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C21000 Brass vs. C75700 Nickel Silver

Both C21000 brass and C75700 nickel silver are copper alloys. They have 70% of their average alloy composition in common. There are 29 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 C21000 brass and the bottom bar is C75700 nickel silver.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
120
Elongation at Break, % 2.9 to 50
3.2 to 22
Poisson's Ratio 0.34
0.32
Shear Modulus, GPa 43
45
Shear Strength, MPa 180 to 280
350 to 370
Tensile Strength: Ultimate (UTS), MPa 240 to 450
590 to 610
Tensile Strength: Yield (Proof), MPa 69 to 440
470 to 580

Thermal Properties

Latent Heat of Fusion, J/g 200
200
Maximum Temperature: Mechanical, °C 190
180
Melting Completion (Liquidus), °C 1070
1040
Melting Onset (Solidus), °C 1050
990
Specific Heat Capacity, J/kg-K 390
390
Thermal Conductivity, W/m-K 230
40
Thermal Expansion, µm/m-K 18
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 56
8.0
Electrical Conductivity: Equal Weight (Specific), % IACS 57
8.6

Otherwise Unclassified Properties

Base Metal Price, % relative 30
30
Density, g/cm3 8.8
8.4
Embodied Carbon, kg CO2/kg material 2.6
3.6
Embodied Energy, MJ/kg 42
56
Embodied Water, L/kg 310
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 13 to 100
19 to 120
Resilience: Unit (Modulus of Resilience), kJ/m3 21 to 830
930 to 1410
Stiffness to Weight: Axial, points 7.2
7.8
Stiffness to Weight: Bending, points 18
19
Strength to Weight: Axial, points 7.4 to 14
19 to 20
Strength to Weight: Bending, points 9.6 to 15
19
Thermal Diffusivity, mm2/s 69
12
Thermal Shock Resistance, points 8.1 to 15
22 to 23

Alloy Composition

Copper (Cu), % 94 to 96
63.5 to 66.5
Iron (Fe), % 0 to 0.050
0 to 0.25
Lead (Pb), % 0 to 0.030
0 to 0.050
Manganese (Mn), % 0
0 to 0.5
Nickel (Ni), % 0
11 to 13
Zinc (Zn), % 3.7 to 6.0
19.2 to 25.5
Residuals, % 0
0 to 0.5

Comparable Variants