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CC497K Bronze vs. CC753S Brass

Both CC497K bronze and CC753S 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.

For each property being compared, the top bar is CC497K bronze and the bottom bar is CC753S brass.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 55
100
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
340
Tensile Strength: Yield (Proof), MPa 91
170

Thermal Properties

Latent Heat of Fusion, J/g 160
170
Maximum Temperature: Mechanical, °C 130
120
Melting Completion (Liquidus), °C 870
820
Melting Onset (Solidus), °C 800
780
Specific Heat Capacity, J/kg-K 330
390
Thermal Conductivity, W/m-K 53
99
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
8.1
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
47
Resilience: Unit (Modulus of Resilience), kJ/m3 45
140
Stiffness to Weight: Axial, points 5.5
7.1
Stiffness to Weight: Bending, points 16
19
Strength to Weight: Axial, points 5.6
12
Strength to Weight: Bending, points 7.8
13
Thermal Diffusivity, mm2/s 17
32
Thermal Shock Resistance, points 7.2
11

Alloy Composition

Aluminum (Al), % 0 to 0.010
0.4 to 0.8
Antimony (Sb), % 0 to 0.75
0 to 0.050
Copper (Cu), % 67.5 to 77.5
56.8 to 60.5
Iron (Fe), % 0 to 0.25
0.5 to 0.8
Lead (Pb), % 18 to 23
1.8 to 2.5
Manganese (Mn), % 0 to 0.2
0 to 0.2
Nickel (Ni), % 0.5 to 2.5
0.5 to 1.2
Phosphorus (P), % 0 to 0.1
0 to 0.020
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 to 0.8
Zinc (Zn), % 0 to 2.0
33.1 to 40