KS D3564 Carbon Steel Pipes for High Pressure Service (SPPH 370/SPPH 410/SPPH 480) Standard: Korean Standards Material: KS D 3564 OD: (mm) 21.3-660 WT: (mm) 2-50 Length: 5-5.8mtr, R/l, Fixed as per your request Surface: Oiled, painted, anti-corrosion