1.size:1/2"to 72" 2.material:carbon/stainless/alloy steel 3.ISO9001 4.competitive price and high quality Carbon steel ANSI A234 Elbow ,weld elbow,seamless elbowtype:elbowsize:1/2”-72”wall thickness:SCH5S-SCH80S,SCH10-SCH160,XS,XXS,STDstandard:ASME B16.9,MSS SP-43,DIN2605,JIS B2313,GB12459,A234-WPB,A420-WPL6,A234-WP5,A403-WP304,A403-WP304LMATERIAL:A403-WP316,A403-WP316L,SS304,SS304L,SS316,SS316L, ...