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High‑Strength Large‑Diameter Square & Rectangular Steel Tubes for Steel Truss, Steel Platform & Curtain Wall Support Structures | Steel Structure Engineering Use
Product Introduction
Our large‑diameter square and rectangular steel tubes are professionally tailored for steel structure engineering. Manufactured from premium carbon steel with standardized welding techniques and precise dimensional tolerances, they serve as critical load‑bearing and supporting components for steel trusses, steel platforms, curtain wall supports and other construction projects, boasting stable performance and a long service life.
High Load‑Bearing Capacity
The thick‑walled design enhances bending and compression resistance, satisfying heavy‑duty structural demands of large‑scale steel buildings.
Precise Dimensions & Stable Structure
Strict dimensional tolerance control guarantees assembly accuracy, greatly improving the overall stability of steel structure projects.
Superior Corrosion Resistance & Long Lifespan
Raw materials conform to international steel standards with excellent rust resistance, ideal for long‑term outdoor structural applications.
Customizable Specifications Available
Custom‑made wall thickness, length, cross‑section size and surface treatment are offered to match different engineering drawing requirements.
FAQs
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Q1: Can your square rectangular tubes be used for outdoor steel truss structures?
A1: Yes. Our large‑diameter square rectangular steel tubes are made of high‑grade structural steel with great weather resistance and load‑bearing capacity, perfectly suited for outdoor steel trusses, steel platforms and curtain wall support systems.
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Q2: Do you support customized specifications for steel structure projects?
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Q3: What international standards do your products comply with?
Steel Truss Structure Engineering
Core load‑bearing frame components for factories, long‑span warehouses and industrial plants.
Steel Platform Structure Engineering
Support frames for workshop operation platforms, mezzanine floors and industrial storage platforms.
Building Curtain Wall Support System
Stable connection and support parts for glass curtain walls and exterior wall decorative structures of high‑rise buildings.
Other Steel Structure Projects
Widely applied in viaduct support frames, equipment bases, municipal engineering and other heavy‑duty structural fields.
Factory Tour
Product Specifications
| Parameter Item | Specification | English Note |
| Material | Q235B / Q355B Carbon Steel | Primary structural steel for construction engineering |
| Section Shape | Square Tube / Rectangular Tube | Large‑diameter heavy‑duty type |
| Wall Thickness | 3mm‑20mm | Customizable for heavy‑load scenarios |
| Length | 6m / 9m / 12m / Customized Size | Standard & project‑specific dimensions |
| Surface Treatment | Black Raw Surface / Hot‑Dip Galvanized / Paint Coating | Meet anti‑corrosion demands of diverse scenarios |
| Tolerance Standard | ISO 657 / ASTM A500 | International standards for steel structures |