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ASTM A228 Music Wire vs. ASTM A203 Steel

Both ASTM A228 music wire and ASTM A203 steel are iron alloys. There are 30 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is ASTM A228 music wire and the bottom bar is ASTM A203 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 710
160 to 180
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 12
22 to 26
Fatigue Strength, MPa 1280
210 to 280
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 72
73
Shear Strength, MPa 1470
330 to 370
Tensile Strength: Ultimate (UTS), MPa 2450
520 to 590
Tensile Strength: Yield (Proof), MPa 2050
290 to 390

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Maximum Temperature: Mechanical, °C 400
410
Melting Completion (Liquidus), °C 1450
1460
Melting Onset (Solidus), °C 1410
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 49
52
Thermal Expansion, µm/m-K 12
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.1
7.4 to 7.6
Electrical Conductivity: Equal Weight (Specific), % IACS 8.2
8.5 to 8.7

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
3.2 to 4.0
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 1.4
1.6 to 1.7
Embodied Energy, MJ/kg 19
21 to 23
Embodied Water, L/kg 45
50 to 52

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 280
110 to 120
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 87
18 to 21
Strength to Weight: Bending, points 52
18 to 20
Thermal Diffusivity, mm2/s 13
14
Thermal Shock Resistance, points 79
15 to 17