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ASTM A228 Music Wire vs. N08320 Stainless Steel

Both ASTM A228 music wire and N08320 stainless steel are iron alloys. They have 46% 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 N08320 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 710
190
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 12
40
Fatigue Strength, MPa 1280
190
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 72
78
Shear Strength, MPa 1470
400
Tensile Strength: Ultimate (UTS), MPa 2450
580
Tensile Strength: Yield (Proof), MPa 2050
220

Thermal Properties

Latent Heat of Fusion, J/g 250
300
Maximum Temperature: Mechanical, °C 400
1100
Melting Completion (Liquidus), °C 1450
1400
Melting Onset (Solidus), °C 1410
1350
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 49
12
Thermal Expansion, µm/m-K 12
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.1
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 8.2
2.0

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
28
Density, g/cm3 7.8
8.0
Embodied Carbon, kg CO2/kg material 1.4
4.9
Embodied Energy, MJ/kg 19
69
Embodied Water, L/kg 45
200

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 280
180
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 87
20
Strength to Weight: Bending, points 52
20
Thermal Diffusivity, mm2/s 13
3.3
Thermal Shock Resistance, points 79
13

Alloy Composition

Carbon (C), % 0.7 to 1.0
0 to 0.050
Chromium (Cr), % 0
21 to 23
Iron (Fe), % 98 to 99
40.4 to 50
Manganese (Mn), % 0.2 to 0.6
0 to 2.5
Nickel (Ni), % 0
25 to 27
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 0.030