Product Details
Place of Origin: FUJIAN, CHINA
Brand Name: QZ RIDGE
Certification: CE,SGS
Model Number: RS-2601211503
Document: Ridge Product parameter.pdf
Payment & Shipping Terms
Minimum Order Quantity: 500 square meters
Price: USD 45~68 square meters
Packaging Details: naked
Delivery Time: 45 days
Payment Terms: L/C,T/T
Supply Ability: 20000 square meters per month
Product Name: |
Fabricated And Galvanized Steel Structures |
Primary Framing: |
H Column And Beam |
Structure Type: |
Portal Frame Steel Structure |
Roof Insulation: |
EPS/Firberglass Wool/Rock Wool/PU |
Carbon Structural Steel: |
Q235 Q355 |
Span Range: |
Up To 40 Meters |
Surface Treatment: |
Galvanized, Painted, Powder Coated |
Grade: |
Q235B,Q345B Or As Per Customer's Need |
Frame: |
Steel Structure |
Purlin Section: |
Q235 C Channel Or Z Channel |
Productname: |
Building Steel Structure |
Wall: |
EPS PU Rookwool Sandwich Panels |
Connection: |
Bolt Connection |
Surfacetreatment: |
Galvanized Or Painted |
Transport And Load: |
Container Shipment |
Usage: |
Industrial Buildings, Warehouses, Commercial Complexes |
Service: |
Design, Manufacture, Delivery |
Accessory: |
Gutter ;Downspout ;Roof Ventilator |
Structure: |
Steel Structure |
Fireresistance: |
Up To 2 Hours |
Life Of Service: |
More Than 50 Years |
Product Name: |
Fabricated And Galvanized Steel Structures |
Primary Framing: |
H Column And Beam |
Structure Type: |
Portal Frame Steel Structure |
Roof Insulation: |
EPS/Firberglass Wool/Rock Wool/PU |
Carbon Structural Steel: |
Q235 Q355 |
Span Range: |
Up To 40 Meters |
Surface Treatment: |
Galvanized, Painted, Powder Coated |
Grade: |
Q235B,Q345B Or As Per Customer's Need |
Frame: |
Steel Structure |
Purlin Section: |
Q235 C Channel Or Z Channel |
Productname: |
Building Steel Structure |
Wall: |
EPS PU Rookwool Sandwich Panels |
Connection: |
Bolt Connection |
Surfacetreatment: |
Galvanized Or Painted |
Transport And Load: |
Container Shipment |
Usage: |
Industrial Buildings, Warehouses, Commercial Complexes |
Service: |
Design, Manufacture, Delivery |
Accessory: |
Gutter ;Downspout ;Roof Ventilator |
Structure: |
Steel Structure |
Fireresistance: |
Up To 2 Hours |
Life Of Service: |
More Than 50 Years |
Whether you need a 500 square meter farm shed or a 15,000 square meter logistics center, the prefabricated steel structure buildings provided by Quanzhou RIDGE Steel Structure Co., Ltd. combine China's manufacturing efficiency with full compliance with local building codes. With 20 years of export experience and serving over 60 countries, we make one commitment: Your steel will be ready when it arrives.
Key Features
1. Full Code Compliance — Wherever You Build
| Standard | Application Region |
| EN 1090-2 EXC2/EXC3 | Europe, UK, Middle East |
| UKCA / CE Marking | United Kingdom, European Union |
| NBCC + CSA S16 | Canada |
| AISC 360 / ASCE 7 | United States, Caribbean |
| AS/NZS 1170 | Australia, New Zealand, Pacific Islands |
| SANS 10160 / SANS 10162 | South Africa, Sub-Saharan Africa |
2. Bolt-Together System — No Site Welding
3. Factory Pre-Assembly Inspection
4. Custom Engineering for Your Climate
| Load Type | Design Range | Example |
| Snow load | Up to 5.0 kPa | Northern Canada, Scandinavia, Alps |
| Wind speed | Up to 250 km/h (70 m/s) | Hurricane zones, coastal Australia |
| Seismic | Zone 0 to Zone 4 | New Zealand, Japan, Chile |
| Temperature | -45°C to +50°C | Arctic to desert environments |
5. Corrosion Protection That Lasts
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In-house roll-forming & fabrication – No middleman, direct quality control.
Full engineering package – Including structural calculation, foundation drawing, and assembly manual.
Global shipping experience – Containers optimized, CNF/CIF to over 40 countries.
12-month warranty against corrosion & structural defects.
| Item | Material | Description and surface process | |
| Main steel frame | Column and Beam | Q235 or Q355 | H section steel with two coats of mid-gray paint |
| Purlin | Q235 or Q355 | Galvanizd C or Z type steel | |
| Connecting Pieces | Tie tube | Q235 | Circular Tube with two coats of mid-gray paint |
| Knee-Bracing | Q235 | L50*4 Galvanizd angle steel | |
| Strutting piece | Q235 | φ12 Galvanizd Circular Tube | |
| Column Bracing | Q235 | Circular Tube with two coats of mid-gray paint | |
| Horizontal Bracing | Q235 | Circular Tube with two coats of mid-gray paint | |
| Casing | Q235 | φ30*2.5 Galvanized Circular Tube | |
| Door and Window | Item | Description | |
| Door | Roller shutter door or Sliding door | ||
| Window | PVC Window or aluminum alloy window | ||
| Other parts | Ventilating device | Fan,Ventilation window | |
| Bolt | Foundation bolt,High strengthen bolt,Normal bolts | ||
| Skylight | Yx-840 Glass Fiber Reinforced Plastics | ||
| Out/Inner ridge tile | 0.50mm Color sheet | ||
| Crane beam | Q235 or Q345 H section steel with two coats of mid-gray paint | ||
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Technical Specifications
Primary Steel Frame
| Component | Material | Standard |
| Columns | Q355B / S355JR welded H-section | GB/T 11263 / EN 10025-2 |
| Rafters | Q355B / S355JR welded H-section (tapered) | GB/T 11263 |
| Base plates | Q235B / S235JR, 16–25mm thick | GB/T 3274 |
| Connection bolts | Grade 10.9 high-strength friction-grip bolts | GB/T 1228 / EN 14399 |
Secondary Structure
| Component | Material | Specification |
| Purlins | Q345B / S350GD cold-formed Z or C section | GB/T 6725 / EN 10149-2 |
| Girts | Q345B / S350GD cold-formed C section | GB/T 6725 |
| Bracing (roof/wall) | Ø20–25mm round steel with turnbuckle | GB/T 699 |
| Tie rods | Ø12–16mm round steel | GB/T 699 |
Enclosure System
| Type | Thickness | Application | Thermal Performance |
| Single-skin steel sheet | 0.4–0.6mm | Agricultural, open-sided | Minimal |
| EPS sandwich panel | 50–100mm | Warehouses, workshops | U = 0.40–0.70 |
| Rock wool sandwich panel | 50–150mm | Fire-rated, public buildings | U = 0.25–0.45 |
| PIR sandwich panel | 50–150mm | Cold storage, cold climate | U = 0.18–0.25 |
| Single-skin + glass wool blanket | 50–100mm + liner sheet | Large-span, budget-sensitive | U = 0.35–0.50 |
Optional Features
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