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ASTM A228 Music Wire vs. C91000 Bronze

ASTM A228 music wire belongs to the iron alloys classification, while C91000 bronze belongs to the copper alloys. There are 28 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is ASTM A228 music wire and the bottom bar is C91000 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 710
180
Elastic (Young's, Tensile) Modulus, GPa 190
110
Elongation at Break, % 12
7.0
Poisson's Ratio 0.29
0.34
Shear Modulus, GPa 72
39
Tensile Strength: Ultimate (UTS), MPa 2450
230
Tensile Strength: Yield (Proof), MPa 2050
150

Thermal Properties

Latent Heat of Fusion, J/g 250
180
Maximum Temperature: Mechanical, °C 400
160
Melting Completion (Liquidus), °C 1450
960
Melting Onset (Solidus), °C 1410
820
Specific Heat Capacity, J/kg-K 470
360
Thermal Conductivity, W/m-K 49
64
Thermal Expansion, µm/m-K 12
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.1
9.0
Electrical Conductivity: Equal Weight (Specific), % IACS 8.2
9.4

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
37
Density, g/cm3 7.8
8.6
Embodied Carbon, kg CO2/kg material 1.4
4.1
Embodied Energy, MJ/kg 19
67
Embodied Water, L/kg 45
420

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 280
14
Stiffness to Weight: Axial, points 13
6.8
Stiffness to Weight: Bending, points 24
18
Strength to Weight: Axial, points 87
7.5
Strength to Weight: Bending, points 52
9.7
Thermal Diffusivity, mm2/s 13
20
Thermal Shock Resistance, points 79
8.8

Alloy Composition

Aluminum (Al), % 0
0 to 0.0050
Antimony (Sb), % 0
0 to 0.2
Carbon (C), % 0.7 to 1.0
0
Copper (Cu), % 0
84 to 86
Iron (Fe), % 98 to 99
0 to 0.1
Lead (Pb), % 0
0 to 0.2
Manganese (Mn), % 0.2 to 0.6
0
Nickel (Ni), % 0
0 to 0.8
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 0.050
Tin (Sn), % 0
14 to 16
Zinc (Zn), % 0
0 to 1.5
Residuals, % 0
0 to 0.6