Steel Solutions since 1982

Structural Steel - Weathering

ASTM A588 - Weathering Steel (Cor-Ten Equivalent)

High-strength low-alloy weathering steel that forms a protective rust layer preventing further corrosion, eliminating the need for painting in many applications.

Material Type

ASTM A588 - Weathering Steel (Cor-Ten Equivalent)

Mechanical Properties

Yield Strength: 345-485 MPa (50-70 ksi)

Tensile Strength: 485-620 MPa (70-90 ksi)

Key Features

  • Forms protective rust layer - Self-protecting patina
  • Reduces need for painting - Lower maintenance
  • Better atmospheric corrosion resistance - 4-8x better than carbon steel
  • High strength - HSLA grade
  • Distinctive appearance - Rust-colored finish

Applications

  • Bridges
  • Architectural structures
  • Outdoor sculptures
  • Railway wagons
  • Transmission towers
  • Building facades
  • Containers