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C33000 Brass vs. C74500 Nickel Silver

Both C33000 brass and C74500 nickel silver are copper alloys. They have 90% of their average alloy composition in common. There are 30 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is C33000 brass and the bottom bar is C74500 nickel silver.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
120
Elongation at Break, % 7.0 to 60
3.0 to 24
Poisson's Ratio 0.31
0.32
Rockwell Superficial 30T Hardness 26 to 69
60 to 79
Shear Modulus, GPa 40
44
Shear Strength, MPa 240 to 300
310 to 380
Tensile Strength: Ultimate (UTS), MPa 320 to 520
390 to 700
Tensile Strength: Yield (Proof), MPa 110 to 450
380 to 600

Thermal Properties

Latent Heat of Fusion, J/g 180
190
Maximum Temperature: Mechanical, °C 130
170
Melting Completion (Liquidus), °C 940
1020
Melting Onset (Solidus), °C 900
970
Specific Heat Capacity, J/kg-K 390
390
Thermal Conductivity, W/m-K 120
45
Thermal Expansion, µm/m-K 20
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 26
9.0
Electrical Conductivity: Equal Weight (Specific), % IACS 29
9.7

Otherwise Unclassified Properties

Base Metal Price, % relative 24
29
Density, g/cm3 8.2
8.3
Embodied Carbon, kg CO2/kg material 2.7
3.4
Embodied Energy, MJ/kg 45
54
Embodied Water, L/kg 320
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 35 to 150
12 to 160
Resilience: Unit (Modulus of Resilience), kJ/m3 60 to 950
620 to 1540
Stiffness to Weight: Axial, points 7.2
7.7
Stiffness to Weight: Bending, points 19
19
Strength to Weight: Axial, points 11 to 18
13 to 23
Strength to Weight: Bending, points 13 to 18
14 to 21
Thermal Diffusivity, mm2/s 37
14
Thermal Shock Resistance, points 11 to 17
13 to 23

Alloy Composition

Copper (Cu), % 65 to 68
63.5 to 66.5
Iron (Fe), % 0 to 0.070
0 to 0.25
Lead (Pb), % 0.25 to 0.7
0 to 0.1
Manganese (Mn), % 0
0 to 0.5
Nickel (Ni), % 0
9.0 to 11
Zinc (Zn), % 30.8 to 34.8
21.2 to 27.5
Residuals, % 0
0 to 0.5

Comparable Variants