... >310S Stainless steel elbow 2>Seamless&Welded 3>WT:SCH5S-XXS 4>OD:1/2"-80" 5>ASTM,JIS,DIN,EN Material Carbon Steel ... Gr.ST37,ST52,,ST35,ST45,S235JR etc)Stainless Steel(ASTM A403 WP304,201,301,304L,309S,310S,316,316L 317L,321,347,430 ... etc)Alloy Steel(ASTM A234 WP5,WP9,WP11,WP12 ...