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EN 1.4404 Stainless Steel vs. N08926 Stainless Steel

Both EN 1.4404 stainless steel and N08926 stainless steel are iron alloys. They have 79% of their average alloy composition in common. There are 32 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is EN 1.4404 stainless steel and the bottom bar is N08926 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 14 to 43
40
Fatigue Strength, MPa 220 to 320
290
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 78
80
Shear Strength, MPa 420 to 550
500
Tensile Strength: Ultimate (UTS), MPa 600 to 900
740
Tensile Strength: Yield (Proof), MPa 240 to 570
330

Thermal Properties

Latent Heat of Fusion, J/g 290
300
Maximum Temperature: Corrosion, °C 410
420
Maximum Temperature: Mechanical, °C 950
1100
Melting Completion (Liquidus), °C 1440
1460
Melting Onset (Solidus), °C 1400
1410
Specific Heat Capacity, J/kg-K 470
460
Thermal Conductivity, W/m-K 15
12
Thermal Expansion, µm/m-K 16
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.3
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 2.6
1.9

Otherwise Unclassified Properties

Base Metal Price, % relative 19
33
Density, g/cm3 7.9
8.1
Embodied Carbon, kg CO2/kg material 3.8
6.2
Embodied Energy, MJ/kg 52
84
Embodied Water, L/kg 150
200

Common Calculations

PREN (Pitting Resistance) 26
45
Resilience: Ultimate (Unit Rupture Work), MJ/m3 110 to 210
240
Resilience: Unit (Modulus of Resilience), kJ/m3 140 to 800
270
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 21 to 32
25
Strength to Weight: Bending, points 20 to 26
22
Thermal Diffusivity, mm2/s 4.0
3.2
Thermal Shock Resistance, points 13 to 20
16

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.020
Chromium (Cr), % 16.5 to 18.5
19 to 21
Copper (Cu), % 0
0.5 to 1.5
Iron (Fe), % 62.8 to 71.5
41.7 to 50.4
Manganese (Mn), % 0 to 2.0
0 to 2.0
Molybdenum (Mo), % 2.0 to 2.5
6.0 to 7.0
Nickel (Ni), % 10 to 13
24 to 26
Nitrogen (N), % 0 to 0.1
0.15 to 0.25
Phosphorus (P), % 0 to 0.045
0 to 0.030
Silicon (Si), % 0 to 1.0
0 to 0.5
Sulfur (S), % 0 to 0.015
0 to 0.010