Size: 1/2"- 48" (SMLS) 26"- 72"(SEAM) Wall thickness: Sch 10- Sch160, xxs Size: 1/2"- 48" (SMLS) 26"- 72"(SEAM)Wall thickness: Sch 10- Sch160, xxs Applicable standard: ANSI B 16.9,ASME , ASTM,,JIS , DIN , EN, Material: Carbon steel, alloy steel, stainless steel Connection: Butt-welding,forged fitting Applications rang: such as oil, chemical industry, water conservancy, electric power, boiler, ...