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ASTM Grade HF Steel vs. AISI 201 Stainless Steel

Both ASTM grade HF steel and AISI 201 stainless steel are iron alloys. They have a moderately high 90% 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 ASTM grade HF steel and the bottom bar is AISI 201 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 160
200 to 440
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 29
4.6 to 51
Fatigue Strength, MPa 200
280 to 600
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
77
Tensile Strength: Ultimate (UTS), MPa 550
650 to 1450
Tensile Strength: Yield (Proof), MPa 270
300 to 1080

Thermal Properties

Latent Heat of Fusion, J/g 300
280
Maximum Temperature: Corrosion, °C 420
410
Maximum Temperature: Mechanical, °C 1000
880
Melting Completion (Liquidus), °C 1410
1410
Melting Onset (Solidus), °C 1370
1370
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 16
15
Thermal Expansion, µm/m-K 16
17

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 17
12
Density, g/cm3 7.7
7.7
Embodied Carbon, kg CO2/kg material 3.2
2.6
Embodied Energy, MJ/kg 46
38
Embodied Water, L/kg 150
140

Common Calculations

PREN (Pitting Resistance) 21
19
Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
61 to 340
Resilience: Unit (Modulus of Resilience), kJ/m3 180
230 to 2970
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 20
23 to 52
Strength to Weight: Bending, points 19
22 to 37
Thermal Diffusivity, mm2/s 4.2
4.0
Thermal Shock Resistance, points 12
14 to 32

Alloy Composition

Carbon (C), % 0.2 to 0.4
0 to 0.15
Chromium (Cr), % 18 to 23
16 to 18
Iron (Fe), % 60 to 73.8
67.5 to 75
Manganese (Mn), % 0 to 2.0
5.5 to 7.5
Molybdenum (Mo), % 0 to 0.5
0
Nickel (Ni), % 8.0 to 12
3.5 to 5.5
Nitrogen (N), % 0
0 to 0.25
Phosphorus (P), % 0 to 0.040
0 to 0.060
Silicon (Si), % 0 to 2.0
0 to 1.0
Sulfur (S), % 0 to 0.040
0 to 0.030