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50Cr-50Ni-Cb Alloy vs. Grade 250 Maraging Steel

50Cr-50Ni-Cb alloy belongs to the otherwise unclassified metals classification, while grade 250 maraging steel belongs to the iron alloys. There are 20 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is 50Cr-50Ni-Cb alloy and the bottom bar is grade 250 maraging steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
190
Elongation at Break, % 5.6
7.3 to 17
Poisson's Ratio 0.26
0.3
Shear Modulus, GPa 84
75
Tensile Strength: Ultimate (UTS), MPa 620
970 to 1800
Tensile Strength: Yield (Proof), MPa 390
660 to 1740

Thermal Properties

Latent Heat of Fusion, J/g 350
270
Specific Heat Capacity, J/kg-K 480
450
Thermal Expansion, µm/m-K 15
12

Otherwise Unclassified Properties

Base Metal Price, % relative 60
32
Density, g/cm3 8.0
8.2
Embodied Carbon, kg CO2/kg material 9.2
4.9
Embodied Energy, MJ/kg 130
65
Embodied Water, L/kg 350
140

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 30
130 to 150
Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 25
23
Strength to Weight: Axial, points 21
33 to 61
Strength to Weight: Bending, points 20
26 to 40
Thermal Shock Resistance, points 14
29 to 54

Alloy Composition

Aluminum (Al), % 0 to 0.25
0.050 to 0.15
Boron (B), % 0
0 to 0.0030
Calcium (Ca), % 0
0 to 0.050
Carbon (C), % 0 to 0.1
0 to 0.030
Chromium (Cr), % 47 to 52
0
Cobalt (Co), % 0
7.0 to 8.5
Iron (Fe), % 0 to 1.0
66.3 to 71.1
Manganese (Mn), % 0 to 0.3
0 to 0.1
Molybdenum (Mo), % 0
4.6 to 5.2
Nickel (Ni), % 43.3 to 51.6
17 to 19
Niobium (Nb), % 1.4 to 1.7
0
Nitrogen (N), % 0 to 0.16
0
Phosphorus (P), % 0 to 0.020
0 to 0.010
Silicon (Si), % 0 to 0.5
0 to 0.1
Sulfur (S), % 0 to 0.020
0 to 0.010
Titanium (Ti), % 0 to 0.5
0.3 to 0.5
Zirconium (Zr), % 0
0 to 0.020