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C84200 Brass vs. C77400 Nickel Silver

Both C84200 brass and C77400 nickel silver are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 59% of their average alloy composition in common. There are 26 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is C84200 brass and the bottom bar is C77400 nickel silver.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
110
Elongation at Break, % 15
25
Poisson's Ratio 0.33
0.3
Shear Modulus, GPa 40
42
Tensile Strength: Ultimate (UTS), MPa 250
570
Tensile Strength: Yield (Proof), MPa 120
250

Thermal Properties

Latent Heat of Fusion, J/g 180
170
Maximum Temperature: Mechanical, °C 150
130
Melting Completion (Liquidus), °C 990
810
Melting Onset (Solidus), °C 840
770
Specific Heat Capacity, J/kg-K 370
390
Thermal Expansion, µm/m-K 19
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 16
27
Electrical Conductivity: Equal Weight (Specific), % IACS 17
31

Otherwise Unclassified Properties

Base Metal Price, % relative 30
25
Density, g/cm3 8.5
7.9
Embodied Carbon, kg CO2/kg material 3.1
3.5
Embodied Energy, MJ/kg 51
57
Embodied Water, L/kg 350
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 31
120
Resilience: Unit (Modulus of Resilience), kJ/m3 72
290
Stiffness to Weight: Axial, points 6.9
7.7
Stiffness to Weight: Bending, points 18
20
Strength to Weight: Axial, points 8.2
20
Strength to Weight: Bending, points 10
19
Thermal Shock Resistance, points 9.1
18

Alloy Composition

Aluminum (Al), % 0 to 0.0050
0
Antimony (Sb), % 0 to 0.25
0
Copper (Cu), % 78 to 82
43 to 47
Iron (Fe), % 0 to 0.4
0
Lead (Pb), % 2.0 to 3.0
0 to 0.2
Nickel (Ni), % 0 to 0.8
9.0 to 11
Phosphorus (P), % 0 to 1.5
0
Silicon (Si), % 0 to 0.0050
0
Sulfur (S), % 0 to 0.080
0
Tin (Sn), % 4.0 to 6.0
0
Zinc (Zn), % 10 to 16
41.3 to 48
Residuals, % 0
0 to 0.5