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C21000 Brass vs. CC498K Bronze

Both C21000 brass and CC498K bronze are copper alloys. They have a moderately high 92% 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 CC498K bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
110
Elongation at Break, % 2.9 to 50
14
Poisson's Ratio 0.34
0.34
Shear Modulus, GPa 43
41
Tensile Strength: Ultimate (UTS), MPa 240 to 450
260
Tensile Strength: Yield (Proof), MPa 69 to 440
130

Thermal Properties

Latent Heat of Fusion, J/g 200
190
Maximum Temperature: Mechanical, °C 190
170
Melting Completion (Liquidus), °C 1070
1000
Melting Onset (Solidus), °C 1050
920
Specific Heat Capacity, J/kg-K 390
370
Thermal Conductivity, W/m-K 230
73
Thermal Expansion, µm/m-K 18
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 56
10
Electrical Conductivity: Equal Weight (Specific), % IACS 57
10

Otherwise Unclassified Properties

Base Metal Price, % relative 30
32
Density, g/cm3 8.8
8.8
Embodied Carbon, kg CO2/kg material 2.6
3.2
Embodied Energy, MJ/kg 42
52
Embodied Water, L/kg 310
360

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 13 to 100
30
Resilience: Unit (Modulus of Resilience), kJ/m3 21 to 830
72
Stiffness to Weight: Axial, points 7.2
6.9
Stiffness to Weight: Bending, points 18
18
Strength to Weight: Axial, points 7.4 to 14
8.1
Strength to Weight: Bending, points 9.6 to 15
10
Thermal Diffusivity, mm2/s 69
22
Thermal Shock Resistance, points 8.1 to 15
9.3

Alloy Composition

Aluminum (Al), % 0
0 to 0.010
Antimony (Sb), % 0
0 to 0.25
Copper (Cu), % 94 to 96
85 to 90
Iron (Fe), % 0 to 0.050
0 to 0.25
Lead (Pb), % 0 to 0.030
1.0 to 2.0
Nickel (Ni), % 0
0 to 1.0
Phosphorus (P), % 0
0 to 0.050
Silicon (Si), % 0
0 to 0.010
Sulfur (S), % 0
0 to 0.1
Tin (Sn), % 0
5.5 to 6.5
Zinc (Zn), % 3.7 to 6.0
3.0 to 5.0
Residuals, % 0 to 0.2
0