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AISI 201LN Stainless Steel vs. ASTM A228 Music Wire

Both AISI 201LN stainless steel and ASTM A228 music wire are iron alloys. They have 71% of their average alloy composition in common. There are 30 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is AISI 201LN stainless steel and the bottom bar is ASTM A228 music wire.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 210 to 320
710
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 25 to 51
12
Fatigue Strength, MPa 340 to 540
1280
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
72
Shear Strength, MPa 530 to 680
1470
Tensile Strength: Ultimate (UTS), MPa 740 to 1060
2450
Tensile Strength: Yield (Proof), MPa 350 to 770
2050

Thermal Properties

Latent Heat of Fusion, J/g 280
250
Maximum Temperature: Mechanical, °C 880
400
Melting Completion (Liquidus), °C 1410
1450
Melting Onset (Solidus), °C 1370
1410
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 15
49
Thermal Expansion, µm/m-K 17
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
7.1
Electrical Conductivity: Equal Weight (Specific), % IACS 2.9
8.2

Otherwise Unclassified Properties

Base Metal Price, % relative 12
1.8
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 2.6
1.4
Embodied Energy, MJ/kg 38
19
Embodied Water, L/kg 140
45

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 230 to 310
280
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 27 to 38
87
Strength to Weight: Bending, points 24 to 30
52
Thermal Diffusivity, mm2/s 4.0
13
Thermal Shock Resistance, points 16 to 23
79

Alloy Composition

Carbon (C), % 0 to 0.030
0.7 to 1.0
Chromium (Cr), % 16 to 17.5
0
Copper (Cu), % 0 to 1.0
0
Iron (Fe), % 67.9 to 73.5
98 to 99
Manganese (Mn), % 6.4 to 7.5
0.2 to 0.6
Nickel (Ni), % 4.0 to 5.0
0
Nitrogen (N), % 0.1 to 0.25
0
Phosphorus (P), % 0 to 0.045
0 to 0.025
Silicon (Si), % 0 to 0.75
0.1 to 0.3
Sulfur (S), % 0 to 0.015
0 to 0.030