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50Cr-50Ni Alloy vs. SAE-AISI A8 Steel

50Cr-50Ni alloy belongs to the otherwise unclassified metals classification, while SAE-AISI A8 steel belongs to the iron alloys. There are 17 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 SAE-AISI A8 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
190
Poisson's Ratio 0.26
0.29
Shear Modulus, GPa 84
74
Tensile Strength: Ultimate (UTS), MPa 620
700 to 1920

Thermal Properties

Latent Heat of Fusion, J/g 350
270
Specific Heat Capacity, J/kg-K 490
470
Thermal Expansion, µm/m-K 15
12

Otherwise Unclassified Properties

Base Metal Price, % relative 50
8.5
Density, g/cm3 8.0
7.9
Embodied Carbon, kg CO2/kg material 7.9
2.3
Embodied Energy, MJ/kg 110
31
Embodied Water, L/kg 350
73

Common Calculations

Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 21
25 to 68
Strength to Weight: Bending, points 20
22 to 44
Thermal Shock Resistance, points 14
22 to 62

Alloy Composition

Aluminum (Al), % 0 to 0.25
0
Carbon (C), % 0 to 0.1
0.5 to 0.6
Chromium (Cr), % 48 to 52
4.8 to 5.5
Copper (Cu), % 0
0 to 0.25
Iron (Fe), % 0 to 1.0
88.5 to 91.9
Manganese (Mn), % 0 to 0.3
0 to 0.5
Molybdenum (Mo), % 0
1.2 to 1.7
Nickel (Ni), % 44.5 to 52
0 to 0.3
Nitrogen (N), % 0 to 0.3
0
Phosphorus (P), % 0 to 0.020
0 to 0.030
Silicon (Si), % 0 to 1.0
0.75 to 1.1
Sulfur (S), % 0 to 0.020
0 to 0.030
Titanium (Ti), % 0 to 0.5
0
Tungsten (W), % 0
1.0 to 1.5