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EN 1.4024 Stainless Steel vs. EN 1.4818 Stainless Steel

Both EN 1.4024 stainless steel and EN 1.4818 stainless steel are iron alloys. They have 83% 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 1.4024 stainless steel and the bottom bar is EN 1.4818 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 15 to 22
40
Fatigue Strength, MPa 220 to 300
280
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
77
Shear Strength, MPa 370 to 460
480
Tensile Strength: Ultimate (UTS), MPa 590 to 750
700
Tensile Strength: Yield (Proof), MPa 330 to 510
330

Thermal Properties

Latent Heat of Fusion, J/g 270
300
Maximum Temperature: Corrosion, °C 390
420
Maximum Temperature: Mechanical, °C 760
1050
Melting Completion (Liquidus), °C 1440
1410
Melting Onset (Solidus), °C 1400
1370
Specific Heat Capacity, J/kg-K 480
490
Thermal Conductivity, W/m-K 30
17
Thermal Expansion, µm/m-K 11
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
2.0
Electrical Conductivity: Equal Weight (Specific), % IACS 3.3
2.4

Otherwise Unclassified Properties

Base Metal Price, % relative 7.0
16
Density, g/cm3 7.7
7.7
Embodied Carbon, kg CO2/kg material 1.9
3.1
Embodied Energy, MJ/kg 27
44
Embodied Water, L/kg 100
150

Common Calculations

PREN (Pitting Resistance) 13
22
Resilience: Ultimate (Unit Rupture Work), MJ/m3 98 to 110
230
Resilience: Unit (Modulus of Resilience), kJ/m3 280 to 660
270
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 21 to 27
25
Strength to Weight: Bending, points 20 to 24
23
Thermal Diffusivity, mm2/s 8.1
4.5
Thermal Shock Resistance, points 21 to 26
15

Alloy Composition

Carbon (C), % 0.12 to 0.17
0.040 to 0.080
Cerium (Ce), % 0
0.030 to 0.080
Chromium (Cr), % 12 to 14
18 to 20
Iron (Fe), % 83.8 to 87.9
65.6 to 71.8
Manganese (Mn), % 0 to 1.0
0 to 1.0
Nickel (Ni), % 0
9.0 to 11
Nitrogen (N), % 0
0.12 to 0.2
Phosphorus (P), % 0 to 0.040
0 to 0.045
Silicon (Si), % 0 to 1.0
1.0 to 2.0
Sulfur (S), % 0 to 0.015
0 to 0.015