... "- 72"(SEAM) Wall thickness: Sch 10- Sch160, xxs Size: 1/2"- 48" (SMLS) 26"- 72"(SEAM)Wall thickness: Sch 10- Sch160 ... 16.9,ASME , ASTM,,JIS , DIN , EN, Material: Carbon steel, alloy steel, stainless steel Connection: Butt-welding,forged fitting Applications rang: such as ... tons per year Othersspecial design available according to requirement Fittings pipe and hot dipped galvanized steel pipe