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C77400 Nickel Silver vs. C85400 Brass

Both C77400 nickel silver and C85400 brass are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 74% 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 C77400 nickel silver and the bottom bar is C85400 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
100
Elongation at Break, % 25
23
Poisson's Ratio 0.3
0.32
Shear Modulus, GPa 42
40
Tensile Strength: Ultimate (UTS), MPa 570
220
Tensile Strength: Yield (Proof), MPa 250
85

Thermal Properties

Latent Heat of Fusion, J/g 170
180
Maximum Temperature: Mechanical, °C 130
130
Melting Completion (Liquidus), °C 810
940
Melting Onset (Solidus), °C 770
940
Specific Heat Capacity, J/kg-K 390
380
Thermal Expansion, µm/m-K 21
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 27
20
Electrical Conductivity: Equal Weight (Specific), % IACS 31
22

Otherwise Unclassified Properties

Base Metal Price, % relative 25
25
Density, g/cm3 7.9
8.3
Embodied Carbon, kg CO2/kg material 3.5
2.8
Embodied Energy, MJ/kg 57
46
Embodied Water, L/kg 320
330

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
40
Resilience: Unit (Modulus of Resilience), kJ/m3 290
35
Stiffness to Weight: Axial, points 7.7
7.0
Stiffness to Weight: Bending, points 20
19
Strength to Weight: Axial, points 20
7.5
Strength to Weight: Bending, points 19
9.9
Thermal Shock Resistance, points 18
7.6

Alloy Composition

Aluminum (Al), % 0
0 to 0.35
Copper (Cu), % 43 to 47
65 to 70
Iron (Fe), % 0
0 to 0.7
Lead (Pb), % 0 to 0.2
1.5 to 3.8
Nickel (Ni), % 9.0 to 11
0 to 1.0
Silicon (Si), % 0
0 to 0.050
Tin (Sn), % 0
0.5 to 1.5
Zinc (Zn), % 41.3 to 48
24 to 32
Residuals, % 0
0 to 1.1