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CC497K Bronze vs. C85700 Brass

Both CC497K bronze and C85700 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 28 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is CC497K bronze and the bottom bar is C85700 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 93
100
Elongation at Break, % 6.7
17
Poisson's Ratio 0.36
0.31
Shear Modulus, GPa 34
40
Tensile Strength: Ultimate (UTS), MPa 190
310
Tensile Strength: Yield (Proof), MPa 91
110

Thermal Properties

Latent Heat of Fusion, J/g 160
170
Maximum Temperature: Mechanical, °C 130
120
Melting Completion (Liquidus), °C 870
940
Melting Onset (Solidus), °C 800
910
Specific Heat Capacity, J/kg-K 330
380
Thermal Conductivity, W/m-K 53
84
Thermal Expansion, µm/m-K 20
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 9.0
22
Electrical Conductivity: Equal Weight (Specific), % IACS 8.7
25

Otherwise Unclassified Properties

Base Metal Price, % relative 29
24
Density, g/cm3 9.3
8.0
Embodied Carbon, kg CO2/kg material 3.0
2.8
Embodied Energy, MJ/kg 48
47
Embodied Water, L/kg 370
330

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 10
41
Resilience: Unit (Modulus of Resilience), kJ/m3 45
59
Stiffness to Weight: Axial, points 5.5
7.2
Stiffness to Weight: Bending, points 16
20
Strength to Weight: Axial, points 5.6
11
Strength to Weight: Bending, points 7.8
13
Thermal Diffusivity, mm2/s 17
27
Thermal Shock Resistance, points 7.2
10

Alloy Composition

Aluminum (Al), % 0 to 0.010
0 to 0.8
Antimony (Sb), % 0 to 0.75
0
Copper (Cu), % 67.5 to 77.5
58 to 64
Iron (Fe), % 0 to 0.25
0 to 0.7
Lead (Pb), % 18 to 23
0.8 to 1.5
Manganese (Mn), % 0 to 0.2
0
Nickel (Ni), % 0.5 to 2.5
0 to 1.0
Phosphorus (P), % 0 to 0.1
0
Silicon (Si), % 0 to 0.010
0 to 0.050
Sulfur (S), % 0 to 0.1
0
Tin (Sn), % 4.0 to 6.0
0.5 to 1.5
Zinc (Zn), % 0 to 2.0
32 to 40
Residuals, % 0
0 to 1.3