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ASTM A228 Music Wire vs. S31730 Stainless Steel

Both ASTM A228 music wire and S31730 stainless steel are iron alloys. They have 57% of their average alloy composition in common. There are 26 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is ASTM A228 music wire and the bottom bar is S31730 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 710
180
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 12
40
Fatigue Strength, MPa 1280
170
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 72
77
Shear Strength, MPa 1470
370
Tensile Strength: Ultimate (UTS), MPa 2450
540
Tensile Strength: Yield (Proof), MPa 2050
200

Thermal Properties

Latent Heat of Fusion, J/g 250
290
Maximum Temperature: Mechanical, °C 400
990
Melting Completion (Liquidus), °C 1450
1430
Melting Onset (Solidus), °C 1410
1390
Specific Heat Capacity, J/kg-K 470
470
Thermal Expansion, µm/m-K 12
16

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
24
Density, g/cm3 7.8
8.0
Embodied Carbon, kg CO2/kg material 1.4
4.6
Embodied Energy, MJ/kg 19
63
Embodied Water, L/kg 45
180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 280
170
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 87
19
Strength to Weight: Bending, points 52
18
Thermal Shock Resistance, points 79
12

Alloy Composition

Carbon (C), % 0.7 to 1.0
0 to 0.030
Chromium (Cr), % 0
17 to 19
Copper (Cu), % 0
4.0 to 5.0
Iron (Fe), % 98 to 99
52.4 to 61
Manganese (Mn), % 0.2 to 0.6
0 to 2.0
Molybdenum (Mo), % 0
3.0 to 4.0
Nickel (Ni), % 0
15 to 16.5
Nitrogen (N), % 0
0 to 0.045
Phosphorus (P), % 0 to 0.025
0 to 0.040
Silicon (Si), % 0.1 to 0.3
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.010