MakeItFrom.com
Menu (ESC)

C66700 Brass vs. C75400 Nickel Silver

Both C66700 brass and C75400 nickel silver are copper alloys. They have 85% of their average alloy composition in common.

For each property being compared, the top bar is C66700 brass and the bottom bar is C75400 nickel silver.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
120
Elongation at Break, % 2.0 to 58
2.0 to 43
Poisson's Ratio 0.31
0.32
Rockwell B Hardness 57 to 93
60 to 90
Rockwell Superficial 30T Hardness 30 to 90
27 to 77
Shear Modulus, GPa 41
46
Shear Strength, MPa 250 to 530
250 to 370
Tensile Strength: Ultimate (UTS), MPa 340 to 690
370 to 630
Tensile Strength: Yield (Proof), MPa 100 to 640
130 to 590

Thermal Properties

Latent Heat of Fusion, J/g 180
200
Maximum Temperature: Mechanical, °C 140
190
Melting Completion (Liquidus), °C 1090
1080
Melting Onset (Solidus), °C 1050
1040
Specific Heat Capacity, J/kg-K 390
390
Thermal Conductivity, W/m-K 97
36
Thermal Expansion, µm/m-K 20
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 17
7.0
Electrical Conductivity: Equal Weight (Specific), % IACS 19
7.4

Otherwise Unclassified Properties

Base Metal Price, % relative 25
32
Density, g/cm3 8.2
8.5
Embodied Carbon, kg CO2/kg material 2.7
3.8
Embodied Energy, MJ/kg 45
59
Embodied Water, L/kg 320
300

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 13 to 150
12 to 120
Resilience: Unit (Modulus of Resilience), kJ/m3 49 to 1900
75 to 1450
Stiffness to Weight: Axial, points 7.3
7.9
Stiffness to Weight: Bending, points 19
19
Strength to Weight: Axial, points 11 to 23
12 to 21
Strength to Weight: Bending, points 13 to 21
13 to 19
Thermal Diffusivity, mm2/s 30
11
Thermal Shock Resistance, points 11 to 23
12 to 21

Alloy Composition

Copper (Cu), % 68.5 to 71.5
63.5 to 66.5
Iron (Fe), % 0 to 0.1
0 to 0.25
Lead (Pb), % 0 to 0.070
0 to 0.1
Manganese (Mn), % 0.8 to 1.5
0 to 0.5
Nickel (Ni), % 0
14 to 16
Zinc (Zn), % 26.3 to 30.7
16.2 to 22.5
Residuals, % 0
0 to 0.5

Comparable Variants