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ASTM A228 Music Wire vs. EN 1.4903 Stainless Steel

Both ASTM A228 music wire and EN 1.4903 stainless steel are iron alloys. They have 90% 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 1.4903 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 12
20 to 21
Fatigue Strength, MPa 1280
320 to 330
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 72
75
Shear Strength, MPa 1470
420
Tensile Strength: Ultimate (UTS), MPa 2450
670 to 680
Tensile Strength: Yield (Proof), MPa 2050
500

Thermal Properties

Latent Heat of Fusion, J/g 250
270
Maximum Temperature: Mechanical, °C 400
650
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
26
Thermal Expansion, µm/m-K 12
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.1
3.4
Electrical Conductivity: Equal Weight (Specific), % IACS 8.2
4.0

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
7.0
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.4
2.6
Embodied Energy, MJ/kg 19
36
Embodied Water, L/kg 45
88

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 280
120 to 130
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 87
24
Strength to Weight: Bending, points 52
22
Thermal Diffusivity, mm2/s 13
7.0
Thermal Shock Resistance, points 79
23

Alloy Composition

Aluminum (Al), % 0
0 to 0.040
Carbon (C), % 0.7 to 1.0
0.080 to 0.12
Chromium (Cr), % 0
8.0 to 9.5
Copper (Cu), % 0
0 to 0.3
Iron (Fe), % 98 to 99
87.1 to 90.5
Manganese (Mn), % 0.2 to 0.6
0.3 to 0.6
Molybdenum (Mo), % 0
0.85 to 1.1
Nickel (Ni), % 0
0 to 0.4
Niobium (Nb), % 0
0.060 to 0.1
Nitrogen (N), % 0
0.030 to 0.070
Phosphorus (P), % 0 to 0.025
0 to 0.025
Silicon (Si), % 0.1 to 0.3
0 to 0.5
Sulfur (S), % 0 to 0.030
0 to 0.015
Vanadium (V), % 0
0.18 to 0.25