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CR008A Copper vs. C42200 Brass

Both CR008A copper and C42200 brass are copper alloys. They have 88% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is CR008A copper and the bottom bar is C42200 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
110
Elongation at Break, % 15
2.0 to 46
Poisson's Ratio 0.34
0.33
Shear Modulus, GPa 43
42
Tensile Strength: Ultimate (UTS), MPa 220
300 to 610
Tensile Strength: Yield (Proof), MPa 130
100 to 570

Thermal Properties

Latent Heat of Fusion, J/g 210
200
Maximum Temperature: Mechanical, °C 200
170
Melting Completion (Liquidus), °C 1090
1040
Melting Onset (Solidus), °C 1040
1020
Specific Heat Capacity, J/kg-K 390
380
Thermal Conductivity, W/m-K 380
130
Thermal Expansion, µm/m-K 17
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 100
31
Electrical Conductivity: Equal Weight (Specific), % IACS 100
32

Otherwise Unclassified Properties

Base Metal Price, % relative 31
29
Density, g/cm3 9.0
8.6
Embodied Carbon, kg CO2/kg material 2.6
2.7
Embodied Energy, MJ/kg 41
44
Embodied Water, L/kg 320
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 29
12 to 110
Resilience: Unit (Modulus of Resilience), kJ/m3 76
49 to 1460
Stiffness to Weight: Axial, points 7.2
7.2
Stiffness to Weight: Bending, points 18
19
Strength to Weight: Axial, points 6.8
9.5 to 19
Strength to Weight: Bending, points 9.0
11 to 18
Thermal Diffusivity, mm2/s 110
39
Thermal Shock Resistance, points 7.8
10 to 21

Alloy Composition

Bismuth (Bi), % 0 to 0.00050
0
Copper (Cu), % 99.95 to 100
86 to 89
Iron (Fe), % 0
0 to 0.050
Lead (Pb), % 0 to 0.0050
0 to 0.050
Phosphorus (P), % 0
0 to 0.35
Silver (Ag), % 0 to 0.015
0
Tin (Sn), % 0
0.8 to 1.4
Zinc (Zn), % 0
8.7 to 13.2
Residuals, % 0
0 to 0.5