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AISI 347LN Stainless Steel vs. EN 1.4404 Stainless Steel

Both AISI 347LN stainless steel and EN 1.4404 stainless steel are iron alloys. They have a very high 97% 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 AISI 347LN stainless steel and the bottom bar is EN 1.4404 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180
190 to 270
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 40
14 to 43
Fatigue Strength, MPa 200
220 to 320
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
78
Shear Strength, MPa 400
420 to 550
Tensile Strength: Ultimate (UTS), MPa 590
600 to 900
Tensile Strength: Yield (Proof), MPa 230
240 to 570

Thermal Properties

Latent Heat of Fusion, J/g 290
290
Maximum Temperature: Corrosion, °C 460
410
Maximum Temperature: Mechanical, °C 940
950
Melting Completion (Liquidus), °C 1430
1440
Melting Onset (Solidus), °C 1380
1400
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 15
15
Thermal Expansion, µm/m-K 16
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
2.3
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
2.6

Otherwise Unclassified Properties

Base Metal Price, % relative 18
19
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 3.5
3.8
Embodied Energy, MJ/kg 49
52
Embodied Water, L/kg 150
150

Common Calculations

PREN (Pitting Resistance) 19
26
Resilience: Ultimate (Unit Rupture Work), MJ/m3 190
110 to 210
Resilience: Unit (Modulus of Resilience), kJ/m3 130
140 to 800
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 21
21 to 32
Strength to Weight: Bending, points 20
20 to 26
Thermal Diffusivity, mm2/s 4.1
4.0
Thermal Shock Resistance, points 13
13 to 20

Alloy Composition

Carbon (C), % 0.0050 to 0.020
0 to 0.030
Chromium (Cr), % 17 to 19
16.5 to 18.5
Iron (Fe), % 64.3 to 73.7
62.8 to 71.5
Manganese (Mn), % 0 to 2.0
0 to 2.0
Molybdenum (Mo), % 0
2.0 to 2.5
Nickel (Ni), % 9.0 to 13
10 to 13
Niobium (Nb), % 0.2 to 0.5
0
Nitrogen (N), % 0.060 to 0.1
0 to 0.1
Phosphorus (P), % 0 to 0.045
0 to 0.045
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.015