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EN 1.4986 Stainless Steel vs. AISI 316LN Stainless Steel

Both EN 1.4986 stainless steel and AISI 316LN stainless steel are iron alloys. They have a moderately high 94% of their average alloy composition in common. There are 33 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is EN 1.4986 stainless steel and the bottom bar is AISI 316LN stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 230
180
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 18
42
Fatigue Strength, MPa 350
200
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
82
Shear Strength, MPa 460
410
Tensile Strength: Ultimate (UTS), MPa 750
590
Tensile Strength: Yield (Proof), MPa 560
230

Thermal Properties

Latent Heat of Fusion, J/g 290
290
Maximum Temperature: Corrosion, °C 520
410
Maximum Temperature: Mechanical, °C 940
940
Melting Completion (Liquidus), °C 1450
1450
Melting Onset (Solidus), °C 1400
1380
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 15
15
Thermal Expansion, µm/m-K 17
17

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 25
19
Density, g/cm3 7.9
7.9
Embodied Carbon, kg CO2/kg material 4.8
3.8
Embodied Energy, MJ/kg 67
53
Embodied Water, L/kg 150
150

Common Calculations

PREN (Pitting Resistance) 22
27
Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
200
Resilience: Unit (Modulus of Resilience), kJ/m3 790
130
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 26
21
Strength to Weight: Bending, points 23
20
Thermal Diffusivity, mm2/s 4.0
4.1
Thermal Shock Resistance, points 16
13

Alloy Composition

Boron (B), % 0.050 to 0.1
0
Carbon (C), % 0.040 to 0.1
0 to 0.030
Chromium (Cr), % 15.5 to 17.5
16 to 18
Iron (Fe), % 59.4 to 66.6
62 to 71.9
Manganese (Mn), % 0 to 1.5
0 to 2.0
Molybdenum (Mo), % 1.6 to 2.0
2.0 to 3.0
Nickel (Ni), % 15.5 to 17.5
10 to 14
Niobium (Nb), % 0.4 to 1.2
0
Nitrogen (N), % 0
0.1 to 0.16
Phosphorus (P), % 0 to 0.045
0 to 0.045
Silicon (Si), % 0.3 to 0.6
0 to 0.75
Sulfur (S), % 0 to 0.030
0 to 0.030