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ASTM A228 Music Wire vs. SAE-AISI 9310 Steel

Both ASTM A228 music wire and SAE-AISI 9310 steel are iron alloys. They have a very high 95% 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 SAE-AISI 9310 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 710
540 to 610
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 12
17 to 19
Fatigue Strength, MPa 1280
300 to 390
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 72
73
Shear Strength, MPa 1470
510 to 570
Tensile Strength: Ultimate (UTS), MPa 2450
820 to 910
Tensile Strength: Yield (Proof), MPa 2050
450 to 570

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Maximum Temperature: Mechanical, °C 400
440
Melting Completion (Liquidus), °C 1450
1460
Melting Onset (Solidus), °C 1410
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 49
48
Thermal Expansion, µm/m-K 12
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.1
7.7
Electrical Conductivity: Equal Weight (Specific), % IACS 8.2
8.9

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
4.4
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 1.4
1.8
Embodied Energy, MJ/kg 19
24
Embodied Water, L/kg 45
57

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 280
120 to 150
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 87
29 to 32
Strength to Weight: Bending, points 52
25 to 27
Thermal Diffusivity, mm2/s 13
13
Thermal Shock Resistance, points 79
24 to 27

Alloy Composition

Carbon (C), % 0.7 to 1.0
0.080 to 0.13
Chromium (Cr), % 0
1.0 to 1.4
Iron (Fe), % 98 to 99
93.8 to 95.2
Manganese (Mn), % 0.2 to 0.6
0.45 to 0.65
Molybdenum (Mo), % 0
0.080 to 0.15
Nickel (Ni), % 0
3.0 to 3.5
Phosphorus (P), % 0 to 0.025
0 to 0.015
Silicon (Si), % 0.1 to 0.3
0.2 to 0.35
Sulfur (S), % 0 to 0.030
0 to 0.012