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50Cr-50Ni-Cb Alloy vs. SAE-AISI 1018 Steel

50Cr-50Ni-Cb alloy belongs to the otherwise unclassified metals classification, while SAE-AISI 1018 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 SAE-AISI 1018 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
190
Elongation at Break, % 5.6
17 to 27
Poisson's Ratio 0.26
0.29
Shear Modulus, GPa 84
73
Tensile Strength: Ultimate (UTS), MPa 620
430 to 480
Tensile Strength: Yield (Proof), MPa 390
240 to 400

Thermal Properties

Latent Heat of Fusion, J/g 350
250
Specific Heat Capacity, J/kg-K 480
470
Thermal Expansion, µm/m-K 15
12

Otherwise Unclassified Properties

Base Metal Price, % relative 60
1.8
Density, g/cm3 8.0
7.9
Embodied Carbon, kg CO2/kg material 9.2
1.4
Embodied Energy, MJ/kg 130
18
Embodied Water, L/kg 350
46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 30
75 to 100
Resilience: Unit (Modulus of Resilience), kJ/m3 370
150 to 430
Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 21
15 to 17
Strength to Weight: Bending, points 20
16 to 17
Thermal Shock Resistance, points 14
14 to 15

Alloy Composition

Aluminum (Al), % 0 to 0.25
0
Carbon (C), % 0 to 0.1
0.15 to 0.2
Chromium (Cr), % 47 to 52
0
Iron (Fe), % 0 to 1.0
98.8 to 99.25
Manganese (Mn), % 0 to 0.3
0.6 to 0.9
Nickel (Ni), % 43.3 to 51.6
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
Sulfur (S), % 0 to 0.020
0 to 0.050
Titanium (Ti), % 0 to 0.5
0