Reliable JIS G3114 SMA490BW Corten Steel
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Gnee Steel (Tianjin) Co., Ltd. is one of the most professional reliable jis g3114 sma490bw corten steel manufacturers and suppliers in China. Welcome to wholesale customized reliable jis g3114 sma490bw corten steel at competitive price from our factory. Good service and quality products are available.
JIS G3114 SMA490BW Corten Steel
SMA490BW Corten Steel is classified as a medium- to high-strength structural steel with a minimum yield strength of 355 MPa and a tensile strength range of 490–610 MPa, making it suitable for medium- to heavy-load structural applications. The steel's chemical composition includes copper, chromium, nickel, and phosphorus, which promote corrosion resistance and ensure the formation of a uniform patina under varying atmospheric conditions.
This steel grade exhibits excellent weldability, formability, and machinability, allowing it to be fabricated into plates, sheets, beams, coils, and customized structural components. Over time, SMA490BW develops a naturally weathered surface that not only provides protection against corrosion but also delivers a visually striking, industrial-rust finish.
Key Features
Enhanced Corrosion Resistance – Self-protective patina extends steel durability in outdoor environments.
High Mechanical Strength – Suitable for medium- to heavy-load structural applications.
Lower Maintenance Requirements – Reduced need for painting or coatings decreases long-term costs.
Fabrication Friendly – Easily welded, cut, and shaped to meet a wide range of design requirements.
Aesthetic Weathered Finish – Unique rust-like surface enhances architectural and landscape projects.


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