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C68400 Brass vs. C97400 Nickel Silver

Both C68400 brass and C97400 nickel silver are copper alloys. They have 76% of their average alloy composition in common. There are 29 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is C68400 brass and the bottom bar is C97400 nickel silver.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 150
70
Elastic (Young's, Tensile) Modulus, GPa 110
120
Elongation at Break, % 18
20
Poisson's Ratio 0.31
0.33
Shear Modulus, GPa 41
44
Tensile Strength: Ultimate (UTS), MPa 540
260
Tensile Strength: Yield (Proof), MPa 310
120

Thermal Properties

Latent Heat of Fusion, J/g 210
190
Maximum Temperature: Mechanical, °C 130
180
Melting Completion (Liquidus), °C 840
1100
Melting Onset (Solidus), °C 820
1070
Specific Heat Capacity, J/kg-K 400
380
Thermal Conductivity, W/m-K 66
27
Thermal Expansion, µm/m-K 20
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 87
6.0
Electrical Conductivity: Equal Weight (Specific), % IACS 99
6.3

Otherwise Unclassified Properties

Base Metal Price, % relative 23
33
Density, g/cm3 7.9
8.6
Embodied Carbon, kg CO2/kg material 2.7
4.1
Embodied Energy, MJ/kg 47
64
Embodied Water, L/kg 320
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 81
43
Resilience: Unit (Modulus of Resilience), kJ/m3 460
59
Stiffness to Weight: Axial, points 7.5
7.5
Stiffness to Weight: Bending, points 20
19
Strength to Weight: Axial, points 19
8.5
Strength to Weight: Bending, points 19
11
Thermal Diffusivity, mm2/s 21
8.3
Thermal Shock Resistance, points 18
8.8

Alloy Composition


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Aluminum (Al), % 0 to 0.5
0
Boron (B), % 0.0010 to 0.030
0
Copper (Cu), % 59 to 64
58 to 61
Iron (Fe), % 0 to 1.0
0 to 1.5
Lead (Pb), % 0 to 0.090
4.5 to 5.5
Manganese (Mn), % 0.2 to 1.5
0 to 0.5
Nickel (Ni), % 0 to 0.5
15.5 to 17
Phosphorus (P), % 0.030 to 0.3
0
Silicon (Si), % 1.5 to 2.5
0
Tin (Sn), % 0 to 0.5
2.5 to 3.5
Zinc (Zn), % 28.6 to 39.3
10 to 19.5
Residuals, % 0 to 0.5
0 to 1.0