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AISI 304LN Stainless Steel vs. EN 1.4490 Stainless Steel

Both AISI 304LN stainless steel and EN 1.4490 stainless steel are iron alloys. They have a very high 97% 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 304LN stainless steel and the bottom bar is EN 1.4490 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 7.8 to 46
34
Fatigue Strength, MPa 200 to 440
210
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
78
Tensile Strength: Ultimate (UTS), MPa 580 to 1160
560
Tensile Strength: Yield (Proof), MPa 230 to 870
260

Thermal Properties

Latent Heat of Fusion, J/g 290
300
Maximum Temperature: Corrosion, °C 420
420
Maximum Temperature: Mechanical, °C 960
990
Melting Completion (Liquidus), °C 1420
1440
Melting Onset (Solidus), °C 1380
1390
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 15
15
Thermal Expansion, µm/m-K 16
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
2.1
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 16
19
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 3.1
3.7
Embodied Energy, MJ/kg 44
52
Embodied Water, L/kg 150
150

Common Calculations

PREN (Pitting Resistance) 21
29
Resilience: Ultimate (Unit Rupture Work), MJ/m3 83 to 270
160
Resilience: Unit (Modulus of Resilience), kJ/m3 140 to 1900
170
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 21 to 41
20
Strength to Weight: Bending, points 20 to 31
19
Thermal Diffusivity, mm2/s 4.0
4.1
Thermal Shock Resistance, points 13 to 26
16

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.030
Chromium (Cr), % 18 to 20
18 to 20
Iron (Fe), % 65 to 73.9
61.7 to 70.9
Manganese (Mn), % 0 to 2.0
0 to 2.0
Molybdenum (Mo), % 0
2.0 to 2.5
Nickel (Ni), % 8.0 to 12
9.0 to 12
Nitrogen (N), % 0.1 to 0.16
0.12 to 0.2
Phosphorus (P), % 0 to 0.045
0 to 0.035
Silicon (Si), % 0 to 0.75
0 to 1.5
Sulfur (S), % 0 to 0.030
0 to 0.030