ASTM A588 and A606-4 High-Strength Low-Alloy Steels

 

ASTM A588 and A606-4 High-Strength Low-Alloy Steels

Overview of ASTM A588

ASTM A588 specifies high-strength low-alloy structural steel shapes, plates, and bars for welded, riveted, or bolted construction. It is primarily used in welded bridges and buildings where weight savings or increased durability are important.

Corrosion Resistance

The atmospheric corrosion resistance of ASTM A588 steel is significantly better than that of carbon structural steels, with or without copper addition. When exposed to the atmosphere, this steel is suitable for many applications in its bare (unpainted) condition.

Characteristics of A606-4 Steel

A606-4 is a type of high-strength low-alloy steel known for its rusted appearance. It is popular for making metal panels due to this distinctive look.

Natural Weathering Process

Corten coils, made from weathering steel like A606-4, do not arrive pre-rusted. Instead, they will rust naturally when exposed to the weather, developing a protective patina over time.

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