... 1/2"--48" 2.Material:Carbon Steel,alloy steel,A234 WPB,WPC,WP11 3.standard:ASME ... ST/GOST 4.Got the ISO 9001 A106 steel ERW pipe fitting1.material:a234 wpb,a105, ... BW, SW & Threaded : seamless/erw in carbon, alloy, stainless steel,duplex,as per ASTM, ANSI, JIS, DIN and ... .WH:sch 10---SCH160, XXS3.material;carbon steel, stainless steel, alloy steel4.the price :competitive lower than other ...