Certified ASTM A242 Corten Steel
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Gnee Steel (Tianjin) Co., Ltd. is one of the most professional certified astm a242 corten steel manufacturers and suppliers in China. Welcome to wholesale customized certified astm a242 corten steel at competitive price from our factory. Good service and quality products are available.
ASTM A242 Corten Steel
ASTM A242 Corten Steel maintains excellent mechanical properties across temperature extremes (-20°C to 400°C) and demonstrates superior weldability when using standard low-hydrogen electrodes. Available in plates (3-50mm), sheets, and custom profiles, it's particularly suited for architectural applications where structural performance and aesthetic value are equally prioritized.
- Technical Specifications
| Property | Specification |
|---|---|
| Standard | ASTM A242 Type 1 |
| Yield Strength | ≥345 MPa (50,000 psi) |
| Tensile Strength | 485 MPa (70,000 psi) min |
| Elongation | ≥18% in 50mm |
| Key Alloys | Cu 0.25-0.55%, Cr 0.50-1.25%, P≤0.15% |
| Impact Resistance | 27J @ -20°C |
| Thickness Range | 1.5-50mm |
| Surface Options | Mill finish, blasted, pre-weathered |
- Application Solutions
Q: How fast does the protective patina form?
A: Typically 12-18 months in temperate climates. We offer accelerated pre-weathered finishes for immediate aesthetics.
Q: Can A242 be used in coastal environments?
A: Suitable for moderate marine atmospheres (1km+ inland). For seaside projects, recommend our Ni-modified version (0.4-0.6% Ni).
Q: What welding precautions are needed?
A: Use AWS E7018 electrodes with standard preheat (≥10°C for thicknesses >25mm).
Q: Does the rust stain surrounding surfaces?
A: Initial runoff may occur - proper drainage design minimizes staining.
- Client Visit
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