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ASTM A228 Music Wire vs. EN 1.4057 Stainless Steel

Both ASTM A228 music wire and EN 1.4057 stainless steel are iron alloys. They have 81% of their average alloy composition in common. There are 29 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 EN 1.4057 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 12
11 to 17
Fatigue Strength, MPa 1280
320 to 430
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 72
77
Shear Strength, MPa 1470
520 to 580
Tensile Strength: Ultimate (UTS), MPa 2450
840 to 980
Tensile Strength: Yield (Proof), MPa 2050
530 to 790

Thermal Properties

Latent Heat of Fusion, J/g 250
280
Maximum Temperature: Mechanical, °C 400
850
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
25
Thermal Expansion, µm/m-K 12
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.1
2.5
Electrical Conductivity: Equal Weight (Specific), % IACS 8.2
2.9

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
9.5
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 1.4
2.2
Embodied Energy, MJ/kg 19
32
Embodied Water, L/kg 45
120

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 280
96 to 130
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 87
30 to 35
Strength to Weight: Bending, points 52
26 to 28
Thermal Diffusivity, mm2/s 13
6.7
Thermal Shock Resistance, points 79
30 to 35

Alloy Composition

Carbon (C), % 0.7 to 1.0
0.12 to 0.22
Chromium (Cr), % 0
15 to 17
Iron (Fe), % 98 to 99
77.7 to 83.4
Manganese (Mn), % 0.2 to 0.6
0 to 1.5
Nickel (Ni), % 0
1.5 to 2.5
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 0.015