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C33000 Brass vs. C74400 Nickel Silver

Both C33000 brass and C74400 nickel silver are copper alloys. They have a very high 97% 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 C33000 brass and the bottom bar is C74400 nickel silver.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
110
Elongation at Break, % 7.0 to 60
43
Poisson's Ratio 0.31
0.31
Shear Modulus, GPa 40
39
Shear Strength, MPa 240 to 300
240
Tensile Strength: Ultimate (UTS), MPa 320 to 520
350
Tensile Strength: Yield (Proof), MPa 110 to 450
120

Thermal Properties

Latent Heat of Fusion, J/g 180
180
Maximum Temperature: Mechanical, °C 130
140
Melting Completion (Liquidus), °C 940
930
Melting Onset (Solidus), °C 900
910
Specific Heat Capacity, J/kg-K 390
390
Thermal Conductivity, W/m-K 120
120
Thermal Expansion, µm/m-K 20
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 26
26
Electrical Conductivity: Equal Weight (Specific), % IACS 29
29

Otherwise Unclassified Properties

Base Metal Price, % relative 24
25
Density, g/cm3 8.2
8.2
Embodied Carbon, kg CO2/kg material 2.7
2.9
Embodied Energy, MJ/kg 45
48
Embodied Water, L/kg 320
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 35 to 150
120
Resilience: Unit (Modulus of Resilience), kJ/m3 60 to 950
63
Stiffness to Weight: Axial, points 7.2
7.4
Stiffness to Weight: Bending, points 19
19
Strength to Weight: Axial, points 11 to 18
12
Strength to Weight: Bending, points 13 to 18
14
Thermal Diffusivity, mm2/s 37
37
Thermal Shock Resistance, points 11 to 17
12

Alloy Composition

Copper (Cu), % 65 to 68
62 to 66
Iron (Fe), % 0 to 0.070
0 to 0.050
Lead (Pb), % 0.25 to 0.7
0 to 0.050
Nickel (Ni), % 0
2.0 to 4.0
Zinc (Zn), % 30.8 to 34.8
29.6 to 36
Residuals, % 0
0 to 0.3