galvanized steel pipe 1. Size: OD 10-273mm, WT 0.5-15mm 2. High quality, competitive price, prompt shipment galvanized steel pipe SizeOD: 10-273mmWT: 0.5-15mmLength: 3-12mMaterialQ195, Q215, Q235, A53 (A,B)TechniqueERW (electric resistance welding) Application transportation of oil, gas, air, water and hot water for getting warm or steam or other uses.StandardBS 1387, ASTM A53-2007Surface ...