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C87700 Bronze vs. C75400 Nickel Silver

Both C87700 bronze and C75400 nickel silver are copper alloys. They have 74% of their average alloy composition in common. There are 28 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 C87700 bronze and the bottom bar is C75400 nickel silver.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
120
Elongation at Break, % 3.6
2.0 to 43
Poisson's Ratio 0.33
0.32
Shear Modulus, GPa 42
46
Tensile Strength: Ultimate (UTS), MPa 300
370 to 630
Tensile Strength: Yield (Proof), MPa 120
130 to 590

Thermal Properties

Latent Heat of Fusion, J/g 250
200
Maximum Temperature: Mechanical, °C 180
190
Melting Completion (Liquidus), °C 980
1080
Melting Onset (Solidus), °C 900
1040
Specific Heat Capacity, J/kg-K 400
390
Thermal Conductivity, W/m-K 120
36
Thermal Expansion, µm/m-K 18
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 45
7.0
Electrical Conductivity: Equal Weight (Specific), % IACS 48
7.4

Otherwise Unclassified Properties

Base Metal Price, % relative 29
32
Density, g/cm3 8.5
8.5
Embodied Carbon, kg CO2/kg material 2.7
3.8
Embodied Energy, MJ/kg 45
59
Embodied Water, L/kg 310
300

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 8.6
12 to 120
Resilience: Unit (Modulus of Resilience), kJ/m3 64
75 to 1450
Stiffness to Weight: Axial, points 7.4
7.9
Stiffness to Weight: Bending, points 19
19
Strength to Weight: Axial, points 9.8
12 to 21
Strength to Weight: Bending, points 12
13 to 19
Thermal Diffusivity, mm2/s 34
11
Thermal Shock Resistance, points 11
12 to 21

Alloy Composition

Antimony (Sb), % 0 to 0.1
0
Copper (Cu), % 87.5 to 90.5
63.5 to 66.5
Iron (Fe), % 0 to 0.5
0 to 0.25
Lead (Pb), % 0 to 0.090
0 to 0.1
Manganese (Mn), % 0 to 0.8
0 to 0.5
Nickel (Ni), % 0 to 0.25
14 to 16
Phosphorus (P), % 0 to 0.15
0
Silicon (Si), % 2.5 to 3.5
0
Tin (Sn), % 0 to 2.0
0
Zinc (Zn), % 7.0 to 9.0
16.2 to 22.5
Residuals, % 0
0 to 0.5