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ASTM A228 Music Wire vs. C73500 Nickel Silver

ASTM A228 music wire belongs to the iron alloys classification, while C73500 nickel silver belongs to the copper alloys. There are 24 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is ASTM A228 music wire and the bottom bar is C73500 nickel silver.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
130
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 72
47
Tensile Strength: Ultimate (UTS), MPa 2450
380 to 580

Thermal Properties

Latent Heat of Fusion, J/g 250
210
Maximum Temperature: Mechanical, °C 400
220
Melting Completion (Liquidus), °C 1450
1140
Melting Onset (Solidus), °C 1410
1090
Specific Heat Capacity, J/kg-K 470
400
Thermal Conductivity, W/m-K 49
36
Thermal Expansion, µm/m-K 12
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.1
6.5
Electrical Conductivity: Equal Weight (Specific), % IACS 8.2
6.7

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
35
Density, g/cm3 7.8
8.7
Embodied Carbon, kg CO2/kg material 1.4
4.0
Embodied Energy, MJ/kg 19
61
Embodied Water, L/kg 45
300

Common Calculations

Stiffness to Weight: Axial, points 13
8.0
Stiffness to Weight: Bending, points 24
19
Strength to Weight: Axial, points 87
12 to 19
Strength to Weight: Bending, points 52
13 to 18
Thermal Diffusivity, mm2/s 13
10
Thermal Shock Resistance, points 79
13 to 19

Alloy Composition

Carbon (C), % 0.7 to 1.0
0
Copper (Cu), % 0
70.5 to 73.5
Iron (Fe), % 98 to 99
0 to 0.25
Lead (Pb), % 0
0 to 0.1
Manganese (Mn), % 0.2 to 0.6
0 to 0.5
Nickel (Ni), % 0
16.5 to 19.5
Phosphorus (P), % 0 to 0.025
0
Silicon (Si), % 0.1 to 0.3
0
Sulfur (S), % 0 to 0.030
0
Zinc (Zn), % 0
5.7 to 13
Residuals, % 0
0 to 0.5