... )Length: 3-12m 4)Standard: ASTM, BS, EN, JIS, DIN, API, AS 5)Certificate:CE, UL, FM, ISO 1. Brief Introduction ... used in the following fields, steel structure, build structure, transportation of low pressure liquid and gas etc. Our products are exported ... -219mm WT:0.8mm-8.5mm Length:12m PRODUCTBlack STEEL PIPE/painted/powder coatedTECHNIQUEWELDED/ERWMATERIALQ195,Q215,Q235,Q275, Q345 SIZEOUTER DIAMETER ...