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CC750S Brass vs. C97800 Nickel Silver

Both CC750S brass and C97800 nickel silver are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 70% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is CC750S brass and the bottom bar is C97800 nickel silver.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
130
Elongation at Break, % 13
10
Poisson's Ratio 0.31
0.33
Shear Modulus, GPa 40
48
Tensile Strength: Ultimate (UTS), MPa 200
370
Tensile Strength: Yield (Proof), MPa 80
170

Thermal Properties

Latent Heat of Fusion, J/g 170
220
Maximum Temperature: Mechanical, °C 130
230
Melting Completion (Liquidus), °C 860
1180
Melting Onset (Solidus), °C 810
1140
Specific Heat Capacity, J/kg-K 380
390
Thermal Conductivity, W/m-K 110
25
Thermal Expansion, µm/m-K 20
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 24
4.0
Electrical Conductivity: Equal Weight (Specific), % IACS 26
4.1

Otherwise Unclassified Properties

Base Metal Price, % relative 25
40
Density, g/cm3 8.2
8.8
Embodied Carbon, kg CO2/kg material 2.8
5.1
Embodied Energy, MJ/kg 46
76
Embodied Water, L/kg 330
330

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 22
31
Resilience: Unit (Modulus of Resilience), kJ/m3 30
120
Stiffness to Weight: Axial, points 7.1
8.1
Stiffness to Weight: Bending, points 19
19
Strength to Weight: Axial, points 6.8
12
Strength to Weight: Bending, points 9.3
13
Thermal Diffusivity, mm2/s 35
7.3
Thermal Shock Resistance, points 6.7
13

Alloy Composition

Aluminum (Al), % 0 to 0.1
0 to 0.0050
Antimony (Sb), % 0
0 to 0.2
Copper (Cu), % 62 to 67
64 to 67
Iron (Fe), % 0 to 0.8
0 to 1.5
Lead (Pb), % 1.0 to 3.0
1.0 to 2.5
Manganese (Mn), % 0 to 0.2
0
Nickel (Ni), % 0 to 1.0
24 to 27
Phosphorus (P), % 0 to 0.050
0 to 0.050
Silicon (Si), % 0 to 0.050
0 to 0.15
Sulfur (S), % 0
0 to 0.080
Tin (Sn), % 0 to 1.5
4.0 to 5.5
Zinc (Zn), % 26.3 to 36
1.0 to 4.0
Residuals, % 0
0 to 0.4