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Custom Industrial Facility Prefab Workshop Structure Steel Frame Garage Shed Professional Building Engineering Service
Technical Specifications
Item
Standard
Custom Range
Steel Grade
Q355B, Q460C, A36, A572Gr.60, S355
Custom
Component Type
H-beam, Box column, Crane beam, Truss
All types
Section Size
H300-H1200; Box 400×400-1200×1200
Custom
Plate Thickness
10-60mm (standard)
Up to 120mm
Crane Capacity
5-50t+
Custom
Floor Load
5-20kN/㎡
Custom
Surface Treatment
Sandblasting Sa2.5 + Multi-layer Coating
Galvanized available
Fire Resistance
1.0h / 1.5h / 2.0h / 3.0h
Custom
Standard
GB50017, GB50205, ASTM, EN, BS
Certified
Service Life
≥50 years
Extendable
Welding Quality
Class 2, key parts Class 1
100% NDT
Product Overview
Heavy steel structure refers to a high-strength load-bearing structural system manufactured from high-performance low-alloy structural steels such as Q355B, Q460C, ASTM A36, A572 Gr.60, EN S355 through digital detailed design, CNC cutting, automated assembly and welding, integral straightening, sandblasting, anti-corrosion and fireproof coating, non-destructive testing, and factory inspection.
Compared with traditional concrete structures, heavy steel structures feature lighter self-weight, higher load capacity, better seismic toughness, faster construction, larger space utilization, lower life-cycle cost, and 100% recyclability. It is the preferred structural form for modern industrial buildings, transportation infrastructure, energy projects, high-rise and super high-rise buildings under severe working conditions such as long span, high clearance, heavy load, strong vibration, and high-intensity seismic resistance.
Our heavy steel structures are produced in accordance with GB50017, GB50205, ASTM, EN, BS, JIS standards, with a designed service life of more than 50 years, providing safe, reliable, and long-lasting structural support for global key projects.
Core Product Categories
We provide full-series custom fabrication of heavy steel structures to cover all engineering scenarios:
Special Heavy Components: Equipment bases, tower frames, power station structures, wind turbine bases
Key Advantages
Superior Load-Bearing Capacity Adopting high-strength steel with yield strength up to 345 -690MPa, supporting heavy cranes (25t, 50t, 100t+), heavy-load floors, and long-span column-free spaces.
Excellent Seismic & Wind Resistance Outstanding plasticity and toughness, meeting seismic fortification intensity 8+, ensuring safety in high-seismic and coastal strong-wind areas.
Factory Prefabrication & Efficient Delivery Full-process factory prefabrication, shortening construction period by 30% -60% compared with concrete structures.
Maximized Space Utilization Small cross-section and high bearing capacity enable extra-long span and super-high clearance, improving usable area and logistics efficiency.
Long-Lasting Anti-Corrosion & Durability Standard surface treatment: sandblasting Sa2.5 + zinc-rich epoxy primer + epoxy intermediate coat + polyurethane topcoat.
Eco-Friendly & Low-Carbon Dry construction minimizes pollution. Steel is 100% recyclable, fully compliant with global green building policies.
Main Applications
Heavy Industrial Buildings: Heavy machinery workshops, metallurgical plants, chemical factories, automobile plants, high-load warehouses
