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ASTM A228 Music Wire vs. CR014A Copper

ASTM A228 music wire belongs to the iron alloys classification, while CR014A copper belongs to the copper alloys. There are 27 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 CR014A copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
120
Elongation at Break, % 12
15
Poisson's Ratio 0.29
0.34
Shear Modulus, GPa 72
43
Tensile Strength: Ultimate (UTS), MPa 2450
230
Tensile Strength: Yield (Proof), MPa 2050
140

Thermal Properties

Latent Heat of Fusion, J/g 250
210
Maximum Temperature: Mechanical, °C 400
200
Melting Completion (Liquidus), °C 1450
1090
Melting Onset (Solidus), °C 1410
1040
Specific Heat Capacity, J/kg-K 470
390
Thermal Conductivity, W/m-K 49
380
Thermal Expansion, µm/m-K 12
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.1
98
Electrical Conductivity: Equal Weight (Specific), % IACS 8.2
99

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
32
Density, g/cm3 7.8
9.0
Embodied Carbon, kg CO2/kg material 1.4
2.6
Embodied Energy, MJ/kg 19
42
Embodied Water, L/kg 45
340

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 280
31
Stiffness to Weight: Axial, points 13
7.2
Stiffness to Weight: Bending, points 24
18
Strength to Weight: Axial, points 87
7.1
Strength to Weight: Bending, points 52
9.3
Thermal Diffusivity, mm2/s 13
110
Thermal Shock Resistance, points 79
8.1

Alloy Composition

Bismuth (Bi), % 0
0 to 0.00050
Carbon (C), % 0.7 to 1.0
0
Copper (Cu), % 0
99.913 to 99.969
Iron (Fe), % 98 to 99
0
Manganese (Mn), % 0.2 to 0.6
0
Phosphorus (P), % 0 to 0.025
0.0010 to 0.0070
Silicon (Si), % 0.1 to 0.3
0
Silver (Ag), % 0
0.030 to 0.050
Sulfur (S), % 0 to 0.030
0