Description
Chemical Composition (Percentage by Weight):
| Carbon (C) | Silicon (Si | Manganese (Mn) | Phosphorus (P) | Sulfur (S) | Chromium (Cr) | Copper (Cu) | Nickel (Ni |
|---|---|---|---|---|---|---|---|
| 0.16% max | 0.30-0.50% | 0.50-1.25% | 0.030% max | 0.030% max | 0.40-0.65% | 0.25-0.40% | 0.40% max |
Mechanical Properties:
| Tensile Strength (at room temperature) | Yield Strength (at room temperature) | Elongation (in 50mm | Charpy V-Notch Impact Test |
|---|---|---|---|
| 485-630 MPa | 345 MPa min | 20% min | 27 J (20 ft-lbf) minimum at -20°C (-4°F) |
Typical Properties:
| Density | Thermal Expansion | Electrical Conductivity | Poisson’s Ratio | Modulus of Elasticity (Young’s Modulus) |
|---|---|---|---|---|
| 7.87 g/cm³ (0.284 lb/in³) | 12.5 x 10^(-6)/°C (7 x 10^(-6)/°F) | 18% IACS (International Annealed Copper Standard) | 0.29 | 210 GPa (30 x 10^6 psi |
Corten B steel shares many similarities with Corten A in terms of chemical composition and mechanical properties. It is specifically designed to provide improved resistance to atmospheric corrosion, making it suitable for a wide range of outdoor and structural applications.
Like Corten A steel, Corten B forms a protective rust-like patina when exposed to the elements. This patina not only enhances its visual appeal but also acts as a barrier against further corrosion, allowing the material to maintain its structural integrity over time.
Applications for Corten B steel include architectural structures, bridges, outdoor sculptures, garden features, cladding, and various structural components exposed to the elements. It is a popular choice in industries where both aesthetics and corrosion resistance are important factors in material selection. However, as with Corten A, it is crucial to consider the specific environmental conditions and project requirements when using Corten B steel to ensure its long-term performance.
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