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C99700 Brass vs. C79600 Nickel Silver

Both C99700 brass and C79600 nickel silver are copper alloys. They have 75% of their average alloy composition in common. There are 26 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is C99700 brass and the bottom bar is C79600 nickel silver.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
110
Elongation at Break, % 25
15
Poisson's Ratio 0.32
0.3
Shear Modulus, GPa 46
43
Tensile Strength: Ultimate (UTS), MPa 380
480
Tensile Strength: Yield (Proof), MPa 170
300

Thermal Properties

Latent Heat of Fusion, J/g 200
180
Maximum Temperature: Mechanical, °C 160
130
Melting Completion (Liquidus), °C 900
930
Melting Onset (Solidus), °C 880
880
Specific Heat Capacity, J/kg-K 410
390
Thermal Expansion, µm/m-K 20
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.0
7.0
Electrical Conductivity: Equal Weight (Specific), % IACS 3.3
8.0

Otherwise Unclassified Properties

Base Metal Price, % relative 25
25
Density, g/cm3 8.1
7.9
Embodied Carbon, kg CO2/kg material 3.3
3.5
Embodied Energy, MJ/kg 53
57
Embodied Water, L/kg 320
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 78
63
Resilience: Unit (Modulus of Resilience), kJ/m3 120
400
Stiffness to Weight: Axial, points 8.3
7.8
Stiffness to Weight: Bending, points 20
20
Strength to Weight: Axial, points 13
17
Strength to Weight: Bending, points 14
17
Thermal Shock Resistance, points 11
15

Alloy Composition

Aluminum (Al), % 0.5 to 3.0
0
Copper (Cu), % 54 to 65.5
43.5 to 46.5
Iron (Fe), % 0 to 1.0
0
Lead (Pb), % 0 to 2.0
0.8 to 1.2
Manganese (Mn), % 11 to 15
1.5 to 2.5
Nickel (Ni), % 4.0 to 6.0
9.0 to 11
Tin (Sn), % 0 to 1.0
0
Zinc (Zn), % 19 to 25
38.3 to 45.2
Residuals, % 0
0 to 0.5