... Standard: JIS, DIN, ANSI, BS Material: carbon steel, stainless steel, alloy steel ISO9001 Typecarbon steel pipe fittingsSize1/2"- 80"Wall thicknessSch 10- ... standardASME , ASTM, MSS ,JIS , DIN , EN,MaterialCarbon steel :carbon steelConnectionButt-weldingApplications rangsuch as oil, chemical industry, water conservancy, electric ... is "good quality at most competitive price" carbon steel pipe fitting