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ASTM A228 Music Wire vs. C18100 Copper

ASTM A228 music wire belongs to the iron alloys classification, while C18100 copper belongs to the copper alloys. There are 28 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is ASTM A228 music wire and the bottom bar is C18100 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
120
Elongation at Break, % 12
8.3
Poisson's Ratio 0.29
0.34
Shear Modulus, GPa 72
47
Shear Strength, MPa 1470
300
Tensile Strength: Ultimate (UTS), MPa 2450
510
Tensile Strength: Yield (Proof), MPa 2050
460

Thermal Properties

Latent Heat of Fusion, J/g 250
210
Maximum Temperature: Mechanical, °C 400
200
Melting Completion (Liquidus), °C 1450
1080
Melting Onset (Solidus), °C 1410
1020
Specific Heat Capacity, J/kg-K 470
390
Thermal Conductivity, W/m-K 49
320
Thermal Expansion, µm/m-K 12
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.1
80
Electrical Conductivity: Equal Weight (Specific), % IACS 8.2
81

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
31
Density, g/cm3 7.8
8.9
Embodied Carbon, kg CO2/kg material 1.4
2.7
Embodied Energy, MJ/kg 19
43
Embodied Water, L/kg 45
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 280
40
Stiffness to Weight: Axial, points 13
7.3
Stiffness to Weight: Bending, points 24
18
Strength to Weight: Axial, points 87
16
Strength to Weight: Bending, points 52
16
Thermal Diffusivity, mm2/s 13
94
Thermal Shock Resistance, points 79
18

Alloy Composition

Carbon (C), % 0.7 to 1.0
0
Chromium (Cr), % 0
0.4 to 1.2
Copper (Cu), % 0
98.7 to 99.49
Iron (Fe), % 98 to 99
0
Magnesium (Mg), % 0
0.030 to 0.060
Manganese (Mn), % 0.2 to 0.6
0
Phosphorus (P), % 0 to 0.025
0
Silicon (Si), % 0.1 to 0.3
0
Sulfur (S), % 0 to 0.030
0
Zirconium (Zr), % 0
0.080 to 0.2
Residuals, % 0
0 to 0.5