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CR019A Copper vs. C47940 Brass

Both CR019A copper and C47940 brass are copper alloys. They have 65% of their average alloy composition in common. There are 26 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 CR019A copper and the bottom bar is C47940 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
100
Elongation at Break, % 15
14 to 34
Poisson's Ratio 0.34
0.31
Shear Modulus, GPa 43
40
Tensile Strength: Ultimate (UTS), MPa 220
380 to 520
Tensile Strength: Yield (Proof), MPa 130
160 to 390

Thermal Properties

Latent Heat of Fusion, J/g 210
170
Maximum Temperature: Mechanical, °C 200
130
Melting Completion (Liquidus), °C 1090
850
Melting Onset (Solidus), °C 1040
800
Specific Heat Capacity, J/kg-K 390
380
Thermal Conductivity, W/m-K 390
110
Thermal Expansion, µm/m-K 17
20

Otherwise Unclassified Properties

Base Metal Price, % relative 35
25
Density, g/cm3 9.0
8.2
Embodied Carbon, kg CO2/kg material 2.7
2.8
Embodied Energy, MJ/kg 42
47
Embodied Water, L/kg 390
330

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 29
68 to 100
Resilience: Unit (Modulus of Resilience), kJ/m3 76
120 to 740
Stiffness to Weight: Axial, points 7.2
7.1
Stiffness to Weight: Bending, points 18
19
Strength to Weight: Axial, points 6.8
13 to 17
Strength to Weight: Bending, points 9.0
14 to 17
Thermal Diffusivity, mm2/s 110
36
Thermal Shock Resistance, points 7.8
13 to 17

Alloy Composition


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Bismuth (Bi), % 0 to 0.00050
0
Copper (Cu), % 99.874 to 99.92
63 to 66
Iron (Fe), % 0
0.1 to 1.0
Lead (Pb), % 0
1.0 to 2.0
Nickel (Ni), % 0
0.1 to 0.5
Silver (Ag), % 0.080 to 0.12
0
Tin (Sn), % 0
1.2 to 2.0
Zinc (Zn), % 0
28.1 to 34.6
Residuals, % 0
0 to 0.4