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50Cr-50Ni Alloy vs. ACI-ASTM CN7M Steel

50Cr-50Ni alloy belongs to the otherwise unclassified metals classification, while ACI-ASTM CN7M steel belongs to the iron alloys. They have 51% of their average alloy composition in common. 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 CN7M steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
200
Elongation at Break, % 5.7
44
Poisson's Ratio 0.26
0.28
Shear Modulus, GPa 84
77
Tensile Strength: Ultimate (UTS), MPa 620
480
Tensile Strength: Yield (Proof), MPa 390
200

Thermal Properties

Latent Heat of Fusion, J/g 350
310
Specific Heat Capacity, J/kg-K 490
470
Thermal Expansion, µm/m-K 15
15

Otherwise Unclassified Properties

Base Metal Price, % relative 50
32
Density, g/cm3 8.0
8.1
Embodied Carbon, kg CO2/kg material 7.9
5.6
Embodied Energy, MJ/kg 110
78
Embodied Water, L/kg 350
210

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 31
170
Resilience: Unit (Modulus of Resilience), kJ/m3 350
110
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 21
17
Strength to Weight: Bending, points 20
17
Thermal Shock Resistance, points 14
12

Alloy Composition

Aluminum (Al), % 0 to 0.25
0
Carbon (C), % 0 to 0.1
0 to 0.070
Chromium (Cr), % 48 to 52
19 to 22
Copper (Cu), % 0
3.0 to 4.0
Iron (Fe), % 0 to 1.0
37.4 to 48.5
Manganese (Mn), % 0 to 0.3
0 to 1.5
Molybdenum (Mo), % 0
2.0 to 3.0
Nickel (Ni), % 44.5 to 52
27.5 to 30.5
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