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50Cr-50Ni Alloy vs. SAE-AISI 1140 Steel

50Cr-50Ni alloy belongs to the otherwise unclassified metals classification, while SAE-AISI 1140 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 SAE-AISI 1140 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
190
Elongation at Break, % 5.7
14 to 18
Poisson's Ratio 0.26
0.29
Shear Modulus, GPa 84
72
Tensile Strength: Ultimate (UTS), MPa 620
600 to 700
Tensile Strength: Yield (Proof), MPa 390
340 to 570

Thermal Properties

Latent Heat of Fusion, J/g 350
250
Specific Heat Capacity, J/kg-K 490
470
Thermal Expansion, µm/m-K 15
13

Otherwise Unclassified Properties

Base Metal Price, % relative 50
1.8
Density, g/cm3 8.0
7.8
Embodied Carbon, kg CO2/kg material 7.9
1.4
Embodied Energy, MJ/kg 110
18
Embodied Water, L/kg 350
46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 31
89 to 93
Resilience: Unit (Modulus of Resilience), kJ/m3 350
310 to 870
Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 21
21 to 25
Strength to Weight: Bending, points 20
20 to 22
Thermal Shock Resistance, points 14
18 to 21

Alloy Composition

Aluminum (Al), % 0 to 0.25
0
Carbon (C), % 0 to 0.1
0.37 to 0.44
Chromium (Cr), % 48 to 52
0
Iron (Fe), % 0 to 1.0
98.4 to 98.9
Manganese (Mn), % 0 to 0.3
0.7 to 1.0
Nickel (Ni), % 44.5 to 52
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
Sulfur (S), % 0 to 0.020
0.080 to 0.13
Titanium (Ti), % 0 to 0.5
0