1)OD: 1/2''-12'' 2)WT: 0.8mm-12mm 3)Length: 3-12m 4)Standard: ASTM, BS, EN, JIS, DIN, API, AS 5 ... .3mm-219mm WT:0.8mm-8.5mm Length:12m PRODUCTBlack STEEL PIPE/painted/powder coatedTECHNIQUEWELDED/ERWMATERIALQ195,Q215,Q235,Q275, Q345 SIZEOUTER DIAMETER ... -30 DAYSPACKING1,Big OD:in bulk2,Samll OD:packed by steel strips3,woven cloth with 7 slats4,as per to clients ...