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C33000 Brass vs. C77400 Nickel Silver

Both C33000 brass and C77400 nickel silver are copper alloys. They have 78% of their average alloy composition in common. There are 27 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is C33000 brass and the bottom bar is C77400 nickel silver.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
110
Elongation at Break, % 7.0 to 60
25
Poisson's Ratio 0.31
0.3
Shear Modulus, GPa 40
42
Shear Strength, MPa 240 to 300
360
Tensile Strength: Ultimate (UTS), MPa 320 to 520
570
Tensile Strength: Yield (Proof), MPa 110 to 450
250

Thermal Properties

Latent Heat of Fusion, J/g 180
170
Maximum Temperature: Mechanical, °C 130
130
Melting Completion (Liquidus), °C 940
810
Melting Onset (Solidus), °C 900
770
Specific Heat Capacity, J/kg-K 390
390
Thermal Expansion, µm/m-K 20
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 26
27
Electrical Conductivity: Equal Weight (Specific), % IACS 29
31

Otherwise Unclassified Properties

Base Metal Price, % relative 24
25
Density, g/cm3 8.2
7.9
Embodied Carbon, kg CO2/kg material 2.7
3.5
Embodied Energy, MJ/kg 45
57
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
290
Stiffness to Weight: Axial, points 7.2
7.7
Stiffness to Weight: Bending, points 19
20
Strength to Weight: Axial, points 11 to 18
20
Strength to Weight: Bending, points 13 to 18
19
Thermal Shock Resistance, points 11 to 17
18

Alloy Composition

Copper (Cu), % 65 to 68
43 to 47
Iron (Fe), % 0 to 0.070
0
Lead (Pb), % 0.25 to 0.7
0 to 0.2
Nickel (Ni), % 0
9.0 to 11
Zinc (Zn), % 30.8 to 34.8
41.3 to 48
Residuals, % 0
0 to 0.5