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C96400 Copper-nickel vs. C93800 Bronze

Both C96400 copper-nickel and C93800 bronze are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 68% of their average alloy composition in common.

For each property being compared, the top bar is C96400 copper-nickel and the bottom bar is C93800 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 140
96
Elongation at Break, % 25
9.7
Poisson's Ratio 0.33
0.35
Shear Modulus, GPa 51
35
Tensile Strength: Ultimate (UTS), MPa 490
200
Tensile Strength: Yield (Proof), MPa 260
120

Thermal Properties

Latent Heat of Fusion, J/g 240
170
Maximum Temperature: Mechanical, °C 260
140
Melting Completion (Liquidus), °C 1240
940
Melting Onset (Solidus), °C 1170
850
Specific Heat Capacity, J/kg-K 400
340
Thermal Conductivity, W/m-K 28
52
Thermal Expansion, µm/m-K 15
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 5.0
11
Electrical Conductivity: Equal Weight (Specific), % IACS 5.1
11

Otherwise Unclassified Properties

Base Metal Price, % relative 45
31
Density, g/cm3 8.9
9.1
Embodied Carbon, kg CO2/kg material 5.9
3.2
Embodied Energy, MJ/kg 87
51
Embodied Water, L/kg 280
380

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 100
17
Resilience: Unit (Modulus of Resilience), kJ/m3 250
70
Stiffness to Weight: Axial, points 8.6
5.9
Stiffness to Weight: Bending, points 19
17
Strength to Weight: Axial, points 15
6.1
Strength to Weight: Bending, points 16
8.4
Thermal Diffusivity, mm2/s 7.8
17
Thermal Shock Resistance, points 17
8.1

Alloy Composition


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Aluminum (Al), % 0
0 to 0.0050
Antimony (Sb), % 0
0 to 0.8
Carbon (C), % 0 to 0.15
0
Copper (Cu), % 62.3 to 71.3
75 to 79
Iron (Fe), % 0.25 to 1.5
0 to 0.15
Lead (Pb), % 0 to 0.010
13 to 16
Manganese (Mn), % 0 to 1.5
0
Nickel (Ni), % 28 to 32
0 to 1.0
Niobium (Nb), % 0.5 to 1.5
0
Phosphorus (P), % 0 to 0.020
0 to 1.5
Silicon (Si), % 0 to 0.5
0 to 0.0050
Sulfur (S), % 0 to 0.020
0 to 0.080
Tin (Sn), % 0
6.3 to 7.5
Zinc (Zn), % 0
0 to 0.8
Residuals, % 0 to 0.5
0 to 1.0