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50Cr-50Ni Alloy vs. SAE-AISI S7 Steel

50Cr-50Ni alloy belongs to the otherwise unclassified metals classification, while SAE-AISI S7 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 S7 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
670 to 2030

Thermal Properties

Latent Heat of Fusion, J/g 350
260
Specific Heat Capacity, J/kg-K 490
470
Thermal Expansion, µm/m-K 15
12

Otherwise Unclassified Properties

Base Metal Price, % relative 50
5.0
Density, g/cm3 8.0
7.8
Embodied Carbon, kg CO2/kg material 7.9
2.3
Embodied Energy, MJ/kg 110
31
Embodied Water, L/kg 350
65

Common Calculations

Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 21
24 to 72
Strength to Weight: Bending, points 20
22 to 46
Thermal Shock Resistance, points 14
22 to 66

Alloy Composition

Aluminum (Al), % 0 to 0.25
0
Carbon (C), % 0 to 0.1
0.45 to 0.55
Chromium (Cr), % 48 to 52
3.0 to 3.5
Copper (Cu), % 0
0 to 0.25
Iron (Fe), % 0 to 1.0
91.6 to 94.9
Manganese (Mn), % 0 to 0.3
0.2 to 0.9
Molybdenum (Mo), % 0
1.3 to 1.8
Nickel (Ni), % 44.5 to 52
0
Nitrogen (N), % 0 to 0.3
0
Phosphorus (P), % 0 to 0.020
0 to 0.030
Silicon (Si), % 0 to 1.0
0.2 to 1.0
Sulfur (S), % 0 to 0.020
0 to 0.030
Titanium (Ti), % 0 to 0.5
0
Vanadium (V), % 0
0 to 0.3