Explore our premium square steel pipe product lines engineered for structural, mechanical, and industrial use cases.
Understanding the industrial landscape and commercial momentum driving demand worldwide.
Square steel pipe — also referred to as square hollow section (SHS) — has become one of the most indispensable structural materials across global manufacturing, construction, and mechanical engineering sectors. With a uniform cross-section that delivers consistent strength in multiple axes, square steel pipes outperform many traditional profiles in applications where torsional rigidity, aesthetic integration, and fabrication efficiency are simultaneously required. The global hollow section steel market is projected to surpass USD 220 billion by 2030, driven by accelerating infrastructure investment across Asia-Pacific, the Middle East, and North America, alongside the rapid expansion of renewable energy infrastructure and automated manufacturing facilities.
Six engineering and commercial advantages that make SHS the preferred choice for demanding applications.
The closed square profile resists bending and torsion in all planes simultaneously, making it ideal for load-bearing columns, machine frames, and heavy-duty racking systems where multi-directional stress is common.
Flat mating surfaces allow direct butt joints and fillet welds without complex profiling, significantly reducing labor time and fabrication costs in structural steelwork, conveyor systems, and modular assemblies.
Hot-dip galvanizing, pre-galvanizing, and specialized coatings extend service life in harsh environments — from coastal infrastructure to chemical processing plants and agricultural machinery.
Manufactured to EN10219, EN10210, ASTM A500/501, JIS G3466, and AS1163 standards, Yuantai Derun square tubes deliver tight dimensional tolerances critical for automated assembly lines and precision mechanical equipment.
From compact 10×10×0.5mm sections for precision instruments to massive 1000×1000×40mm columns for heavy industrial structures, a single supplier can fulfill every project requirement without sourcing from multiple vendors.
Hollow sections offer an excellent strength-to-weight ratio compared to solid profiles, reducing overall structural dead load, lowering foundation costs, and enabling more sustainable design approaches in modern construction.
Square steel pipe serves as a critical enabling material across a diverse range of high-value industries and engineering disciplines.
Square hollow sections form the backbone of modern steel-framed buildings, bridges, pedestrian walkways, and sports stadiums. Their predictable load distribution and ease of connection with standard bolted or welded joints make them the go-to choice for structural engineers working under strict safety codes worldwide.
In Industry 4.0 environments, robotic work cells, CNC machine bases, and automated conveyor frameworks demand frames that minimize vibration, maintain geometric accuracy under dynamic loading, and allow rapid reconfiguration. Square steel pipe meets all these requirements while simplifying cable management through its hollow interior.
Vehicle chassis, trailer subframes, bus body structures, and rail car underframes extensively use square and rectangular hollow sections for their high strength-to-weight ratio. Galvanized variants provide long-term corrosion resistance essential for vehicles exposed to road salts and extreme weather conditions.
Solar panel mounting structures, wind turbine support towers, and substation frameworks rely on square steel pipe for its structural efficiency and weather resistance. As global renewable energy capacity targets accelerate, demand for galvanized square sections in solar farm construction is growing at double-digit annual rates.
Heavy-duty pallet racking systems, industrial shelving, and mezzanine floor structures in warehouses and distribution centers are engineered using square hollow sections. The flat surfaces facilitate clean connections and allow integration of floor decking and safety barriers without complex custom fabrication.
Greenhouse frameworks, livestock housing, irrigation system supports, and farm equipment frames benefit from galvanized square pipe's combination of structural strength and long-term corrosion resistance in humid, chemically active agricultural environments — reducing maintenance costs over multi-decade service lives.
Key commercial and technological forces transforming how square steel pipe is specified, manufactured, and supplied globally.
Yuantai Derun manufactures square steel pipe across an exceptionally wide dimensional range to international standards.
| Product Type | Size Range | Wall Thickness | Applicable Standards |
|---|---|---|---|
| Square Pipe (SHS) | 10×10mm — 1000×1000mm | 0.5mm — 40mm | ASTM A500/501, EN10219, EN10210, JIS G3466, AS1163 |
| Rectangular Pipe (RHS) | 10×12mm — 1000×1100mm | 0.5mm — 40mm | ASTM A500/501, EN10219, EN10210, JIS G3466, AS1163 |
| Circular ERW Pipe (CHS) | ¾" × 0.5mm — 80" × 40mm | 0.5mm — 40mm | ASTM A53, EN10217, EN10219, JIS G3444 |
| Spiral Welded Pipe | Ø219mm — Ø1420mm | Custom | API 5L, GB/T 9711, EN10217-5 |
| Hot-Dip Galvanized (HDG) | Full SHS/RHS/CHS range | Zinc coating 45–85 μm | EN ISO 1461, ASTM A123, BS EN 10346 |
| Pre-Galvanized Pipe | Full SHS/RHS/CHS range | Zinc coating 60–275 g/m² | EN 10346, ASTM A653 |
A world-class manufacturer with the scale, technology, and logistics to serve global industrial 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 3/4"x0.5mm~80"x40mm, 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, 1 production lines of JCOE LSAW pipe. Total plants area covers 900 acres.
Browse our complete range of square steel pipe, rectangular tube, and related hollow section products for every industrial application.