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C94700 Bronze vs. C95700 Bronze

Both C94700 bronze and C95700 bronze are copper alloys. They have 77% of their average alloy composition in common.

For each property being compared, the top bar is C94700 bronze and the bottom bar is C95700 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
130
Elongation at Break, % 7.9 to 32
23
Poisson's Ratio 0.34
0.34
Shear Modulus, GPa 43
47
Tensile Strength: Ultimate (UTS), MPa 350 to 590
680
Tensile Strength: Yield (Proof), MPa 160 to 400
310

Thermal Properties

Latent Heat of Fusion, J/g 200
230
Maximum Temperature: Mechanical, °C 190
220
Melting Completion (Liquidus), °C 1030
990
Melting Onset (Solidus), °C 900
950
Specific Heat Capacity, J/kg-K 380
440
Thermal Conductivity, W/m-K 54
12
Thermal Expansion, µm/m-K 17
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 12
3.0
Electrical Conductivity: Equal Weight (Specific), % IACS 12
3.3

Otherwise Unclassified Properties

Base Metal Price, % relative 34
26
Density, g/cm3 8.8
8.2
Embodied Carbon, kg CO2/kg material 3.5
3.3
Embodied Energy, MJ/kg 56
54
Embodied Water, L/kg 350
360

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 41 to 89
130
Resilience: Unit (Modulus of Resilience), kJ/m3 110 to 700
390
Stiffness to Weight: Axial, points 7.3
8.5
Stiffness to Weight: Bending, points 18
20
Strength to Weight: Axial, points 11 to 19
23
Strength to Weight: Bending, points 13 to 18
21
Thermal Diffusivity, mm2/s 16
3.3
Thermal Shock Resistance, points 12 to 21
21

Alloy Composition

Aluminum (Al), % 0 to 0.0050
7.0 to 8.5
Antimony (Sb), % 0 to 0.15
0
Copper (Cu), % 85 to 90
71 to 78.5
Iron (Fe), % 0 to 0.25
2.0 to 4.0
Lead (Pb), % 0 to 0.1
0 to 0.030
Manganese (Mn), % 0 to 0.2
11 to 14
Nickel (Ni), % 4.5 to 6.0
1.5 to 3.0
Phosphorus (P), % 0 to 0.050
0
Silicon (Si), % 0 to 0.0050
0 to 0.1
Sulfur (S), % 0 to 0.050
0
Tin (Sn), % 4.5 to 6.0
0
Zinc (Zn), % 1.0 to 2.5
0
Residuals, % 0
0 to 0.5