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ASTM A228 Music Wire vs. C82000 Copper

ASTM A228 music wire belongs to the iron alloys classification, while C82000 copper belongs to the copper alloys. There are 27 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is ASTM A228 music wire and the bottom bar is C82000 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
120
Elongation at Break, % 12
8.0 to 20
Poisson's Ratio 0.29
0.34
Shear Modulus, GPa 72
45
Tensile Strength: Ultimate (UTS), MPa 2450
350 to 690
Tensile Strength: Yield (Proof), MPa 2050
140 to 520

Thermal Properties

Latent Heat of Fusion, J/g 250
220
Maximum Temperature: Mechanical, °C 400
220
Melting Completion (Liquidus), °C 1450
1090
Melting Onset (Solidus), °C 1410
970
Specific Heat Capacity, J/kg-K 470
390
Thermal Conductivity, W/m-K 49
260
Thermal Expansion, µm/m-K 12
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.1
45
Electrical Conductivity: Equal Weight (Specific), % IACS 8.2
46

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
60
Density, g/cm3 7.8
8.9
Embodied Carbon, kg CO2/kg material 1.4
5.0
Embodied Energy, MJ/kg 19
77
Embodied Water, L/kg 45
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 280
51 to 55
Stiffness to Weight: Axial, points 13
7.5
Stiffness to Weight: Bending, points 24
18
Strength to Weight: Axial, points 87
11 to 22
Strength to Weight: Bending, points 52
12 to 20
Thermal Diffusivity, mm2/s 13
76
Thermal Shock Resistance, points 79
12 to 24

Alloy Composition

Aluminum (Al), % 0
0 to 0.1
Beryllium (Be), % 0
0.45 to 0.8
Carbon (C), % 0.7 to 1.0
0
Chromium (Cr), % 0
0 to 0.1
Cobalt (Co), % 0
2.2 to 2.7
Copper (Cu), % 0
95.2 to 97.4
Iron (Fe), % 98 to 99
0 to 0.1
Lead (Pb), % 0
0 to 0.020
Manganese (Mn), % 0.2 to 0.6
0
Nickel (Ni), % 0
0 to 0.2
Phosphorus (P), % 0 to 0.025
0
Silicon (Si), % 0.1 to 0.3
0 to 0.15
Sulfur (S), % 0 to 0.030
0
Tin (Sn), % 0
0 to 0.1
Zinc (Zn), % 0
0 to 0.1
Residuals, % 0
0 to 0.5