... ERW Mild Steel Pipes 1. Outer Diameter:21.3 - 610 mm 2.Thickness:1.8 - 22 mm 3.Length:1-24m Product nameCHS ERW ... Mild Steel Pipes Out Diameter21.3mm-610mm, 1/2”-24 ... class, prime, newly produced, secondary , stock etc.Material/Steel gradeA, B, X42, X46, X52, X56, X60, ... Test, Ultrasonic Test)PackingSmall sizes packed by steel strips into bundles, big sizes in loose ...