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CC497K Bronze vs. C85500 Brass

Both CC497K bronze and C85500 brass are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 63% of their average alloy composition in common. There are 29 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 C85500 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 55
85
Elastic (Young's, Tensile) Modulus, GPa 93
100
Elongation at Break, % 6.7
40
Poisson's Ratio 0.36
0.31
Shear Modulus, GPa 34
40
Tensile Strength: Ultimate (UTS), MPa 190
410
Tensile Strength: Yield (Proof), MPa 91
160

Thermal Properties

Latent Heat of Fusion, J/g 160
170
Maximum Temperature: Mechanical, °C 130
120
Melting Completion (Liquidus), °C 870
900
Melting Onset (Solidus), °C 800
890
Specific Heat Capacity, J/kg-K 330
390
Thermal Conductivity, W/m-K 53
120
Thermal Expansion, µm/m-K 20
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 9.0
26
Electrical Conductivity: Equal Weight (Specific), % IACS 8.7
29

Otherwise Unclassified Properties

Base Metal Price, % relative 29
23
Density, g/cm3 9.3
8.0
Embodied Carbon, kg CO2/kg material 3.0
2.7
Embodied Energy, MJ/kg 48
46
Embodied Water, L/kg 370
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 10
130
Resilience: Unit (Modulus of Resilience), kJ/m3 45
120
Stiffness to Weight: Axial, points 5.5
7.3
Stiffness to Weight: Bending, points 16
20
Strength to Weight: Axial, points 5.6
14
Strength to Weight: Bending, points 7.8
15
Thermal Diffusivity, mm2/s 17
38
Thermal Shock Resistance, points 7.2
14

Alloy Composition

Aluminum (Al), % 0 to 0.010
0
Antimony (Sb), % 0 to 0.75
0
Copper (Cu), % 67.5 to 77.5
59 to 63
Iron (Fe), % 0 to 0.25
0 to 0.2
Lead (Pb), % 18 to 23
0 to 0.2
Manganese (Mn), % 0 to 0.2
0 to 0.2
Nickel (Ni), % 0.5 to 2.5
0 to 0.2
Phosphorus (P), % 0 to 0.1
0
Silicon (Si), % 0 to 0.010
0
Sulfur (S), % 0 to 0.1
0
Tin (Sn), % 4.0 to 6.0
0 to 0.2
Zinc (Zn), % 0 to 2.0
35.1 to 41
Residuals, % 0
0 to 0.9