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CR011A Copper vs. SAE-AISI D7 Steel

CR011A 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 CR011A 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 220
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 390
27
Thermal Expansion, µm/m-K 17
11

Otherwise Unclassified Properties

Base Metal Price, % relative 32
10
Density, g/cm3 9.0
7.6
Embodied Carbon, kg CO2/kg material 2.6
11
Embodied Energy, MJ/kg 42
180
Embodied Water, L/kg 340
130

Common Calculations

Stiffness to Weight: Axial, points 7.2
14
Stiffness to Weight: Bending, points 18
25
Strength to Weight: Axial, points 6.8
29 to 78
Strength to Weight: Bending, points 9.0
25 to 48
Thermal Diffusivity, mm2/s 110
7.4
Thermal Shock Resistance, points 7.8
27 to 72

Alloy Composition

Bismuth (Bi), % 0 to 0.00050
0
Carbon (C), % 0
2.2 to 2.5
Chromium (Cr), % 0
11.5 to 13.5
Copper (Cu), % 99.88 to 99.97
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
Oxygen (O), % 0 to 0.040
0
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0
0 to 0.6
Silver (Ag), % 0.030 to 0.050
0
Sulfur (S), % 0
0 to 0.030
Vanadium (V), % 0
3.8 to 4.4