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AISI 316N Stainless Steel vs. EN 1.4640 Stainless Steel

Both AISI 316N stainless steel and EN 1.4640 stainless steel are iron alloys. They have a moderately high 91% of their average alloy composition in common.

For each property being compared, the top bar is AISI 316N stainless steel and the bottom bar is EN 1.4640 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190 to 350
190 to 200
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 9.0 to 39
51
Fatigue Strength, MPa 230 to 450
230 to 250
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 78
77
Shear Strength, MPa 420 to 690
440 to 460
Tensile Strength: Ultimate (UTS), MPa 620 to 1160
620 to 650
Tensile Strength: Yield (Proof), MPa 270 to 870
240 to 260

Thermal Properties

Latent Heat of Fusion, J/g 290
280
Maximum Temperature: Corrosion, °C 410
420
Maximum Temperature: Mechanical, °C 940
930
Melting Completion (Liquidus), °C 1440
1420
Melting Onset (Solidus), °C 1400
1380
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 15
15
Thermal Expansion, µm/m-K 16
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.3
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
2.7

Otherwise Unclassified Properties

Base Metal Price, % relative 19
14
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 3.9
2.8
Embodied Energy, MJ/kg 53
40
Embodied Water, L/kg 150
150

Common Calculations

PREN (Pitting Resistance) 27
20
Resilience: Ultimate (Unit Rupture Work), MJ/m3 95 to 230
250 to 260
Resilience: Unit (Modulus of Resilience), kJ/m3 180 to 1880
150 to 170
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 22 to 41
22 to 23
Strength to Weight: Bending, points 20 to 31
21
Thermal Diffusivity, mm2/s 4.1
4.0
Thermal Shock Resistance, points 14 to 26
14 to 15

Alloy Composition

Carbon (C), % 0 to 0.080
0.030 to 0.080
Chromium (Cr), % 16 to 18
18 to 19
Copper (Cu), % 0
1.3 to 2.0
Iron (Fe), % 61.9 to 71.9
67.4 to 73.6
Manganese (Mn), % 0 to 2.0
1.5 to 4.0
Molybdenum (Mo), % 2.0 to 3.0
0
Nickel (Ni), % 10 to 14
5.5 to 6.9
Nitrogen (N), % 0.1 to 0.16
0.030 to 0.11
Phosphorus (P), % 0 to 0.045
0 to 0.045
Silicon (Si), % 0 to 0.75
0 to 0.5
Sulfur (S), % 0 to 0.030
0 to 0.015