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C93500 Bronze vs. C68000 Brass

Both C93500 bronze and C68000 brass are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 61% of their average alloy composition in common. There are 26 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is C93500 bronze and the bottom bar is C68000 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
100
Elongation at Break, % 15
27
Poisson's Ratio 0.35
0.3
Shear Modulus, GPa 38
40
Tensile Strength: Ultimate (UTS), MPa 220
390
Tensile Strength: Yield (Proof), MPa 110
140

Thermal Properties

Latent Heat of Fusion, J/g 180
170
Maximum Temperature: Mechanical, °C 160
120
Melting Completion (Liquidus), °C 1000
880
Melting Onset (Solidus), °C 850
870
Specific Heat Capacity, J/kg-K 360
390
Thermal Conductivity, W/m-K 70
96
Thermal Expansion, µm/m-K 18
21

Otherwise Unclassified Properties

Base Metal Price, % relative 31
23
Density, g/cm3 9.0
8.0
Embodied Carbon, kg CO2/kg material 3.0
2.8
Embodied Energy, MJ/kg 49
48
Embodied Water, L/kg 350
330

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 28
82
Resilience: Unit (Modulus of Resilience), kJ/m3 59
95
Stiffness to Weight: Axial, points 6.3
7.3
Stiffness to Weight: Bending, points 17
20
Strength to Weight: Axial, points 6.9
14
Strength to Weight: Bending, points 9.1
15
Thermal Diffusivity, mm2/s 22
31
Thermal Shock Resistance, points 8.5
13

Alloy Composition

Aluminum (Al), % 0 to 0.0050
0 to 0.010
Antimony (Sb), % 0 to 0.3
0
Copper (Cu), % 83 to 86
56 to 60
Iron (Fe), % 0 to 0.2
0.25 to 1.3
Lead (Pb), % 8.0 to 10
0 to 0.050
Manganese (Mn), % 0
0.010 to 0.5
Nickel (Ni), % 0 to 1.0
0.2 to 0.8
Phosphorus (P), % 0 to 1.5
0
Silicon (Si), % 0 to 0.0050
0.040 to 0.15
Sulfur (S), % 0 to 0.080
0
Tin (Sn), % 4.3 to 6.0
0.75 to 1.1
Zinc (Zn), % 0 to 2.0
35.6 to 42.8
Residuals, % 0
0 to 0.5