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ASTM A228 Music Wire vs. S44536 Stainless Steel

Both ASTM A228 music wire and S44536 stainless steel are iron alloys. They have 77% 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 S44536 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 710
170
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 12
22
Fatigue Strength, MPa 1280
190
Poisson's Ratio 0.29
0.27
Shear Modulus, GPa 72
78
Shear Strength, MPa 1470
290
Tensile Strength: Ultimate (UTS), MPa 2450
460
Tensile Strength: Yield (Proof), MPa 2050
280

Thermal Properties

Latent Heat of Fusion, J/g 250
290
Maximum Temperature: Mechanical, °C 400
990
Melting Completion (Liquidus), °C 1450
1440
Melting Onset (Solidus), °C 1410
1390
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 49
21
Thermal Expansion, µm/m-K 12
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.1
2.6
Electrical Conductivity: Equal Weight (Specific), % IACS 8.2
3.0

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
13
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 1.4
2.8
Embodied Energy, MJ/kg 19
41
Embodied Water, L/kg 45
140

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 280
89
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 87
17
Strength to Weight: Bending, points 52
17
Thermal Diffusivity, mm2/s 13
5.6
Thermal Shock Resistance, points 79
16

Alloy Composition

Carbon (C), % 0.7 to 1.0
0 to 0.015
Chromium (Cr), % 0
20 to 23
Iron (Fe), % 98 to 99
72.8 to 80
Manganese (Mn), % 0.2 to 0.6
0 to 1.0
Nickel (Ni), % 0
0 to 0.5
Niobium (Nb), % 0
0.050 to 0.8
Nitrogen (N), % 0
0 to 0.015
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
Titanium (Ti), % 0
0 to 0.8