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AISI 305 Stainless Steel vs. AISI 422 Stainless Steel

Both AISI 305 stainless steel and AISI 422 stainless steel are iron alloys. They have 82% of their average alloy composition in common. There are 33 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is AISI 305 stainless steel and the bottom bar is AISI 422 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 170 to 220
260 to 330
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 34 to 45
15 to 17
Fatigue Strength, MPa 210 to 280
410 to 500
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
76
Shear Strength, MPa 400 to 470
560 to 660
Tensile Strength: Ultimate (UTS), MPa 580 to 710
910 to 1080
Tensile Strength: Yield (Proof), MPa 230 to 350
670 to 870

Thermal Properties

Latent Heat of Fusion, J/g 290
270
Maximum Temperature: Corrosion, °C 410
380
Maximum Temperature: Mechanical, °C 540
650
Melting Completion (Liquidus), °C 1450
1480
Melting Onset (Solidus), °C 1400
1470
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 16
24
Thermal Expansion, µm/m-K 17
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
4.7
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
5.3

Otherwise Unclassified Properties

Base Metal Price, % relative 16
11
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 3.2
3.1
Embodied Energy, MJ/kg 45
44
Embodied Water, L/kg 150
100

Common Calculations

PREN (Pitting Resistance) 18
17
Resilience: Ultimate (Unit Rupture Work), MJ/m3 200 to 210
140 to 150
Resilience: Unit (Modulus of Resilience), kJ/m3 130 to 320
1140 to 1910
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 20 to 25
32 to 38
Strength to Weight: Bending, points 20 to 23
26 to 30
Thermal Diffusivity, mm2/s 4.2
6.4
Thermal Shock Resistance, points 13 to 15
33 to 39

Alloy Composition

Carbon (C), % 0 to 0.12
0.2 to 0.25
Chromium (Cr), % 17 to 19
11 to 12.5
Iron (Fe), % 65.1 to 72.5
81.9 to 85.8
Manganese (Mn), % 0 to 2.0
0.5 to 1.0
Molybdenum (Mo), % 0
0.9 to 1.3
Nickel (Ni), % 10.5 to 13
0.5 to 1.0
Phosphorus (P), % 0 to 0.045
0 to 0.025
Silicon (Si), % 0 to 0.75
0 to 0.5
Sulfur (S), % 0 to 0.030
0 to 0.025
Tungsten (W), % 0
0.9 to 1.3
Vanadium (V), % 0
0.2 to 0.3