Detailed Product Description SpecificationOD:219-2620mm Wallthickness:5.0-20mm Length:by customers' needSteel materialQ195/Q215/Q235/Q345StandardsGB/ASTM/API/DIN/API 5IUsageUsed for gas, water pipes and constrcutionEndsPlain ends or as per customer needSurfaceBared/black painted/galvanized/or client optionPackingBundles/losses/or client optioninspectionWith hydraulic testing,eddy current, infrared test1.All the production process are made under the ISO9001-20012.With good finish, high corrsion resistance and pressure-withstanding capacity3.We are a professional steel pipe manufacturer and can offer high quality prodction4.Please don't hesitate to contact me if you need any specification of welded steel pipe5.Tel:15847222342 Fax: 0086-22-28895215