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Explore our top-selling rectangular steel pipe solutions designed for structural construction, framing, and industrial applications.
A globally trusted hollow section for structural construction, industrial framing, and architectural engineering.
Rectangular steel pipe — also referred to as Rectangular Hollow Section (RHS) — is a form of metal with a hollow tubular cross-section shaped in a rectangle. Manufactured primarily through the Electric Resistance Welding (ERW) process, these sections are produced from high-quality hot-rolled or cold-formed steel strips, then welded, sized, and straightened to precise dimensional tolerances.
Due to their superior strength-to-weight ratio, uniform cross-sectional properties, and excellent resistance to torsional and bending forces, rectangular steel pipes have become the structural element of choice across a vast range of construction and industrial applications — from high-rise building frames and industrial warehouses to bridges, machinery bases, and modular construction systems.
The global hollow structural sections (HSS) market — dominated by rectangular and square steel pipes — was valued at over USD 180 billion in 2023 and is projected to grow at a CAGR of approximately 5.2% through 2030. This growth is primarily driven by surging infrastructure investment across Asia-Pacific, the Middle East, Africa, and Latin America, alongside a global renaissance in industrial and commercial construction.
China remains the world's largest producer and exporter of rectangular steel pipe, accounting for more than 55% of global output. Manufacturers in Tianjin's Daqiuzhuang industrial zone — recognized as China's foremost steel pipe manufacturing hub — lead international supply chains, delivering certified, high-volume product to over 100 countries.
The shift toward prefabricated and modular construction, combined with tightening green-building standards, is accelerating adoption of precision-manufactured rectangular hollow sections that minimize material waste while maximizing structural performance.
One of China's top 500 manufacturing enterprises, powering global structural steel supply.
Six engineering and commercial advantages that make rectangular hollow sections the preferred structural material worldwide.
Rectangular hollow sections deliver exceptional bending, axial, and torsional load capacity. Their closed-form geometry distributes stress uniformly, enabling longer spans with reduced material mass compared to open sections like I-beams or channels.
Available from 10×12×0.5mm to 1000×1100×40mm, rectangular steel pipes accommodate virtually every structural design requirement — from lightweight curtain-wall frames to heavy-duty industrial racking and bridge substructures.
Hot-dip galvanized coatings (HDG), ZAM® zinc-aluminium-magnesium coatings, and epoxy or polyurethane paint systems extend service life dramatically — making rectangular steel pipe suitable for coastal, industrial, and high-humidity environments.
Steel is the world's most recycled material. Rectangular steel pipe manufactured via the ERW process has a significantly lower carbon footprint than cast or forged alternatives, aligning with global green-building certification frameworks such as LEED and BREEAM.
Flat external surfaces simplify welding, bolting, and connection detailing. Rectangular sections integrate seamlessly with CNC cutting, laser profiling, and robotic welding systems — reducing fabrication time and labor costs on large-scale projects.
Yuantai Derun's rectangular steel pipe is manufactured to ASTM A500/A501, EN10219, EN10210, JIS G3466, and AS1163 — enabling direct supply to construction projects across North America, Europe, Asia-Pacific, and the Middle East without re-certification delays.
From mega-infrastructure to precision-engineered modular systems — discover where rectangular hollow sections deliver maximum value.
Rectangular steel pipes serve as primary columns, secondary beams, and bracing elements in multi-story and high-rise steel-framed buildings. Their high moment of inertia relative to weight reduces foundation loads while accelerating erection speed — a critical advantage in urban construction where project timelines are tightly constrained.
The explosive growth of e-commerce and global logistics has driven unprecedented demand for large-span, clear-span warehouse structures. Rectangular hollow sections are the primary framing material for portal-frame and space-frame warehouse systems, offering spans exceeding 60 meters with minimal internal column interference.
In pedestrian bridges, road overpasses, and rail viaduct substructures, rectangular steel pipe provides the torsional rigidity and fatigue resistance required for cyclic dynamic loading. Box-girder bridge decks fabricated from heavy-wall rectangular sections are increasingly specified by civil engineers for their predictable performance under traffic loads.
Ground-mounted photovoltaic (PV) solar farms and wind turbine support structures rely heavily on hot-dip galvanized rectangular steel pipe for mounting frames, tracker rails, and foundation piles. The corrosion resistance and dimensional stability of HDG rectangular sections ensure 25+ year service life with minimal maintenance — directly supporting global renewable energy targets.
The global shift toward off-site manufacturing (OSM) and Design for Manufacture and Assembly (DfMA) methodologies has positioned rectangular steel pipe as a core component of modular building systems. Factory-fabricated steel modules using rectangular hollow sections can reduce on-site construction time by up to 50% while improving quality control and worker safety.
Electricity transmission lattice towers, 5G telecom masts, and broadcasting towers utilize rectangular and square hollow sections for their primary leg and bracing members. The combination of high strength, light weight, and galvanized corrosion protection makes them ideal for remote, exposed installations requiring decades of maintenance-free service.
Key commercial and technological developments driving innovation in structural hollow section manufacturing and application.
Infrastructure investment in Southeast Asia, Africa, the Middle East, and South America is accelerating at an unprecedented pace. Government-backed programs such as India's National Infrastructure Pipeline (NIP), Saudi Arabia's NEOM megaproject, and Africa's continental infrastructure development plans are creating massive sustained demand for certified structural steel hollow sections through 2035 and beyond.
Leading manufacturers are integrating AI-driven quality inspection systems, robotic welding cells, and real-time dimensional monitoring into ERW pipe production lines. These technologies reduce dimensional tolerances to sub-millimeter levels, increase throughput, and generate digital quality certificates — meeting the traceability requirements of premium construction projects.
The construction industry's decarbonization agenda is driving demand for "green steel" produced via Electric Arc Furnace (EAF) routes using recycled scrap, powered by renewable energy. Manufacturers who can supply Environmental Product Declarations (EPDs) and verified low-embodied-carbon rectangular steel pipe will gain significant competitive advantage in European and North American markets where embodied carbon regulations are tightening.
Beyond conventional hot-dip galvanizing, next-generation coating systems including ZAM® (zinc-aluminium-magnesium alloy), Galfan, and duplex coating systems are gaining rapid market acceptance. These advanced coatings offer 3–5× longer corrosion protection life compared to standard HDG, reducing lifecycle maintenance costs and enabling rectangular steel pipe to be specified in previously challenging corrosive environments such as coastal industrial zones and chemical plants.
With over 68% of the world's population projected to live in urban areas by 2050, the demand for efficient, fast-erect, high-density urban construction is intensifying. Rectangular steel pipe's compatibility with BIM (Building Information Modeling) workflows, prefabrication, and modular construction makes it the structural material of choice for the next generation of urban development projects.
Modern steel pipe manufacturers are leveraging digital platforms to streamline international procurement, offering online specification tools, real-time mill test report access, and direct-to-project logistics. Proximity to major export ports — such as Yuantai Derun's 40km distance from Tianjin Xingang Port — combined with digital supply chain management enables shorter lead times and greater supply chain transparency for global construction buyers.
Yuantai Derun manufactures rectangular steel pipe across an industry-leading dimensional range, serving every structural application from precision light-gauge framing to heavy industrial construction.
| Product Type | Size Range | Wall Thickness | Applicable Standards | Typical Applications |
|---|---|---|---|---|
| Rectangular Steel Pipe (RHS) | 10×12mm — 1000×1100mm | 0.5mm — 40mm | ASTM A500/501, EN10219, EN10210, JIS G3466, AS1163 | Structural frames, industrial racking, bridges |
| Square Steel Pipe (SHS) | 10×10mm — 1000×1000mm | 0.5mm — 40mm | ASTM A500/501, EN10219, EN10210, JIS G3466, AS1163 | Columns, posts, modular construction |
| ERW Circular Steel Pipe | ¾" — 80" OD | 0.5mm — 40mm | ASTM A53, EN10217, API 5L | Piling, fluid transport, structural columns |
| Spiral Welded Steel Pipe | Ø219mm — Ø1420mm | Per specification | API 5L, EN10217, ASTM A252 | Water/gas pipelines, foundation piling |
| Hot-Dip Galvanized RHS/SHS | Full range above | Full range above | EN ISO 1461, ASTM A123 | Outdoor structures, solar frames, telecom towers |
| ZAM® Coated Steel Pipe | Full range above | Full range above | JIS G3323, ASTM A1046 | Coastal, industrial & high-corrosion environments |
Over two decades of manufacturing excellence, delivering rectangular steel pipe for structural construction and framing to 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 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. 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, and 1 production line of JCOE LSAW pipe. Total plants area covers 900 acres.
Browse our complete range of structural steel pipe products — certified, precision-manufactured, and ready for global delivery.
Contact Yuantai Derun today for competitive pricing, technical specifications, and fast global delivery of certified rectangular steel pipe for structural construction and framing.
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