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CR021A Copper vs. SAE-AISI D4 Steel

CR021A copper belongs to the copper alloys classification, while SAE-AISI D4 steel belongs to the iron alloys. There are 26 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is CR021A copper and the bottom bar is SAE-AISI D4 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
190
Elongation at Break, % 15
8.4 to 15
Poisson's Ratio 0.34
0.28
Shear Modulus, GPa 43
74
Tensile Strength: Ultimate (UTS), MPa 230
760 to 2060
Tensile Strength: Yield (Proof), MPa 140
470 to 1540

Thermal Properties

Latent Heat of Fusion, J/g 210
270
Melting Completion (Liquidus), °C 1090
1430
Melting Onset (Solidus), °C 1040
1380
Specific Heat Capacity, J/kg-K 390
480
Thermal Conductivity, W/m-K 380
31
Thermal Expansion, µm/m-K 17
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 98
4.2
Electrical Conductivity: Equal Weight (Specific), % IACS 99
5.0

Otherwise Unclassified Properties

Base Metal Price, % relative 31
8.0
Density, g/cm3 9.0
7.7
Embodied Carbon, kg CO2/kg material 2.6
3.3
Embodied Energy, MJ/kg 41
49
Embodied Water, L/kg 320
100

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 31
100 to 160
Stiffness to Weight: Axial, points 7.2
14
Stiffness to Weight: Bending, points 18
25
Strength to Weight: Axial, points 7.1
27 to 75
Strength to Weight: Bending, points 9.3
24 to 47
Thermal Diffusivity, mm2/s 110
8.3
Thermal Shock Resistance, points 8.1
23 to 63

Alloy Composition

Bismuth (Bi), % 0 to 0.00050
0
Carbon (C), % 0
2.1 to 2.4
Chromium (Cr), % 0
11 to 13
Copper (Cu), % 99.95 to 99.998
0 to 0.25
Iron (Fe), % 0
80.6 to 86.3
Lead (Pb), % 0 to 0.0050
0
Manganese (Mn), % 0
0 to 0.6
Molybdenum (Mo), % 0
0.7 to 1.2
Nickel (Ni), % 0
0 to 0.3
Phosphorus (P), % 0.0020 to 0.0070
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
0 to 1.0