MakeItFrom.com
Menu (ESC)

EN 1.4621 Stainless Steel vs. AISI 304LN Stainless Steel

Both EN 1.4621 stainless steel and AISI 304LN stainless steel are iron alloys. They have 89% of their average alloy composition in common. There are 32 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is EN 1.4621 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, % 25
7.8 to 46
Fatigue Strength, MPa 190
200 to 440
Poisson's Ratio 0.27
0.28
Shear Modulus, GPa 78
77
Shear Strength, MPa 320
400 to 680
Tensile Strength: Ultimate (UTS), MPa 500
580 to 1160
Tensile Strength: Yield (Proof), MPa 270
230 to 870

Thermal Properties

Latent Heat of Fusion, J/g 290
290
Maximum Temperature: Corrosion, °C 510
420
Maximum Temperature: Mechanical, °C 970
960
Melting Completion (Liquidus), °C 1440
1420
Melting Onset (Solidus), °C 1390
1380
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 21
15
Thermal Expansion, µm/m-K 11
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.6
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 3.1
2.7

Otherwise Unclassified Properties

Base Metal Price, % relative 14
16
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 2.8
3.1
Embodied Energy, MJ/kg 41
44
Embodied Water, L/kg 140
150

Common Calculations

PREN (Pitting Resistance) 21
21
Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
83 to 270
Resilience: Unit (Modulus of Resilience), kJ/m3 190
140 to 1900
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 18
21 to 41
Strength to Weight: Bending, points 18
20 to 31
Thermal Diffusivity, mm2/s 5.7
4.0
Thermal Shock Resistance, points 17
13 to 26

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.030
Chromium (Cr), % 20 to 21.5
18 to 20
Copper (Cu), % 0.1 to 1.0
0
Iron (Fe), % 74.4 to 79.7
65 to 73.9
Manganese (Mn), % 0 to 1.0
0 to 2.0
Nickel (Ni), % 0
8.0 to 12
Niobium (Nb), % 0.2 to 1.0
0
Nitrogen (N), % 0 to 0.030
0.1 to 0.16
Phosphorus (P), % 0 to 0.040
0 to 0.045
Silicon (Si), % 0 to 1.0
0 to 0.75
Sulfur (S), % 0 to 0.015
0 to 0.030