... 180 Degree stainless steel elbow 2>Seamless&Welded Steel 3>OD:1/2"-80" 4>WT:SCH5S-XXS 5>MOQ:1 Piece Material Carbon Steel ... (ASTM A234 Gr.WPB, ASTM A106, ASTM 516 Gr.60, ASTM A285 Gr.ST37,ST52,,ST35,ST45,S235JR etc)Stainless Steel ... ,316L 317L,321,347,430 etc)Alloy Steel(ASTM A234 WP5,WP9,WP11,WP12,WP22, ... 80" Degree Radius 22.5º, 30º, 45º,60º, 90º,180 º or as your demand Application Elbow is ...