... 8mm-12mm 3)Length: 3-12m 4)Standard: ASTM, BS, EN, JIS, DIN, API, AS 5)Certificate:CE, ... and other special section type4. Detailed Product DescriptionERW steel pipeGRADE:Q195,Q215,Q235,Q275,Q345 OD:21.3mm ... WT:0.8mm-8.5mm Length:12m PRODUCTBlack STEEL PIPE/painted/powder coatedTECHNIQUEWELDED/ERWMATERIALQ195,Q215,Q235,Q275, ... Big OD:in bulk2,Samll OD:packed by steel strips3,woven cloth with 7 slats4,as per ...