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ASTM A228 Music Wire vs. C55180 Copper

ASTM A228 music wire belongs to the iron alloys classification, while C55180 copper belongs to the copper alloys. There are 25 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is ASTM A228 music wire and the bottom bar is C55180 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
110
Elongation at Break, % 12
20
Poisson's Ratio 0.29
0.34
Shear Modulus, GPa 72
41
Tensile Strength: Ultimate (UTS), MPa 2450
200
Tensile Strength: Yield (Proof), MPa 2050
100

Thermal Properties

Latent Heat of Fusion, J/g 250
200
Maximum Temperature: Mechanical, °C 400
200
Melting Completion (Liquidus), °C 1450
920
Melting Onset (Solidus), °C 1410
710
Specific Heat Capacity, J/kg-K 470
400
Thermal Conductivity, W/m-K 49
200
Thermal Expansion, µm/m-K 12
17

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
29
Density, g/cm3 7.8
8.6
Embodied Carbon, kg CO2/kg material 1.4
2.5
Embodied Energy, MJ/kg 19
39
Embodied Water, L/kg 45
290

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 280
34
Stiffness to Weight: Axial, points 13
7.1
Stiffness to Weight: Bending, points 24
18
Strength to Weight: Axial, points 87
6.4
Strength to Weight: Bending, points 52
8.8
Thermal Diffusivity, mm2/s 13
56
Thermal Shock Resistance, points 79
7.9

Alloy Composition

Carbon (C), % 0.7 to 1.0
0
Copper (Cu), % 0
94.7 to 95.2
Iron (Fe), % 98 to 99
0
Manganese (Mn), % 0.2 to 0.6
0
Phosphorus (P), % 0 to 0.025
4.8 to 5.2
Silicon (Si), % 0.1 to 0.3
0
Sulfur (S), % 0 to 0.030
0
Residuals, % 0
0 to 0.15