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C69430 Brass vs. C95200 Bronze

Both C69430 brass and C95200 bronze are copper alloys. They have 82% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is C69430 brass and the bottom bar is C95200 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
110
Elongation at Break, % 17
29
Poisson's Ratio 0.33
0.34
Shear Modulus, GPa 42
42
Tensile Strength: Ultimate (UTS), MPa 570
520
Tensile Strength: Yield (Proof), MPa 280
190

Thermal Properties

Latent Heat of Fusion, J/g 260
230
Maximum Temperature: Mechanical, °C 170
220
Melting Completion (Liquidus), °C 920
1050
Melting Onset (Solidus), °C 820
1040
Specific Heat Capacity, J/kg-K 410
430
Thermal Conductivity, W/m-K 26
50
Thermal Expansion, µm/m-K 18
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 6.2
11
Electrical Conductivity: Equal Weight (Specific), % IACS 6.7
12

Otherwise Unclassified Properties

Base Metal Price, % relative 27
28
Density, g/cm3 8.3
8.3
Embodied Carbon, kg CO2/kg material 2.7
3.0
Embodied Energy, MJ/kg 44
50
Embodied Water, L/kg 300
380

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 80
120
Resilience: Unit (Modulus of Resilience), kJ/m3 340
170
Stiffness to Weight: Axial, points 7.4
7.6
Stiffness to Weight: Bending, points 19
19
Strength to Weight: Axial, points 19
17
Strength to Weight: Bending, points 18
17
Thermal Diffusivity, mm2/s 7.7
14
Thermal Shock Resistance, points 20
19

Alloy Composition

Aluminum (Al), % 0
8.5 to 9.5
Arsenic (As), % 0.030 to 0.060
0
Copper (Cu), % 80 to 83
86 to 89
Iron (Fe), % 0 to 0.2
2.5 to 4.0
Lead (Pb), % 0 to 0.3
0
Silicon (Si), % 3.5 to 4.5
0
Zinc (Zn), % 11.4 to 16.5
0
Residuals, % 0
0 to 1.0