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C85400 Brass vs. C38500 Bronze

Both C85400 brass and C38500 bronze are copper alloys. They have 88% 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 C85400 brass and the bottom bar is C38500 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
100
Elongation at Break, % 23
17
Poisson's Ratio 0.32
0.31
Shear Modulus, GPa 40
37
Tensile Strength: Ultimate (UTS), MPa 220
370
Tensile Strength: Yield (Proof), MPa 85
130

Thermal Properties

Latent Heat of Fusion, J/g 180
160
Maximum Temperature: Mechanical, °C 130
110
Melting Completion (Liquidus), °C 940
890
Melting Onset (Solidus), °C 940
880
Specific Heat Capacity, J/kg-K 380
380
Thermal Conductivity, W/m-K 89
120
Thermal Expansion, µm/m-K 20
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 20
28
Electrical Conductivity: Equal Weight (Specific), % IACS 22
31

Otherwise Unclassified Properties

Base Metal Price, % relative 25
22
Density, g/cm3 8.3
8.1
Embodied Carbon, kg CO2/kg material 2.8
2.6
Embodied Energy, MJ/kg 46
45
Embodied Water, L/kg 330
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 40
48
Resilience: Unit (Modulus of Resilience), kJ/m3 35
78
Stiffness to Weight: Axial, points 7.0
7.0
Stiffness to Weight: Bending, points 19
19
Strength to Weight: Axial, points 7.5
13
Strength to Weight: Bending, points 9.9
14
Thermal Diffusivity, mm2/s 28
40
Thermal Shock Resistance, points 7.6
12

Alloy Composition

Aluminum (Al), % 0 to 0.35
0
Copper (Cu), % 65 to 70
55 to 59
Iron (Fe), % 0 to 0.7
0 to 0.35
Lead (Pb), % 1.5 to 3.8
2.5 to 3.5
Nickel (Ni), % 0 to 1.0
0
Silicon (Si), % 0 to 0.050
0
Tin (Sn), % 0.5 to 1.5
0
Zinc (Zn), % 24 to 32
36.7 to 42.5
Residuals, % 0
0 to 0.5