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EN 1.4419 Stainless Steel vs. AISI 308 Stainless Steel

Both EN 1.4419 stainless steel and AISI 308 stainless steel are iron alloys. They have 82% 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 EN 1.4419 stainless steel and the bottom bar is AISI 308 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 11 to 17
45
Fatigue Strength, MPa 230 to 680
210
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
78
Shear Strength, MPa 410 to 950
410
Tensile Strength: Ultimate (UTS), MPa 660 to 1590
590
Tensile Strength: Yield (Proof), MPa 370 to 1240
230

Thermal Properties

Latent Heat of Fusion, J/g 280
290
Maximum Temperature: Corrosion, °C 390
420
Maximum Temperature: Mechanical, °C 790
990
Melting Completion (Liquidus), °C 1440
1420
Melting Onset (Solidus), °C 1400
1380
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 30
15
Thermal Expansion, µm/m-K 11
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.8
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 3.2
2.8

Otherwise Unclassified Properties

Base Metal Price, % relative 8.0
17
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 2.2
3.2
Embodied Energy, MJ/kg 30
46
Embodied Water, L/kg 110
150

Common Calculations

PREN (Pitting Resistance) 16
20
Resilience: Ultimate (Unit Rupture Work), MJ/m3 95 to 170
210
Resilience: Unit (Modulus of Resilience), kJ/m3 350 to 3920
140
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 24 to 57
21
Strength to Weight: Bending, points 22 to 39
20
Thermal Diffusivity, mm2/s 8.1
4.1
Thermal Shock Resistance, points 23 to 55
13

Alloy Composition

Carbon (C), % 0.36 to 0.42
0 to 0.080
Chromium (Cr), % 13 to 14.5
19 to 21
Iron (Fe), % 82 to 86
64.1 to 71
Manganese (Mn), % 0 to 1.0
0 to 2.0
Molybdenum (Mo), % 0.6 to 1.0
0
Nickel (Ni), % 0
10 to 12
Phosphorus (P), % 0 to 0.040
0 to 0.045
Silicon (Si), % 0 to 1.0
0 to 0.75
Sulfur (S), % 0 to 0.015
0 to 0.030