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AISI 422 Stainless Steel vs. EN 1.0303 Steel

Both AISI 422 stainless steel and EN 1.0303 steel are iron alloys. They have 84% of their average alloy composition in common. There are 32 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 422 stainless steel and the bottom bar is EN 1.0303 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 260 to 330
84 to 120
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 15 to 17
12 to 25
Fatigue Strength, MPa 410 to 500
150 to 230
Poisson's Ratio 0.28
0.29
Reduction in Area, % 34 to 40
75 to 86
Shear Modulus, GPa 76
73
Shear Strength, MPa 560 to 660
220 to 260
Tensile Strength: Ultimate (UTS), MPa 910 to 1080
290 to 410
Tensile Strength: Yield (Proof), MPa 670 to 870
200 to 320

Thermal Properties

Latent Heat of Fusion, J/g 270
250
Maximum Temperature: Mechanical, °C 650
400
Melting Completion (Liquidus), °C 1480
1470
Melting Onset (Solidus), °C 1470
1430
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 24
53
Thermal Expansion, µm/m-K 10
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 4.7
6.9
Electrical Conductivity: Equal Weight (Specific), % IACS 5.3
7.9

Otherwise Unclassified Properties

Base Metal Price, % relative 11
1.8
Density, g/cm3 7.9
7.9
Embodied Carbon, kg CO2/kg material 3.1
1.4
Embodied Energy, MJ/kg 44
18
Embodied Water, L/kg 100
46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 140 to 150
30 to 94
Resilience: Unit (Modulus of Resilience), kJ/m3 1140 to 1910
110 to 270
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 32 to 38
10 to 15
Strength to Weight: Bending, points 26 to 30
12 to 16
Thermal Diffusivity, mm2/s 6.4
14
Thermal Shock Resistance, points 33 to 39
9.2 to 13

Alloy Composition

Aluminum (Al), % 0
0.020 to 0.060
Carbon (C), % 0.2 to 0.25
0.020 to 0.060
Chromium (Cr), % 11 to 12.5
0
Iron (Fe), % 81.9 to 85.8
99.335 to 99.71
Manganese (Mn), % 0.5 to 1.0
0.25 to 0.4
Molybdenum (Mo), % 0.9 to 1.3
0
Nickel (Ni), % 0.5 to 1.0
0
Phosphorus (P), % 0 to 0.025
0 to 0.020
Silicon (Si), % 0 to 0.5
0 to 0.1
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