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C93800 Bronze vs. C94300 Bronze

Both C93800 bronze and C94300 bronze are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have a moderately high 92% of their average alloy composition in common.

For each property being compared, the top bar is C93800 bronze and the bottom bar is C94300 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 96
87
Elongation at Break, % 9.7
9.7
Poisson's Ratio 0.35
0.36
Shear Modulus, GPa 35
32
Tensile Strength: Ultimate (UTS), MPa 200
180
Tensile Strength: Yield (Proof), MPa 120
120

Thermal Properties

Latent Heat of Fusion, J/g 170
150
Maximum Temperature: Mechanical, °C 140
110
Melting Completion (Liquidus), °C 940
820
Melting Onset (Solidus), °C 850
760
Specific Heat Capacity, J/kg-K 340
320
Thermal Conductivity, W/m-K 52
63
Thermal Expansion, µm/m-K 19
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 11
9.0
Electrical Conductivity: Equal Weight (Specific), % IACS 11
8.7

Otherwise Unclassified Properties

Base Metal Price, % relative 31
28
Density, g/cm3 9.1
9.3
Embodied Carbon, kg CO2/kg material 3.2
2.9
Embodied Energy, MJ/kg 51
47
Embodied Water, L/kg 380
370

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 17
15
Resilience: Unit (Modulus of Resilience), kJ/m3 70
77
Stiffness to Weight: Axial, points 5.9
5.2
Stiffness to Weight: Bending, points 17
16
Strength to Weight: Axial, points 6.1
5.2
Strength to Weight: Bending, points 8.4
7.4
Thermal Diffusivity, mm2/s 17
21
Thermal Shock Resistance, points 8.1
7.1

Alloy Composition

Aluminum (Al), % 0 to 0.0050
0 to 0.0050
Antimony (Sb), % 0 to 0.8
0 to 0.8
Copper (Cu), % 75 to 79
67 to 72
Iron (Fe), % 0 to 0.15
0 to 0.15
Lead (Pb), % 13 to 16
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), % 6.3 to 7.5
4.5 to 6.0
Zinc (Zn), % 0 to 0.8
0 to 0.8
Residuals, % 0
0 to 1.0