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C32000 Brass vs. CR025A Copper

Both C32000 brass and CR025A copper 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 C32000 brass and the bottom bar is CR025A copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
120
Elongation at Break, % 6.8 to 29
15
Poisson's Ratio 0.33
0.34
Shear Modulus, GPa 41
43
Tensile Strength: Ultimate (UTS), MPa 270 to 470
230
Tensile Strength: Yield (Proof), MPa 78 to 390
140

Thermal Properties

Latent Heat of Fusion, J/g 190
210
Maximum Temperature: Mechanical, °C 170
200
Melting Completion (Liquidus), °C 1020
1090
Melting Onset (Solidus), °C 990
1040
Specific Heat Capacity, J/kg-K 380
390
Thermal Conductivity, W/m-K 160
370
Thermal Expansion, µm/m-K 19
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 36
99
Electrical Conductivity: Equal Weight (Specific), % IACS 37
99

Otherwise Unclassified Properties

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

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 30 to 59
31
Resilience: Unit (Modulus of Resilience), kJ/m3 28 to 680
83
Stiffness to Weight: Axial, points 7.1
7.2
Stiffness to Weight: Bending, points 18
18
Strength to Weight: Axial, points 8.8 to 15
7.1
Strength to Weight: Bending, points 11 to 16
9.3
Thermal Diffusivity, mm2/s 47
110
Thermal Shock Resistance, points 9.5 to 16
8.1

Alloy Composition

Bismuth (Bi), % 0
0 to 0.00050
Copper (Cu), % 83.5 to 86.5
99.9 to 99.96
Iron (Fe), % 0 to 0.1
0
Lead (Pb), % 1.5 to 2.2
0 to 0.0050
Nickel (Ni), % 0 to 0.25
0
Phosphorus (P), % 0
0.040 to 0.060
Silver (Ag), % 0
0 to 0.015
Zinc (Zn), % 10.6 to 15
0
Residuals, % 0 to 0.4
0