... 65mm Standard:GB, ASTM, API , JIS , DIN Grade:ASTM A106 B , A 53B, API 5L B, 10#,20#, 45# , 40Cr Hot Rolled Seamless ... Steel Pipe SCH40 ASTM A106 B DescriptionHot Rolled Seamless Steel PipeSupply Capacity10000 tons/yearProcess MethodHot Rolled ... RANDOM as requiredSteel GradeASTM A106 B , A 53B, API 5L B, 10#,20#, 45# , 40Cr StandardsASTM / ASME, GB, DIN, JIS, T14975, etc. ...