... 1>316L Stainless steel elbow 2>WT:SCH5S-XXS 3>OD:1/2"-80" 4>Seamless&Welded 5>Any Degree Radius Material Carbon Steel ... (ASTM A234 Gr.WPB, ASTM A106, ASTM 516 Gr.60, 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 ... ,please don't be hesitate to contact with us any time!