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S32520 Stainless Steel vs. ASTM A228 Music Wire

Both S32520 stainless steel and ASTM A228 music wire are iron alloys. They have 63% of their average alloy composition in common. There are 30 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is S32520 stainless steel and the bottom bar is ASTM A228 music wire.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 270
710
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 28
12
Fatigue Strength, MPa 460
1280
Poisson's Ratio 0.27
0.29
Shear Modulus, GPa 80
72
Shear Strength, MPa 560
1470
Tensile Strength: Ultimate (UTS), MPa 860
2450
Tensile Strength: Yield (Proof), MPa 630
2050

Thermal Properties

Latent Heat of Fusion, J/g 300
250
Maximum Temperature: Mechanical, °C 1100
400
Melting Completion (Liquidus), °C 1440
1450
Melting Onset (Solidus), °C 1400
1410
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 15
49
Thermal Expansion, µm/m-K 13
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 20
1.8
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 4.0
1.4
Embodied Energy, MJ/kg 55
19
Embodied Water, L/kg 180
45

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 220
280
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 31
87
Strength to Weight: Bending, points 26
52
Thermal Diffusivity, mm2/s 4.1
13
Thermal Shock Resistance, points 24
79

Alloy Composition

Carbon (C), % 0 to 0.030
0.7 to 1.0
Chromium (Cr), % 24 to 26
0
Copper (Cu), % 0.5 to 2.0
0
Iron (Fe), % 57.3 to 66.8
98 to 99
Manganese (Mn), % 0 to 1.5
0.2 to 0.6
Molybdenum (Mo), % 3.0 to 4.0
0
Nickel (Ni), % 5.5 to 8.0
0
Nitrogen (N), % 0.2 to 0.35
0
Phosphorus (P), % 0 to 0.035
0 to 0.025
Silicon (Si), % 0 to 0.8
0.1 to 0.3
Sulfur (S), % 0 to 0.020
0 to 0.030