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Weathering Steel

Weathering Steel is a hot-rolled structural product with minimum yield strength of 340 MPa, good ductility and good weldability. It has enhanced weather resistance when compared to traditional steels. The surface forms a distinctive patina resulting from protective surface oxidation and develops during exposure to the atmosphere.

Key Features
  • Suitable for use as building façades and architectural features
  • Enhanced weather resistance
  • Good formability
  • Improved service life due to improved corrosion performance
  • Guaranteed minimum strength levels
Steel Metal Cladding
Scope of Use
  • Typically used in non-marine and non-industrial environments
  • Suitable for use in bridges, rolling stock and shipping container applications
  • Architectural applications include building façades
  • Decorative sound barriers on freeways
Limitations on Use
  • Weathering steels are not recommended without further protection for buried or submerged situations or for applications exposed to concentrated industrial fumes or severe marine conditions
  • Oxide staining of surrounding areas may occure due to run-off from this material
Data Sheet
Technical Builetin 26 - Weathering Steel
Weathering Steel - Welding Guide

Weathering Steel supplied by New Zealand Steel.

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