Unveiling the Strength and Durability of 905M39 Steel Alloy

The chemical composition of 905M39 steel alloy is as follows:

– Carbon (C): 0.36-0.43%
– Silicon (Si): 0.10-0.35%
– 망간(Mn): 0.50-0.80%
– 인(P): 최대 0.035%
– Sulfur (S): max 0.035%
– 크롬(Cr): 0.90-1.20%
– 니켈(Ni): 0.40-0.70%
– 몰리브덴(Mo): 0.20-0.30%

The mechanical properties of 905M39 steel alloy include:

– Tensile strength: 700-850 MPa
– Yield strength: 570-730 MPa
– Elongation: 12-14%
– Reduction in area: 45-50%
– Hardness (HB): 220-250 HB
– Impact strength (Charpy V-notch): 20-30 Joules

The technical properties of 905M39 steel alloy include:

– Melting point: approximately 1460-1500°C
– Density: 7.83 g/cm³
– Thermal conductivity: 52.9 W/m·K
– Coefficient of thermal expansion: 11.0 µm/m·K
– Electrical resistivity: 0.20-0.22 µΩ·m
– Young’s modulus: 200-210 GPa
– Poisson’s ratio: 0.27-0.30

Overall, 905M39 steel alloy exhibits excellent strength, durability, and toughness, making it suitable for various applications in industries such as automotive, aerospace, and engineering.