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C95200 Bronze vs. C85400 Brass

Both C95200 bronze and C85400 brass are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 69% of their average alloy composition in common.

For each property being compared, the top bar is C95200 bronze and the bottom bar is C85400 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 120
55
Elastic (Young's, Tensile) Modulus, GPa 110
100
Elongation at Break, % 29
23
Poisson's Ratio 0.34
0.32
Shear Modulus, GPa 42
40
Tensile Strength: Ultimate (UTS), MPa 520
220
Tensile Strength: Yield (Proof), MPa 190
85

Thermal Properties

Latent Heat of Fusion, J/g 230
180
Maximum Temperature: Mechanical, °C 220
130
Melting Completion (Liquidus), °C 1050
940
Melting Onset (Solidus), °C 1040
940
Specific Heat Capacity, J/kg-K 430
380
Thermal Conductivity, W/m-K 50
89
Thermal Expansion, µm/m-K 18
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 11
20
Electrical Conductivity: Equal Weight (Specific), % IACS 12
22

Otherwise Unclassified Properties

Base Metal Price, % relative 28
25
Density, g/cm3 8.3
8.3
Embodied Carbon, kg CO2/kg material 3.0
2.8
Embodied Energy, MJ/kg 50
46
Embodied Water, L/kg 380
330

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
40
Resilience: Unit (Modulus of Resilience), kJ/m3 170
35
Stiffness to Weight: Axial, points 7.6
7.0
Stiffness to Weight: Bending, points 19
19
Strength to Weight: Axial, points 17
7.5
Strength to Weight: Bending, points 17
9.9
Thermal Diffusivity, mm2/s 14
28
Thermal Shock Resistance, points 19
7.6

Alloy Composition

Aluminum (Al), % 8.5 to 9.5
0 to 0.35
Copper (Cu), % 86 to 89
65 to 70
Iron (Fe), % 2.5 to 4.0
0 to 0.7
Lead (Pb), % 0
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), % 0
24 to 32
Residuals, % 0
0 to 1.1