1>30 degree stainless steel elbow 2>Material:201,301,304,304L,309S,310S,316 ... WT:SCH5S-XXS 4>OD:1/2"-80" 30 Degree Stainless Steel Elbow Material Carbon Steel(ASTM A234 Gr.WPB, ASTM A106, ASTM 516 ... , ASTM A285 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,WP22,WP91,EP92, ...