... Size: 1/2"--48" WT:SCH10-XXS Qualification:API Material:alloy steel API 90 degree long radius alloy steel elbow/pipe fittingProduction ... ,JIS,DIN,BS,GB,SH,HG,QOST,ETC.CertificationISO9001:2000,API,BV,SGS,LOIYDApplications range:Petroleum,Chemical,Power,Gas,Metallurgy,Shipbuilding ...