... -12mm 3)Length: 3-12m 4)Standard: ASTM, BS, EN, JIS, DIN, API, AS 5)Certificate:CE, UL, FM, ISO 1 ... .8mm-8.5mmMax Length:12mSTANDARDASTM,BS1387-1985,GB/T3091-200, JIS, DIN, EN, AS1074, EN39, A500 etc.APPLICATIONIrrigation, construction, transportation, gas ... slats4,as per to clients Hot-rolled seamless A53 GR. B steel pipe