Product: Alloy Steel Pipe (seamless & welded)
STANDARD: ASTM A213 TP304, TP304L, TP316, TP316L, T11, T12, T22
                        ASTM A249, ASTM A269
                        ASTM A-335 P5, P9, P11, P12, P22
                        SIZE: SEAMLESS:OD 0.5inch~24inch , wall thickness SCH10S~SCHXXS  
                                   WELDED: OD 8 inch~28inch, wall thickness SCH10~SCH40
Application: For manufacturing boiler, Heat exchanger, condenser, etc.