Size: 1/2"- 72" Wall thickness: Sch 10- Sch xxs Applicable standard: ANSI B 16.9,ASME , ASTM,,JIS , DIN Material: Carbon steel, alloy steel, stainless steel Connection: Butt-welding,forged fitting Applications rang: such as oil, chemical industry, water conservancy, electric power, boiler, machinery, metallurgy, sanitary construction etc. Quality: ISO9001 : ISO2000-Quality-Systerm has been passed ...