MakeItFrom.com
Menu (ESC)

EN 1.4621 Stainless Steel vs. EN 1.4024 Stainless Steel

Both EN 1.4621 stainless steel and EN 1.4024 stainless steel are iron alloys. They have a moderately high 91% of their average alloy composition in common.

For each property being compared, the top bar is EN 1.4621 stainless steel and the bottom bar is EN 1.4024 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 25
15 to 22
Fatigue Strength, MPa 190
220 to 300
Poisson's Ratio 0.27
0.28
Shear Modulus, GPa 78
76
Shear Strength, MPa 320
370 to 460
Tensile Strength: Ultimate (UTS), MPa 500
590 to 750
Tensile Strength: Yield (Proof), MPa 270
330 to 510

Thermal Properties

Latent Heat of Fusion, J/g 290
270
Maximum Temperature: Corrosion, °C 510
390
Maximum Temperature: Mechanical, °C 970
760
Melting Completion (Liquidus), °C 1440
1440
Melting Onset (Solidus), °C 1390
1400
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 21
30
Thermal Expansion, µm/m-K 11
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.6
2.9
Electrical Conductivity: Equal Weight (Specific), % IACS 3.1
3.3

Otherwise Unclassified Properties

Base Metal Price, % relative 14
7.0
Density, g/cm3 7.7
7.7
Embodied Carbon, kg CO2/kg material 2.8
1.9
Embodied Energy, MJ/kg 41
27
Embodied Water, L/kg 140
100

Common Calculations

PREN (Pitting Resistance) 21
13
Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
98 to 110
Resilience: Unit (Modulus of Resilience), kJ/m3 190
280 to 660
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 18
21 to 27
Strength to Weight: Bending, points 18
20 to 24
Thermal Diffusivity, mm2/s 5.7
8.1
Thermal Shock Resistance, points 17
21 to 26

Alloy Composition

Carbon (C), % 0 to 0.030
0.12 to 0.17
Chromium (Cr), % 20 to 21.5
12 to 14
Copper (Cu), % 0.1 to 1.0
0
Iron (Fe), % 74.4 to 79.7
83.8 to 87.9
Manganese (Mn), % 0 to 1.0
0 to 1.0
Niobium (Nb), % 0.2 to 1.0
0
Nitrogen (N), % 0 to 0.030
0
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.015
0 to 0.015

Comparable Variants