
Hot Rolled Carbon Steel Tube Seamless Steel Tube Stainless Steel Tube. ISO9001 Certified Quality: Passed ISO9001:2008 certification with professional R&D and quality control teams. Long Service Life: Designed for over 50,000 hours of operation with high load capability. Customizable Steel Grades: Available in Q235B, C1020, C1045, S355, S230, and other grades per requirements. Low Maintenance Design: Features dust-proof and water-proof construction with minimal maintenance needs. Wide Size Range: Diameter from 63.5mm to 219.1mm, lengths up to 3500mm available. Custom Surface Treatment: Options include oiled, galvanized, or painted in various colors as requested. Low MOQ and Free Samples: Minimum order quantity of 10 MT with free samples available for testing. SGS Audited Factory: Manufacturing facility audited by SGS ensuring high production standards.