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AISI 422 Stainless Steel vs. EN 1.7108 Steel

Both AISI 422 stainless steel and EN 1.7108 steel are iron alloys. They have 85% 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 AISI 422 stainless steel and the bottom bar is EN 1.7108 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 260 to 330
200 to 510
Elastic (Young's, Tensile) Modulus, GPa 200
190
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
72
Tensile Strength: Ultimate (UTS), MPa 910 to 1080
670 to 2070

Thermal Properties

Latent Heat of Fusion, J/g 270
280
Maximum Temperature: Mechanical, °C 650
410
Melting Completion (Liquidus), °C 1480
1430
Melting Onset (Solidus), °C 1470
1390
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 24
46
Thermal Expansion, µm/m-K 10
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 4.7
7.4
Electrical Conductivity: Equal Weight (Specific), % IACS 5.3
8.7

Otherwise Unclassified Properties

Base Metal Price, % relative 11
2.1
Density, g/cm3 7.9
7.7
Embodied Carbon, kg CO2/kg material 3.1
1.5
Embodied Energy, MJ/kg 44
20
Embodied Water, L/kg 100
47

Common Calculations

Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 32 to 38
24 to 75
Strength to Weight: Bending, points 26 to 30
22 to 47
Thermal Diffusivity, mm2/s 6.4
12
Thermal Shock Resistance, points 33 to 39
20 to 63

Alloy Composition

Carbon (C), % 0.2 to 0.25
0.57 to 0.65
Chromium (Cr), % 11 to 12.5
0.2 to 0.45
Iron (Fe), % 81.9 to 85.8
95.9 to 96.9
Manganese (Mn), % 0.5 to 1.0
0.7 to 1.0
Molybdenum (Mo), % 0.9 to 1.3
0
Nickel (Ni), % 0.5 to 1.0
0
Phosphorus (P), % 0 to 0.025
0 to 0.025
Silicon (Si), % 0 to 0.5
1.6 to 2.0
Sulfur (S), % 0 to 0.025
0 to 0.025
Tungsten (W), % 0.9 to 1.3
0
Vanadium (V), % 0.2 to 0.3
0

Comparable Variants