1size:1/2"--48" 2.Material:Carbon Steel,alloy steel,A234 WPB,WPC,WP11 3.standard:ASME/JIS/DIN/ ... Reducer, Tees, Caps,Flanges. BW, SW & Threaded : seamless/erw in carbon, alloy, stainless steel,duplex,as per ASTM, ANSI, JIS, DIN and ... standards. 2.WH:sch 10---SCH160, XXS3.material;carbon steel, stainless steel, alloy steel4.the price :competitive lower than other manufacturersower5.sdandard ...