... -XXS Certificate:API,ISO9001,PED Product Introduction1.Material:Carbon steel(seam or seamless),stainless steel,alloy steel2.Size:1/2'' TO 72''3 ... steel, alloy steelTechniquewelded, bending,forged,exturdConnectionweldingHead codebevel the endSize1/2'' to 72''/DN15-DN2000Angleselbows,bend,tee,cross,reducers,cap,pipe, flanges,socket steel fittings ...