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AISI 201L Stainless Steel vs. ASTM Grade HI Steel

Both AISI 201L stainless steel and ASTM grade HI steel are iron alloys. They have 76% 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 201L stainless steel and the bottom bar is ASTM grade HI steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190 to 320
160
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 22 to 46
11
Fatigue Strength, MPa 270 to 530
150
Poisson's Ratio 0.28
0.27
Shear Modulus, GPa 77
79
Tensile Strength: Ultimate (UTS), MPa 740 to 1040
550
Tensile Strength: Yield (Proof), MPa 290 to 790
270

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
1350
Specific Heat Capacity, J/kg-K 480
490
Thermal Conductivity, W/m-K 15
15
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
2.4

Otherwise Unclassified Properties

Base Metal Price, % relative 12
23
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 2.6
4.1
Embodied Energy, MJ/kg 38
59
Embodied Water, L/kg 140
200

Common Calculations

PREN (Pitting Resistance) 19
29
Resilience: Ultimate (Unit Rupture Work), MJ/m3 210 to 300
52
Resilience: Unit (Modulus of Resilience), kJ/m3 220 to 1570
180
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 27 to 37
20
Strength to Weight: Bending, points 24 to 30
19
Thermal Diffusivity, mm2/s 4.0
3.9
Thermal Shock Resistance, points 16 to 23
12

Alloy Composition

Carbon (C), % 0 to 0.030
0.2 to 0.5
Chromium (Cr), % 16 to 18
26 to 30
Iron (Fe), % 67.9 to 75
46.9 to 59.8
Manganese (Mn), % 5.5 to 7.5
0 to 2.0
Molybdenum (Mo), % 0
0 to 0.5
Nickel (Ni), % 3.5 to 5.5
14 to 18
Nitrogen (N), % 0 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 0.030
0 to 0.040