
Hot Sale ASTM A53 S235jr Q235 Hot-Dipped Galvanized Round Pipe for Construction. Wide Customization Range: OD 1/2-10 inch, Thickness 1.6-25mm, Length customized per request. Multiple Steel Grades: Available in Q235, Q345, S235JR, S275JR, S355JR, and more. Certified Quality Assurance: Verified by CE, ISO, and SGS with strict ISO quality control process. Professional Manufacturer: 15+ years experience with professional sales and quality control teams. Flexible Payment Terms: Supports TT, 100% LC at Sight, and other multiple payment methods. 24-Hour Online Service: Efficient pre-sale and after-sale support available around the clock. Quality Refund Guarantee: Support 100% refund if any quality problem cannot be solved. Versatile Applications: Suitable for construction, machinery, fluid transport, and drilling.