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C94700 Bronze vs. C93400 Bronze

Both C94700 bronze and C93400 bronze are copper alloys. They have a moderately high 90% of their average alloy composition in common.

For each property being compared, the top bar is C94700 bronze and the bottom bar is C93400 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
100
Elongation at Break, % 7.9 to 32
9.1
Poisson's Ratio 0.34
0.35
Shear Modulus, GPa 43
38
Tensile Strength: Ultimate (UTS), MPa 350 to 590
270
Tensile Strength: Yield (Proof), MPa 160 to 400
150

Thermal Properties

Latent Heat of Fusion, J/g 200
180
Maximum Temperature: Mechanical, °C 190
150
Melting Completion (Liquidus), °C 1030
950
Melting Onset (Solidus), °C 900
850
Specific Heat Capacity, J/kg-K 380
350
Thermal Conductivity, W/m-K 54
58
Thermal Expansion, µm/m-K 17
18

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 34
32
Density, g/cm3 8.8
8.9
Embodied Carbon, kg CO2/kg material 3.5
3.3
Embodied Energy, MJ/kg 56
54
Embodied Water, L/kg 350
380

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 41 to 89
21
Resilience: Unit (Modulus of Resilience), kJ/m3 110 to 700
120
Stiffness to Weight: Axial, points 7.3
6.3
Stiffness to Weight: Bending, points 18
17
Strength to Weight: Axial, points 11 to 19
8.3
Strength to Weight: Bending, points 13 to 18
10
Thermal Diffusivity, mm2/s 16
18
Thermal Shock Resistance, points 12 to 21
10

Alloy Composition

Aluminum (Al), % 0 to 0.0050
0 to 0.0050
Antimony (Sb), % 0 to 0.15
0 to 0.5
Copper (Cu), % 85 to 90
82 to 85
Iron (Fe), % 0 to 0.25
0 to 0.2
Lead (Pb), % 0 to 0.1
7.0 to 9.0
Manganese (Mn), % 0 to 0.2
0
Nickel (Ni), % 4.5 to 6.0
0 to 1.0
Phosphorus (P), % 0 to 0.050
0 to 1.5
Silicon (Si), % 0 to 0.0050
0 to 0.0050
Sulfur (S), % 0 to 0.050
0 to 0.080
Tin (Sn), % 4.5 to 6.0
7.0 to 9.0
Zinc (Zn), % 1.0 to 2.5
0 to 0.8
Residuals, % 0
0 to 1.0