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AISI 201LN Stainless Steel vs. S45500 Stainless Steel

Both AISI 201LN stainless steel and S45500 stainless steel are iron alloys. They have 88% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is AISI 201LN stainless steel and the bottom bar is S45500 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 210 to 320
280 to 500
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 25 to 51
3.4 to 11
Fatigue Strength, MPa 340 to 540
570 to 890
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
75
Shear Strength, MPa 530 to 680
790 to 1090
Tensile Strength: Ultimate (UTS), MPa 740 to 1060
1370 to 1850
Tensile Strength: Yield (Proof), MPa 350 to 770
1240 to 1700

Thermal Properties

Latent Heat of Fusion, J/g 280
270
Maximum Temperature: Corrosion, °C 410
620
Maximum Temperature: Mechanical, °C 880
760
Melting Completion (Liquidus), °C 1410
1440
Melting Onset (Solidus), °C 1370
1400
Specific Heat Capacity, J/kg-K 480
470
Thermal Expansion, µm/m-K 17
11

Otherwise Unclassified Properties

Base Metal Price, % relative 12
17
Density, g/cm3 7.7
7.9
Embodied Carbon, kg CO2/kg material 2.6
3.8
Embodied Energy, MJ/kg 38
57
Embodied Water, L/kg 140
120

Common Calculations

PREN (Pitting Resistance) 20
13
Resilience: Ultimate (Unit Rupture Work), MJ/m3 230 to 310
45 to 190
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 27 to 38
48 to 65
Strength to Weight: Bending, points 24 to 30
35 to 42
Thermal Shock Resistance, points 16 to 23
48 to 64

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.050
Chromium (Cr), % 16 to 17.5
11 to 12.5
Copper (Cu), % 0 to 1.0
1.5 to 2.5
Iron (Fe), % 67.9 to 73.5
71.5 to 79.2
Manganese (Mn), % 6.4 to 7.5
0 to 0.5
Molybdenum (Mo), % 0
0 to 0.5
Nickel (Ni), % 4.0 to 5.0
7.5 to 9.5
Niobium (Nb), % 0
0 to 0.5
Nitrogen (N), % 0.1 to 0.25
0
Phosphorus (P), % 0 to 0.045
0 to 0.040
Silicon (Si), % 0 to 0.75
0 to 0.5
Sulfur (S), % 0 to 0.015
0 to 0.030
Tantalum (Ta), % 0
0 to 0.5
Titanium (Ti), % 0
0.8 to 1.4

Comparable Variants