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C95200 Bronze vs. C84500 Brass

Both C95200 bronze and C84500 brass are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 79% of their average alloy composition in common.

For each property being compared, the top bar is C95200 bronze and the bottom bar is C84500 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 120
55
Elastic (Young's, Tensile) Modulus, GPa 110
100
Elongation at Break, % 29
28
Poisson's Ratio 0.34
0.34
Shear Modulus, GPa 42
39
Tensile Strength: Ultimate (UTS), MPa 520
240
Tensile Strength: Yield (Proof), MPa 190
97

Thermal Properties

Latent Heat of Fusion, J/g 230
180
Maximum Temperature: Mechanical, °C 220
150
Melting Completion (Liquidus), °C 1050
980
Melting Onset (Solidus), °C 1040
840
Specific Heat Capacity, J/kg-K 430
360
Thermal Conductivity, W/m-K 50
72
Thermal Expansion, µm/m-K 18
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 11
16
Electrical Conductivity: Equal Weight (Specific), % IACS 12
17

Otherwise Unclassified Properties

Base Metal Price, % relative 28
28
Density, g/cm3 8.3
8.7
Embodied Carbon, kg CO2/kg material 3.0
2.9
Embodied Energy, MJ/kg 50
47
Embodied Water, L/kg 380
340

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
54
Resilience: Unit (Modulus of Resilience), kJ/m3 170
45
Stiffness to Weight: Axial, points 7.6
6.6
Stiffness to Weight: Bending, points 19
18
Strength to Weight: Axial, points 17
7.7
Strength to Weight: Bending, points 17
9.8
Thermal Diffusivity, mm2/s 14
23
Thermal Shock Resistance, points 19
8.6

Alloy Composition

Aluminum (Al), % 8.5 to 9.5
0 to 0.0050
Antimony (Sb), % 0
0 to 0.25
Copper (Cu), % 86 to 89
77 to 79
Iron (Fe), % 2.5 to 4.0
0 to 0.4
Lead (Pb), % 0
6.0 to 7.5
Nickel (Ni), % 0
0 to 1.0
Phosphorus (P), % 0
0 to 0.020
Silicon (Si), % 0
0 to 0.0050
Sulfur (S), % 0
0 to 0.080
Tin (Sn), % 0
2.0 to 4.0
Zinc (Zn), % 0
10 to 14
Residuals, % 0
0 to 0.7