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C42200 Brass vs. CR020A Copper

Both C42200 brass and CR020A copper 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 C42200 brass and the bottom bar is CR020A copper.

Metric UnitsUS Customary Units

Mechanical Properties

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

Thermal Properties

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

Electrical Properties

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

Otherwise Unclassified Properties

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

Common Calculations

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

Alloy Composition

Bismuth (Bi), % 0
0 to 0.00050
Copper (Cu), % 86 to 89
99.95 to 99.999
Iron (Fe), % 0 to 0.050
0
Lead (Pb), % 0 to 0.050
0 to 0.0050
Phosphorus (P), % 0 to 0.35
0.0010 to 0.0060
Silver (Ag), % 0
0 to 0.015
Tin (Sn), % 0.8 to 1.4
0
Zinc (Zn), % 8.7 to 13.2
0
Residuals, % 0 to 0.5
0