... gas/oil/structure/boiler/fluid.etc. 4.6000 tons/ month CARBON STEEL SMLS PIPES Connection: Weld & Thread Standard: ANSI, ... JIS, DIN, EN, ISO, GB, SH AND HG Material: Carbon, Stainless, Alloy Certificate: API, ISO9001: 2000, Production Capacity: ... or gas transportation pipe5.drill pipe6.petroleam chemical pipe and so onTechnologyHot rolled&Cold drawPackagingBlack painting, plastic caps ...