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CC499K Bronze vs. C47000 Brass

Both CC499K bronze and C47000 brass are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 65% of their average alloy composition in common. There are 26 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is CC499K bronze and the bottom bar is C47000 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
100
Elongation at Break, % 13
36
Poisson's Ratio 0.34
0.3
Shear Modulus, GPa 41
40
Tensile Strength: Ultimate (UTS), MPa 260
380
Tensile Strength: Yield (Proof), MPa 120
150

Thermal Properties

Latent Heat of Fusion, J/g 190
170
Maximum Temperature: Mechanical, °C 170
120
Melting Completion (Liquidus), °C 1000
900
Melting Onset (Solidus), °C 920
890
Specific Heat Capacity, J/kg-K 370
390
Thermal Conductivity, W/m-K 73
120
Thermal Expansion, µm/m-K 18
21

Otherwise Unclassified Properties

Base Metal Price, % relative 32
23
Density, g/cm3 8.8
8.0
Embodied Carbon, kg CO2/kg material 3.1
2.7
Embodied Energy, MJ/kg 51
47
Embodied Water, L/kg 350
330

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 27
110
Resilience: Unit (Modulus of Resilience), kJ/m3 65
100
Stiffness to Weight: Axial, points 6.9
7.2
Stiffness to Weight: Bending, points 18
20
Strength to Weight: Axial, points 8.1
13
Strength to Weight: Bending, points 10
15
Thermal Diffusivity, mm2/s 22
38
Thermal Shock Resistance, points 9.2
13

Alloy Composition

Aluminum (Al), % 0 to 0.010
0 to 0.010
Antimony (Sb), % 0 to 0.1
0
Arsenic (As), % 0 to 0.030
0
Bismuth (Bi), % 0 to 0.020
0
Cadmium (Cd), % 0 to 0.020
0
Chromium (Cr), % 0 to 0.020
0
Copper (Cu), % 84 to 88
57 to 61
Iron (Fe), % 0 to 0.3
0
Lead (Pb), % 0 to 3.0
0 to 0.050
Nickel (Ni), % 0 to 0.6
0
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 0.010
0
Sulfur (S), % 0 to 0.040
0
Tin (Sn), % 4.0 to 6.0
0.25 to 1.0
Zinc (Zn), % 4.0 to 6.0
37.5 to 42.8
Residuals, % 0
0 to 0.4