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C81500 Copper vs. C35300 Brass

Both C81500 copper and C35300 brass 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 (7, in this case) are not shown.

For each property being compared, the top bar is C81500 copper and the bottom bar is C35300 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
100
Poisson's Ratio 0.34
0.31
Shear Modulus, GPa 44
39
Tensile Strength: Ultimate (UTS), MPa 350
340 to 650

Thermal Properties

Latent Heat of Fusion, J/g 210
170
Maximum Temperature: Mechanical, °C 200
120
Melting Completion (Liquidus), °C 1090
910
Melting Onset (Solidus), °C 1080
890
Specific Heat Capacity, J/kg-K 390
380
Thermal Conductivity, W/m-K 320
120
Thermal Expansion, µm/m-K 17
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 82
26
Electrical Conductivity: Equal Weight (Specific), % IACS 83
29

Otherwise Unclassified Properties

Base Metal Price, % relative 31
23
Density, g/cm3 8.9
8.1
Embodied Carbon, kg CO2/kg material 2.6
2.6
Embodied Energy, MJ/kg 41
45
Embodied Water, L/kg 310
320

Common Calculations

Stiffness to Weight: Axial, points 7.3
7.1
Stiffness to Weight: Bending, points 18
19
Strength to Weight: Axial, points 11
12 to 22
Strength to Weight: Bending, points 12
13 to 21
Thermal Diffusivity, mm2/s 91
38
Thermal Shock Resistance, points 12
11 to 22

Alloy Composition

Aluminum (Al), % 0 to 0.1
0
Chromium (Cr), % 0.4 to 1.5
0
Copper (Cu), % 97.4 to 99.6
60 to 63
Iron (Fe), % 0 to 0.1
0 to 0.1
Lead (Pb), % 0 to 0.020
1.5 to 2.5
Silicon (Si), % 0 to 0.15
0
Tin (Sn), % 0 to 0.1
0
Zinc (Zn), % 0 to 0.1
33.9 to 38.5
Residuals, % 0 to 0.5
0 to 0.5