MakeItFrom.com
Menu (ESC)

OS015 C68800 Brass vs. OS015 C78200 Nickel Silver

Both OS015 C68800 brass and OS015 C78200 nickel silver are copper alloys. Both are furnished in the OS015 (annealed to 0.015mm grain size) temper. They have 88% of their average alloy composition in common. There are 29 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is OS015 C68800 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, % 36
32
Poisson's Ratio 0.32
0.32
Shear Modulus, GPa 41
43
Shear Strength, MPa 380
300
Tensile Strength: Ultimate (UTS), MPa 570
410
Tensile Strength: Yield (Proof), MPa 390
200

Thermal Properties

Latent Heat of Fusion, J/g 190
190
Maximum Temperature: Mechanical, °C 160
160
Melting Completion (Liquidus), °C 960
1000
Melting Onset (Solidus), °C 950
970
Specific Heat Capacity, J/kg-K 400
390
Thermal Conductivity, W/m-K 40
48
Thermal Expansion, µm/m-K 19
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 18
11
Electrical Conductivity: Equal Weight (Specific), % IACS 20
12

Otherwise Unclassified Properties

Base Metal Price, % relative 26
28
Density, g/cm3 8.2
8.4
Embodied Carbon, kg CO2/kg material 2.8
3.3
Embodied Energy, MJ/kg 48
52
Embodied Water, L/kg 350
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 180
110
Resilience: Unit (Modulus of Resilience), kJ/m3 710
180
Stiffness to Weight: Axial, points 7.3
7.4
Stiffness to Weight: Bending, points 19
19
Strength to Weight: Axial, points 19
13
Strength to Weight: Bending, points 19
15
Thermal Diffusivity, mm2/s 12
15
Thermal Shock Resistance, points 19
13

Alloy Composition

Aluminum (Al), % 3.0 to 3.8
0
Cobalt (Co), % 0.25 to 0.55
0
Copper (Cu), % 70.8 to 75.5
63 to 67
Iron (Fe), % 0 to 0.2
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
Zinc (Zn), % 21.3 to 24.1
20.2 to 28.5
Residuals, % 0
0 to 0.5