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C51900 Bronze vs. C71640 Copper-nickel

Both C51900 bronze and C71640 copper-nickel are copper alloys. They have 65% of their average alloy composition in common. There are 26 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is C51900 bronze and the bottom bar is C71640 copper-nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
140
Poisson's Ratio 0.34
0.33
Shear Modulus, GPa 42
52
Tensile Strength: Ultimate (UTS), MPa 380 to 620
490 to 630
Tensile Strength: Yield (Proof), MPa 390 to 570
190 to 460

Thermal Properties

Latent Heat of Fusion, J/g 200
240
Maximum Temperature: Mechanical, °C 180
260
Melting Completion (Liquidus), °C 1040
1180
Melting Onset (Solidus), °C 930
1120
Specific Heat Capacity, J/kg-K 380
410
Thermal Conductivity, W/m-K 66
29
Thermal Expansion, µm/m-K 18
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 14
7.0
Electrical Conductivity: Equal Weight (Specific), % IACS 14
7.1

Otherwise Unclassified Properties

Base Metal Price, % relative 33
40
Density, g/cm3 8.8
8.9
Embodied Carbon, kg CO2/kg material 3.2
5.0
Embodied Energy, MJ/kg 51
73
Embodied Water, L/kg 360
280

Common Calculations

Resilience: Unit (Modulus of Resilience), kJ/m3 680 to 1450
130 to 750
Stiffness to Weight: Axial, points 7.0
8.7
Stiffness to Weight: Bending, points 18
20
Strength to Weight: Axial, points 12 to 19
15 to 20
Strength to Weight: Bending, points 13 to 18
16 to 18
Thermal Diffusivity, mm2/s 20
8.2
Thermal Shock Resistance, points 14 to 22
16 to 21

Alloy Composition

Copper (Cu), % 91.7 to 95
61.7 to 67.8
Iron (Fe), % 0 to 0.1
1.7 to 2.3
Lead (Pb), % 0 to 0.050
0 to 0.050
Manganese (Mn), % 0
1.5 to 2.5
Nickel (Ni), % 0
29 to 32
Phosphorus (P), % 0.030 to 0.35
0
Tin (Sn), % 5.0 to 7.0
0
Zinc (Zn), % 0 to 0.3
0 to 1.0
Residuals, % 0
0 to 0.5