... , Material: A179, A192, A-1, C, T11, T22,T12,T91, ST35.8, ST37, STB30, STS42or other material which custom require.3 ... , DIN: Din1629(St37.0/ St44.0/ St52.0) Din17175(ST35.8/ST45.8) DIN2391 (ST35/ST45/ST52) DIN17200( 40Cr/34CrMo4/CK45) API: Line Pipe ...