Weathering Steel

ASTM-A606 Type 4 Weathering Steel, also commonly known as Corten®️ Steel, forms a protective rust-like patina over time, making it ideal for architectural and structural applications. It’s made up of copper, chromium, nickel, and other elements that create the corrosion resistance properties.

What is Weathering Steel?

Weathering Steel is is designed to form a stable, protective rust-like patina when exposed to the atmosphere. This patina acts as a barrier against further corrosion, eliminating the need for painting
or additional surface treatments in many environments. Commonly used in bridges, building facades, railway wagons, and architectural structures, weathering steel combines durability
with a distinctive, evolving aesthetic that blends naturally with its surroundings.

Weathering Steel<br />

Key Features and Benefits

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Self-protecting corrosion resistance – Develops a protective patina that slows further rusting.

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Low maintenance requirements – Reduces or eliminates the need for painting and coatings.

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High strength and durability – Suitable for structural and load-bearing applications.

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Distinctive architectural appearance – Offers a natural, textured finish that improves with age.

RSS Standard Stock Inventory

Thicknesses: 3 MM, 2 MM, Various gauges

Widths: 48”, 60”

Grades: A606 Type 4

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Domestically produced material including 100% melted & manufactured available.

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Applications

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Transportation manufacturing

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Architectural panels

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Roofing, siding

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Custom Processing and Local Delivery

Reliance Sheet & Strip Company operates advanced leveling lines and shears to deliver high-quality steel, precision-cut to your exact specifications. Our dedicated in-house delivery team provides prompt, reliable service throughout Northern California. Backed by a knowledgeable sales staff, we work closely with you to identify the ideal solution for your project. 
 
Contact us today to discuss your requirements, request a quote, or learn more about our capabilities. 
At Reliance Sheet & Strip Company, your needs always come first.