MakeItFrom.com
Menu (ESC)

C85400 Brass vs. C77400 Nickel Silver

Both C85400 brass and C77400 nickel silver 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 C85400 brass and the bottom bar is C77400 nickel silver.

Metric UnitsUS Customary Units

Mechanical Properties

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

Thermal Properties

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

Electrical Properties

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

Otherwise Unclassified Properties

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

Common Calculations

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

Alloy Composition

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