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C21000 Brass vs. CC497K Bronze

Both C21000 brass and CC497K bronze are copper alloys. They have 74% of their average alloy composition in common. There are 28 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 C21000 brass and the bottom bar is CC497K bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
93
Elongation at Break, % 2.9 to 50
6.7
Poisson's Ratio 0.34
0.36
Shear Modulus, GPa 43
34
Tensile Strength: Ultimate (UTS), MPa 240 to 450
190
Tensile Strength: Yield (Proof), MPa 69 to 440
91

Thermal Properties

Latent Heat of Fusion, J/g 200
160
Maximum Temperature: Mechanical, °C 190
130
Melting Completion (Liquidus), °C 1070
870
Melting Onset (Solidus), °C 1050
800
Specific Heat Capacity, J/kg-K 390
330
Thermal Conductivity, W/m-K 230
53
Thermal Expansion, µm/m-K 18
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 56
9.0
Electrical Conductivity: Equal Weight (Specific), % IACS 57
8.7

Otherwise Unclassified Properties

Base Metal Price, % relative 30
29
Density, g/cm3 8.8
9.3
Embodied Carbon, kg CO2/kg material 2.6
3.0
Embodied Energy, MJ/kg 42
48
Embodied Water, L/kg 310
370

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 13 to 100
10
Resilience: Unit (Modulus of Resilience), kJ/m3 21 to 830
45
Stiffness to Weight: Axial, points 7.2
5.5
Stiffness to Weight: Bending, points 18
16
Strength to Weight: Axial, points 7.4 to 14
5.6
Strength to Weight: Bending, points 9.6 to 15
7.8
Thermal Diffusivity, mm2/s 69
17
Thermal Shock Resistance, points 8.1 to 15
7.2

Alloy Composition

Aluminum (Al), % 0
0 to 0.010
Antimony (Sb), % 0
0 to 0.75
Copper (Cu), % 94 to 96
67.5 to 77.5
Iron (Fe), % 0 to 0.050
0 to 0.25
Lead (Pb), % 0 to 0.030
18 to 23
Manganese (Mn), % 0
0 to 0.2
Nickel (Ni), % 0
0.5 to 2.5
Phosphorus (P), % 0
0 to 0.1
Silicon (Si), % 0
0 to 0.010
Sulfur (S), % 0
0 to 0.1
Tin (Sn), % 0
4.0 to 6.0
Zinc (Zn), % 3.7 to 6.0
0 to 2.0
Residuals, % 0 to 0.2
0