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C92500 Bronze vs. C94700 Bronze

Both C92500 bronze and C94700 bronze are copper alloys. They have a moderately high 94% of their average alloy composition in common.

For each property being compared, the top bar is C92500 bronze and the bottom bar is C94700 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
110
Elongation at Break, % 11
7.9 to 32
Poisson's Ratio 0.34
0.34
Shear Modulus, GPa 40
43
Tensile Strength: Ultimate (UTS), MPa 310
350 to 590
Tensile Strength: Yield (Proof), MPa 190
160 to 400

Thermal Properties

Latent Heat of Fusion, J/g 190
200
Maximum Temperature: Mechanical, °C 170
190
Melting Completion (Liquidus), °C 980
1030
Melting Onset (Solidus), °C 870
900
Specific Heat Capacity, J/kg-K 370
380
Thermal Conductivity, W/m-K 63
54
Thermal Expansion, µm/m-K 18
17

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 35
34
Density, g/cm3 8.7
8.8
Embodied Carbon, kg CO2/kg material 3.7
3.5
Embodied Energy, MJ/kg 61
56
Embodied Water, L/kg 390
350

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 30
41 to 89
Resilience: Unit (Modulus of Resilience), kJ/m3 170
110 to 700
Stiffness to Weight: Axial, points 6.8
7.3
Stiffness to Weight: Bending, points 18
18
Strength to Weight: Axial, points 9.8
11 to 19
Strength to Weight: Bending, points 12
13 to 18
Thermal Diffusivity, mm2/s 20
16
Thermal Shock Resistance, points 12
12 to 21

Alloy Composition

Aluminum (Al), % 0 to 0.0050
0 to 0.0050
Antimony (Sb), % 0 to 0.25
0 to 0.15
Copper (Cu), % 85 to 88
85 to 90
Iron (Fe), % 0 to 0.3
0 to 0.25
Lead (Pb), % 1.0 to 1.5
0 to 0.1
Manganese (Mn), % 0
0 to 0.2
Nickel (Ni), % 0.8 to 1.5
4.5 to 6.0
Phosphorus (P), % 0 to 1.5
0 to 0.050
Silicon (Si), % 0 to 0.0050
0 to 0.0050
Sulfur (S), % 0 to 0.050
0 to 0.050
Tin (Sn), % 10 to 12
4.5 to 6.0
Zinc (Zn), % 0 to 0.5
1.0 to 2.5
Residuals, % 0
0 to 1.3