galvanized pipe standards ASTM, API, DIN, EN, BS, JIS, UL for structure, fluid, conduit, sprinkler system,fence tubing galvanized pipe, including ... , API5CT, UL6, UL797, EN10219, EN10255, EN10240, EN39(BS1139), DIN2440/DIN2444, JIS G3444, BS1387, DIN2394, DIN2395, or similar standards. According to buyer ... conduit, furniture tube and so onCERTIFICATE: ISO9001, UL, FM, CE,JIS,API galvanized pipe