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C91700 Bronze vs. Grade CY40 Nickel

C91700 bronze belongs to the copper alloys classification, while grade CY40 nickel belongs to the nickel alloys. There are 28 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is C91700 bronze and the bottom bar is grade CY40 nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
190
Elongation at Break, % 13
34
Poisson's Ratio 0.34
0.29
Shear Modulus, GPa 41
74
Tensile Strength: Ultimate (UTS), MPa 330
540
Tensile Strength: Yield (Proof), MPa 170
220

Thermal Properties

Latent Heat of Fusion, J/g 190
330
Maximum Temperature: Mechanical, °C 170
960
Melting Completion (Liquidus), °C 1020
1350
Melting Onset (Solidus), °C 850
1300
Specific Heat Capacity, J/kg-K 370
470
Thermal Conductivity, W/m-K 71
14
Thermal Expansion, µm/m-K 18
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 10
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 10
1.8

Otherwise Unclassified Properties

Base Metal Price, % relative 36
55
Density, g/cm3 8.7
8.4
Embodied Carbon, kg CO2/kg material 3.9
9.1
Embodied Energy, MJ/kg 63
130
Embodied Water, L/kg 400
260

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 35
150
Resilience: Unit (Modulus of Resilience), kJ/m3 140
130
Stiffness to Weight: Axial, points 6.9
13
Stiffness to Weight: Bending, points 18
23
Strength to Weight: Axial, points 11
18
Strength to Weight: Bending, points 12
18
Thermal Diffusivity, mm2/s 22
3.7
Thermal Shock Resistance, points 12
16

Alloy Composition

Aluminum (Al), % 0 to 0.0050
0
Antimony (Sb), % 0 to 0.2
0
Carbon (C), % 0
0 to 0.4
Chromium (Cr), % 0
14 to 17
Copper (Cu), % 84.2 to 87.5
0
Iron (Fe), % 0 to 0.2
0 to 11
Lead (Pb), % 0 to 0.25
0
Manganese (Mn), % 0
0 to 1.5
Nickel (Ni), % 1.2 to 2.0
67 to 86
Phosphorus (P), % 0 to 0.3
0 to 0.030
Silicon (Si), % 0 to 0.0050
0 to 3.0
Sulfur (S), % 0 to 0.050
0 to 0.030
Tin (Sn), % 11.3 to 12.5
0
Zinc (Zn), % 0 to 0.25
0