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C44400 Brass vs. C78200 Nickel Silver

Both C44400 brass and C78200 nickel silver are copper alloys. They have 90% of their average alloy composition in common. There are 26 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 C44400 brass and the bottom bar is C78200 nickel silver.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
110
Poisson's Ratio 0.32
0.32
Shear Modulus, GPa 41
43
Tensile Strength: Ultimate (UTS), MPa 350
370 to 630
Tensile Strength: Yield (Proof), MPa 120
170 to 570

Thermal Properties

Latent Heat of Fusion, J/g 180
190
Maximum Temperature: Mechanical, °C 140
160
Melting Completion (Liquidus), °C 940
1000
Melting Onset (Solidus), °C 900
970
Specific Heat Capacity, J/kg-K 380
390
Thermal Conductivity, W/m-K 110
48
Thermal Expansion, µm/m-K 20
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 25
11
Electrical Conductivity: Equal Weight (Specific), % IACS 27
12

Otherwise Unclassified Properties

Base Metal Price, % relative 26
28
Density, g/cm3 8.3
8.4
Embodied Carbon, kg CO2/kg material 2.8
3.3
Embodied Energy, MJ/kg 46
52
Embodied Water, L/kg 330
310

Common Calculations

Resilience: Unit (Modulus of Resilience), kJ/m3 65
130 to 1440
Stiffness to Weight: Axial, points 7.2
7.4
Stiffness to Weight: Bending, points 19
19
Strength to Weight: Axial, points 12
12 to 21
Strength to Weight: Bending, points 13
14 to 19
Thermal Diffusivity, mm2/s 35
15
Thermal Shock Resistance, points 12
12 to 21

Alloy Composition

Antimony (Sb), % 0.020 to 0.1
0
Copper (Cu), % 70 to 73
63 to 67
Iron (Fe), % 0 to 0.060
0 to 0.35
Lead (Pb), % 0 to 0.070
1.5 to 2.5
Manganese (Mn), % 0
0 to 0.5
Nickel (Ni), % 0
7.0 to 9.0
Tin (Sn), % 0.9 to 1.2
0
Zinc (Zn), % 25.2 to 29.1
20.2 to 28.5
Residuals, % 0
0 to 0.5