... (seam or seamless),stainless steel,alloy steel2.Size:1/2'' TO 72''3.Thickness:Sch10--XXS4.Standard:ASME,ASTM ... steel, alloy steelTechniquewelded, bending,forged,exturdConnectionweldingHead codebevel the endSize1/2'' to 72''/DN15-DN2000Angleselbows,bend,tee,cross,reducers,cap,pipe ... ,BS,GBwe can also produce according to drawingSpecification standardsANSI B16.9, ANSI B16.28, JIS B2311, DIN 2605, 2615, ...