60mm 73mm 3m Length HDD Drill Pipe for Trenchless Horizontal Directional Drilling

60mm 73mm 3m Length HDD Drill Pipe for Trenchless Horizontal Directional Drilling. Premium Raw Materials: Uses Baogang Steel alloy structure steels including R780, E75, X95, G105, and S135 grades. Advanced Heat Treatment: Features upsetted ends, overall heat treatment, and friction welding for high strength and toughness. Rust Prevention Coating: Each pipe is treated with paint or anti-corrosive oil, with nitrided thread surfaces for durability. 24/7 Technical Support: Engineers are available online 24 hours a day to assist with any technical questions or problems. Flexible MOQ: Minimum order quantity is only 10 pieces, and small orders are also accepted. Fast Delivery Time: 10-20 days for in-stock items; 20-30 days for non-stock items, depending on quantity.