1)O.D: 1/2''-12'' 2)WT: 0.8mm-12mm 3)Length: 3-12m 4)Standard: ASTM, BS, EN, JIS, DIN, API, ... recognition from many customers since our good quality and service. 2. Production standard: ASTM A53, BS1387, EN10255, EN10240, ... ,Q345 OD:21.3mm-219mm WT:0.8mm-8.5mm Length:12m PRODUCTHOT DIP GALVANIZED STEEL PIPE/ ... bulk2,Samll OD:packed by steel strips3,woven cloth with 7 slats4,as per to clients 5. Product ...