Description
Chemical Composition (Percentage by Weight):
| Carbon (C) | Manganese (Mn) | Phosphorus (P) | Sulfur (S) | Silicon (Si) | Chromium (Cr) | Copper (Cu) |
|---|---|---|---|---|---|---|
| 0.12-0.20% | 0.45-0.60% | 0.07-0.15% | 0.03% max | 0.25-0.75% | 0.35-0.55% | 0.20-0.45% |
Mechanical Properties:
| Tensile Strength (at room temperature) | Yield Strength (at room temperature) | Elongation (in 50mm | Charpy V-Notch Impact Test |
|---|---|---|---|
| 480-620 MPa | 340 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) |
|---|---|---|---|---|
| 7.85 g/cm³ (0.284 lb/in³) | 12.5 x 10^(-6)/°C (7 x 10^(-6)/°F) | 19-23% IACS (International Annealed Copper Standard) | 0.27-0.30 | 190-210 GPa (27.5-30.5 x 10^6 psi) |
IRSM 41-97 steel is known for its ability to form a protective patina on its surface when exposed to the atmosphere, similar to weathering steel. This natural rust-like patina not only provides corrosion resistance but also gives the material an attractive and weathered appearance.
Applications for IRSM 41-97 steel include:
Railway Rolling Stock: It is used in the manufacturing of railway wagons and other components due to its strength and resistance to atmospheric corrosion.
Construction: IRSM 41-97 is suitable for the construction of outdoor structures, bridges, and other architectural elements where exposure to the elements is a concern.
Poles and Light Standards: It is used for utility poles, street lighting standards, and outdoor infrastructure.
Mining Equipment: Some mining equipment and machinery components are made from IRSM 41-97 steel due to its ability to withstand harsh outdoor conditions.
Automotive Components: In some cases, it may be used for automotive components, particularly those exposed to outdoor conditions.
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