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C68300 Brass vs. C99300 Copper

Both C68300 brass and C99300 copper are copper alloys. They have 61% of their average alloy composition in common. There are 26 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is C68300 brass and the bottom bar is C99300 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
120
Elongation at Break, % 15
2.0
Poisson's Ratio 0.31
0.33
Shear Modulus, GPa 40
46
Tensile Strength: Ultimate (UTS), MPa 430
660
Tensile Strength: Yield (Proof), MPa 260
380

Thermal Properties

Latent Heat of Fusion, J/g 180
240
Maximum Temperature: Mechanical, °C 120
250
Melting Completion (Liquidus), °C 900
1080
Melting Onset (Solidus), °C 890
1070
Specific Heat Capacity, J/kg-K 390
450
Thermal Conductivity, W/m-K 120
43
Thermal Expansion, µm/m-K 20
17

Otherwise Unclassified Properties

Base Metal Price, % relative 23
35
Density, g/cm3 8.0
8.2
Embodied Carbon, kg CO2/kg material 2.8
4.5
Embodied Energy, MJ/kg 46
70
Embodied Water, L/kg 340
400

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 56
11
Resilience: Unit (Modulus of Resilience), kJ/m3 330
590
Stiffness to Weight: Axial, points 7.3
8.3
Stiffness to Weight: Bending, points 20
20
Strength to Weight: Axial, points 15
22
Strength to Weight: Bending, points 16
20
Thermal Diffusivity, mm2/s 38
12
Thermal Shock Resistance, points 14
22

Alloy Composition

Aluminum (Al), % 0
10.7 to 11.5
Antimony (Sb), % 0.3 to 1.0
0
Cadmium (Cd), % 0 to 0.010
0
Cobalt (Co), % 0
1.0 to 2.0
Copper (Cu), % 59 to 63
68.6 to 74.4
Iron (Fe), % 0
0.4 to 1.0
Lead (Pb), % 0 to 0.090
0 to 0.020
Nickel (Ni), % 0
13.5 to 16.5
Silicon (Si), % 0.3 to 1.0
0 to 0.020
Tin (Sn), % 0.050 to 0.2
0 to 0.050
Zinc (Zn), % 34.2 to 40.4
0
Residuals, % 0
0 to 0.3