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ASTM A228 Music Wire vs. S31100 Stainless Steel

Both ASTM A228 music wire and S31100 stainless steel are iron alloys. They have 67% of their average alloy composition in common. There are 30 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is ASTM A228 music wire and the bottom bar is S31100 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 710
270
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 12
4.5
Fatigue Strength, MPa 1280
330
Poisson's Ratio 0.29
0.27
Shear Modulus, GPa 72
79
Shear Strength, MPa 1470
580
Tensile Strength: Ultimate (UTS), MPa 2450
1000
Tensile Strength: Yield (Proof), MPa 2050
710

Thermal Properties

Latent Heat of Fusion, J/g 250
300
Maximum Temperature: Mechanical, °C 400
1100
Melting Completion (Liquidus), °C 1450
1420
Melting Onset (Solidus), °C 1410
1380
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 49
16
Thermal Expansion, µm/m-K 12
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.1
2.0
Electrical Conductivity: Equal Weight (Specific), % IACS 8.2
2.4

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
16
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 1.4
3.1
Embodied Energy, MJ/kg 19
44
Embodied Water, L/kg 45
170

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 280
40
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 87
36
Strength to Weight: Bending, points 52
29
Thermal Diffusivity, mm2/s 13
4.2
Thermal Shock Resistance, points 79
28

Alloy Composition

Carbon (C), % 0.7 to 1.0
0 to 0.060
Chromium (Cr), % 0
25 to 27
Iron (Fe), % 98 to 99
63.6 to 69
Manganese (Mn), % 0.2 to 0.6
0 to 1.0
Nickel (Ni), % 0
6.0 to 7.0
Phosphorus (P), % 0 to 0.025
0 to 0.045
Silicon (Si), % 0.1 to 0.3
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.030
Titanium (Ti), % 0
0 to 0.25