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ASTM A228 Music Wire vs. C65400 Bronze

ASTM A228 music wire belongs to the iron alloys classification, while C65400 bronze belongs to the copper alloys. There are 28 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is ASTM A228 music wire and the bottom bar is C65400 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
110
Elongation at Break, % 12
2.6 to 47
Poisson's Ratio 0.29
0.34
Shear Modulus, GPa 72
43
Shear Strength, MPa 1470
350 to 530
Tensile Strength: Ultimate (UTS), MPa 2450
500 to 1060
Tensile Strength: Yield (Proof), MPa 2050
170 to 910

Thermal Properties

Latent Heat of Fusion, J/g 250
260
Maximum Temperature: Mechanical, °C 400
200
Melting Completion (Liquidus), °C 1450
1020
Melting Onset (Solidus), °C 1410
960
Specific Heat Capacity, J/kg-K 470
400
Thermal Conductivity, W/m-K 49
36
Thermal Expansion, µm/m-K 12
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.1
7.0
Electrical Conductivity: Equal Weight (Specific), % IACS 8.2
7.3

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
31
Density, g/cm3 7.8
8.7
Embodied Carbon, kg CO2/kg material 1.4
2.8
Embodied Energy, MJ/kg 19
45
Embodied Water, L/kg 45
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 280
10 to 480
Stiffness to Weight: Axial, points 13
7.3
Stiffness to Weight: Bending, points 24
19
Strength to Weight: Axial, points 87
16 to 34
Strength to Weight: Bending, points 52
16 to 27
Thermal Diffusivity, mm2/s 13
10
Thermal Shock Resistance, points 79
18 to 39

Alloy Composition

Carbon (C), % 0.7 to 1.0
0
Chromium (Cr), % 0
0.010 to 0.12
Copper (Cu), % 0
93.8 to 96.1
Iron (Fe), % 98 to 99
0
Lead (Pb), % 0
0 to 0.050
Manganese (Mn), % 0.2 to 0.6
0
Phosphorus (P), % 0 to 0.025
0
Silicon (Si), % 0.1 to 0.3
2.7 to 3.4
Sulfur (S), % 0 to 0.030
0
Tin (Sn), % 0
1.2 to 1.9
Zinc (Zn), % 0
0 to 0.5
Residuals, % 0
0 to 0.2