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S44635 Stainless Steel vs. ASTM A228 Music Wire

Both S44635 stainless steel and ASTM A228 music wire are iron alloys. They have 66% 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 S44635 stainless steel and the bottom bar is ASTM A228 music wire.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 240
710
Elastic (Young's, Tensile) Modulus, GPa 210
190
Elongation at Break, % 23
12
Fatigue Strength, MPa 390
1280
Poisson's Ratio 0.27
0.29
Shear Modulus, GPa 81
72
Shear Strength, MPa 450
1470
Tensile Strength: Ultimate (UTS), MPa 710
2450
Tensile Strength: Yield (Proof), MPa 580
2050

Thermal Properties

Latent Heat of Fusion, J/g 300
250
Maximum Temperature: Mechanical, °C 1100
400
Melting Completion (Liquidus), °C 1460
1450
Melting Onset (Solidus), °C 1420
1410
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 16
49
Thermal Expansion, µm/m-K 11
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
7.1
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
8.2

Otherwise Unclassified Properties

Base Metal Price, % relative 22
1.8
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 4.4
1.4
Embodied Energy, MJ/kg 62
19
Embodied Water, L/kg 170
45

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 150
280
Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 25
87
Strength to Weight: Bending, points 23
52
Thermal Diffusivity, mm2/s 4.4
13
Thermal Shock Resistance, points 23
79

Alloy Composition

Carbon (C), % 0 to 0.025
0.7 to 1.0
Chromium (Cr), % 24.5 to 26
0
Iron (Fe), % 61.5 to 68.5
98 to 99
Manganese (Mn), % 0 to 1.0
0.2 to 0.6
Molybdenum (Mo), % 3.5 to 4.5
0
Nickel (Ni), % 3.5 to 4.5
0
Niobium (Nb), % 0.2 to 0.8
0
Nitrogen (N), % 0 to 0.035
0
Phosphorus (P), % 0 to 0.040
0 to 0.025
Silicon (Si), % 0 to 0.75
0.1 to 0.3
Sulfur (S), % 0 to 0.030
0 to 0.030
Titanium (Ti), % 0.2 to 0.8
0