Key Advantages:
Superior corrosion resistance (2–5× better than ordinary steel)
High strength-to-weight ratio (cold rolling enhances hardness & surface finish)
Low maintenance (rust layer acts as a protective barrier)
Aesthetic appeal (suitable for architectural designs)
Chemical Composition (%)
| Element | C ≤ | Si | Mn | P ≤ | S ≤ | Cu | Cr | Ni |
|---|---|---|---|---|---|---|---|---|
| Q295G | 0.12 | 0.10–0.40 | 0.20–0.60 | 0.035 | 0.030 | 0.20–0.50 | 0.30–1.25 | ≤0.65 |
Mechanical Properties
| Property | Yield Strength (MPa) | Tensile Strength (MPa) | Elongation (%) | Impact Test Temp. | Hardness (HV) |
|---|---|---|---|---|---|
| Q295G (Cold Rolled) | ≥295 | 430–600 | ≥22 | -20°C | 120–180 |
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