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C69710 Brass vs. C77400 Nickel Silver

Both C69710 brass and C77400 nickel silver are copper alloys. They have 63% of their average alloy composition in common. There are 27 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 C69710 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, % 25
25
Poisson's Ratio 0.32
0.3
Shear Modulus, GPa 41
42
Shear Strength, MPa 300
360
Tensile Strength: Ultimate (UTS), MPa 470
570
Tensile Strength: Yield (Proof), MPa 230
250

Thermal Properties

Latent Heat of Fusion, J/g 240
170
Maximum Temperature: Mechanical, °C 160
130
Melting Completion (Liquidus), °C 930
810
Melting Onset (Solidus), °C 880
770
Specific Heat Capacity, J/kg-K 400
390
Thermal Expansion, µm/m-K 19
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.0
27
Electrical Conductivity: Equal Weight (Specific), % IACS 8.7
31

Otherwise Unclassified Properties

Base Metal Price, % relative 26
25
Density, g/cm3 8.3
7.9
Embodied Carbon, kg CO2/kg material 2.7
3.5
Embodied Energy, MJ/kg 44
57
Embodied Water, L/kg 310
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 99
120
Resilience: Unit (Modulus of Resilience), kJ/m3 250
290
Stiffness to Weight: Axial, points 7.3
7.7
Stiffness to Weight: Bending, points 19
20
Strength to Weight: Axial, points 16
20
Strength to Weight: Bending, points 16
19
Thermal Shock Resistance, points 16
18

Alloy Composition

Arsenic (As), % 0.030 to 0.060
0
Copper (Cu), % 75 to 80
43 to 47
Iron (Fe), % 0 to 0.2
0
Lead (Pb), % 0.5 to 1.5
0 to 0.2
Manganese (Mn), % 0 to 0.4
0
Nickel (Ni), % 0
9.0 to 11
Silicon (Si), % 2.5 to 3.5
0
Zinc (Zn), % 13.8 to 22
41.3 to 48
Residuals, % 0
0 to 0.5