
Square Round ERW Welded Mild Carbon Welded Steel Pipe Customs Data. Wide Material Range: Offers Carbon Steel, 16MnDG, 20G, J55, K55, N80, L80, and more for various applications. Extensive Size Options: Outer diameter ranges from 8mm to 1240mm with wall thickness up to 200mm. Global Export Experience: Exported to over 50 countries including USA, Russia, UK, Kuwait, Egypt, and Iran since 2003. Third-Party Inspection: Accepts any third-party inspection with BV and SGS certificates available. Quality Assurance: Production process follows ISO 9000 system with competent testing instruments. Free Sample Availability: Small samples are available in stock for free; catalog patterns have ready samples. Customized Production: Customized samples take about 5-7 days; capable of producing various customized products. Flexible MOQ: Minimum order quantity is 1 ton for stock items and 5 tons for new sizes.