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OS035 C43000 Brass vs. OS035 C78200 Nickel Silver

Both OS035 C43000 brass and OS035 C78200 nickel silver are copper alloys. Both are furnished in the OS035 (annealed to 0.035mm grain size) temper. They have 77% of their average alloy composition in common. There are 30 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is OS035 C43000 brass and the bottom bar is OS035 C78200 nickel silver.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
110
Elongation at Break, % 55
40
Poisson's Ratio 0.33
0.32
Rockwell F Hardness 69
78
Shear Modulus, GPa 42
43
Shear Strength, MPa 230
280
Tensile Strength: Ultimate (UTS), MPa 320
370
Tensile Strength: Yield (Proof), MPa 130
170

Thermal Properties

Latent Heat of Fusion, J/g 190
190
Maximum Temperature: Mechanical, °C 170
160
Melting Completion (Liquidus), °C 1030
1000
Melting Onset (Solidus), °C 1000
970
Specific Heat Capacity, J/kg-K 380
390
Thermal Conductivity, W/m-K 120
48
Thermal Expansion, µm/m-K 18
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 27
11
Electrical Conductivity: Equal Weight (Specific), % IACS 28
12

Otherwise Unclassified Properties

Base Metal Price, % relative 29
28
Density, g/cm3 8.6
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: Ultimate (Unit Rupture Work), MJ/m3 140
120
Resilience: Unit (Modulus of Resilience), kJ/m3 82
130
Stiffness to Weight: Axial, points 7.1
7.4
Stiffness to Weight: Bending, points 19
19
Strength to Weight: Axial, points 10
12
Strength to Weight: Bending, points 12
14
Thermal Diffusivity, mm2/s 36
15
Thermal Shock Resistance, points 11
12

Alloy Composition

Copper (Cu), % 84 to 87
63 to 67
Iron (Fe), % 0 to 0.050
0 to 0.35
Lead (Pb), % 0 to 0.1
1.5 to 2.5
Manganese (Mn), % 0
0 to 0.5
Nickel (Ni), % 0
7.0 to 9.0
Tin (Sn), % 1.7 to 2.7
0
Zinc (Zn), % 9.7 to 14.3
20.2 to 28.5
Residuals, % 0
0 to 0.5