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AWS E2209 vs. AISI 422 Stainless Steel

Both AWS E2209 and AISI 422 stainless steel are iron alloys. They have 77% of their average alloy composition in common. There are 25 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

For each property being compared, the top bar is AWS E2209 and the bottom bar is AISI 422 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 23
15 to 17
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 79
76
Tensile Strength: Ultimate (UTS), MPa 770
910 to 1080

Thermal Properties

Latent Heat of Fusion, J/g 300
270
Melting Completion (Liquidus), °C 1440
1480
Melting Onset (Solidus), °C 1390
1470
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 16
24
Thermal Expansion, µm/m-K 14
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.1
4.7
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
5.3

Otherwise Unclassified Properties

Base Metal Price, % relative 20
11
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 4.0
3.1
Embodied Energy, MJ/kg 55
44
Embodied Water, L/kg 170
100

Common Calculations

PREN (Pitting Resistance) 35
17
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 27
32 to 38
Strength to Weight: Bending, points 24
26 to 30
Thermal Diffusivity, mm2/s 4.3
6.4
Thermal Shock Resistance, points 20
33 to 39

Alloy Composition

Carbon (C), % 0 to 0.040
0.2 to 0.25
Chromium (Cr), % 21.5 to 23.5
11 to 12.5
Copper (Cu), % 0 to 0.75
0
Iron (Fe), % 58.4 to 66.9
81.9 to 85.8
Manganese (Mn), % 0.5 to 2.0
0.5 to 1.0
Molybdenum (Mo), % 2.5 to 3.5
0.9 to 1.3
Nickel (Ni), % 8.5 to 10.5
0.5 to 1.0
Nitrogen (N), % 0.080 to 0.2
0
Phosphorus (P), % 0 to 0.040
0 to 0.025
Silicon (Si), % 0 to 1.0
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