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AISI 422 Stainless Steel vs. ASTM Grade HC Steel

Both AISI 422 stainless steel and ASTM grade HC steel are iron alloys. They have 82% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (4, 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 HC steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 15 to 17
6.0
Fatigue Strength, MPa 410 to 500
96
Poisson's Ratio 0.28
0.27
Shear Modulus, GPa 76
80
Tensile Strength: Ultimate (UTS), MPa 910 to 1080
430
Tensile Strength: Yield (Proof), MPa 670 to 870
200

Thermal Properties

Latent Heat of Fusion, J/g 270
310
Maximum Temperature: Corrosion, °C 380
460
Maximum Temperature: Mechanical, °C 650
1100
Melting Completion (Liquidus), °C 1480
1410
Melting Onset (Solidus), °C 1470
1370
Specific Heat Capacity, J/kg-K 470
490
Thermal Conductivity, W/m-K 24
17
Thermal Expansion, µm/m-K 10
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 4.7
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 5.3
2.6

Otherwise Unclassified Properties

Base Metal Price, % relative 11
14
Density, g/cm3 7.9
7.6
Embodied Carbon, kg CO2/kg material 3.1
2.8
Embodied Energy, MJ/kg 44
40
Embodied Water, L/kg 100
170

Common Calculations

PREN (Pitting Resistance) 17
29
Resilience: Ultimate (Unit Rupture Work), MJ/m3 140 to 150
21
Resilience: Unit (Modulus of Resilience), kJ/m3 1140 to 1910
95
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 25
26
Strength to Weight: Axial, points 32 to 38
16
Strength to Weight: Bending, points 26 to 30
16
Thermal Diffusivity, mm2/s 6.4
4.5
Thermal Shock Resistance, points 33 to 39
14

Alloy Composition

Carbon (C), % 0.2 to 0.25
0 to 0.5
Chromium (Cr), % 11 to 12.5
26 to 30
Iron (Fe), % 81.9 to 85.8
61.9 to 74
Manganese (Mn), % 0.5 to 1.0
0 to 1.0
Molybdenum (Mo), % 0.9 to 1.3
0 to 0.5
Nickel (Ni), % 0.5 to 1.0
0 to 4.0
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