Standard: GB3091-2015, GB28897-2012 Grade: Q195 Q235B,Q355B, SS400 Thickness : 2.0mm-5.0mm Section Shape: Circular Place of Origin : Hebei Province Outer Diameter: 21.3mm-219mm Technique: ERW Certification : ISO Application: Drinking water transfer fire-fighting water transfer Surface Treatment: hot dipped galvanized Packaging&Deliver Packaging Details: Bulk Bundle Delivery Detail: bulk or container.
