... :Carbon steel, alloy steel, stainless stee Carbon Steel Pipe tees 1)Size:1/2"- 72" 2)Wall thickness:Sch 10- Sch xxs 3)Material:Carbon steel, alloy steel, stainless stee Carbon Steel ... 16.9,ASME , ASTM,,JIS , DIN , EN,MaterialCarbon steel, alloy steel, stainless steelConnectionButt-welding,forged fittingApplications rangsuch as oil, chemical industry, water conservancy ...