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Explore our precision-engineered ERW pipe solutions designed for structural, mechanical, and industrial use across global markets.
Tianjin Yuantai Derun Pipe Manufacturing Group Co., Ltd., established in March 2002 and stemmed from the Tianjin Yuantai Industrial and Trading Co., Ltd, is located in the biggest pipes-manufacturing base — Daqiuzhuang industrial zone in Jinghai Tianjin which is close to the China National Highway 104 and 205 and is only 40 km far away from the Tianjin Xingang Port. The excellent geographical location supports the convenience to both inland and outland transportation.
Tianjin Yuantai Derun Pipe Manufacturing Group Co., Ltd. includes 10 subsidiaries. It deserves a large united enterprise group with a registered fund of USD 65 million and fixed assets of USD 3.5 billion. Yuantai Derun is a professional manufacturer of hollow sections, ERW steel pipe, galvanized square tube, galvanized steel pipe and spiral pipe in China and is one of "The top 500 manufacturing enterprises" in China, annual output reaches 5 million tons.
Yuantai Derun has 7 production plants including 51 production lines of black ERW pipe, 10 production lines of galvanized pipe, 3 production lines of spiral welding pipe, 1 production line of JCOE LSAW pipe. Total plants area covers 900 acres.
Understanding the manufacturing process and core advantages of Electric Resistance Welded steel pipe.
The HF-ERW process generates precise heat at the weld zone, producing a narrow, clean weld with minimal heat-affected zone (HAZ) — ensuring consistent strength across the entire pipe body.
Advanced roll-forming technology enables ERW pipes to achieve extremely tight OD, wall thickness, and straightness tolerances critical for mechanical and precision-fit applications.
From small-diameter mechanical tubing to large structural hollow sections, ERW pipes cover an exceptionally broad dimensional range to satisfy diverse industrial demands.
Manufactured to ASTM A500/A501, EN10219, EN10210, JIS G3466, AS1163, API 5L, and more — ensuring global market acceptance and regulatory compliance.
Compared to seamless pipe, ERW manufacturing delivers comparable mechanical performance at significantly lower cost, making it the preferred choice for large-volume industrial procurement.
ERW pipes can be supplied as black, pre-galvanized, hot-dip galvanized, painted, or coated — adapting to corrosion protection requirements across different operating environments.
Yuantai Derun's vertically integrated manufacturing ecosystem delivers unmatched range and consistency.
Yuantai Derun has 7 mills including 59 production lines of black ERW pipe, 10 production lines of galvanized pipe and 3 production lines of spiral welding pipe. Square pipe from 10×10×0.5mm to 1000×1000×40mm, rectangular pipe from 10×12×0.5mm to 1000×1100×40mm, circular pipe from ¾″×0.5mm to 80″×40mm, spiral pipe from Ø219 to Ø1420mm can be manufactured. Yuantai Derun can manufacture square and rectangular pipe as per standards of ASTM A500/501, JIS G3466, EN10219, EN10210, AS1163.
| Product Type | Size Range | Wall Thickness | Applicable Standards | Production Lines |
|---|---|---|---|---|
| ERW Square Pipe | 10×10mm ~ 1000×1000mm | 0.5mm ~ 40mm | ASTM A500, EN10219, JIS G3466, AS1163 | 59 Lines |
| ERW Rectangular Pipe | 10×12mm ~ 1000×1100mm | 0.5mm ~ 40mm | ASTM A501, EN10210, JIS G3466 | 59 Lines |
| ERW Circular Pipe | ¾″ ~ 80″ | 0.5mm ~ 40mm | ASTM A53, EN10219, API 5L | 59 Lines |
| Hot-Dip Galvanized Pipe | Custom Range | Per Spec | ASTM A123, EN ISO 1461 | 10 Lines |
| Spiral Welded Pipe | Ø219mm ~ Ø1420mm | Per Spec | API 5L, GB/T 9711 | 3 Lines |
| JCOE LSAW Pipe | Large Diameter | Heavy Wall | API 5L, DNV, ISO 3183 | 1 Line |
ERW steel pipes serve as critical components across a wide spectrum of high-demand industries globally.
ERW hollow sections are the backbone of modern steel-framed buildings, bridges, stadiums, and industrial facilities — providing high strength-to-weight ratios for structural columns, beams, and trusses.
Precision ERW tubing is widely used in hydraulic cylinders, automotive chassis, mechanical shafts, conveyor systems, and industrial machinery components requiring tight tolerances.
API 5L-compliant ERW pipes are deployed in oil and gas gathering lines, distribution networks, and surface pipeline systems where pressure integrity and weld quality are paramount.
ERW steel pipes support fluid transport, heat exchangers, and structural frameworks within thermal, wind, solar, and hydroelectric power generation facilities worldwide.
High-strength ERW tubes are integral to vehicle frames, roll cages, exhaust systems, and suspension components — meeting stringent automotive safety and performance standards.
Galvanized ERW pipes provide corrosion-resistant solutions for irrigation systems, greenhouse structures, and agricultural equipment frameworks exposed to outdoor environments.
Structural ERW square and rectangular tubes form the basis of racking systems, mezzanine floors, loading docks, and material handling infrastructure in modern logistics hubs.
Fabricators and OEMs across sectors rely on ERW pipes for custom-welded assemblies, equipment frames, guard rails, handrails, and safety barriers in industrial plants.
The ERW pipe industry is undergoing rapid transformation driven by infrastructure investment, sustainability demands, and advanced manufacturing technologies.
Increasing pressure from global carbon neutrality commitments is pushing ERW pipe manufacturers to adopt electric arc furnace (EAF) steelmaking, renewable energy integration, and green hydrogen-based reduction processes to reduce Scope 1 and 2 emissions across the steel value chain.
Leading ERW pipe producers are deploying AI-driven quality inspection systems, real-time weld monitoring sensors, and digital twin simulation platforms to achieve zero-defect production and predictive maintenance — dramatically improving yield rates and delivery reliability.
Government-backed infrastructure programs across Asia, the Middle East, Africa, and Latin America — including smart city development, high-speed rail, data center construction, and renewable energy installations — are generating unprecedented demand for structural and mechanical ERW pipes.
Next-generation surface treatment technologies — including Zinc-Aluminum-Magnesium (ZAM) coatings, epoxy-lined pipes, and nano-ceramic coatings — are extending the service life of ERW pipes in aggressive marine, chemical, and outdoor environments by 3–5× compared to conventional galvanizing.
Growing demand for lightweight yet high-strength structures is accelerating the adoption of advanced high-strength steel (AHSS) and ultra-high-strength steel (UHSS) grades in ERW pipe production — enabling thinner walls without compromising load-bearing performance in mechanical and structural applications.
Post-pandemic supply chain disruptions have prompted global buyers to diversify sourcing strategies, increasing demand for large-scale, vertically integrated ERW pipe manufacturers like Yuantai Derun who offer one-stop supply, in-house logistics, and proximity to major shipping hubs.
How ERW steel tubing meets the exacting demands of modern mechanical engineering and OEM manufacturing.
In mechanical engineering, dimensional consistency is non-negotiable. ERW pipes produced on modern cold-forming lines achieve outer diameter tolerances within ±0.1mm and wall thickness uniformity within ±5% — performance levels that rival seamless tube at a fraction of the cost. This precision makes ERW tubing the preferred material for hydraulic cylinder barrels, pneumatic actuator housings, and precision-bore mechanical components where fit, friction, and fatigue resistance are critical.
In the automotive sector, advanced ERW tubes are used in crash management systems, door intrusion beams, seat frame rails, and driveshaft tubes. The ability to produce complex section shapes — round, square, rectangular, and custom profiles — through ERW forming gives design engineers tremendous flexibility to optimize strength-to-weight ratios for next-generation electric vehicles (EVs) and lightweight vehicle architectures.
In industrial machinery, ERW structural tubes serve as main frames, cross-members, and support columns for CNC machining centers, robotic welding cells, material handling equipment, and heavy-duty press frames. The consistent mechanical properties of ERW pipe — yield strength, tensile strength, impact toughness — ensure predictable performance under cyclic loading and vibration, which is essential for machinery reliability and operator safety.
The integration of in-line ultrasonic testing (UT), eddy current inspection, and laser-based dimensional measurement systems in modern ERW mills — as deployed at Yuantai Derun — ensures that every pipe leaving the production line meets the stringent quality requirements of mechanical and industrial end-users, backed by full material traceability and third-party inspection certification.
Complete Product Range
Discover our full portfolio of steel pipe products engineered for every industrial and mechanical requirement.
With over 20 years of manufacturing excellence, 59 ERW production lines, and 5 million tons of annual output, Yuantai Derun is your trusted partner for industrial and mechanical ERW pipe solutions — from standard profiles to custom specifications, delivered globally.
Explore ERW Steel Pipe Solutions