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C43000 Brass vs. C77400 Nickel Silver

Both C43000 brass and C77400 nickel silver are copper alloys. They have 57% of their average alloy composition in common. There are 28 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 C43000 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, % 3.0 to 55
25
Poisson's Ratio 0.33
0.3
Rockwell B Hardness 30 to 100
73
Shear Modulus, GPa 42
42
Shear Strength, MPa 230 to 410
360
Tensile Strength: Ultimate (UTS), MPa 320 to 710
570
Tensile Strength: Yield (Proof), MPa 130 to 550
250

Thermal Properties

Latent Heat of Fusion, J/g 190
170
Maximum Temperature: Mechanical, °C 170
130
Melting Completion (Liquidus), °C 1030
810
Melting Onset (Solidus), °C 1000
770
Specific Heat Capacity, J/kg-K 380
390
Thermal Expansion, µm/m-K 18
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 27
27
Electrical Conductivity: Equal Weight (Specific), % IACS 28
31

Otherwise Unclassified Properties

Base Metal Price, % relative 29
25
Density, g/cm3 8.6
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 20 to 150
120
Resilience: Unit (Modulus of Resilience), kJ/m3 82 to 1350
290
Stiffness to Weight: Axial, points 7.1
7.7
Stiffness to Weight: Bending, points 19
20
Strength to Weight: Axial, points 10 to 23
20
Strength to Weight: Bending, points 12 to 20
19
Thermal Shock Resistance, points 11 to 25
18

Alloy Composition

Copper (Cu), % 84 to 87
43 to 47
Iron (Fe), % 0 to 0.050
0
Lead (Pb), % 0 to 0.1
0 to 0.2
Nickel (Ni), % 0
9.0 to 11
Tin (Sn), % 1.7 to 2.7
0
Zinc (Zn), % 9.7 to 14.3
41.3 to 48
Residuals, % 0
0 to 0.5