1>180 Degree stainless steel elbow 2>Seamless&Welded Steel 3>OD:1/ ... ,WP9,WP11,WP12,WP22,WP91,EP92, 10CrMo910,12CrMo195,13CrMo44 etc) Standard ASME/ANSI B16.9,B16.11,B16.28, B16.5 ... ,HGJ529 Dimension Thickness: SCH5S-XXS Out Diameter:1/2"-80" Degree Radius 22.5º, 30º, 45º,60º, 90º,180 º or as ...