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C94300 Bronze vs. C96200 Copper-nickel

Both C94300 bronze and C96200 copper-nickel are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 70% of their average alloy composition in common.

For each property being compared, the top bar is C94300 bronze and the bottom bar is C96200 copper-nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 87
120
Elongation at Break, % 9.7
23
Poisson's Ratio 0.36
0.34
Shear Modulus, GPa 32
46
Tensile Strength: Ultimate (UTS), MPa 180
350
Tensile Strength: Yield (Proof), MPa 120
190

Thermal Properties

Latent Heat of Fusion, J/g 150
220
Maximum Temperature: Mechanical, °C 110
220
Melting Completion (Liquidus), °C 820
1150
Melting Onset (Solidus), °C 760
1100
Specific Heat Capacity, J/kg-K 320
390
Thermal Conductivity, W/m-K 63
45
Thermal Expansion, µm/m-K 20
17

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 28
36
Density, g/cm3 9.3
8.9
Embodied Carbon, kg CO2/kg material 2.9
3.8
Embodied Energy, MJ/kg 47
58
Embodied Water, L/kg 370
300

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 15
68
Resilience: Unit (Modulus of Resilience), kJ/m3 77
150
Stiffness to Weight: Axial, points 5.2
7.8
Stiffness to Weight: Bending, points 16
19
Strength to Weight: Axial, points 5.2
11
Strength to Weight: Bending, points 7.4
13
Thermal Diffusivity, mm2/s 21
13
Thermal Shock Resistance, points 7.1
12

Alloy Composition

Aluminum (Al), % 0 to 0.0050
0
Antimony (Sb), % 0 to 0.8
0
Carbon (C), % 0
0 to 0.1
Copper (Cu), % 67 to 72
83.6 to 90
Iron (Fe), % 0 to 0.15
1.0 to 1.8
Lead (Pb), % 23 to 27
0 to 0.010
Manganese (Mn), % 0
0 to 1.5
Nickel (Ni), % 0 to 1.0
9.0 to 11
Niobium (Nb), % 0
0 to 1.0
Phosphorus (P), % 0 to 1.5
0 to 0.020
Silicon (Si), % 0 to 0.0050
0 to 0.5
Sulfur (S), % 0 to 0.080
0 to 0.020
Tin (Sn), % 4.5 to 6.0
0
Zinc (Zn), % 0 to 0.8
0
Residuals, % 0
0 to 0.5