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AISI 422 Stainless Steel vs. EN 1.4959 Stainless Steel

Both AISI 422 stainless steel and EN 1.4959 stainless steel are iron alloys. They have 59% 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 1.4959 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 15 to 17
40
Fatigue Strength, MPa 410 to 500
170
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
77
Shear Strength, MPa 560 to 660
430
Tensile Strength: Ultimate (UTS), MPa 910 to 1080
630
Tensile Strength: Yield (Proof), MPa 670 to 870
190

Thermal Properties

Latent Heat of Fusion, J/g 270
300
Maximum Temperature: Corrosion, °C 380
510
Maximum Temperature: Mechanical, °C 650
1090
Melting Completion (Liquidus), °C 1480
1400
Melting Onset (Solidus), °C 1470
1350
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 24
12
Thermal Expansion, µm/m-K 10
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 4.7
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 5.3
2.0

Otherwise Unclassified Properties

Base Metal Price, % relative 11
31
Density, g/cm3 7.9
8.0
Embodied Carbon, kg CO2/kg material 3.1
5.4
Embodied Energy, MJ/kg 44
76
Embodied Water, L/kg 100
200

Common Calculations

PREN (Pitting Resistance) 17
21
Resilience: Ultimate (Unit Rupture Work), MJ/m3 140 to 150
190
Resilience: Unit (Modulus of Resilience), kJ/m3 1140 to 1910
96
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 32 to 38
22
Strength to Weight: Bending, points 26 to 30
20
Thermal Diffusivity, mm2/s 6.4
3.2
Thermal Shock Resistance, points 33 to 39
15

Alloy Composition

Aluminum (Al), % 0
0.25 to 0.65
Carbon (C), % 0.2 to 0.25
0.050 to 0.1
Chromium (Cr), % 11 to 12.5
19 to 22
Cobalt (Co), % 0
0 to 0.5
Copper (Cu), % 0
0 to 0.5
Iron (Fe), % 81.9 to 85.8
39.4 to 50.5
Manganese (Mn), % 0.5 to 1.0
0 to 1.5
Molybdenum (Mo), % 0.9 to 1.3
0
Nickel (Ni), % 0.5 to 1.0
30 to 34
Nitrogen (N), % 0
0 to 0.030
Phosphorus (P), % 0 to 0.025
0 to 0.015
Silicon (Si), % 0 to 0.5
0 to 0.7
Sulfur (S), % 0 to 0.025
0 to 0.010
Titanium (Ti), % 0
0.25 to 0.65
Tungsten (W), % 0.9 to 1.3
0
Vanadium (V), % 0.2 to 0.3
0