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SAE-AISI M41 Steel vs. 50Cr-50Ni-Cb Alloy

SAE-AISI M41 steel belongs to the iron alloys classification, while 50Cr-50Ni-Cb alloy belongs to the otherwise unclassified metals. 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 SAE-AISI M41 steel and the bottom bar is 50Cr-50Ni-Cb alloy.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
210
Poisson's Ratio 0.29
0.26
Shear Modulus, GPa 77
84
Tensile Strength: Ultimate (UTS), MPa 800 to 2290
620

Thermal Properties

Latent Heat of Fusion, J/g 260
350
Specific Heat Capacity, J/kg-K 440
480
Thermal Expansion, µm/m-K 12
15

Otherwise Unclassified Properties

Base Metal Price, % relative 33
60
Density, g/cm3 8.4
8.0
Embodied Carbon, kg CO2/kg material 9.1
9.2
Embodied Energy, MJ/kg 140
130
Embodied Water, L/kg 120
350

Common Calculations

Stiffness to Weight: Axial, points 13
15
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 26 to 76
21
Strength to Weight: Bending, points 23 to 46
20
Thermal Shock Resistance, points 25 to 71
14

Alloy Composition

Aluminum (Al), % 0
0 to 0.25
Carbon (C), % 1.1 to 1.2
0 to 0.1
Chromium (Cr), % 3.8 to 4.5
47 to 52
Cobalt (Co), % 4.8 to 5.8
0
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 73.4 to 78.9
0 to 1.0
Manganese (Mn), % 0.2 to 0.6
0 to 0.3
Molybdenum (Mo), % 3.3 to 4.3
0
Nickel (Ni), % 0 to 0.3
43.3 to 51.6
Niobium (Nb), % 0
1.4 to 1.7
Nitrogen (N), % 0
0 to 0.16
Phosphorus (P), % 0 to 0.030
0 to 0.020
Silicon (Si), % 0.15 to 0.5
0 to 0.5
Sulfur (S), % 0 to 0.030
0 to 0.020
Titanium (Ti), % 0
0 to 0.5
Tungsten (W), % 6.3 to 7.0
0
Vanadium (V), % 1.8 to 2.3
0