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C75700 Nickel Silver vs. C69710 Brass

Both C75700 nickel silver and C69710 brass are copper alloys. They have 83% of their average alloy composition in common.

For each property being compared, the top bar is C75700 nickel silver and the bottom bar is C69710 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
110
Elongation at Break, % 3.2 to 22
25
Poisson's Ratio 0.32
0.32
Shear Modulus, GPa 45
41
Shear Strength, MPa 350 to 370
300
Tensile Strength: Ultimate (UTS), MPa 590 to 610
470
Tensile Strength: Yield (Proof), MPa 470 to 580
230

Thermal Properties

Latent Heat of Fusion, J/g 200
240
Maximum Temperature: Mechanical, °C 180
160
Melting Completion (Liquidus), °C 1040
930
Melting Onset (Solidus), °C 990
880
Specific Heat Capacity, J/kg-K 390
400
Thermal Conductivity, W/m-K 40
40
Thermal Expansion, µm/m-K 16
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.0
8.0
Electrical Conductivity: Equal Weight (Specific), % IACS 8.6
8.7

Otherwise Unclassified Properties

Base Metal Price, % relative 30
26
Density, g/cm3 8.4
8.3
Embodied Carbon, kg CO2/kg material 3.6
2.7
Embodied Energy, MJ/kg 56
44
Embodied Water, L/kg 310
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 19 to 120
99
Resilience: Unit (Modulus of Resilience), kJ/m3 930 to 1410
250
Stiffness to Weight: Axial, points 7.8
7.3
Stiffness to Weight: Bending, points 19
19
Strength to Weight: Axial, points 19 to 20
16
Strength to Weight: Bending, points 19
16
Thermal Diffusivity, mm2/s 12
12
Thermal Shock Resistance, points 22 to 23
16

Alloy Composition

Arsenic (As), % 0
0.030 to 0.060
Copper (Cu), % 63.5 to 66.5
75 to 80
Iron (Fe), % 0 to 0.25
0 to 0.2
Lead (Pb), % 0 to 0.050
0.5 to 1.5
Manganese (Mn), % 0 to 0.5
0 to 0.4
Nickel (Ni), % 11 to 13
0
Silicon (Si), % 0
2.5 to 3.5
Zinc (Zn), % 19.2 to 25.5
13.8 to 22
Residuals, % 0 to 0.5
0 to 0.5