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S32304 Stainless Steel vs. ASTM A228 Music Wire

Both S32304 stainless steel and ASTM A228 music wire are iron alloys. They have 71% 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 S32304 stainless steel and the bottom bar is ASTM A228 music wire.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 250
710
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 28
12
Fatigue Strength, MPa 330
1280
Poisson's Ratio 0.27
0.29
Shear Modulus, GPa 79
72
Shear Strength, MPa 440
1470
Tensile Strength: Ultimate (UTS), MPa 670
2450
Tensile Strength: Yield (Proof), MPa 460
2050

Thermal Properties

Latent Heat of Fusion, J/g 290
250
Maximum Temperature: Mechanical, °C 1050
400
Melting Completion (Liquidus), °C 1420
1450
Melting Onset (Solidus), °C 1380
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 14
1.8
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 2.8
1.4
Embodied Energy, MJ/kg 40
19
Embodied Water, L/kg 160
45

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 170
280
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 24
87
Strength to Weight: Bending, points 22
52
Thermal Diffusivity, mm2/s 4.0
13
Thermal Shock Resistance, points 18
79

Alloy Composition

Carbon (C), % 0 to 0.030
0.7 to 1.0
Chromium (Cr), % 21.5 to 24.5
0
Copper (Cu), % 0.050 to 0.6
0
Iron (Fe), % 65 to 75.4
98 to 99
Manganese (Mn), % 0 to 2.5
0.2 to 0.6
Molybdenum (Mo), % 0.050 to 0.6
0
Nickel (Ni), % 3.0 to 5.5
0
Nitrogen (N), % 0.050 to 0.2
0
Phosphorus (P), % 0 to 0.040
0 to 0.025
Silicon (Si), % 0 to 1.0
0.1 to 0.3
Sulfur (S), % 0 to 0.030
0 to 0.030