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EN 1.0225 Steel vs. ASTM A228 Music Wire

Both EN 1.0225 steel and ASTM A228 music wire are iron alloys. Their average alloy composition is basically identical. There are 30 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is EN 1.0225 steel and the bottom bar is ASTM A228 music wire.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 130 to 140
710
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 6.7 to 24
12
Fatigue Strength, MPa 170 to 220
1280
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
72
Shear Strength, MPa 280 to 290
1470
Tensile Strength: Ultimate (UTS), MPa 440 to 500
2450
Tensile Strength: Yield (Proof), MPa 230 to 380
2050

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Maximum Temperature: Mechanical, °C 400
400
Melting Completion (Liquidus), °C 1460
1450
Melting Onset (Solidus), °C 1420
1410
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 52
49
Thermal Expansion, µm/m-K 12
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.1
7.1
Electrical Conductivity: Equal Weight (Specific), % IACS 8.1
8.2

Otherwise Unclassified Properties

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

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 31 to 95
280
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 16 to 18
87
Strength to Weight: Bending, points 16 to 18
52
Thermal Diffusivity, mm2/s 14
13
Thermal Shock Resistance, points 14 to 16
79

Alloy Composition

Carbon (C), % 0 to 0.21
0.7 to 1.0
Iron (Fe), % 98 to 100
98 to 99
Manganese (Mn), % 0 to 1.4
0.2 to 0.6
Phosphorus (P), % 0 to 0.045
0 to 0.025
Silicon (Si), % 0 to 0.35
0.1 to 0.3
Sulfur (S), % 0 to 0.045
0 to 0.030