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CR024A Copper vs. SAE-AISI D7 Steel

CR024A copper belongs to the copper alloys classification, while SAE-AISI D7 steel belongs to the iron alloys. There are 21 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is CR024A copper and the bottom bar is SAE-AISI D7 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
190
Poisson's Ratio 0.34
0.28
Shear Modulus, GPa 43
73
Tensile Strength: Ultimate (UTS), MPa 230
800 to 2120

Thermal Properties

Latent Heat of Fusion, J/g 210
270
Melting Completion (Liquidus), °C 1090
1440
Melting Onset (Solidus), °C 1040
1400
Specific Heat Capacity, J/kg-K 390
480
Thermal Conductivity, W/m-K 370
27
Thermal Expansion, µm/m-K 17
11

Otherwise Unclassified Properties

Base Metal Price, % relative 31
10
Density, g/cm3 9.0
7.6
Embodied Carbon, kg CO2/kg material 2.6
11
Embodied Energy, MJ/kg 41
180
Embodied Water, L/kg 320
130

Common Calculations

Stiffness to Weight: Axial, points 7.2
14
Stiffness to Weight: Bending, points 18
25
Strength to Weight: Axial, points 7.1
29 to 78
Strength to Weight: Bending, points 9.3
25 to 48
Thermal Diffusivity, mm2/s 110
7.4
Thermal Shock Resistance, points 8.1
27 to 72

Alloy Composition

Carbon (C), % 0
2.2 to 2.5
Chromium (Cr), % 0
11.5 to 13.5
Copper (Cu), % 99.9 to 99.985
0 to 0.25
Iron (Fe), % 0
76.6 to 81.9
Manganese (Mn), % 0
0 to 0.6
Molybdenum (Mo), % 0
0.7 to 1.2
Nickel (Ni), % 0
0 to 0.3
Phosphorus (P), % 0.015 to 0.040
0 to 0.030
Silicon (Si), % 0
0 to 0.6
Silver (Ag), % 0 to 0.015
0
Sulfur (S), % 0
0 to 0.030
Vanadium (V), % 0
3.8 to 4.4