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AISI 201L Stainless Steel vs. ASTM B685 Alloy

AISI 201L stainless steel belongs to the iron alloys classification, while ASTM B685 alloy belongs to the otherwise unclassified metals. There are 17 material properties with values for both materials. Properties with values for just one material (16, in this case) are not shown.

For each property being compared, the top bar is AISI 201L stainless steel and the bottom bar is ASTM B685 alloy.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
120
Poisson's Ratio 0.28
0.37
Shear Modulus, GPa 77
43
Tensile Strength: Ultimate (UTS), MPa 740 to 1040
660 to 1060

Thermal Properties

Latent Heat of Fusion, J/g 280
180
Melting Completion (Liquidus), °C 1410
1230
Melting Onset (Solidus), °C 1370
1200
Specific Heat Capacity, J/kg-K 480
300
Thermal Expansion, µm/m-K 17
14

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
5.0
Electrical Conductivity: Equal Weight (Specific), % IACS 2.9
4.1

Otherwise Unclassified Properties

Density, g/cm3 7.7
11

Common Calculations

Stiffness to Weight: Axial, points 14
6.1
Stiffness to Weight: Bending, points 25
15
Strength to Weight: Axial, points 27 to 37
17 to 27
Strength to Weight: Bending, points 24 to 30
16 to 21
Thermal Shock Resistance, points 16 to 23
28 to 46

Alloy Composition

Aluminum (Al), % 0
0 to 0.0050
Cadmium (Cd), % 0
0 to 0.050
Carbon (C), % 0 to 0.030
0
Chromium (Cr), % 16 to 18
0
Copper (Cu), % 0
39.5 to 40.5
Iron (Fe), % 67.9 to 75
0 to 0.050
Lead (Pb), % 0
0 to 0.030
Manganese (Mn), % 5.5 to 7.5
0
Nickel (Ni), % 3.5 to 5.5
0
Nitrogen (N), % 0 to 0.25
0
Palladium (Pd), % 0
59 to 60.5
Phosphorus (P), % 0 to 0.045
0
Silicon (Si), % 0 to 0.75
0
Silver (Ag), % 0
0 to 0.1
Sulfur (S), % 0 to 0.030
0
Zinc (Zn), % 0
0 to 0.060
Residuals, % 0
0 to 0.2

Comparable Variants