MakeItFrom.com
Menu (ESC)

C91700 Bronze vs. C97400 Nickel Silver

Both C91700 bronze and C97400 nickel silver are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 64% of their average alloy composition in common.

For each property being compared, the top bar is C91700 bronze and the bottom bar is C97400 nickel silver.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 90
70
Elastic (Young's, Tensile) Modulus, GPa 110
120
Elongation at Break, % 13
20
Poisson's Ratio 0.34
0.33
Shear Modulus, GPa 41
44
Tensile Strength: Ultimate (UTS), MPa 330
260
Tensile Strength: Yield (Proof), MPa 170
120

Thermal Properties

Latent Heat of Fusion, J/g 190
190
Maximum Temperature: Mechanical, °C 170
180
Melting Completion (Liquidus), °C 1020
1100
Melting Onset (Solidus), °C 850
1070
Specific Heat Capacity, J/kg-K 370
380
Thermal Conductivity, W/m-K 71
27
Thermal Expansion, µm/m-K 18
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 10
6.0
Electrical Conductivity: Equal Weight (Specific), % IACS 10
6.3

Otherwise Unclassified Properties

Base Metal Price, % relative 36
33
Density, g/cm3 8.7
8.6
Embodied Carbon, kg CO2/kg material 3.9
4.1
Embodied Energy, MJ/kg 63
64
Embodied Water, L/kg 400
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 35
43
Resilience: Unit (Modulus of Resilience), kJ/m3 140
59
Stiffness to Weight: Axial, points 6.9
7.5
Stiffness to Weight: Bending, points 18
19
Strength to Weight: Axial, points 11
8.5
Strength to Weight: Bending, points 12
11
Thermal Diffusivity, mm2/s 22
8.3
Thermal Shock Resistance, points 12
8.8

Alloy Composition

Aluminum (Al), % 0 to 0.0050
0
Antimony (Sb), % 0 to 0.2
0
Copper (Cu), % 84.2 to 87.5
58 to 61
Iron (Fe), % 0 to 0.2
0 to 1.5
Lead (Pb), % 0 to 0.25
4.5 to 5.5
Manganese (Mn), % 0
0 to 0.5
Nickel (Ni), % 1.2 to 2.0
15.5 to 17
Phosphorus (P), % 0 to 0.3
0
Silicon (Si), % 0 to 0.0050
0
Sulfur (S), % 0 to 0.050
0
Tin (Sn), % 11.3 to 12.5
2.5 to 3.5
Zinc (Zn), % 0 to 0.25
10 to 19.5
Residuals, % 0
0 to 1.0