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EN 1.4104 Stainless Steel vs. AISI 314 Stainless Steel

Both EN 1.4104 stainless steel and AISI 314 stainless steel are iron alloys. They have 70% 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 1.4104 stainless steel and the bottom bar is AISI 314 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 11 to 23
45
Fatigue Strength, MPa 230 to 310
210
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
78
Shear Strength, MPa 400 to 450
410
Tensile Strength: Ultimate (UTS), MPa 630 to 750
590
Tensile Strength: Yield (Proof), MPa 350 to 560
230

Thermal Properties

Latent Heat of Fusion, J/g 280
330
Maximum Temperature: Corrosion, °C 410
440
Maximum Temperature: Mechanical, °C 860
1100
Melting Completion (Liquidus), °C 1440
1380
Melting Onset (Solidus), °C 1390
1340
Specific Heat Capacity, J/kg-K 480
490
Thermal Conductivity, W/m-K 25
15
Thermal Expansion, µm/m-K 10
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.5
2.0
Electrical Conductivity: Equal Weight (Specific), % IACS 2.9
2.3

Otherwise Unclassified Properties

Base Metal Price, % relative 8.5
25
Density, g/cm3 7.7
7.7
Embodied Carbon, kg CO2/kg material 2.2
4.3
Embodied Energy, MJ/kg 30
62
Embodied Water, L/kg 120
190

Common Calculations

PREN (Pitting Resistance) 18
25
Resilience: Ultimate (Unit Rupture Work), MJ/m3 77 to 120
210
Resilience: Unit (Modulus of Resilience), kJ/m3 310 to 800
130
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 23 to 27
21
Strength to Weight: Bending, points 21 to 24
20
Thermal Diffusivity, mm2/s 6.7
3.9
Thermal Shock Resistance, points 22 to 27
14

Alloy Composition

Carbon (C), % 0.1 to 0.17
0 to 0.25
Chromium (Cr), % 15.5 to 17.5
23 to 26
Iron (Fe), % 78.8 to 84.1
46.7 to 56.5
Manganese (Mn), % 0 to 1.5
0 to 2.0
Molybdenum (Mo), % 0.2 to 0.6
0
Nickel (Ni), % 0
19 to 22
Phosphorus (P), % 0 to 0.040
0 to 0.045
Silicon (Si), % 0 to 1.0
1.5 to 3.0
Sulfur (S), % 0.15 to 0.35
0 to 0.030