ASTM A588 Grade A
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Gnee Steel (Tianjin) Co., Ltd. is one of the most professional astm a588 grade a manufacturers and suppliers in China. Welcome to wholesale customized astm a588 grade a at competitive price from our factory. Good service and quality products are available.
ASTM A588 Grade A
ASTM A588 Grade A weathering steel is engineered with a balanced copper-chromium alloy system that develops a dense, self-renewing oxide layer when exposed to weather. Unlike painted carbon steel, its corrosion resistance improves over time, making it perfect for urban infrastructure, highway sound barriers, and industrial frameworks. Available as plates, bars, and custom profiles, this steel offers consistent mechanical properties across thicknesses up to 100mm, with no cold-brittleness risk down to -20°C.
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Product Information Table
| Property | Specification |
|---|---|
| Standard | ASTM A588 Grade A |
| Yield Strength | ≥345 MPa (50,000 psi) |
| Tensile Strength | 485–620 MPa (70,000–90,000 psi) |
| Key Alloys | Cu 0.25–0.40%, Cr 0.40–0.70%, P≤0.04% |
| Impact Toughness | 27J @ -20°C (-4°F) |
| Thickness Range | 3mm–100mm (custom cuts available) |
| Surface Finish | Hot-rolled, blasted, or pre-weathered |
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FAQ & Technical Notes
Q: How does Grade A compare to Grade K?
A: Grade A has lower yield strength (345 vs 415 MPa) but costs 8-12% less-ideal for non-critical structures.
Q: Can it withstand coastal environments?
A: Suitable for moderate marine atmospheres (1+ km inland); for splash zones, consider Ni-modified versions.
Q: What welding methods are recommended?
A: Use AWS E7018 electrodes with standard preheat (≥10°C for thicknesses >25mm).
Q: Is pre-rusted finish available?
A: Yes-accelerated patina options reduce onsite weathering to 6 months.
Q: Lead time for bulk orders?
A: 7-10 days for stock sizes; 2-3 weeks for custom fabrication.
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Why Choose Our ASTM A588 Grade A?
✅ ASTM-Certified Quality – Full MTC with heat traceability
✅ Fabrication-Ready – Plasma cutting, drilling, and bending services
✅ Global Stock – Immediate shipping from US/EU/Asia warehouses
✅ Technical Support – Free corrosion resistance guides
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We support multi-specification, multi-brand weather resistant steel plate customization, if you have ASTM A588 Grade A or other corten steel plate product customization needs, please contact us!
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