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C93500 Bronze vs. C84800 Brass

Both C93500 bronze and C84800 brass are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 88% of their average alloy composition in common.

For each property being compared, the top bar is C93500 bronze and the bottom bar is C84800 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
100
Elongation at Break, % 15
18
Poisson's Ratio 0.35
0.33
Shear Modulus, GPa 38
39
Tensile Strength: Ultimate (UTS), MPa 220
230
Tensile Strength: Yield (Proof), MPa 110
100

Thermal Properties

Latent Heat of Fusion, J/g 180
180
Maximum Temperature: Mechanical, °C 160
150
Melting Completion (Liquidus), °C 1000
950
Melting Onset (Solidus), °C 850
830
Specific Heat Capacity, J/kg-K 360
370
Thermal Conductivity, W/m-K 70
72
Thermal Expansion, µm/m-K 18
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 15
16
Electrical Conductivity: Equal Weight (Specific), % IACS 15
17

Otherwise Unclassified Properties

Base Metal Price, % relative 31
27
Density, g/cm3 9.0
8.6
Embodied Carbon, kg CO2/kg material 3.0
2.8
Embodied Energy, MJ/kg 49
46
Embodied Water, L/kg 350
340

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 28
34
Resilience: Unit (Modulus of Resilience), kJ/m3 59
53
Stiffness to Weight: Axial, points 6.3
6.6
Stiffness to Weight: Bending, points 17
18
Strength to Weight: Axial, points 6.9
7.3
Strength to Weight: Bending, points 9.1
9.6
Thermal Diffusivity, mm2/s 22
23
Thermal Shock Resistance, points 8.5
8.2

Alloy Composition

Aluminum (Al), % 0 to 0.0050
0 to 0.0050
Antimony (Sb), % 0 to 0.3
0 to 0.25
Copper (Cu), % 83 to 86
75 to 77
Iron (Fe), % 0 to 0.2
0 to 0.4
Lead (Pb), % 8.0 to 10
5.5 to 7.0
Nickel (Ni), % 0 to 1.0
0 to 1.0
Phosphorus (P), % 0 to 1.5
0 to 1.5
Silicon (Si), % 0 to 0.0050
0 to 0.0050
Sulfur (S), % 0 to 0.080
0 to 0.080
Tin (Sn), % 4.3 to 6.0
2.0 to 3.0
Zinc (Zn), % 0 to 2.0
13 to 17
Residuals, % 0
0 to 0.7