... THICKNESS: SCH-5S to SCH-XXS 3.STANDARD: ASME,ANSI, JIS, DIN,GB ,EN 1.Size:From 1/2" to 48 ... pipe fittings)2.Wall thickness: Sch5-Sch160,XXS3.Standard: ANSI, JIS, DIN, GB/T12459,GB/T13401,ASME B16.9.SH3408 SH3409 ... blasted,transparent oil, rust-proof black oil or hot galvanized 6.Applications range: Petroleum, chemical, power, gas, metallurgy, shipbuilding.construction, etc7 ...