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AISI 422 Stainless Steel vs. ASTM Grade HL Steel

Both AISI 422 stainless steel and ASTM grade HL steel are iron alloys. They have 61% 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 422 stainless steel and the bottom bar is ASTM grade HL steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 260 to 330
150
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 15 to 17
11
Fatigue Strength, MPa 410 to 500
150
Poisson's Ratio 0.28
0.27
Shear Modulus, GPa 76
80
Tensile Strength: Ultimate (UTS), MPa 910 to 1080
500
Tensile Strength: Yield (Proof), MPa 670 to 870
270

Thermal Properties

Latent Heat of Fusion, J/g 270
320
Maximum Temperature: Corrosion, °C 380
460
Maximum Temperature: Mechanical, °C 650
1100
Melting Completion (Liquidus), °C 1480
1390
Melting Onset (Solidus), °C 1470
1340
Specific Heat Capacity, J/kg-K 470
490
Thermal Expansion, µm/m-K 10
17

Otherwise Unclassified Properties

Base Metal Price, % relative 11
27
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 3.1
4.5
Embodied Energy, MJ/kg 44
65
Embodied Water, L/kg 100
210

Common Calculations

PREN (Pitting Resistance) 17
31
Resilience: Ultimate (Unit Rupture Work), MJ/m3 140 to 150
48
Resilience: Unit (Modulus of Resilience), kJ/m3 1140 to 1910
180
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 32 to 38
18
Strength to Weight: Bending, points 26 to 30
18
Thermal Shock Resistance, points 33 to 39
11

Alloy Composition

Carbon (C), % 0.2 to 0.25
0.2 to 0.6
Chromium (Cr), % 11 to 12.5
28 to 32
Iron (Fe), % 81.9 to 85.8
40.8 to 53.8
Manganese (Mn), % 0.5 to 1.0
0 to 2.0
Molybdenum (Mo), % 0.9 to 1.3
0 to 0.5
Nickel (Ni), % 0.5 to 1.0
18 to 22
Phosphorus (P), % 0 to 0.025
0 to 0.040
Silicon (Si), % 0 to 0.5
0 to 2.0
Sulfur (S), % 0 to 0.025
0 to 0.040
Tungsten (W), % 0.9 to 1.3
0
Vanadium (V), % 0.2 to 0.3
0