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H02 C26200 Brass vs. H02 C78200 Nickel Silver

Both H02 C26200 brass and H02 C78200 nickel silver are copper alloys. Both are furnished in the H02 (half hard) temper. 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 H02 C26200 brass and the bottom bar is H02 C78200 nickel silver.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
110
Elongation at Break, % 180
12
Poisson's Ratio 0.31
0.32
Rockwell B Hardness 75
78
Rockwell Superficial 30T Hardness 65
69
Shear Modulus, GPa 41
43
Shear Strength, MPa 280
320
Tensile Strength: Ultimate (UTS), MPa 460
480
Tensile Strength: Yield (Proof), MPa 390
430

Thermal Properties

Latent Heat of Fusion, J/g 180
190
Maximum Temperature: Mechanical, °C 140
160
Melting Completion (Liquidus), °C 950
1000
Melting Onset (Solidus), °C 920
970
Specific Heat Capacity, J/kg-K 390
390
Thermal Conductivity, W/m-K 120
48
Thermal Expansion, µm/m-K 20
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 28
11
Electrical Conductivity: Equal Weight (Specific), % IACS 31
12

Otherwise Unclassified Properties

Base Metal Price, % relative 25
28
Density, g/cm3 8.2
8.4
Embodied Carbon, kg CO2/kg material 2.7
3.3
Embodied Energy, MJ/kg 45
52
Embodied Water, L/kg 320
310

Common Calculations

Resilience: Unit (Modulus of Resilience), kJ/m3 710
840
Stiffness to Weight: Axial, points 7.2
7.4
Stiffness to Weight: Bending, points 19
19
Strength to Weight: Axial, points 15
16
Strength to Weight: Bending, points 16
16
Thermal Diffusivity, mm2/s 38
15
Thermal Shock Resistance, points 15
16

Alloy Composition

Copper (Cu), % 67 to 70
63 to 67
Iron (Fe), % 0 to 0.050
0 to 0.35
Lead (Pb), % 0 to 0.070
1.5 to 2.5
Manganese (Mn), % 0
0 to 0.5
Nickel (Ni), % 0
7.0 to 9.0
Zinc (Zn), % 29.6 to 33
20.2 to 28.5
Residuals, % 0
0 to 0.5