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50Cr-50Ni Alloy vs. ACI-ASTM CA40 Steel

50Cr-50Ni alloy belongs to the otherwise unclassified metals classification, while ACI-ASTM CA40 steel belongs to the iron alloys. There are 21 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.

For each property being compared, the top bar is 50Cr-50Ni alloy and the bottom bar is ACI-ASTM CA40 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
190
Elongation at Break, % 5.7
10
Poisson's Ratio 0.26
0.28
Shear Modulus, GPa 84
76
Tensile Strength: Ultimate (UTS), MPa 620
910
Tensile Strength: Yield (Proof), MPa 390
860

Thermal Properties

Latent Heat of Fusion, J/g 350
280
Specific Heat Capacity, J/kg-K 490
480
Thermal Expansion, µm/m-K 15
10

Otherwise Unclassified Properties

Base Metal Price, % relative 50
7.5
Density, g/cm3 8.0
7.7
Embodied Carbon, kg CO2/kg material 7.9
2.0
Embodied Energy, MJ/kg 110
28
Embodied Water, L/kg 350
100

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 31
89
Resilience: Unit (Modulus of Resilience), kJ/m3 350
1910
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 21
33
Strength to Weight: Bending, points 20
27
Thermal Shock Resistance, points 14
33

Alloy Composition

Aluminum (Al), % 0 to 0.25
0
Carbon (C), % 0 to 0.1
0.2 to 0.4
Chromium (Cr), % 48 to 52
11.5 to 14
Iron (Fe), % 0 to 1.0
81.5 to 88.3
Manganese (Mn), % 0 to 0.3
0 to 1.0
Molybdenum (Mo), % 0
0 to 0.5
Nickel (Ni), % 44.5 to 52
0 to 1.0
Nitrogen (N), % 0 to 0.3
0
Phosphorus (P), % 0 to 0.020
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 1.5
Sulfur (S), % 0 to 0.020
0 to 0.040
Titanium (Ti), % 0 to 0.5
0