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C21000 Brass vs. CC496K Bronze

Both C21000 brass and CC496K bronze are copper alloys. They have 77% 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 CC496K bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
97
Elongation at Break, % 2.9 to 50
8.6
Poisson's Ratio 0.34
0.35
Shear Modulus, GPa 43
36
Tensile Strength: Ultimate (UTS), MPa 240 to 450
210
Tensile Strength: Yield (Proof), MPa 69 to 440
99

Thermal Properties

Latent Heat of Fusion, J/g 200
170
Maximum Temperature: Mechanical, °C 190
140
Melting Completion (Liquidus), °C 1070
900
Melting Onset (Solidus), °C 1050
820
Specific Heat Capacity, J/kg-K 390
340
Thermal Conductivity, W/m-K 230
52
Thermal Expansion, µm/m-K 18
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 56
11
Electrical Conductivity: Equal Weight (Specific), % IACS 57
11

Otherwise Unclassified Properties

Base Metal Price, % relative 30
31
Density, g/cm3 8.8
9.2
Embodied Carbon, kg CO2/kg material 2.6
3.3
Embodied Energy, MJ/kg 42
52
Embodied Water, L/kg 310
380

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 13 to 100
15
Resilience: Unit (Modulus of Resilience), kJ/m3 21 to 830
50
Stiffness to Weight: Axial, points 7.2
5.9
Stiffness to Weight: Bending, points 18
17
Strength to Weight: Axial, points 7.4 to 14
6.5
Strength to Weight: Bending, points 9.6 to 15
8.6
Thermal Diffusivity, mm2/s 69
17
Thermal Shock Resistance, points 8.1 to 15
8.1

Alloy Composition

Aluminum (Al), % 0
0 to 0.010
Antimony (Sb), % 0
0 to 0.5
Copper (Cu), % 94 to 96
72 to 79.5
Iron (Fe), % 0 to 0.050
0 to 0.25
Lead (Pb), % 0 to 0.030
13 to 17
Manganese (Mn), % 0
0 to 0.2
Nickel (Ni), % 0
0.5 to 2.0
Phosphorus (P), % 0
0 to 0.1
Silicon (Si), % 0
0 to 0.010
Sulfur (S), % 0
0 to 0.1
Tin (Sn), % 0
6.0 to 8.0
Zinc (Zn), % 3.7 to 6.0
0 to 2.0
Residuals, % 0 to 0.2
0