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ASTM A228 Music Wire vs. S20161 Stainless Steel

Both ASTM A228 music wire and S20161 stainless steel are iron alloys. They have 70% of their average alloy composition in common. There are 30 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 S20161 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 710
250
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 12
46
Fatigue Strength, MPa 1280
360
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 72
76
Shear Strength, MPa 1470
690
Tensile Strength: Ultimate (UTS), MPa 2450
980
Tensile Strength: Yield (Proof), MPa 2050
390

Thermal Properties

Latent Heat of Fusion, J/g 250
330
Maximum Temperature: Mechanical, °C 400
870
Melting Completion (Liquidus), °C 1450
1380
Melting Onset (Solidus), °C 1410
1330
Specific Heat Capacity, J/kg-K 470
490
Thermal Conductivity, W/m-K 49
15
Thermal Expansion, µm/m-K 12
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.1
2.5
Electrical Conductivity: Equal Weight (Specific), % IACS 8.2
2.9

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
12
Density, g/cm3 7.8
7.5
Embodied Carbon, kg CO2/kg material 1.4
2.7
Embodied Energy, MJ/kg 19
39
Embodied Water, L/kg 45
130

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 280
360
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
26
Strength to Weight: Axial, points 87
36
Strength to Weight: Bending, points 52
29
Thermal Diffusivity, mm2/s 13
4.0
Thermal Shock Resistance, points 79
22

Alloy Composition

Carbon (C), % 0.7 to 1.0
0 to 0.15
Chromium (Cr), % 0
15 to 18
Iron (Fe), % 98 to 99
65.6 to 73.9
Manganese (Mn), % 0.2 to 0.6
4.0 to 6.0
Nickel (Ni), % 0
4.0 to 6.0
Nitrogen (N), % 0
0.080 to 0.2
Phosphorus (P), % 0 to 0.025
0 to 0.040
Silicon (Si), % 0.1 to 0.3
3.0 to 4.0
Sulfur (S), % 0 to 0.030
0 to 0.040