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EN 1.4422 Stainless Steel vs. EN 1.4923 Stainless Steel

Both EN 1.4422 stainless steel and EN 1.4923 stainless steel are iron alloys. They have a moderately high 94% of their average alloy composition in common. There are 33 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is EN 1.4422 stainless steel and the bottom bar is EN 1.4923 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 17
12 to 21
Fatigue Strength, MPa 380
300 to 440
Impact Strength: V-Notched Charpy, J 110
22 to 30
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
76
Shear Strength, MPa 520
540 to 590
Tensile Strength: Ultimate (UTS), MPa 850
870 to 980
Tensile Strength: Yield (Proof), MPa 630
470 to 780

Thermal Properties

Latent Heat of Fusion, J/g 270
270
Maximum Temperature: Corrosion, °C 390
380
Maximum Temperature: Mechanical, °C 760
740
Melting Completion (Liquidus), °C 1450
1450
Melting Onset (Solidus), °C 1410
1410
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 16
24
Thermal Expansion, µm/m-K 10
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.3
2.9
Electrical Conductivity: Equal Weight (Specific), % IACS 2.6
3.3

Otherwise Unclassified Properties

Base Metal Price, % relative 11
8.0
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 2.7
2.9
Embodied Energy, MJ/kg 37
41
Embodied Water, L/kg 110
100

Common Calculations

PREN (Pitting Resistance) 17
15
Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
110 to 150
Resilience: Unit (Modulus of Resilience), kJ/m3 1000
570 to 1580
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 30
31 to 35
Strength to Weight: Bending, points 25
26 to 28
Thermal Diffusivity, mm2/s 4.3
6.5
Thermal Shock Resistance, points 31
30 to 34

Alloy Composition

Carbon (C), % 0 to 0.020
0.18 to 0.24
Chromium (Cr), % 11 to 13
11 to 12.5
Copper (Cu), % 0.2 to 0.8
0
Iron (Fe), % 76.8 to 83.5
83.5 to 87.1
Manganese (Mn), % 0 to 2.0
0.4 to 0.9
Molybdenum (Mo), % 1.3 to 1.8
0.8 to 1.2
Nickel (Ni), % 4.0 to 5.0
0.3 to 0.8
Nitrogen (N), % 0 to 0.020
0
Phosphorus (P), % 0 to 0.040
0 to 0.025
Silicon (Si), % 0 to 0.5
0 to 0.5
Sulfur (S), % 0 to 0.0030
0 to 0.015
Vanadium (V), % 0
0.25 to 0.35