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ASTM A228 Music Wire vs. C94300 Bronze

ASTM A228 music wire belongs to the iron alloys classification, while C94300 bronze 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 C94300 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
87
Elongation at Break, % 12
9.7
Poisson's Ratio 0.29
0.36
Shear Modulus, GPa 72
32
Tensile Strength: Ultimate (UTS), MPa 2450
180
Tensile Strength: Yield (Proof), MPa 2050
120

Thermal Properties

Latent Heat of Fusion, J/g 250
150
Maximum Temperature: Mechanical, °C 400
110
Melting Completion (Liquidus), °C 1450
820
Melting Onset (Solidus), °C 1410
760
Specific Heat Capacity, J/kg-K 470
320
Thermal Conductivity, W/m-K 49
63
Thermal Expansion, µm/m-K 12
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.1
9.0
Electrical Conductivity: Equal Weight (Specific), % IACS 8.2
8.7

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
28
Density, g/cm3 7.8
9.3
Embodied Carbon, kg CO2/kg material 1.4
2.9
Embodied Energy, MJ/kg 19
47
Embodied Water, L/kg 45
370

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 280
15
Stiffness to Weight: Axial, points 13
5.2
Stiffness to Weight: Bending, points 24
16
Strength to Weight: Axial, points 87
5.2
Strength to Weight: Bending, points 52
7.4
Thermal Diffusivity, mm2/s 13
21
Thermal Shock Resistance, points 79
7.1

Alloy Composition

Aluminum (Al), % 0
0 to 0.0050
Antimony (Sb), % 0
0 to 0.8
Carbon (C), % 0.7 to 1.0
0
Copper (Cu), % 0
67 to 72
Iron (Fe), % 98 to 99
0 to 0.15
Lead (Pb), % 0
23 to 27
Manganese (Mn), % 0.2 to 0.6
0
Nickel (Ni), % 0
0 to 1.0
Phosphorus (P), % 0 to 0.025
0 to 1.5
Silicon (Si), % 0.1 to 0.3
0 to 0.0050
Sulfur (S), % 0 to 0.030
0 to 0.080
Tin (Sn), % 0
4.5 to 6.0
Zinc (Zn), % 0
0 to 0.8
Residuals, % 0
0 to 1.0