Reliable Choice ASTM A606 Type 4 Weathering Steel

ASTM A606 Type 4 Weathering Steel

ASTM A606 Type 4 Weathering Steel is a high-strength, low-alloy steel designed for superior resistance to atmospheric corrosion. It develops a self-protecting oxide layer when exposed to outdoor environments, which reduces the need for painting and maintenance. With its distinctive rustic appearance and durability, A606 Type 4 is widely used in architectural and structural applications.

Key Features & Advantages:

Superior Corrosion Resistance: Offers 4-6 times better atmospheric corrosion resistance compared to ordinary carbon steels like ASTM A36.

Self-Protecting Patina: Forms a dense, self-healing oxide layer that inhibits deeper corrosion, reducing long-term maintenance costs.

High Strength-to-Weight Ratio: Provides excellent mechanical strength, allowing for lighter and more efficient structural designs.

Cost-Effective: Eliminates or drastically reduces the need for painting and repainting over the structure's lifecycle.

Aesthetic Appeal: Develops a unique, rich russet-brown patina over time, highly valued in modern architectural design.

Weldability & Formability: Excellent welding and forming properties, making it suitable for complex fabrications.

Chemical Composition

Mechanical Properties

Exhibition

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