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EN 1.4424 Stainless Steel vs. AISI 316L Stainless Steel

Both EN 1.4424 stainless steel and AISI 316L stainless steel are iron alloys. They have a moderately high 93% of their average alloy composition in common. There are 33 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 1.4424 stainless steel and the bottom bar is AISI 316L stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 230
170 to 350
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 28
9.0 to 50
Fatigue Strength, MPa 350 to 370
170 to 450
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 78
78
Shear Strength, MPa 520
370 to 690
Tensile Strength: Ultimate (UTS), MPa 800
530 to 1160
Tensile Strength: Yield (Proof), MPa 480 to 500
190 to 870

Thermal Properties

Latent Heat of Fusion, J/g 310
290
Maximum Temperature: Corrosion, °C 420
410
Maximum Temperature: Mechanical, °C 960
870
Melting Completion (Liquidus), °C 1430
1400
Melting Onset (Solidus), °C 1390
1380
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 13
15
Thermal Expansion, µm/m-K 12
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
2.3
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
2.6

Otherwise Unclassified Properties

Base Metal Price, % relative 15
19
Density, g/cm3 7.7
7.9
Embodied Carbon, kg CO2/kg material 3.4
3.9
Embodied Energy, MJ/kg 46
53
Embodied Water, L/kg 140
150

Common Calculations

PREN (Pitting Resistance) 29
26
Resilience: Ultimate (Unit Rupture Work), MJ/m3 190 to 200
77 to 230
Resilience: Unit (Modulus of Resilience), kJ/m3 580 to 640
93 to 1880
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 29
19 to 41
Strength to Weight: Bending, points 25
18 to 31
Thermal Diffusivity, mm2/s 3.5
4.1
Thermal Shock Resistance, points 23
12 to 25

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.030
Chromium (Cr), % 18 to 19
16 to 18
Iron (Fe), % 68.6 to 72.4
62 to 72
Manganese (Mn), % 1.2 to 2.0
0 to 2.0
Molybdenum (Mo), % 2.5 to 3.0
2.0 to 3.0
Nickel (Ni), % 4.5 to 5.2
10 to 14
Nitrogen (N), % 0.050 to 0.1
0 to 0.1
Phosphorus (P), % 0 to 0.035
0 to 0.045
Silicon (Si), % 1.4 to 2.0
0 to 0.75
Sulfur (S), % 0 to 0.015
0 to 0.030

Comparable Variants