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C69430 Brass vs. C95410 Bronze

Both C69430 brass and C95410 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 C95410 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
120
Elongation at Break, % 17
9.1 to 13
Poisson's Ratio 0.33
0.34
Shear Modulus, GPa 42
43
Tensile Strength: Ultimate (UTS), MPa 570
620 to 740
Tensile Strength: Yield (Proof), MPa 280
260 to 380

Thermal Properties

Latent Heat of Fusion, J/g 260
230
Maximum Temperature: Mechanical, °C 170
230
Melting Completion (Liquidus), °C 920
1040
Melting Onset (Solidus), °C 820
1030
Specific Heat Capacity, J/kg-K 410
440
Thermal Conductivity, W/m-K 26
59
Thermal Expansion, µm/m-K 18
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 6.2
13
Electrical Conductivity: Equal Weight (Specific), % IACS 6.7
14

Otherwise Unclassified Properties

Base Metal Price, % relative 27
28
Density, g/cm3 8.3
8.2
Embodied Carbon, kg CO2/kg material 2.7
3.3
Embodied Energy, MJ/kg 44
54
Embodied Water, L/kg 300
390

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 80
57 to 64
Resilience: Unit (Modulus of Resilience), kJ/m3 340
280 to 630
Stiffness to Weight: Axial, points 7.4
7.8
Stiffness to Weight: Bending, points 19
20
Strength to Weight: Axial, points 19
21 to 25
Strength to Weight: Bending, points 18
20 to 22
Thermal Diffusivity, mm2/s 7.7
16
Thermal Shock Resistance, points 20
22 to 26

Alloy Composition

Aluminum (Al), % 0
10 to 11.5
Arsenic (As), % 0.030 to 0.060
0
Copper (Cu), % 80 to 83
83 to 85.5
Iron (Fe), % 0 to 0.2
3.0 to 5.0
Lead (Pb), % 0 to 0.3
0
Manganese (Mn), % 0
0 to 0.5
Nickel (Ni), % 0
1.5 to 2.5
Silicon (Si), % 3.5 to 4.5
0
Zinc (Zn), % 11.4 to 16.5
0
Residuals, % 0
0 to 0.5