The High Strength S460J0W Weathering Steel Plate, EN Standard is a premium structural material designed for demanding applications requiring robust mechanical properties and natural resistance to atmospheric corrosion. Compliant with EN 10025-5:2004, this steel provides a minimum yield strength of 460MPa (for thicknesses ≤16mm), making it suitable for heavy-load structures while reducing weight compared to lower-strength grades.
Its weathering resistance stems from alloying elements like copper (0.25–0.55%), chromium, and nickel, which promote the formation of a dense, adherent rust layer that protects the substrate from further corrosion. This eliminates the need for frequent protective coatings in moderate environments, lowering lifecycle costs. The "J0" designation ensures reliable performance in chilly conditions, with a minimum impact absorption of 27J at 0℃ (KV2), critical for structures exposed to temperature fluctuations.
Mechanical properties remain consistent across thicknesses: yield strength decreases slightly with increased thickness (440MPa at 16–40mm, 400MPa at 63–80mm), while tensile strength ranges from 550–720MPa (thin plates) to 530–680MPa (thicker plates), with an elongation rate of ≥19%. The steel's balanced chemical composition also supports good weldability, though proper techniques-such as controlled heat input and matching filler materials-are recommended to maintain structural integrity.
Typical applications include railway bridges, industrial steel frameworks, shipping containers, and outdoor structures in coastal, urban, or rural areas where exposure to moisture, pollutants, or varying climates is common. Its combination of high strength, impact resistance, and weathering performance makes it a cost-effective choice for long-lasting infrastructure. Always consult the EN standard or suppliers for detailed technical specifications to ensure suitability for specific project requirements.
FAQ
Q: What standard does this steel plate meet?
A: It complies with EN 10025-5:2004 for hot-rolled weathering structural steels.
Q: What is its minimum yield strength?
A: 460MPa for thicknesses up to 16mm, decreasing slightly with thicker plates.
Q: How does it resist corrosion?
A: Alloy elements like copper and chromium form a protective rust layer that slows substrate corrosion.
Q: What temperature is the impact test conducted at?
A: Impact resistance is tested at 0℃, with a minimum KV2 value of 27J.
Q: Where is this steel commonly used?
A: In bridges, buildings, railway vehicles, and outdoor structures needing strength and weather resistance.
