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ASTM A216 Cast Steel vs. ASTM A228 Music Wire

Both ASTM A216 cast steel and ASTM A228 music wire are iron alloys. There are 28 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 A216 cast steel and the bottom bar is ASTM A228 music wire.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 25 to 27
12
Fatigue Strength, MPa 170 to 230
1280
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 72
72
Tensile Strength: Ultimate (UTS), MPa 500 to 570
2450
Tensile Strength: Yield (Proof), MPa 230 to 310
2050

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Maximum Temperature: Mechanical, °C 400
400
Melting Completion (Liquidus), °C 1450 to 1460
1450
Melting Onset (Solidus), °C 1410
1410
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 49 to 52
49
Thermal Expansion, µm/m-K 12
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.1 to 7.2
7.1
Electrical Conductivity: Equal Weight (Specific), % IACS 8.2 to 8.3
8.2

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
1.8
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.4
1.4
Embodied Energy, MJ/kg 18
19
Embodied Water, L/kg 45
45

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110 to 120
280
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 18 to 20
87
Strength to Weight: Bending, points 18 to 20
52
Thermal Diffusivity, mm2/s 13 to 14
13
Thermal Shock Resistance, points 16 to 18
79