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ASTM A228 Music Wire vs. C94900 Bronze

ASTM A228 music wire belongs to the iron alloys classification, while C94900 bronze belongs to the copper alloys. There are 25 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is ASTM A228 music wire and the bottom bar is C94900 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
110
Elongation at Break, % 12
17
Poisson's Ratio 0.29
0.34
Shear Modulus, GPa 72
41
Tensile Strength: Ultimate (UTS), MPa 2450
300
Tensile Strength: Yield (Proof), MPa 2050
130

Thermal Properties

Latent Heat of Fusion, J/g 250
190
Maximum Temperature: Mechanical, °C 400
170
Melting Completion (Liquidus), °C 1450
980
Melting Onset (Solidus), °C 1410
910
Specific Heat Capacity, J/kg-K 470
370
Thermal Expansion, µm/m-K 12
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.1
14
Electrical Conductivity: Equal Weight (Specific), % IACS 8.2
14

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
32
Density, g/cm3 7.8
8.8
Embodied Carbon, kg CO2/kg material 1.4
3.4
Embodied Energy, MJ/kg 19
55
Embodied Water, L/kg 45
350

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 280
41
Stiffness to Weight: Axial, points 13
6.9
Stiffness to Weight: Bending, points 24
18
Strength to Weight: Axial, points 87
9.4
Strength to Weight: Bending, points 52
11
Thermal Shock Resistance, points 79
11

Alloy Composition

Aluminum (Al), % 0
0 to 0.0050
Antimony (Sb), % 0
0 to 0.25
Carbon (C), % 0.7 to 1.0
0
Copper (Cu), % 0
79 to 81
Iron (Fe), % 98 to 99
0 to 0.3
Lead (Pb), % 0
4.0 to 6.0
Manganese (Mn), % 0.2 to 0.6
0 to 0.1
Nickel (Ni), % 0
4.0 to 6.0
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 0.080
Tin (Sn), % 0
4.0 to 6.0
Zinc (Zn), % 0
4.0 to 6.0
Residuals, % 0
0 to 0.8