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SAE-AISI H42 Steel vs. C70260 Copper

SAE-AISI H42 steel belongs to the iron alloys classification, while C70260 copper belongs to the copper alloys. There are 21 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 C70260 copper.

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
44
Tensile Strength: Ultimate (UTS), MPa 700 to 1980
520 to 760

Thermal Properties

Latent Heat of Fusion, J/g 260
220
Melting Completion (Liquidus), °C 1620
1060
Melting Onset (Solidus), °C 1570
1040
Specific Heat Capacity, J/kg-K 440
390
Thermal Conductivity, W/m-K 24
160
Thermal Expansion, µm/m-K 12
17

Otherwise Unclassified Properties

Base Metal Price, % relative 24
31
Density, g/cm3 8.4
8.9
Embodied Carbon, kg CO2/kg material 8.8
2.7
Embodied Energy, MJ/kg 130
43
Embodied Water, L/kg 98
310

Common Calculations

Stiffness to Weight: Axial, points 13
7.3
Stiffness to Weight: Bending, points 23
18
Strength to Weight: Axial, points 23 to 65
16 to 24
Strength to Weight: Bending, points 21 to 42
16 to 21
Thermal Diffusivity, mm2/s 6.5
45
Thermal Shock Resistance, points 20 to 57
18 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
95.8 to 98.8
Iron (Fe), % 79.3 to 83.8
0
Manganese (Mn), % 0.15 to 0.4
0
Molybdenum (Mo), % 4.5 to 5.5
0
Nickel (Ni), % 0 to 0.3
1.0 to 3.0
Phosphorus (P), % 0 to 0.030
0 to 0.010
Silicon (Si), % 0
0.2 to 0.7
Sulfur (S), % 0 to 0.030
0
Tungsten (W), % 5.5 to 6.8
0
Vanadium (V), % 1.8 to 2.2
0
Residuals, % 0
0 to 0.5