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SAE-AISI H42 Steel vs. C72500 Copper-nickel

SAE-AISI H42 steel belongs to the iron alloys classification, while C72500 copper-nickel belongs to the copper alloys. There are 21 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI H42 steel and the bottom bar is C72500 copper-nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
120
Poisson's Ratio 0.29
0.34
Shear Modulus, GPa 77
45
Tensile Strength: Ultimate (UTS), MPa 700 to 1980
420 to 780

Thermal Properties

Latent Heat of Fusion, J/g 260
210
Melting Completion (Liquidus), °C 1620
1130
Melting Onset (Solidus), °C 1570
1060
Specific Heat Capacity, J/kg-K 440
390
Thermal Conductivity, W/m-K 24
54
Thermal Expansion, µm/m-K 12
17

Otherwise Unclassified Properties

Base Metal Price, % relative 24
35
Density, g/cm3 8.4
8.9
Embodied Carbon, kg CO2/kg material 8.8
3.6
Embodied Energy, MJ/kg 130
55
Embodied Water, L/kg 98
320

Common Calculations

Stiffness to Weight: Axial, points 13
7.6
Stiffness to Weight: Bending, points 23
19
Strength to Weight: Axial, points 23 to 65
13 to 24
Strength to Weight: Bending, points 21 to 42
14 to 21
Thermal Diffusivity, mm2/s 6.5
16
Thermal Shock Resistance, points 20 to 57
14 to 27

Alloy Composition

Carbon (C), % 0.55 to 0.7
0
Chromium (Cr), % 3.8 to 4.5
0
Copper (Cu), % 0 to 0.25
85.2 to 89.7
Iron (Fe), % 79.3 to 83.8
0 to 0.6
Lead (Pb), % 0
0 to 0.050
Manganese (Mn), % 0.15 to 0.4
0 to 0.2
Molybdenum (Mo), % 4.5 to 5.5
0
Nickel (Ni), % 0 to 0.3
8.5 to 10.5
Phosphorus (P), % 0 to 0.030
0
Sulfur (S), % 0 to 0.030
0
Tin (Sn), % 0
1.8 to 2.8
Tungsten (W), % 5.5 to 6.8
0
Vanadium (V), % 1.8 to 2.2
0
Zinc (Zn), % 0
0 to 0.5
Residuals, % 0
0 to 0.2