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AISI 422 Stainless Steel vs. EN 1.4512 Stainless Steel

Both AISI 422 stainless steel and EN 1.4512 stainless steel are iron alloys. They have a very high 96% 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 1.4512 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 15 to 17
28
Fatigue Strength, MPa 410 to 500
180
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
76
Shear Strength, MPa 560 to 660
310
Tensile Strength: Ultimate (UTS), MPa 910 to 1080
470
Tensile Strength: Yield (Proof), MPa 670 to 870
240

Thermal Properties

Latent Heat of Fusion, J/g 270
270
Maximum Temperature: Corrosion, °C 380
440
Maximum Temperature: Mechanical, °C 650
720
Melting Completion (Liquidus), °C 1480
1450
Melting Onset (Solidus), °C 1470
1400
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 24
25
Thermal Expansion, µm/m-K 10
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 4.7
2.9
Electrical Conductivity: Equal Weight (Specific), % IACS 5.3
3.3

Otherwise Unclassified Properties

Base Metal Price, % relative 11
6.5
Density, g/cm3 7.9
7.7
Embodied Carbon, kg CO2/kg material 3.1
2.0
Embodied Energy, MJ/kg 44
27
Embodied Water, L/kg 100
95

Common Calculations

PREN (Pitting Resistance) 17
12
Resilience: Ultimate (Unit Rupture Work), MJ/m3 140 to 150
110
Resilience: Unit (Modulus of Resilience), kJ/m3 1140 to 1910
150
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 32 to 38
17
Strength to Weight: Bending, points 26 to 30
17
Thermal Diffusivity, mm2/s 6.4
6.7
Thermal Shock Resistance, points 33 to 39
17

Alloy Composition

Carbon (C), % 0.2 to 0.25
0 to 0.030
Chromium (Cr), % 11 to 12.5
10.5 to 12.5
Iron (Fe), % 81.9 to 85.8
84.8 to 89.5
Manganese (Mn), % 0.5 to 1.0
0 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 0.040
Silicon (Si), % 0 to 0.5
0 to 1.0
Sulfur (S), % 0 to 0.025
0 to 0.015
Titanium (Ti), % 0
0 to 0.65
Tungsten (W), % 0.9 to 1.3
0
Vanadium (V), % 0.2 to 0.3
0