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C35000 Brass vs. CR025A Copper

Both C35000 brass and CR025A copper are copper alloys. They have 62% of their average alloy composition in common. There are 24 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is C35000 brass and the bottom bar is CR025A copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
120
Poisson's Ratio 0.31
0.34
Shear Modulus, GPa 40
43
Tensile Strength: Ultimate (UTS), MPa 340 to 650
230

Thermal Properties

Latent Heat of Fusion, J/g 170
210
Maximum Temperature: Mechanical, °C 120
200
Melting Completion (Liquidus), °C 920
1090
Melting Onset (Solidus), °C 890
1040
Specific Heat Capacity, J/kg-K 380
390
Thermal Conductivity, W/m-K 120
370
Thermal Expansion, µm/m-K 21
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 26
99
Electrical Conductivity: Equal Weight (Specific), % IACS 29
99

Otherwise Unclassified Properties

Base Metal Price, % relative 23
31
Density, g/cm3 8.1
9.0
Embodied Carbon, kg CO2/kg material 2.7
2.6
Embodied Energy, MJ/kg 45
41
Embodied Water, L/kg 320
320

Common Calculations

Stiffness to Weight: Axial, points 7.1
7.2
Stiffness to Weight: Bending, points 19
18
Strength to Weight: Axial, points 12 to 22
7.1
Strength to Weight: Bending, points 13 to 21
9.3
Thermal Diffusivity, mm2/s 37
110
Thermal Shock Resistance, points 11 to 22
8.1

Alloy Composition

Bismuth (Bi), % 0
0 to 0.00050
Copper (Cu), % 60 to 63
99.9 to 99.96
Iron (Fe), % 0 to 0.1
0
Lead (Pb), % 0.8 to 2.0
0 to 0.0050
Phosphorus (P), % 0
0.040 to 0.060
Silver (Ag), % 0
0 to 0.015
Zinc (Zn), % 34.5 to 39.2
0
Residuals, % 0 to 0.4
0