... A234 WPB,A105 Carbon Steel Pipe Tee / Seamless Buttweld pipe fitting Materialcarbon steel, stainless steel, alloy steelTechniquewelded, bending,forged,exturdConnectionweldingHead ... ,pipe, flanges,socket steel fittings,nippleWTSch5-SchXXS ,such as SCH20, SCH40, STD, SCH80, SC100, SCH120, and SCH160StandardANSI,ASME,API5L,DIN ... Skype:hbxsd_selina Carbon Steel Pipe Tee Seamless Buttweld pipe fitting