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C99700 Brass vs. C77400 Nickel Silver

Both C99700 brass and C77400 nickel silver are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 72% of their average alloy composition in common. There are 26 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 C99700 brass and the bottom bar is C77400 nickel silver.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
110
Elongation at Break, % 25
25
Poisson's Ratio 0.32
0.3
Shear Modulus, GPa 46
42
Tensile Strength: Ultimate (UTS), MPa 380
570
Tensile Strength: Yield (Proof), MPa 170
250

Thermal Properties

Latent Heat of Fusion, J/g 200
170
Maximum Temperature: Mechanical, °C 160
130
Melting Completion (Liquidus), °C 900
810
Melting Onset (Solidus), °C 880
770
Specific Heat Capacity, J/kg-K 410
390
Thermal Expansion, µm/m-K 20
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.0
27
Electrical Conductivity: Equal Weight (Specific), % IACS 3.3
31

Otherwise Unclassified Properties

Base Metal Price, % relative 25
25
Density, g/cm3 8.1
7.9
Embodied Carbon, kg CO2/kg material 3.3
3.5
Embodied Energy, MJ/kg 53
57
Embodied Water, L/kg 320
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 78
120
Resilience: Unit (Modulus of Resilience), kJ/m3 120
290
Stiffness to Weight: Axial, points 8.3
7.7
Stiffness to Weight: Bending, points 20
20
Strength to Weight: Axial, points 13
20
Strength to Weight: Bending, points 14
19
Thermal Shock Resistance, points 11
18

Alloy Composition

Aluminum (Al), % 0.5 to 3.0
0
Copper (Cu), % 54 to 65.5
43 to 47
Iron (Fe), % 0 to 1.0
0
Lead (Pb), % 0 to 2.0
0 to 0.2
Manganese (Mn), % 11 to 15
0
Nickel (Ni), % 4.0 to 6.0
9.0 to 11
Tin (Sn), % 0 to 1.0
0
Zinc (Zn), % 19 to 25
41.3 to 48
Residuals, % 0
0 to 0.5