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50Cr-50Ni Alloy vs. ACI-ASTM CA6NM Steel

50Cr-50Ni alloy belongs to the otherwise unclassified metals classification, while ACI-ASTM CA6NM steel belongs to the iron alloys. There are 21 material properties with values for both materials. Properties with values for just one material (12, 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 CA6NM steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
200
Elongation at Break, % 5.7
17
Poisson's Ratio 0.26
0.28
Shear Modulus, GPa 84
76
Tensile Strength: Ultimate (UTS), MPa 620
850
Tensile Strength: Yield (Proof), MPa 390
620

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
10
Density, g/cm3 8.0
7.8
Embodied Carbon, kg CO2/kg material 7.9
2.5
Embodied Energy, MJ/kg 110
34
Embodied Water, L/kg 350
110

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 31
130
Resilience: Unit (Modulus of Resilience), kJ/m3 350
1000
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 21
30
Strength to Weight: Bending, points 20
26
Thermal Shock Resistance, points 14
31

Alloy Composition

Aluminum (Al), % 0 to 0.25
0
Carbon (C), % 0 to 0.1
0 to 0.060
Chromium (Cr), % 48 to 52
11.5 to 14
Iron (Fe), % 0 to 1.0
78.4 to 84.6
Manganese (Mn), % 0 to 0.3
0 to 1.0
Molybdenum (Mo), % 0
0.4 to 1.0
Nickel (Ni), % 44.5 to 52
3.5 to 4.5
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 1.0
Sulfur (S), % 0 to 0.020
0 to 0.030
Titanium (Ti), % 0 to 0.5
0