Pipes And Fittings 1.Material:TP304/304L,316etc 2.O.D: ... Standard:ASTM A335,A234,A213,A403,A53,A106,API,Quality Control:1 Materials into the factory inspection before:A ... light spectrum checkColour:Black,yellow,Red,Blue,Green,Silvery and no colour and as Customers’ inquriymentMarking: Materal+Size+W.T+StardardPackaging ... PalletDelivery Detail:As Customers’ inquiryment All Kinds Of Pipes And Fittings