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ASTM A228 Music Wire vs. C90200 Bronze

ASTM A228 music wire belongs to the iron alloys classification, while C90200 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 C90200 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 710
70
Elastic (Young's, Tensile) Modulus, GPa 190
110
Elongation at Break, % 12
30
Poisson's Ratio 0.29
0.34
Shear Modulus, GPa 72
41
Tensile Strength: Ultimate (UTS), MPa 2450
260
Tensile Strength: Yield (Proof), MPa 2050
110

Thermal Properties

Latent Heat of Fusion, J/g 250
200
Maximum Temperature: Mechanical, °C 400
180
Melting Completion (Liquidus), °C 1450
1050
Melting Onset (Solidus), °C 1410
880
Specific Heat Capacity, J/kg-K 470
370
Thermal Conductivity, W/m-K 49
62
Thermal Expansion, µm/m-K 12
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.1
13
Electrical Conductivity: Equal Weight (Specific), % IACS 8.2
13

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
34
Density, g/cm3 7.8
8.8
Embodied Carbon, kg CO2/kg material 1.4
3.3
Embodied Energy, MJ/kg 19
53
Embodied Water, L/kg 45
370

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 280
63
Stiffness to Weight: Axial, points 13
7.0
Stiffness to Weight: Bending, points 24
18
Strength to Weight: Axial, points 87
8.3
Strength to Weight: Bending, points 52
10
Thermal Diffusivity, mm2/s 13
19
Thermal Shock Resistance, points 79
9.5

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
91 to 94
Iron (Fe), % 98 to 99
0 to 0.2
Lead (Pb), % 0
0 to 0.3
Manganese (Mn), % 0.2 to 0.6
0
Nickel (Ni), % 0
0 to 0.5
Phosphorus (P), % 0 to 0.025
0 to 0.050
Silicon (Si), % 0.1 to 0.3
0 to 0.0050
Sulfur (S), % 0 to 0.030
0 to 0.050
Tin (Sn), % 0
6.0 to 8.0
Zinc (Zn), % 0
0 to 0.5
Residuals, % 0
0 to 0.6