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EN 1.4024 Stainless Steel vs. AISI 303 Stainless Steel

Both EN 1.4024 stainless steel and AISI 303 stainless steel are iron alloys. They have 85% of their average alloy composition in common. There are 32 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is EN 1.4024 stainless steel and the bottom bar is AISI 303 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 15 to 22
40 to 51
Fatigue Strength, MPa 220 to 300
230 to 360
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
77
Shear Strength, MPa 370 to 460
430 to 470
Tensile Strength: Ultimate (UTS), MPa 590 to 750
600 to 690
Tensile Strength: Yield (Proof), MPa 330 to 510
230 to 420

Thermal Properties

Latent Heat of Fusion, J/g 270
290
Maximum Temperature: Corrosion, °C 390
410
Maximum Temperature: Mechanical, °C 760
930
Melting Completion (Liquidus), °C 1440
1450
Melting Onset (Solidus), °C 1400
1400
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 30
16
Thermal Expansion, µm/m-K 11
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 3.3
2.8

Otherwise Unclassified Properties

Base Metal Price, % relative 7.0
15
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 1.9
3.0
Embodied Energy, MJ/kg 27
42
Embodied Water, L/kg 100
140

Common Calculations

PREN (Pitting Resistance) 13
18
Resilience: Ultimate (Unit Rupture Work), MJ/m3 98 to 110
240
Resilience: Unit (Modulus of Resilience), kJ/m3 280 to 660
140 to 440
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 21 to 27
21 to 25
Strength to Weight: Bending, points 20 to 24
20 to 22
Thermal Diffusivity, mm2/s 8.1
4.4
Thermal Shock Resistance, points 21 to 26
13 to 15

Alloy Composition

Carbon (C), % 0.12 to 0.17
0 to 0.15
Chromium (Cr), % 12 to 14
17 to 19
Iron (Fe), % 83.8 to 87.9
67.3 to 74.9
Manganese (Mn), % 0 to 1.0
0 to 2.0
Nickel (Ni), % 0
8.0 to 10
Phosphorus (P), % 0 to 0.040
0 to 0.2
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.015
0.15 to 0.35

Comparable Variants