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SAE-AISI H42 Steel vs. C71580 Copper-nickel

SAE-AISI H42 steel belongs to the iron alloys classification, while C71580 copper-nickel belongs to the copper alloys. There are 21 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI H42 steel and the bottom bar is C71580 copper-nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
140
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 77
51
Tensile Strength: Ultimate (UTS), MPa 700 to 1980
330

Thermal Properties

Latent Heat of Fusion, J/g 260
230
Melting Completion (Liquidus), °C 1620
1180
Melting Onset (Solidus), °C 1570
1120
Specific Heat Capacity, J/kg-K 440
400
Thermal Conductivity, W/m-K 24
39
Thermal Expansion, µm/m-K 12
15

Otherwise Unclassified Properties

Base Metal Price, % relative 24
41
Density, g/cm3 8.4
8.9
Embodied Carbon, kg CO2/kg material 8.8
5.1
Embodied Energy, MJ/kg 130
74
Embodied Water, L/kg 98
280

Common Calculations

Stiffness to Weight: Axial, points 13
8.5
Stiffness to Weight: Bending, points 23
19
Strength to Weight: Axial, points 23 to 65
10
Strength to Weight: Bending, points 21 to 42
12
Thermal Diffusivity, mm2/s 6.5
11
Thermal Shock Resistance, points 20 to 57
11

Alloy Composition

Carbon (C), % 0.55 to 0.7
0 to 0.070
Chromium (Cr), % 3.8 to 4.5
0
Copper (Cu), % 0 to 0.25
65.5 to 71
Iron (Fe), % 79.3 to 83.8
0 to 0.5
Lead (Pb), % 0
0 to 0.050
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
29 to 33
Phosphorus (P), % 0 to 0.030
0
Sulfur (S), % 0 to 0.030
0
Tungsten (W), % 5.5 to 6.8
0
Vanadium (V), % 1.8 to 2.2
0
Zinc (Zn), % 0
0 to 0.050
Residuals, % 0
0 to 0.5