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C77400 Nickel Silver vs. C99750 Brass

Both C77400 nickel silver and C99750 brass are copper alloys. They have 68% of their average alloy composition in common. There are 27 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is C77400 nickel silver and the bottom bar is C99750 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
130
Elongation at Break, % 25
20 to 30
Poisson's Ratio 0.3
0.32
Rockwell B Hardness 73
77 to 82
Shear Modulus, GPa 42
48
Tensile Strength: Ultimate (UTS), MPa 570
450 to 520
Tensile Strength: Yield (Proof), MPa 250
220 to 280

Thermal Properties

Latent Heat of Fusion, J/g 170
200
Maximum Temperature: Mechanical, °C 130
160
Melting Completion (Liquidus), °C 810
840
Melting Onset (Solidus), °C 770
820
Specific Heat Capacity, J/kg-K 390
410
Thermal Expansion, µm/m-K 21
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 27
2.0
Electrical Conductivity: Equal Weight (Specific), % IACS 31
2.2

Otherwise Unclassified Properties

Base Metal Price, % relative 25
23
Density, g/cm3 7.9
8.1
Embodied Carbon, kg CO2/kg material 3.5
3.1
Embodied Energy, MJ/kg 57
51
Embodied Water, L/kg 320
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
87 to 110
Resilience: Unit (Modulus of Resilience), kJ/m3 290
190 to 300
Stiffness to Weight: Axial, points 7.7
8.6
Stiffness to Weight: Bending, points 20
21
Strength to Weight: Axial, points 20
15 to 18
Strength to Weight: Bending, points 19
16 to 18
Thermal Shock Resistance, points 18
13 to 15

Alloy Composition

Aluminum (Al), % 0
0.25 to 3.0
Copper (Cu), % 43 to 47
55 to 61
Iron (Fe), % 0
0 to 1.0
Lead (Pb), % 0 to 0.2
0.5 to 2.5
Manganese (Mn), % 0
17 to 23
Nickel (Ni), % 9.0 to 11
0 to 5.0
Zinc (Zn), % 41.3 to 48
17 to 23
Residuals, % 0
0 to 0.3