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ASTM A228 Music Wire vs. S45000 Stainless Steel

Both ASTM A228 music wire and S45000 stainless steel are iron alloys. They have 76% 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 ASTM A228 music wire and the bottom bar is S45000 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 710
280 to 410
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 12
6.8 to 14
Fatigue Strength, MPa 1280
330 to 650
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 72
76
Shear Strength, MPa 1470
590 to 830
Tensile Strength: Ultimate (UTS), MPa 2450
980 to 1410
Tensile Strength: Yield (Proof), MPa 2050
580 to 1310

Thermal Properties

Latent Heat of Fusion, J/g 250
280
Maximum Temperature: Mechanical, °C 400
840
Melting Completion (Liquidus), °C 1450
1440
Melting Onset (Solidus), °C 1410
1390
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 49
17
Thermal Expansion, µm/m-K 12
11

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
13
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.4
2.8
Embodied Energy, MJ/kg 19
39
Embodied Water, L/kg 45
130

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 280
94 to 160
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 87
35 to 50
Strength to Weight: Bending, points 52
28 to 36
Thermal Diffusivity, mm2/s 13
4.5
Thermal Shock Resistance, points 79
33 to 47

Alloy Composition

Carbon (C), % 0.7 to 1.0
0 to 0.050
Chromium (Cr), % 0
14 to 16
Copper (Cu), % 0
1.3 to 1.8
Iron (Fe), % 98 to 99
72.1 to 79.3
Manganese (Mn), % 0.2 to 0.6
0 to 1.0
Molybdenum (Mo), % 0
0.5 to 1.0
Nickel (Ni), % 0
5.0 to 7.0
Phosphorus (P), % 0 to 0.025
0 to 0.040
Silicon (Si), % 0.1 to 0.3
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.030