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C93400 Bronze vs. C94300 Bronze

Both C93400 bronze and C94300 bronze are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 85% of their average alloy composition in common.

For each property being compared, the top bar is C93400 bronze and the bottom bar is C94300 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
87
Elongation at Break, % 9.1
9.7
Poisson's Ratio 0.35
0.36
Shear Modulus, GPa 38
32
Tensile Strength: Ultimate (UTS), MPa 270
180
Tensile Strength: Yield (Proof), MPa 150
120

Thermal Properties

Latent Heat of Fusion, J/g 180
150
Maximum Temperature: Mechanical, °C 150
110
Melting Completion (Liquidus), °C 950
820
Melting Onset (Solidus), °C 850
760
Specific Heat Capacity, J/kg-K 350
320
Thermal Conductivity, W/m-K 58
63
Thermal Expansion, µm/m-K 18
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 12
9.0
Electrical Conductivity: Equal Weight (Specific), % IACS 12
8.7

Otherwise Unclassified Properties

Base Metal Price, % relative 32
28
Density, g/cm3 8.9
9.3
Embodied Carbon, kg CO2/kg material 3.3
2.9
Embodied Energy, MJ/kg 54
47
Embodied Water, L/kg 380
370

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 21
15
Resilience: Unit (Modulus of Resilience), kJ/m3 120
77
Stiffness to Weight: Axial, points 6.3
5.2
Stiffness to Weight: Bending, points 17
16
Strength to Weight: Axial, points 8.3
5.2
Strength to Weight: Bending, points 10
7.4
Thermal Diffusivity, mm2/s 18
21
Thermal Shock Resistance, points 10
7.1

Alloy Composition

Aluminum (Al), % 0 to 0.0050
0 to 0.0050
Antimony (Sb), % 0 to 0.5
0 to 0.8
Copper (Cu), % 82 to 85
67 to 72
Iron (Fe), % 0 to 0.2
0 to 0.15
Lead (Pb), % 7.0 to 9.0
23 to 27
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), % 7.0 to 9.0
4.5 to 6.0
Zinc (Zn), % 0 to 0.8
0 to 0.8
Residuals, % 0
0 to 1.0