... ,JIS-G3444,GB/T3091-2001,etc. CommodityERW steel pipe Specification21.3-457.2mm, 1.8-14 ... LengthAs per client requirement UsagePetrol,gas,water pipe,construction,chimney pot Processing techniqueThreading,coupling,necking, ... BesidesWe also can oil and paint the steel pipe We can do special oeders as your ... request provide other steel pipe: cold rolled,hot rolled,hot dipped,ERW pipe,etc. We sincerely ...