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Explore our top-selected welded steel pipe solutions engineered for manufacturing and fabrication excellence.
Understanding the technology behind one of the world's most widely used industrial pipe solutions.
ERW pipe is manufactured by rolling a flat steel strip into a cylindrical shape and then welding the seam using high-frequency electric resistance. This process produces a consistently uniform wall thickness, tight dimensional tolerances, and excellent mechanical properties — making it the preferred choice for structural, mechanical, and fluid-transport applications across global industries.
ERW pipes offer tight tolerances on outer diameter, wall thickness, and straightness — critical for automated fabrication lines and precision assembly operations.
High-frequency welding creates a metallurgically sound bond, delivering tensile and yield strengths that meet or exceed ASTM, EN, API, and JIS international standards.
The uniform microstructure of ERW pipe enables easy cutting, threading, bending, and re-welding — reducing fabrication time and cost significantly on the shop floor.
Compared to seamless pipe, ERW production is more economical at scale, offering manufacturers and fabricators a high-quality product at competitive pricing without sacrificing performance.
Yuantai Derun ERW pipes comply with ASTM A500/A501, EN10219, EN10210, JIS G3466, AS1163, and API 5L — ensuring seamless integration into international project specifications.
Modern ERW manufacturing processes minimize material waste and energy consumption, aligning with global sustainability goals and green building certification requirements.
Backed by decades of manufacturing excellence and world-class production infrastructure.
Welded ERW pipe is the backbone of modern industrial fabrication — here's how it drives value across critical sectors.
ERW square and rectangular hollow sections (SHS/RHS) are the go-to choice for steel frame fabrication in commercial buildings, warehouses, and industrial facilities. Their consistent wall thickness and square corners simplify connection detailing and reduce welding labor on-site, cutting overall project costs by up to 20% compared to hot-rolled alternatives.
API 5L-grade ERW pipes are extensively used in oil & gas gathering lines, water distribution networks, and industrial fluid transfer systems. The smooth internal bore minimizes pressure drop and turbulence, while the robust weld seam withstands cyclic pressure loads in demanding pipeline environments.
Precision ERW tubes are critical components in automotive chassis, roll cages, exhaust systems, and hydraulic line assemblies. The tight dimensional tolerances enable automated robotic welding in high-volume production environments, improving cycle times and reducing scrap rates in Tier-1 automotive supply chains.
From conveyor frames and crane booms to agricultural machinery and mining equipment, ERW pipes provide the structural backbone for heavy industrial fabrications. Their machinability supports precision drilling, tapping, and CNC profiling operations essential in modern equipment manufacturing workflows.
Galvanized ERW pipes are widely deployed in solar panel mounting structures, wind turbine support towers, and electrical conduit systems. The zinc coating provides long-term corrosion resistance in outdoor environments, extending service life to 25+ years with minimal maintenance requirements.
Large-diameter spiral welded ERW pipes are essential in bridge piling, culvert systems, and underground utility networks. Their ability to be manufactured in custom lengths and diameters (up to Ø1420mm) makes them indispensable for large-scale civil engineering and public infrastructure development projects.
The global ERW steel pipe market is evolving rapidly — here are the key forces shaping its future.
The global transition to renewable energy is creating unprecedented demand for structural ERW pipes in solar farm mounting systems, offshore wind foundations, and hydrogen pipeline infrastructure. Industry analysts project the energy sector's share of ERW pipe consumption to grow by over 35% through 2030.
Next-generation coating technologies — including ZAM (zinc-aluminum-magnesium alloy), hot-dip galvanizing, and epoxy-polymer composites — are significantly extending the service life of ERW pipes in harsh environments, opening new markets in coastal, chemical, and underground applications.
Leading ERW pipe manufacturers are integrating AI-driven quality control systems, real-time weld monitoring, and automated dimensional inspection technologies into production lines — achieving defect rates below 0.1% and enabling just-in-time delivery for global fabrication projects.
Massive government-backed infrastructure programs across Southeast Asia, Africa, and the Middle East are driving record demand for structural and mechanical ERW pipes. Projects spanning highways, railways, ports, and urban housing developments represent multi-billion-dollar procurement opportunities for qualified pipe suppliers.
Steel producers and fabricators are increasingly prioritizing low-carbon ERW pipe produced via electric arc furnace (EAF) routes using recycled scrap. Green procurement policies from major construction firms and government agencies are accelerating this shift toward sustainable steel supply chains.
Market demand is shifting toward pre-cut, pre-drilled, and pre-coated ERW pipe assemblies that reduce on-site fabrication time. Manufacturers offering CNC cutting, laser profiling, and custom end-finishing services are capturing premium margins in the automotive, modular construction, and process equipment sectors.
Yuantai Derun's ERW pipe range covers virtually every dimensional requirement for modern manufacturing and fabrication projects.
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 ~ 1000×1000×40mm, rectangular pipe from 10×12×0.5mm ~ 1000×1100×40mm, circular pipe from ¾"×0.5mm ~ 80"×40mm, spiral pipe from Ø219 ~ Ø1420mm, can be manufactured. Yuantai Derun can manufacture square rectangular pipe as per standards of ASTM A500/501, JIS G3466, EN10219, EN10210, AS1163.
| Pipe Type | Size Range | Wall Thickness | Standards |
|---|---|---|---|
| Square Hollow Section (SHS) | 10×10mm ~ 1000×1000mm | 0.5mm ~ 40mm | ASTM A500, EN10219, JIS G3466, AS1163 |
| Rectangular Hollow Section (RHS) | 10×12mm ~ 1000×1100mm | 0.5mm ~ 40mm | ASTM A501, EN10210, JIS G3466, AS1163 |
| Circular ERW Pipe (CHS) | ¾" ~ 80" OD | 0.5mm ~ 40mm | ASTM A53, EN10217, API 5L |
| Spiral Welded Pipe | Ø219mm ~ Ø1420mm | Custom per project | API 5L, GB/T 9711, EN10217-1 |
| Galvanized ERW Pipe | Full range (HDG & Pre-galvanized) | Custom per project | ASTM A123, EN ISO 1461, BS EN 10240 |
| JCOE LSAW Pipe | Large diameter custom | Custom per project | API 5L, ASTM A671/A672 |
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.
From galvanized structural pipes to large-diameter spiral welded solutions — discover the full range engineered for your manufacturing and fabrication projects.
Partner with Tianjin Yuantai Derun — China's leading ERW pipe manufacturer — for reliable quality, competitive pricing, and on-time global delivery for your manufacturing and fabrication requirements.
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