Alloy steel pipe/low temperature steel pipe Steel Grade: ASTM A335 P1 P2 P12 P11 P22 P5 P9 P91 P92 S355J0H S355J2H P195、P235、P265、P195GH、P235GH、P265GH、13CrMo4-5、10CrMo9-10 A333Gr6   Standard Steel Grade Chemical Components Machanical Property C Mn Si Cr [...]