1. s355j2h alloy seamless steel pipe 2.grade: P5, P9, P11, P12, P22, P91, P92 3.OD: 6-1200mm, WT: 1-150mm Product Description s355j2h alloy seamless steel pipeP22 alloy steel pipea335 p11 alloy steel pipe din st52 alloy steel pipeASTM A335 P22 high temperature alloy steel tubeStandard: ASTM A335/ASME SA335 Steel grade: P5, P9, P11, P12, P22, P91, P92 Size: OD (6-1200mm) x WT (1-150mm) Application ...