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EN 1.4404 Stainless Steel vs. EN 1.4162 Stainless Steel

Both EN 1.4404 stainless steel and EN 1.4162 stainless steel are iron alloys. They have 88% of their average alloy composition in common.

For each property being compared, the top bar is EN 1.4404 stainless steel and the bottom bar is EN 1.4162 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190 to 270
250
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 14 to 43
32
Fatigue Strength, MPa 220 to 320
410
Impact Strength: V-Notched Charpy, J 91 to 93
77
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 78
78
Shear Strength, MPa 420 to 550
520
Tensile Strength: Ultimate (UTS), MPa 600 to 900
780
Tensile Strength: Yield (Proof), MPa 240 to 570
520

Thermal Properties

Latent Heat of Fusion, J/g 290
290
Maximum Temperature: Corrosion, °C 410
430
Maximum Temperature: Mechanical, °C 950
1000
Melting Completion (Liquidus), °C 1440
1420
Melting Onset (Solidus), °C 1400
1370
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 15
15
Thermal Expansion, µm/m-K 16
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.3
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 2.6
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 19
12
Density, g/cm3 7.9
7.7
Embodied Carbon, kg CO2/kg material 3.8
2.6
Embodied Energy, MJ/kg 52
38
Embodied Water, L/kg 150
150

Common Calculations

PREN (Pitting Resistance) 26
27
Resilience: Ultimate (Unit Rupture Work), MJ/m3 110 to 210
220
Resilience: Unit (Modulus of Resilience), kJ/m3 140 to 800
690
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 21 to 32
28
Strength to Weight: Bending, points 20 to 26
25
Thermal Diffusivity, mm2/s 4.0
4.0
Thermal Shock Resistance, points 13 to 20
21

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.040
Chromium (Cr), % 16.5 to 18.5
21 to 22
Copper (Cu), % 0
0.1 to 0.8
Iron (Fe), % 62.8 to 71.5
67.2 to 73.3
Manganese (Mn), % 0 to 2.0
4.0 to 6.0
Molybdenum (Mo), % 2.0 to 2.5
0.1 to 0.8
Nickel (Ni), % 10 to 13
1.4 to 1.9
Nitrogen (N), % 0 to 0.1
0.2 to 0.25
Phosphorus (P), % 0 to 0.045
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.015
0 to 0.015