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Cheapest Steel Tubing Guide: ERW vs Seamless Price Comparison 2026 | Sino East

Key Takeaway: ERW (Electric Resistance Welded) carbon steel round tubing is typically the cheapest steel tubing option, costing 20-40% less than seamless pipe. For structural applications, galvanized round tube offers the best balance of affordability and corrosion resistance. Factory-direct sourcing from Chinese manufacturers like Sino East Steel can further reduce costs by 15-25%. 1. ERW […]