Gr C70 Cl 22? I cannot find it in any of the specs. Is it similar to ASTM A106 Gr C?
Thanks a lot for your help.
Mad Dog
Can somebody please tell me the chemical composition for ASTM A672 Gr C70 Cl 22? I cannot find it in any of the specs. Is it similar to ASTM A106 Gr C?
Thanks a lot for your help.
Mad Dog





RE: ASTM A672 Gr C70 Cl 22
The Grade C70 refers to ASTM A 516 Grade 70 plate for fabricating the welded steel pipe. This is plain carbon steel plate, killed, fine grained.
The Class 22 refers to stress relieved pipe after welding.
RE: ASTM A672 Gr C70 Cl 22
.28 % C max for plate (1/2" to 2" in thickness)
.85-1.20% Mn
0.035% Max P
0.035% Max S
0.15-0.40% Si