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SAE-AISI 1552 Steel vs. ASTM A228 Music Wire

Both SAE-AISI 1552 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 (2, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI 1552 steel and the bottom bar is ASTM A228 music wire.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 220 to 250
710
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 11 to 14
12
Fatigue Strength, MPa 290 to 400
1280
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 72
72
Shear Strength, MPa 460 to 510
1470
Tensile Strength: Ultimate (UTS), MPa 760 to 840
2450
Tensile Strength: Yield (Proof), MPa 460 to 650
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 51
49
Thermal Expansion, µm/m-K 11
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 11
7.1
Electrical Conductivity: Equal Weight (Specific), % IACS 12
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 19
19
Embodied Water, L/kg 47
45

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 81 to 98
280
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 27 to 30
87
Strength to Weight: Bending, points 24 to 25
52
Thermal Diffusivity, mm2/s 14
13
Thermal Shock Resistance, points 26 to 29
79

Alloy Composition

Carbon (C), % 0.47 to 0.55
0.7 to 1.0
Iron (Fe), % 97.9 to 98.3
98 to 99
Manganese (Mn), % 1.2 to 1.5
0.2 to 0.6
Phosphorus (P), % 0 to 0.040
0 to 0.025
Silicon (Si), % 0
0.1 to 0.3
Sulfur (S), % 0 to 0.050
0 to 0.030