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ASTM A228 Music Wire vs. N08028 Stainless Steel

Both ASTM A228 music wire and N08028 stainless steel are iron alloys. They have a modest 35% of their average alloy composition in common, which, by itself, doesn't mean much. There are 28 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is ASTM A228 music wire and the bottom bar is N08028 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 710
180
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 12
45
Fatigue Strength, MPa 1280
220
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 72
80
Shear Strength, MPa 1470
400
Tensile Strength: Ultimate (UTS), MPa 2450
570
Tensile Strength: Yield (Proof), MPa 2050
240

Thermal Properties

Latent Heat of Fusion, J/g 250
320
Maximum Temperature: Mechanical, °C 400
1100
Melting Completion (Liquidus), °C 1450
1420
Melting Onset (Solidus), °C 1410
1370
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 49
12
Thermal Expansion, µm/m-K 12
16

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
37
Density, g/cm3 7.8
8.1
Embodied Carbon, kg CO2/kg material 1.4
6.4
Embodied Energy, MJ/kg 19
89
Embodied Water, L/kg 45
240

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 280
210
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
19
Thermal Diffusivity, mm2/s 13
3.2
Thermal Shock Resistance, points 79
12

Alloy Composition

Carbon (C), % 0.7 to 1.0
0 to 0.030
Chromium (Cr), % 0
26 to 28
Copper (Cu), % 0
0.6 to 1.4
Iron (Fe), % 98 to 99
29 to 40.4
Manganese (Mn), % 0.2 to 0.6
0 to 2.5
Molybdenum (Mo), % 0
3.0 to 4.0
Nickel (Ni), % 0
30 to 34
Phosphorus (P), % 0 to 0.025
0 to 0.030
Silicon (Si), % 0.1 to 0.3
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.030