... pipe 2.grade: P5, P9, P11, P12, P22, P91, P92 3.OD: 6-1200mm, WT: 1 ... -150mm Product DescriptionP22 alloy steel pipea335 p11 alloy 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 ... Alloy-Steel Boiler,Superheater and Heat-Exchanger Tubes a335 p11 alloy pipe