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EN 1.4411 Stainless Steel vs. EN 1.4374 Stainless Steel

Both EN 1.4411 stainless steel and EN 1.4374 stainless steel are iron alloys. They have 88% 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 1.4411 stainless steel and the bottom bar is EN 1.4374 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 17
40
Fatigue Strength, MPa 370
340
Impact Strength: V-Notched Charpy, J 68
90
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 78
77
Tensile Strength: Ultimate (UTS), MPa 870
800
Tensile Strength: Yield (Proof), MPa 600
400

Thermal Properties

Latent Heat of Fusion, J/g 280
290
Maximum Temperature: Corrosion, °C 410
410
Maximum Temperature: Mechanical, °C 880
920
Melting Completion (Liquidus), °C 1450
1400
Melting Onset (Solidus), °C 1410
1360
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 17
15
Thermal Expansion, µm/m-K 11
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
2.9

Otherwise Unclassified Properties

Base Metal Price, % relative 13
14
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 3.0
2.9
Embodied Energy, MJ/kg 41
42
Embodied Water, L/kg 130
150

Common Calculations

PREN (Pitting Resistance) 22
23
Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
270
Resilience: Unit (Modulus of Resilience), kJ/m3 920
400
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 31
29
Strength to Weight: Bending, points 26
25
Thermal Diffusivity, mm2/s 4.6
4.0
Thermal Shock Resistance, points 28
17

Alloy Composition

Carbon (C), % 0 to 0.060
0.050 to 0.1
Chromium (Cr), % 15 to 17
17.5 to 18.5
Copper (Cu), % 0
0 to 0.4
Iron (Fe), % 73.1 to 79.5
63.5 to 67.9
Manganese (Mn), % 0 to 1.0
9.0 to 10
Molybdenum (Mo), % 1.5 to 2.0
0 to 0.5
Nickel (Ni), % 4.0 to 6.0
5.0 to 6.0
Nitrogen (N), % 0
0.25 to 0.32
Phosphorus (P), % 0 to 0.035
0 to 0.035
Silicon (Si), % 0 to 0.8
0.3 to 0.6
Sulfur (S), % 0 to 0.025
0 to 0.030