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AISI 422 Stainless Steel vs. SAE-AISI D2 Steel

Both AISI 422 stainless steel and SAE-AISI D2 steel are iron alloys. They have a very high 98% of their average alloy composition in common. There are 30 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is AISI 422 stainless steel and the bottom bar is SAE-AISI D2 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 15 to 17
5.0 to 16
Fatigue Strength, MPa 410 to 500
310 to 860
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
75
Shear Strength, MPa 560 to 660
460 to 1160
Tensile Strength: Ultimate (UTS), MPa 910 to 1080
760 to 2000
Tensile Strength: Yield (Proof), MPa 670 to 870
470 to 1510

Thermal Properties

Latent Heat of Fusion, J/g 270
270
Melting Completion (Liquidus), °C 1480
1440
Melting Onset (Solidus), °C 1470
1390
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 24
31
Thermal Expansion, µm/m-K 10
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 4.7
4.3
Electrical Conductivity: Equal Weight (Specific), % IACS 5.3
5.1

Otherwise Unclassified Properties

Base Metal Price, % relative 11
8.0
Density, g/cm3 7.9
7.7
Embodied Carbon, kg CO2/kg material 3.1
3.4
Embodied Energy, MJ/kg 44
50
Embodied Water, L/kg 100
100

Common Calculations

PREN (Pitting Resistance) 17
15
Resilience: Ultimate (Unit Rupture Work), MJ/m3 140 to 150
92 to 100
Resilience: Unit (Modulus of Resilience), kJ/m3 1140 to 1910
570 to 5940
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 32 to 38
27 to 72
Strength to Weight: Bending, points 26 to 30
24 to 46
Thermal Diffusivity, mm2/s 6.4
8.3
Thermal Shock Resistance, points 33 to 39
25 to 67

Alloy Composition

Carbon (C), % 0.2 to 0.25
1.4 to 1.6
Chromium (Cr), % 11 to 12.5
11 to 13
Copper (Cu), % 0
0 to 0.25
Iron (Fe), % 81.9 to 85.8
81.3 to 86.9
Manganese (Mn), % 0.5 to 1.0
0 to 0.6
Molybdenum (Mo), % 0.9 to 1.3
0.7 to 1.2
Nickel (Ni), % 0.5 to 1.0
0 to 0.3
Phosphorus (P), % 0 to 0.025
0 to 0.030
Silicon (Si), % 0 to 0.5
0 to 0.6
Sulfur (S), % 0 to 0.025
0 to 0.030
Tungsten (W), % 0.9 to 1.3
0
Vanadium (V), % 0.2 to 0.3
0 to 1.1

Comparable Variants