Alloy Steel Seamless Pipes/Tubes: 1.A333GR6,GR3,GR1,18Cr2Mo,15Mo3,TP446-2,TP409,TP410,A335P1,P11,P22,P5, ... P9,P91,T5,T22,T11,WB36. 2. EN10216-2 Carbon Steel Seamless Pipes/ ... 7. JIS G3444,G3445,G3452,G3454,C8305,C3466 Stainless steel welded Pipes/Tubes: 1. ASTM A312, A358, A778 ... G3447 4. ASTM A249, A269 / JIS G3463 Stainless steel seemless Pipes/Tubes: 1. ASTM A312/A312M,ASME SA312 ...