Physical Properties
- Density: 8.1 g/cm³ (0.29 lb/in³)
- Specific heat, mean for 0–100 °C (32–212 °F): 813 J/(kg·K) (0.108 Btu/(lb·°F))
- Melting point: 2575 °F, 1413 °C
- Thermal conductivity: 25.5 W·m/(m²·K)
- Mean coefficient of thermal expansion: 11.3×10−6
- Yield tensile strength: typically 1030–2420 MPa (150,000–350,000 psi)
- Ultimate tensile strength: typically 1600–2500 MPa (230,000–360,000 psi). Grades exist up to 3500 MPa (500,000 psi)
- Elongation at break: up to 15%
- KIC fracture toughness: up to 175 MPa-m½
- Young's modulus: 210 GPa
- Shear modulus: 77 GPa
- Bulk modulus: 140 GPa
- Hardness (aged): 50 HRC (grade 250); 54 HRC (grade 300); 58 HRC (grade 350)
Read more about this topic: Maraging Steel
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