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AISI 414 Stainless Steel vs. EN 1.4938 Stainless Steel

Both AISI 414 stainless steel and EN 1.4938 stainless steel are iron alloys. They have a very high 97% of their average alloy composition in common. There are 32 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 AISI 414 stainless steel and the bottom bar is EN 1.4938 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 17
16 to 17
Fatigue Strength, MPa 430 to 480
390 to 520
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
76
Shear Strength, MPa 550 to 590
540 to 630
Tensile Strength: Ultimate (UTS), MPa 900 to 960
870 to 1030
Tensile Strength: Yield (Proof), MPa 700 to 790
640 to 870

Thermal Properties

Latent Heat of Fusion, J/g 280
270
Maximum Temperature: Corrosion, °C 390
390
Maximum Temperature: Mechanical, °C 750
750
Melting Completion (Liquidus), °C 1440
1460
Melting Onset (Solidus), °C 1400
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 25
30
Thermal Expansion, µm/m-K 10
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.5
2.9
Electrical Conductivity: Equal Weight (Specific), % IACS 2.9
3.3

Otherwise Unclassified Properties

Base Metal Price, % relative 8.0
10
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 2.1
3.3
Embodied Energy, MJ/kg 29
47
Embodied Water, L/kg 100
110

Common Calculations

PREN (Pitting Resistance) 13
18
Resilience: Ultimate (Unit Rupture Work), MJ/m3 140 to 150
140 to 160
Resilience: Unit (Modulus of Resilience), kJ/m3 1260 to 1590
1050 to 1920
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 32 to 34
31 to 37
Strength to Weight: Bending, points 27 to 28
26 to 29
Thermal Diffusivity, mm2/s 6.7
8.1
Thermal Shock Resistance, points 33 to 35
30 to 35

Alloy Composition

Carbon (C), % 0 to 0.15
0.080 to 0.15
Chromium (Cr), % 11.5 to 13.5
11 to 12.5
Iron (Fe), % 81.8 to 87.3
80.5 to 84.8
Manganese (Mn), % 0 to 1.0
0.4 to 0.9
Molybdenum (Mo), % 0
1.5 to 2.0
Nickel (Ni), % 1.3 to 2.5
2.0 to 3.0
Nitrogen (N), % 0
0.020 to 0.040
Phosphorus (P), % 0 to 0.040
0 to 0.025
Silicon (Si), % 0 to 1.0
0 to 0.5
Sulfur (S), % 0 to 0.030
0 to 0.015
Vanadium (V), % 0
0.25 to 0.4