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ASTM A228 Music Wire vs. EN 1.0303 Steel

Both ASTM A228 music wire and EN 1.0303 steel are iron alloys. They have a very high 99% of their average alloy composition in common. There are 30 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is ASTM A228 music wire and the bottom bar is EN 1.0303 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 710
84 to 120
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 12
12 to 25
Fatigue Strength, MPa 1280
150 to 230
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 72
73
Shear Strength, MPa 1470
220 to 260
Tensile Strength: Ultimate (UTS), MPa 2450
290 to 410
Tensile Strength: Yield (Proof), MPa 2050
200 to 320

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Maximum Temperature: Mechanical, °C 400
400
Melting Completion (Liquidus), °C 1450
1470
Melting Onset (Solidus), °C 1410
1430
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 49
53
Thermal Expansion, µm/m-K 12
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.1
6.9
Electrical Conductivity: Equal Weight (Specific), % IACS 8.2
7.9

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
1.8
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 1.4
1.4
Embodied Energy, MJ/kg 19
18
Embodied Water, L/kg 45
46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 280
30 to 94
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 87
10 to 15
Strength to Weight: Bending, points 52
12 to 16
Thermal Diffusivity, mm2/s 13
14
Thermal Shock Resistance, points 79
9.2 to 13

Alloy Composition

Aluminum (Al), % 0
0.020 to 0.060
Carbon (C), % 0.7 to 1.0
0.020 to 0.060
Iron (Fe), % 98 to 99
99.335 to 99.71
Manganese (Mn), % 0.2 to 0.6
0.25 to 0.4
Phosphorus (P), % 0 to 0.025
0 to 0.020
Silicon (Si), % 0.1 to 0.3
0 to 0.1
Sulfur (S), % 0 to 0.030
0 to 0.025