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CC754S Brass vs. C97400 Nickel Silver

Both CC754S brass and C97400 nickel silver are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 77% of their average alloy composition in common.

For each property being compared, the top bar is CC754S brass and the bottom bar is C97400 nickel silver.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 90
70
Elastic (Young's, Tensile) Modulus, GPa 100
120
Elongation at Break, % 11
20
Poisson's Ratio 0.31
0.33
Shear Modulus, GPa 40
44
Tensile Strength: Ultimate (UTS), MPa 320
260
Tensile Strength: Yield (Proof), MPa 160
120

Thermal Properties

Latent Heat of Fusion, J/g 170
190
Maximum Temperature: Mechanical, °C 120
180
Melting Completion (Liquidus), °C 830
1100
Melting Onset (Solidus), °C 780
1070
Specific Heat Capacity, J/kg-K 390
380
Thermal Conductivity, W/m-K 95
27
Thermal Expansion, µm/m-K 21
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 27
6.0
Electrical Conductivity: Equal Weight (Specific), % IACS 30
6.3

Otherwise Unclassified Properties

Base Metal Price, % relative 23
33
Density, g/cm3 8.1
8.6
Embodied Carbon, kg CO2/kg material 2.8
4.1
Embodied Energy, MJ/kg 47
64
Embodied Water, L/kg 330
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 29
43
Resilience: Unit (Modulus of Resilience), kJ/m3 130
59
Stiffness to Weight: Axial, points 7.2
7.5
Stiffness to Weight: Bending, points 19
19
Strength to Weight: Axial, points 11
8.5
Strength to Weight: Bending, points 13
11
Thermal Diffusivity, mm2/s 31
8.3
Thermal Shock Resistance, points 10
8.8

Alloy Composition

Aluminum (Al), % 0 to 0.8
0
Copper (Cu), % 57 to 63
58 to 61
Iron (Fe), % 0 to 0.7
0 to 1.5
Lead (Pb), % 0.5 to 2.5
4.5 to 5.5
Manganese (Mn), % 0 to 0.5
0 to 0.5
Nickel (Ni), % 0 to 1.0
15.5 to 17
Phosphorus (P), % 0 to 0.020
0
Silicon (Si), % 0 to 0.3
0
Tin (Sn), % 0 to 1.0
2.5 to 3.5
Zinc (Zn), % 30.2 to 42.5
10 to 19.5
Residuals, % 0
0 to 1.0