MakeItFrom.com
Menu (ESC)

C66700 Brass vs. C77400 Nickel Silver

Both C66700 brass and C77400 nickel silver are copper alloys. They have 74% of their average alloy composition in common. There are 28 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 C66700 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, % 2.0 to 58
25
Poisson's Ratio 0.31
0.3
Rockwell B Hardness 57 to 93
73
Shear Modulus, GPa 41
42
Shear Strength, MPa 250 to 530
360
Tensile Strength: Ultimate (UTS), MPa 340 to 690
570
Tensile Strength: Yield (Proof), MPa 100 to 640
250

Thermal Properties

Latent Heat of Fusion, J/g 180
170
Maximum Temperature: Mechanical, °C 140
130
Melting Completion (Liquidus), °C 1090
810
Melting Onset (Solidus), °C 1050
770
Specific Heat Capacity, J/kg-K 390
390
Thermal Expansion, µm/m-K 20
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 17
27
Electrical Conductivity: Equal Weight (Specific), % IACS 19
31

Otherwise Unclassified Properties

Base Metal Price, % relative 25
25
Density, g/cm3 8.2
7.9
Embodied Carbon, kg CO2/kg material 2.7
3.5
Embodied Energy, MJ/kg 45
57
Embodied Water, L/kg 320
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 13 to 150
120
Resilience: Unit (Modulus of Resilience), kJ/m3 49 to 1900
290
Stiffness to Weight: Axial, points 7.3
7.7
Stiffness to Weight: Bending, points 19
20
Strength to Weight: Axial, points 11 to 23
20
Strength to Weight: Bending, points 13 to 21
19
Thermal Shock Resistance, points 11 to 23
18

Alloy Composition

Copper (Cu), % 68.5 to 71.5
43 to 47
Iron (Fe), % 0 to 0.1
0
Lead (Pb), % 0 to 0.070
0 to 0.2
Manganese (Mn), % 0.8 to 1.5
0
Nickel (Ni), % 0
9.0 to 11
Zinc (Zn), % 26.3 to 30.7
41.3 to 48
Residuals, % 0
0 to 0.5