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50Cr-50Ni-Cb Alloy vs. SAE-AISI H21 Steel

50Cr-50Ni-Cb alloy belongs to the otherwise unclassified metals classification, while SAE-AISI H21 steel belongs to the iron alloys. There are 17 material properties with values for both materials. Properties with values for just one material (9, 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 H21 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
200
Poisson's Ratio 0.26
0.29
Shear Modulus, GPa 84
76
Tensile Strength: Ultimate (UTS), MPa 620
720 to 1790

Thermal Properties

Latent Heat of Fusion, J/g 350
250
Specific Heat Capacity, J/kg-K 480
440
Thermal Expansion, µm/m-K 15
11

Otherwise Unclassified Properties

Base Metal Price, % relative 60
23
Density, g/cm3 8.0
8.5
Embodied Carbon, kg CO2/kg material 9.2
4.5
Embodied Energy, MJ/kg 130
68
Embodied Water, L/kg 350
72

Common Calculations

Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 25
23
Strength to Weight: Axial, points 21
23 to 58
Strength to Weight: Bending, points 20
21 to 38
Thermal Shock Resistance, points 14
24 to 59

Alloy Composition

Aluminum (Al), % 0 to 0.25
0
Carbon (C), % 0 to 0.1
0.28 to 0.36
Chromium (Cr), % 47 to 52
3.0 to 3.8
Copper (Cu), % 0
0 to 0.25
Iron (Fe), % 0 to 1.0
87.6 to 93.8
Manganese (Mn), % 0 to 0.3
0.15 to 0.4
Nickel (Ni), % 43.3 to 51.6
0 to 0.3
Niobium (Nb), % 1.4 to 1.7
0
Nitrogen (N), % 0 to 0.16
0
Phosphorus (P), % 0 to 0.020
0 to 0.030
Silicon (Si), % 0 to 0.5
0.15 to 0.5
Sulfur (S), % 0 to 0.020
0 to 0.030
Titanium (Ti), % 0 to 0.5
0
Tungsten (W), % 0
8.5 to 10
Vanadium (V), % 0
0.3 to 0.6