
Manager An
Leave a message1. Product Overview
Seamless Box-Section Steel Structure is a hollow rectangular cross-section steel component made through advanced processes. It adopts seamless molding technology and has high strength, high rigidity and excellent torsion resistance. It is widely used in construction, bridges, mechanical manufacturing and other fields, and is a key load-bearing component in modern engineering.
2. Core features
Seamless molding: adopts hot rolling or cold bending seamless process, no weld defects, strong integrity, and avoid stress concentration.
High load-bearing capacity: uniform cross-sectional distribution, bending, compressive and torsional resistance are better than ordinary H-shaped steel or I-shaped steel.
Lightweight design: The hollow structure reduces its own weight while ensuring strength, reducing base load and transportation costs.
Corrosion resistance: It can be matched with galvanized, plastic sprayed or weather-resistant steel to adapt to harsh environments (such as marine and chemical scenarios).
Aestheticity: The surface is flat and the lines are simple, which is suitable for exposed building design needs.
3. Technical parameters
Project | Parameter range |
Material | Q235B、Q355B、SS400、ASTM A500 Gr.C |
Cross-sectional dimensions (mm) | 50×50~600×600 (wall thickness 3~40mm customized) |
Length | 6~12m (supports non-standard customization) |
Process Standards | GB/T 6728、EN 10210、JIS G3463 |
Surface treatment | Hot-dip galvanizing, spraying paint, fire-resistant coating, fluorocarbon spraying, etc. |
4. Application areas
Building structure:High-rise building frame, venue trusses, canopy support, curtain wall keel.
Bridge Engineering:Main beam of span bridge, pier support, and pedestrian overpass box girder.
Machinery manufacturing:Crane boom, conveying equipment guide rails, heavy mechanical skeleton.
Power Communication:Transmission tower and 5G base station support structure.
Special scenarios:Offshore platform, seismic reinforcement engineering, modular building.
5. Product Advantages
High accuracy: CNC molding, dimensional tolerance is controlled within ±1mm, making it easy to install.
Long life: Seamless design reduces the risk of rust, and can last more than 50 years.
Environmental protection and energy saving:Recyclable and complies with green building standards (such as LEED certification).
Flexible customization: supports personalized needs such as special-shaped cross-sections, openings, stiffeners, etc.
6. Service support
Design assistance: Provide structural mechanical analysis and node optimization solutions.
Logistics guarantee: global transportation, anti-rust packaging, arrival acceptance service.
After-sales tracking: Regular return visits and provide maintenance advice.
Mobile number: 13848510731
Landline number: 0471-6490861
Address: Inside the courtyard of the Outer Transport Company, diagonally opposite the government of Haoqinying Town, Xincheng District, Hohhot City, Inner Mongolia (National Highway 110)
Inner Mongolia Shenghua Steel Structure Engineering Co., Ltd
Contact: Manager Gao 13848510731 13848517732
Landline number: 0471-6490861
Address: 800 meters from Jinhe Expressway exit, Jinqiao
Development Zone, Hohhot, Inner Mongolia
Copyright © 2025 Xinzhongju Steel Structure Color Plate Co., Ltd All rights reserved Filing No.: CP Bei No. 000000
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