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EN 1.4405 Stainless Steel vs. AISI 304LN Stainless Steel

Both EN 1.4405 stainless steel and AISI 304LN stainless steel are iron alloys. They have a moderately high 91% 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 EN 1.4405 stainless steel and the bottom bar is AISI 304LN stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 17
7.8 to 46
Fatigue Strength, MPa 370
200 to 440
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
77
Tensile Strength: Ultimate (UTS), MPa 860
580 to 1160
Tensile Strength: Yield (Proof), MPa 610
230 to 870

Thermal Properties

Latent Heat of Fusion, J/g 280
290
Maximum Temperature: Corrosion, °C 410
420
Maximum Temperature: Mechanical, °C 870
960
Melting Completion (Liquidus), °C 1450
1420
Melting Onset (Solidus), °C 1400
1380
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 17
15
Thermal Expansion, µm/m-K 11
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
2.7

Otherwise Unclassified Properties

Base Metal Price, % relative 13
16
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 2.8
3.1
Embodied Energy, MJ/kg 39
44
Embodied Water, L/kg 130
150

Common Calculations

PREN (Pitting Resistance) 20
21
Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
83 to 270
Resilience: Unit (Modulus of Resilience), kJ/m3 950
140 to 1900
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 31
21 to 41
Strength to Weight: Bending, points 26
20 to 31
Thermal Diffusivity, mm2/s 4.6
4.0
Thermal Shock Resistance, points 29
13 to 26

Alloy Composition

Carbon (C), % 0 to 0.060
0 to 0.030
Chromium (Cr), % 15 to 17
18 to 20
Iron (Fe), % 73.6 to 80.3
65 to 73.9
Manganese (Mn), % 0 to 1.0
0 to 2.0
Molybdenum (Mo), % 0.7 to 1.5
0
Nickel (Ni), % 4.0 to 6.0
8.0 to 12
Nitrogen (N), % 0
0.1 to 0.16
Phosphorus (P), % 0 to 0.035
0 to 0.045
Silicon (Si), % 0 to 0.8
0 to 0.75
Sulfur (S), % 0 to 0.025
0 to 0.030