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C65400 Bronze vs. C68100 Brass

Both C65400 bronze and C68100 brass are copper alloys. They have 59% 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 C65400 bronze and the bottom bar is C68100 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
100
Elongation at Break, % 2.6 to 47
29
Poisson's Ratio 0.34
0.3
Shear Modulus, GPa 43
40
Tensile Strength: Ultimate (UTS), MPa 500 to 1060
380
Tensile Strength: Yield (Proof), MPa 170 to 910
140

Thermal Properties

Latent Heat of Fusion, J/g 260
170
Maximum Temperature: Mechanical, °C 200
120
Melting Completion (Liquidus), °C 1020
890
Melting Onset (Solidus), °C 960
870
Specific Heat Capacity, J/kg-K 400
390
Thermal Conductivity, W/m-K 36
98
Thermal Expansion, µm/m-K 17
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.0
24
Electrical Conductivity: Equal Weight (Specific), % IACS 7.3
27

Otherwise Unclassified Properties

Base Metal Price, % relative 31
23
Density, g/cm3 8.7
7.9
Embodied Carbon, kg CO2/kg material 2.8
2.8
Embodied Energy, MJ/kg 45
47
Embodied Water, L/kg 310
330

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 10 to 480
86
Resilience: Unit (Modulus of Resilience), kJ/m3 130 to 3640
94
Stiffness to Weight: Axial, points 7.3
7.3
Stiffness to Weight: Bending, points 19
20
Strength to Weight: Axial, points 16 to 34
13
Strength to Weight: Bending, points 16 to 27
15
Thermal Diffusivity, mm2/s 10
32
Thermal Shock Resistance, points 18 to 39
13

Alloy Composition

Aluminum (Al), % 0
0 to 0.010
Chromium (Cr), % 0.010 to 0.12
0
Copper (Cu), % 93.8 to 96.1
56 to 60
Iron (Fe), % 0
0.25 to 1.3
Lead (Pb), % 0 to 0.050
0 to 0.050
Manganese (Mn), % 0
0.010 to 0.5
Silicon (Si), % 2.7 to 3.4
0.040 to 0.15
Tin (Sn), % 1.2 to 1.9
0.75 to 1.1
Zinc (Zn), % 0 to 0.5
36.4 to 43
Residuals, % 0
0 to 0.5