GB/T Q235NH Corten Steel Certified
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Gnee Steel (Tianjin) Co., Ltd. is one of the most professional gb/t q235nh corten steel certified manufacturers and suppliers in China. Welcome to wholesale customized gb/t q235nh corten steel certified at competitive price from our factory. Good service and quality products are available.
GB/T Q235NH Corten Steel
While not as strong as premium grades (Q460NH-Q690NH), GB/T Q235NH Corten Steel provides 80% of the weather resistance at 50% of the cost - perfect for projects where budget matters but painted steel won't suffice.
Key Features:
Forms the classic orange-brown patina over 6-18 months
25% lighter maintenance vs. regular carbon steel
Easy to weld and fabricate - no special equipment needed
Ideal for non-critical structures where extreme strength isn't required
Think of it as the "training wheels" of Corten steels - all the weathering benefits, just not the heavy-duty performance of its big brothers.
Product Information Sheet
| Property | Specification |
|---|---|
| Standard | GB/T 4171 |
| Grade | Q235NH |
| Yield Strength | ≥235 MPa |
| Tensile Strength | 360-500 MPa |
| Elongation | ≥22% |
| Corrosion Rate | 1.5x better than carbon steel |
| Key Advantage | Lowest-cost weathering steel option |
| Available Forms | Thin sheets (1-6mm), basic structural shapes |
Where It Shines: Practical Applications
1. Decorative & Light Structural
Garden sculptures and landscape edging
Park benches and outdoor signage
Residential fencing with rustic appeal
2. Light Industrial
Warehouse roofing (non-load bearing)
Grain storage sheds in dry climates
Truck trailer side panels (interior frames use higher grades)
3. Temporary Structures
Construction site barriers lasting 3-5 years
Event stage backdrops needing quick rust aesthetic
Roadside sound barriers in moderate climates
4. Educational Projects
Architecture student projects learning weathering steel
DIY workshops for small metal crafts
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