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SAE-AISI H42 Steel vs. 50Cr-50Ni Alloy

SAE-AISI H42 steel belongs to the iron alloys classification, while 50Cr-50Ni 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 H42 steel and the bottom bar is 50Cr-50Ni 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 700 to 1980
620

Thermal Properties

Latent Heat of Fusion, J/g 260
350
Specific Heat Capacity, J/kg-K 440
490
Thermal Expansion, µm/m-K 12
15

Otherwise Unclassified Properties

Base Metal Price, % relative 24
50
Density, g/cm3 8.4
8.0
Embodied Carbon, kg CO2/kg material 8.8
7.9
Embodied Energy, MJ/kg 130
110
Embodied Water, L/kg 98
350

Common Calculations

Stiffness to Weight: Axial, points 13
15
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 23 to 65
21
Strength to Weight: Bending, points 21 to 42
20
Thermal Shock Resistance, points 20 to 57
14

Alloy Composition

Aluminum (Al), % 0
0 to 0.25
Carbon (C), % 0.55 to 0.7
0 to 0.1
Chromium (Cr), % 3.8 to 4.5
48 to 52
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 79.3 to 83.8
0 to 1.0
Manganese (Mn), % 0.15 to 0.4
0 to 0.3
Molybdenum (Mo), % 4.5 to 5.5
0
Nickel (Ni), % 0 to 0.3
44.5 to 52
Nitrogen (N), % 0
0 to 0.3
Phosphorus (P), % 0 to 0.030
0 to 0.020
Silicon (Si), % 0
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.020
Titanium (Ti), % 0
0 to 0.5
Tungsten (W), % 5.5 to 6.8
0
Vanadium (V), % 1.8 to 2.2
0