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C68300 Brass vs. C99500 Copper

Both C68300 brass and C99500 copper are copper alloys. They have 63% 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 C68300 brass and the bottom bar is C99500 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
120
Elongation at Break, % 15
13
Poisson's Ratio 0.31
0.34
Shear Modulus, GPa 40
45
Tensile Strength: Ultimate (UTS), MPa 430
540
Tensile Strength: Yield (Proof), MPa 260
310

Thermal Properties

Latent Heat of Fusion, J/g 180
240
Maximum Temperature: Mechanical, °C 120
210
Melting Completion (Liquidus), °C 900
1090
Melting Onset (Solidus), °C 890
1040
Specific Heat Capacity, J/kg-K 390
400
Thermal Expansion, µm/m-K 20
17

Otherwise Unclassified Properties

Base Metal Price, % relative 23
30
Density, g/cm3 8.0
8.7
Embodied Carbon, kg CO2/kg material 2.8
3.0
Embodied Energy, MJ/kg 46
47
Embodied Water, L/kg 340
300

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 56
63
Resilience: Unit (Modulus of Resilience), kJ/m3 330
410
Stiffness to Weight: Axial, points 7.3
7.7
Stiffness to Weight: Bending, points 20
19
Strength to Weight: Axial, points 15
17
Strength to Weight: Bending, points 16
17
Thermal Shock Resistance, points 14
19

Alloy Composition

Aluminum (Al), % 0
0.5 to 2.0
Antimony (Sb), % 0.3 to 1.0
0
Cadmium (Cd), % 0 to 0.010
0
Copper (Cu), % 59 to 63
82.5 to 92
Iron (Fe), % 0
3.0 to 5.0
Lead (Pb), % 0 to 0.090
0 to 0.25
Manganese (Mn), % 0
0 to 0.5
Nickel (Ni), % 0
3.5 to 5.5
Silicon (Si), % 0.3 to 1.0
0.5 to 2.0
Tin (Sn), % 0.050 to 0.2
0
Zinc (Zn), % 34.2 to 40.4
0.5 to 2.0
Residuals, % 0
0 to 0.3