Production Standard:ASME SA249, ASME SA6,ASME SA789 Welded pipe OD:10-76mm WT:0.5-4.0mm Heat Exchanger PipeMain grades:TP304,TP304H,TP316L,TP316Ti,TP316LN,TP317L,TP321,TP321H,TP347,TP347H, TP310S,S32750,S32760,904L,S31803(S32205),N06600,N08825,N04405...Production Standard:ASME SA249ASME SA688ASME SA789 size:Products:Welded pipeOutside Diameter:10-76mmWall Thickness:0.5-4.0mm Heat Exchanger Pipe