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C38500 Bronze vs. C85400 Brass

Both C38500 bronze and C85400 brass 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 C38500 bronze and the bottom bar is C85400 brass.

Metric UnitsUS Customary Units

Mechanical Properties

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

Thermal Properties

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

Electrical Properties

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

Otherwise Unclassified Properties

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

Common Calculations

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

Alloy Composition

Aluminum (Al), % 0
0 to 0.35
Copper (Cu), % 55 to 59
65 to 70
Iron (Fe), % 0 to 0.35
0 to 0.7
Lead (Pb), % 2.5 to 3.5
1.5 to 3.8
Nickel (Ni), % 0
0 to 1.0
Silicon (Si), % 0
0 to 0.050
Tin (Sn), % 0
0.5 to 1.5
Zinc (Zn), % 36.7 to 42.5
24 to 32
Residuals, % 0
0 to 1.1