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C94100 Bronze vs. C72700 Copper-nickel

Both C94100 bronze and C72700 copper-nickel are copper alloys. They have 82% of their average alloy composition in common. There are 26 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is C94100 bronze and the bottom bar is C72700 copper-nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 92
120
Elongation at Break, % 7.8
4.0 to 36
Poisson's Ratio 0.36
0.34
Shear Modulus, GPa 34
44
Tensile Strength: Ultimate (UTS), MPa 190
460 to 1070
Tensile Strength: Yield (Proof), MPa 130
580 to 1060

Thermal Properties

Latent Heat of Fusion, J/g 160
210
Maximum Temperature: Mechanical, °C 130
200
Melting Completion (Liquidus), °C 870
1100
Melting Onset (Solidus), °C 790
930
Specific Heat Capacity, J/kg-K 330
380
Thermal Expansion, µm/m-K 20
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 9.0
11
Electrical Conductivity: Equal Weight (Specific), % IACS 8.8
11

Otherwise Unclassified Properties

Base Metal Price, % relative 29
36
Density, g/cm3 9.2
8.8
Embodied Carbon, kg CO2/kg material 3.0
4.0
Embodied Energy, MJ/kg 48
62
Embodied Water, L/kg 370
350

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 14
20 to 380
Resilience: Unit (Modulus of Resilience), kJ/m3 97
1420 to 4770
Stiffness to Weight: Axial, points 5.5
7.4
Stiffness to Weight: Bending, points 16
19
Strength to Weight: Axial, points 5.8
14 to 34
Strength to Weight: Bending, points 8.1
15 to 26
Thermal Shock Resistance, points 7.6
16 to 38

Alloy Composition

Aluminum (Al), % 0 to 0.0050
0
Antimony (Sb), % 0 to 0.8
0
Copper (Cu), % 72 to 79
82.1 to 86
Iron (Fe), % 0 to 0.25
0 to 0.5
Lead (Pb), % 18 to 22
0 to 0.020
Magnesium (Mg), % 0
0 to 0.15
Manganese (Mn), % 0
0.050 to 0.3
Nickel (Ni), % 0 to 1.0
8.5 to 9.5
Niobium (Nb), % 0
0 to 0.1
Phosphorus (P), % 0 to 1.5
0
Silicon (Si), % 0 to 0.0050
0
Sulfur (S), % 0 to 0.080
0
Tin (Sn), % 4.5 to 6.5
5.5 to 6.5
Zinc (Zn), % 0 to 1.0
0 to 0.5
Residuals, % 0
0 to 0.3