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AISI 201LN Stainless Steel vs. ASTM Grade HE Steel

Both AISI 201LN stainless steel and ASTM grade HE steel are iron alloys. They have 83% of their average alloy composition in common. There are 32 material properties with values for both materials. Properties with values for just one material (1, 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 grade HE steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 210 to 320
190
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 25 to 51
10
Fatigue Strength, MPa 340 to 540
160
Poisson's Ratio 0.28
0.27
Shear Modulus, GPa 77
79
Tensile Strength: Ultimate (UTS), MPa 740 to 1060
670
Tensile Strength: Yield (Proof), MPa 350 to 770
310

Thermal Properties

Latent Heat of Fusion, J/g 280
310
Maximum Temperature: Corrosion, °C 410
450
Maximum Temperature: Mechanical, °C 880
1100
Melting Completion (Liquidus), °C 1410
1400
Melting Onset (Solidus), °C 1370
1360
Specific Heat Capacity, J/kg-K 480
490
Thermal Conductivity, W/m-K 15
14
Thermal Expansion, µm/m-K 17
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
2.1
Electrical Conductivity: Equal Weight (Specific), % IACS 2.9
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 12
19
Density, g/cm3 7.7
7.7
Embodied Carbon, kg CO2/kg material 2.6
3.5
Embodied Energy, MJ/kg 38
50
Embodied Water, L/kg 140
190

Common Calculations

PREN (Pitting Resistance) 20
29
Resilience: Ultimate (Unit Rupture Work), MJ/m3 230 to 310
56
Resilience: Unit (Modulus of Resilience), kJ/m3 310 to 1520
240
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 27 to 38
24
Strength to Weight: Bending, points 24 to 30
22
Thermal Diffusivity, mm2/s 4.0
3.6
Thermal Shock Resistance, points 16 to 23
14

Alloy Composition

Carbon (C), % 0 to 0.030
0.2 to 0.5
Chromium (Cr), % 16 to 17.5
26 to 30
Copper (Cu), % 0 to 1.0
0
Iron (Fe), % 67.9 to 73.5
53.9 to 65.8
Manganese (Mn), % 6.4 to 7.5
0 to 2.0
Molybdenum (Mo), % 0
0 to 0.5
Nickel (Ni), % 4.0 to 5.0
8.0 to 11
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 2.0
Sulfur (S), % 0 to 0.015
0 to 0.040