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ASTM A228 Music Wire vs. C86100 Bronze

ASTM A228 music wire belongs to the iron alloys classification, while C86100 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 C86100 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
110
Elongation at Break, % 12
20
Poisson's Ratio 0.29
0.32
Shear Modulus, GPa 72
43
Tensile Strength: Ultimate (UTS), MPa 2450
660
Tensile Strength: Yield (Proof), MPa 2050
350

Thermal Properties

Latent Heat of Fusion, J/g 250
200
Maximum Temperature: Mechanical, °C 400
170
Melting Completion (Liquidus), °C 1450
940
Melting Onset (Solidus), °C 1410
900
Specific Heat Capacity, J/kg-K 470
420
Thermal Conductivity, W/m-K 49
35
Thermal Expansion, µm/m-K 12
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.1
8.0
Electrical Conductivity: Equal Weight (Specific), % IACS 8.2
9.0

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
24
Density, g/cm3 7.8
8.0
Embodied Carbon, kg CO2/kg material 1.4
2.9
Embodied Energy, MJ/kg 19
49
Embodied Water, L/kg 45
350

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 280
110
Stiffness to Weight: Axial, points 13
7.8
Stiffness to Weight: Bending, points 24
20
Strength to Weight: Axial, points 87
23
Strength to Weight: Bending, points 52
21
Thermal Diffusivity, mm2/s 13
10
Thermal Shock Resistance, points 79
21

Alloy Composition

Aluminum (Al), % 0
4.5 to 5.5
Carbon (C), % 0.7 to 1.0
0
Copper (Cu), % 0
66 to 68
Iron (Fe), % 98 to 99
2.0 to 4.0
Lead (Pb), % 0
0 to 0.1
Manganese (Mn), % 0.2 to 0.6
2.5 to 5.0
Phosphorus (P), % 0 to 0.025
0
Silicon (Si), % 0.1 to 0.3
0
Sulfur (S), % 0 to 0.030
0
Tin (Sn), % 0
0 to 0.1
Zinc (Zn), % 0
17.3 to 25