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AISI 316N Stainless Steel vs. EN 1.4421 Stainless Steel

Both AISI 316N stainless steel and EN 1.4421 stainless steel are iron alloys. They have 89% of their average alloy composition in common. There are 31 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 AISI 316N stainless steel and the bottom bar is EN 1.4421 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 9.0 to 39
11 to 17
Fatigue Strength, MPa 230 to 450
380 to 520
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 78
77
Tensile Strength: Ultimate (UTS), MPa 620 to 1160
880 to 1100
Tensile Strength: Yield (Proof), MPa 270 to 870
620 to 950

Thermal Properties

Latent Heat of Fusion, J/g 290
280
Maximum Temperature: Corrosion, °C 410
410
Maximum Temperature: Mechanical, °C 940
870
Melting Completion (Liquidus), °C 1440
1440
Melting Onset (Solidus), °C 1400
1400
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 15
16
Thermal Expansion, µm/m-K 16
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.3
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 19
12
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 3.9
2.6
Embodied Energy, MJ/kg 53
36
Embodied Water, L/kg 150
130

Common Calculations

PREN (Pitting Resistance) 27
18
Resilience: Ultimate (Unit Rupture Work), MJ/m3 95 to 230
120 to 140
Resilience: Unit (Modulus of Resilience), kJ/m3 180 to 1880
960 to 2270
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 22 to 41
31 to 39
Strength to Weight: Bending, points 20 to 31
26 to 30
Thermal Diffusivity, mm2/s 4.1
4.4
Thermal Shock Resistance, points 14 to 26
31 to 39

Alloy Composition

Carbon (C), % 0 to 0.080
0 to 0.060
Chromium (Cr), % 16 to 18
15.5 to 17.5
Iron (Fe), % 61.9 to 71.9
74.4 to 80.5
Manganese (Mn), % 0 to 2.0
0 to 1.0
Molybdenum (Mo), % 2.0 to 3.0
0 to 0.7
Nickel (Ni), % 10 to 14
4.0 to 5.5
Nitrogen (N), % 0.1 to 0.16
0
Phosphorus (P), % 0 to 0.045
0 to 0.035
Silicon (Si), % 0 to 0.75
0 to 0.8
Sulfur (S), % 0 to 0.030
0 to 0.020

Comparable Variants