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Prefab Heavy Steel Structure Building For Office Hotel With Welding Cutting Services
Product Summary
Heavy steel structures with Q355B/S355 steel, CE/AISC certified. Superior load-bearing, seismic/wind resistance, 50-year lifespan. Prefabricated for 30-60% faster construction. Custom sizes, full welding & installation services included.
Product Custom Attributes
Application::
Industrial Buildings, Bridges, Warehouses
Main Structurel Material::
Q355B/ASTM A572 Gr.50/EN S355/JIS SM490
Forming::
Hot-Rolled Steel
Assembly::
Preassembly At Workshop
Production Capacity::
40000 Square Meter Per Month
Building Structural Form::
Heavy Steel
Usage::
Offshore Equipment Platform
Corrosionresistance::
Excellent
Windows::
Aluminum Windows
Production Standards::
CE, AISC, GB
Transport Package::
40′gp, 40′hq, 40′ot Or In Bulk
Option::
Skylight Belt, Vent, Gutter, Crane
Product Type::
Steel Structure Warehouse
Raw Material Standard::
Q355B S355JR Etc.
Connection Form::
Welded Connection
Highlight::
Prefab Heavy Steel Structure
,Q355B Heavy Steel Structure
,A572 heavy steel structure fabrication
Basic Properties
Place of Origin:
China
Brand Name:
JinHongTong
Certification:
CE (EN 1090)，ISO 9001 / 14001 / 45001，AISC Standard，SABER / SASO / SABS，EN 10204 3.1 Material Certificate，ISO 3834 Welding Quality System
Trading Properties
Minimum Order Quantity:
100 ㎡
Price:
999
Packaging Details:
Waterproof plastic film + steel strip bundling + wooden pallets.Seaworthy export packing.
Delivery Time:
30 work days
Payment Terms:
L/C,D/A,D/P,T/T,Western Union
Supply Ability:
Annual production capacity: 20,000 ㎡ - 30,000 ㎡ of steel structure buildings.
Product Description
Prefab Heavy Steel Structure Building for Office & Hotel Use with Welding & Cutting Services Included
| Frame Column and Beam | Q355B, Q235B Welded H Section Steel |
| Welding | Automatic Submerged Arc Welding |
| Surface Processing | Coating or Galvanized |
| Accessories - Window | Aluminium Alloy Window/ PVC Window/ Sandwich Panel Window |
| Accessories - Door | Sliding Sandwich Panel Door/ Rolling Metal Door/ Fireproof Door |
| Maintenance System - Roof Panel | EPS Sandwich Panel / Glass Fiber Sandwich Panel / Rock Wool Sandwich Panel / Pu Sandwich Panel / Steel Sheet |
| Maintenance System - Wall Panel | Sandwich Panel/ Corrugated Steel Sheet |
| Service Life | Up to 50 years |
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
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 |
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
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