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50Cr-50Ni-Cb Alloy vs. ACI-ASTM CA40F Steel

50Cr-50Ni-Cb alloy belongs to the otherwise unclassified metals classification, while ACI-ASTM CA40F 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-Cb alloy and the bottom bar is ACI-ASTM CA40F steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
190
Elongation at Break, % 5.6
13
Poisson's Ratio 0.26
0.28
Shear Modulus, GPa 84
76
Tensile Strength: Ultimate (UTS), MPa 620
770
Tensile Strength: Yield (Proof), MPa 390
550

Thermal Properties

Latent Heat of Fusion, J/g 350
280
Specific Heat Capacity, J/kg-K 480
480
Thermal Expansion, µm/m-K 15
10

Otherwise Unclassified Properties

Base Metal Price, % relative 60
7.5
Density, g/cm3 8.0
7.7
Embodied Carbon, kg CO2/kg material 9.2
2.0
Embodied Energy, MJ/kg 130
28
Embodied Water, L/kg 350
100

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 30
94
Resilience: Unit (Modulus of Resilience), kJ/m3 370
790
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 21
28
Strength to Weight: Bending, points 20
24
Thermal Shock Resistance, points 14
28

Alloy Composition

Aluminum (Al), % 0 to 0.25
0
Carbon (C), % 0 to 0.1
0.2 to 0.4
Chromium (Cr), % 47 to 52
11.5 to 14
Iron (Fe), % 0 to 1.0
81.6 to 88.3
Manganese (Mn), % 0 to 0.3
0 to 1.0
Molybdenum (Mo), % 0
0 to 0.5
Nickel (Ni), % 43.3 to 51.6
0 to 1.0
Niobium (Nb), % 1.4 to 1.7
0
Nitrogen (N), % 0 to 0.16
0
Phosphorus (P), % 0 to 0.020
0 to 0.040
Silicon (Si), % 0 to 0.5
0 to 1.5
Sulfur (S), % 0 to 0.020
0.2 to 0.4
Titanium (Ti), % 0 to 0.5
0