Alloy Steel Seamless Pipes/Tubes: 1.A333GR6,GR3,GR1,18Cr2Mo,15Mo3,TP446- ... ,P91,T5,T22,T11,WB36. 2. EN10216-2 Carbon Steel Seamless Pipes/Tubes: 1.API 5CT 2.API 5L 3.ASTM ... 39 7. JIS G3444,G3445,G3452,G3454,C8305,C3466 Stainless steel welded Pipes/Tubes: 1. ASTM A312, A358, A778 / ANSI ... / JIS G3447 4. ASTM A249, A269 / JIS G3463 Stainless steel seemless Pipes/Tubes: 1. ASTM A312/A312M,ASME SA312/SA312M ...