China Suppliers Factory for High-Strength Spiral Welded Precision Pipes – Customizable Sizes & Coatings
Premium Spiral Welded Precision Pipe – Engineered for Strength, Sustainability, and Global Infrastructure
As a cornerstone of modern construction, energy transmission, and industrial infrastructure, Spiral Welded Precision Pipe (SSAW) from Tianjin Yuantai Derun Steel Pipe Group (YUANTAI DERUN) delivers unmatched structural integrity, dimensional precision, and environmental responsibility. With over two decades of expertise and a global footprint, YUANTAI DERUN stands as a trusted leader in high-performance steel pipe solutions—certified, scalable, and engineered to exceed international standards.
Unrivaled Quality & Manufacturing Excellence
YUANTAI DERUN's Spiral Welded Precision Pipes are produced using state-of-the-art Submerged Arc Welding (SSAW) technology on dedicated production lines capable of fabricating pipes with diameters ranging from Ø219mm to Ø2032mm and wall thicknesses up to 80mm. Sourced exclusively from premium-grade steel coils supplied by China's top mills—including HBIS, Baosteel, and TPCO—our SSAW pipes guarantee consistent metallurgical properties and long-term durability.
Each pipe undergoes a rigorous multi-stage quality control process, including:
- 100% automated ultrasonic testing (UT) for weld seam integrity
- Hydrostatic pressure testing at 1.5x design pressure
- Dimensional accuracy verification (±1.0mm tolerance on diameter)
- Surface inspection for defects or irregularities
Certified under ISO 9001, ISO 14001, OHSAS 18001, and compliant with API 5L, ASTM A53/A139, EN 10217-5, and DNV/ABS marine standards, our Spiral Welded Precision Pipes meet the stringent demands of oil & gas, water transmission, piling, and offshore applications worldwide.
Key Features & Benefits
Technical Specifications Overview
Parameter |
Range / Option |
| Outer Diameter | Ø219 mm – Ø2032 mm |
| Wall Thickness | 5 mm – 80 mm |
| Standard Length | 6 m, 9 m, 12 m (custom up to 18 m) |
| Steel Grades | Q235B, Q355B, SS400, S355JR, X42, X52, X60, X70 |
| Surface Finish | Bare, Black Paint, Galvanized, FBE, 3LPE |
| Welding Standard | Submerged Arc Welding (SSAW) |
| Testing | UT, RT, Hydrostatic, DWT, CVN, Hardness |
Why Choose YUANTAI DERUN?
Founded in 2002 and headquartered in Tianjin Daqiuzhuang—the largest steel pipe industrial zone in China—YUANTAI DERUN operates 18 subsidiaries, 700M RMB registered capital, and 2,200+ skilled professionals across 1,600 acres of integrated facilities. Ranked among China's Top 500 Private Enterprises, we combine scale with innovation, holding 100+ patents and offering end-to-end services from engineering consultation to global logistics.
Our Spiral Welded Precision Pipes aren't just products—they're commitments to resilience, sustainability, and partnership in global development.
Contact us today to request samples, technical drawings, or a customized quote for your next infrastructure milestone.
