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:
- Heavy Columns: Box columns, cross columns, latticed columns, steel pipe columns
- Heavy Beams: H-section beams, variable-section crane beams, box beams, transfer beams
- Trusses & Space Frames: Pipe trusses, triangular trusses, portal frames, grid structures
- Crane Systems: 5t-50t+ crane beams, brake trusses, walkways, bumpers
- High-Rise Components: Steel frames, core tubes, outrigger trusses, belt trusses
- Bridge Steel Structures: Steel box girders, steel truss girders, bridge deck plates
- 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
- Transportation Infrastructure: Highway & railway bridges, viaducts, stations, airport terminals
- High-Rise & Super High-Rise Buildings: Office buildings, hotels, apartments, steel frame structures
- Energy & Power Projects: Power plants, wind & solar bases, boiler structures, substation frameworks
- Large Public Buildings: Stadiums, exhibition centers, theaters, long-span landmark buildings
- Special Heavy-Duty Structures: Port platforms, crane bases, industrial towers, equipment supports
Production & Manufacturing Process
- Detailed Design & BIM Modeling - Tekla Structures, 3D BIM
- CNC Precision Cutting - Flame / plasma / laser cutting
- Assembly & Welding - Automatic assembly, submerged arc welding
- Straightening & Shaping - Mechanical + flame straightening
- Surface Treatment - Sandblasting/shot blasting to Sa2.5
- Anti-Corrosion & Fireproof Coating
- Non-Destructive Testing - UT, MT, PT inspection
- Marking, Packaging & Delivery
One-Stop Services
- Consultation & Scheme Design
- Detailed Design & Drawing
- Custom Fabrication
- Quality Inspection & Certification
- Logistics & On-Site Guidance
- Installation & Turnkey
- After-Sales & Maintenance
Why Choose Us
- Professional Team & Rich Project Experience
- Full Industrial Chain & In-House Production Capacity
- Strict Quality Control System (ISO9001)
- Cost-Effective & On-Time Delivery
- International Standard Compliance (GB, ASTM, EN, BS)
- Reliable After-Sales Support
