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ASTM A228 Music Wire vs. C77300 Nickel Silver

ASTM A228 music wire belongs to the iron alloys classification, while C77300 nickel silver belongs to the copper alloys. There are 22 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is ASTM A228 music wire and the bottom bar is C77300 nickel silver.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
110
Poisson's Ratio 0.29
0.3
Shear Modulus, GPa 72
42
Tensile Strength: Ultimate (UTS), MPa 2450
540

Thermal Properties

Latent Heat of Fusion, J/g 250
180
Maximum Temperature: Mechanical, °C 400
130
Melting Completion (Liquidus), °C 1450
940
Melting Onset (Solidus), °C 1410
920
Specific Heat Capacity, J/kg-K 470
390
Thermal Expansion, µm/m-K 12
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.1
5.5
Electrical Conductivity: Equal Weight (Specific), % IACS 8.2
6.3

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
26
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 1.4
3.5
Embodied Energy, MJ/kg 19
56
Embodied Water, L/kg 45
310

Common Calculations

Stiffness to Weight: Axial, points 13
7.7
Stiffness to Weight: Bending, points 24
20
Strength to Weight: Axial, points 87
19
Strength to Weight: Bending, points 52
19
Thermal Shock Resistance, points 79
17

Alloy Composition

Aluminum (Al), % 0
0 to 0.010
Carbon (C), % 0.7 to 1.0
0
Copper (Cu), % 0
46 to 50
Iron (Fe), % 98 to 99
0
Lead (Pb), % 0
0 to 0.050
Manganese (Mn), % 0.2 to 0.6
0
Nickel (Ni), % 0
9.0 to 11
Phosphorus (P), % 0 to 0.025
0 to 0.25
Silicon (Si), % 0.1 to 0.3
0.040 to 0.25
Sulfur (S), % 0 to 0.030
0
Zinc (Zn), % 0
37.9 to 45
Residuals, % 0
0 to 0.5