MakeItFrom.com
Menu (ESC)

CR004A Copper vs. C32000 Brass

Both CR004A copper and C32000 brass are copper alloys. They have 85% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is CR004A copper and the bottom bar is C32000 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
110
Elongation at Break, % 15
6.8 to 29
Poisson's Ratio 0.34
0.33
Shear Modulus, GPa 43
41
Tensile Strength: Ultimate (UTS), MPa 220
270 to 470
Tensile Strength: Yield (Proof), MPa 130
78 to 390

Thermal Properties

Latent Heat of Fusion, J/g 210
190
Maximum Temperature: Mechanical, °C 200
170
Melting Completion (Liquidus), °C 1090
1020
Melting Onset (Solidus), °C 1040
990
Specific Heat Capacity, J/kg-K 390
380
Thermal Conductivity, W/m-K 380
160
Thermal Expansion, µm/m-K 17
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 100
36
Electrical Conductivity: Equal Weight (Specific), % IACS 100
37

Otherwise Unclassified Properties

Base Metal Price, % relative 31
28
Density, g/cm3 9.0
8.7
Embodied Carbon, kg CO2/kg material 2.6
2.6
Embodied Energy, MJ/kg 41
42
Embodied Water, L/kg 320
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 29
30 to 59
Resilience: Unit (Modulus of Resilience), kJ/m3 76
28 to 680
Stiffness to Weight: Axial, points 7.2
7.1
Stiffness to Weight: Bending, points 18
18
Strength to Weight: Axial, points 6.8
8.8 to 15
Strength to Weight: Bending, points 9.0
11 to 16
Thermal Diffusivity, mm2/s 110
47
Thermal Shock Resistance, points 7.8
9.5 to 16

Alloy Composition

Bismuth (Bi), % 0 to 0.00050
0
Copper (Cu), % 99.9 to 100
83.5 to 86.5
Iron (Fe), % 0
0 to 0.1
Lead (Pb), % 0 to 0.0050
1.5 to 2.2
Nickel (Ni), % 0
0 to 0.25
Oxygen (O), % 0 to 0.040
0
Silver (Ag), % 0 to 0.015
0
Zinc (Zn), % 0
10.6 to 15
Residuals, % 0
0 to 0.4