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OS015 C42200 Brass vs. OS015 C78200 Nickel Silver

Both OS015 C42200 brass and OS015 C78200 nickel silver are copper alloys. Both are furnished in the OS015 (annealed to 0.015mm grain size) temper. They have 76% 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 OS015 C42200 brass and the bottom bar is OS015 C78200 nickel silver.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
110
Elongation at Break, % 44
32
Poisson's Ratio 0.33
0.32
Rockwell F Hardness 75
85
Shear Modulus, GPa 42
43
Shear Strength, MPa 220
300
Tensile Strength: Ultimate (UTS), MPa 320
410
Tensile Strength: Yield (Proof), MPa 130
200

Thermal Properties

Latent Heat of Fusion, J/g 200
190
Maximum Temperature: Mechanical, °C 170
160
Melting Completion (Liquidus), °C 1040
1000
Melting Onset (Solidus), °C 1020
970
Specific Heat Capacity, J/kg-K 380
390
Thermal Conductivity, W/m-K 130
48
Thermal Expansion, µm/m-K 18
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 31
11
Electrical Conductivity: Equal Weight (Specific), % IACS 32
12

Otherwise Unclassified Properties

Base Metal Price, % relative 29
28
Density, g/cm3 8.6
8.4
Embodied Carbon, kg CO2/kg material 2.7
3.3
Embodied Energy, MJ/kg 44
52
Embodied Water, L/kg 320
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
110
Resilience: Unit (Modulus of Resilience), kJ/m3 75
180
Stiffness to Weight: Axial, points 7.2
7.4
Stiffness to Weight: Bending, points 19
19
Strength to Weight: Axial, points 10
13
Strength to Weight: Bending, points 12
15
Thermal Diffusivity, mm2/s 39
15
Thermal Shock Resistance, points 11
13

Alloy Composition

Copper (Cu), % 86 to 89
63 to 67
Iron (Fe), % 0 to 0.050
0 to 0.35
Lead (Pb), % 0 to 0.050
1.5 to 2.5
Manganese (Mn), % 0
0 to 0.5
Nickel (Ni), % 0
7.0 to 9.0
Phosphorus (P), % 0 to 0.35
0
Tin (Sn), % 0.8 to 1.4
0
Zinc (Zn), % 8.7 to 13.2
20.2 to 28.5
Residuals, % 0
0 to 0.5