... ASTM A53, BS1387, EN10255, EN10240, EN10220, EN10219, EN393. Section type: round, square, rectangular, oval and other special section type4. Detailed Product DescriptionERW steel ... 219mm WT:0.8mm-8.5mm Length:12m PRODUCTBlack STEEL PIPE/painted/powder coatedTECHNIQUEWELDED/ERWMATERIALQ195,Q215,Q235,Q275, Q345 ... ,Big OD:in bulk2,Samll OD:packed by steel strips3,woven cloth with 7 slats4,as per ...