... GL,CCS,SBG,DNV,BV,N etc 3.Material:carbon steel,SS,alloy steel 4.MOQ:10pcs elbow ... Sch160XXSStandardANSI,ASME GB, SH,HG, MSS,JIS,DIN, APIMaterial1) Carbon Steel: ASTM A234WPB, WPC; ASTM A420 WPL9,WPL3,WPL6A ... per customers requirement.Applications rangepetroleum, smelting, foodstuff, power, papermaking, chemical, medical equipment, aviation, boiler heat, exchanger, gas metallurgy, shipbuilding ...