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AISI 418 Stainless Steel vs. EN 1.4482 Stainless Steel

Both AISI 418 stainless steel and EN 1.4482 stainless steel are iron alloys. They have 86% 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 AISI 418 stainless steel and the bottom bar is EN 1.4482 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 17
34
Fatigue Strength, MPa 520
420 to 450
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
78
Shear Strength, MPa 680
510 to 530
Tensile Strength: Ultimate (UTS), MPa 1100
770 to 800
Tensile Strength: Yield (Proof), MPa 850
530 to 570

Thermal Properties

Latent Heat of Fusion, J/g 270
290
Maximum Temperature: Corrosion, °C 390
430
Maximum Temperature: Mechanical, °C 770
980
Melting Completion (Liquidus), °C 1500
1420
Melting Onset (Solidus), °C 1460
1370
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 25
15
Thermal Expansion, µm/m-K 10
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.8
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 3.1
2.6

Otherwise Unclassified Properties

Base Metal Price, % relative 15
12
Density, g/cm3 8.0
7.7
Embodied Carbon, kg CO2/kg material 2.9
2.7
Embodied Energy, MJ/kg 41
38
Embodied Water, L/kg 110
150

Common Calculations

PREN (Pitting Resistance) 19
24
Resilience: Ultimate (Unit Rupture Work), MJ/m3 170
230 to 250
Resilience: Unit (Modulus of Resilience), kJ/m3 1830
690 to 820
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 38
28 to 29
Strength to Weight: Bending, points 29
24 to 25
Thermal Diffusivity, mm2/s 6.7
4.0
Thermal Shock Resistance, points 40
21 to 22

Alloy Composition

Carbon (C), % 0.15 to 0.2
0 to 0.030
Chromium (Cr), % 12 to 14
19.5 to 21.5
Copper (Cu), % 0
0 to 1.0
Iron (Fe), % 78.5 to 83.6
66.1 to 74.9
Manganese (Mn), % 0 to 0.5
4.0 to 6.0
Molybdenum (Mo), % 0 to 0.5
0.1 to 0.6
Nickel (Ni), % 1.8 to 2.2
1.5 to 3.5
Nitrogen (N), % 0
0.050 to 0.2
Phosphorus (P), % 0 to 0.040
0 to 0.035
Silicon (Si), % 0 to 0.5
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.030
Tungsten (W), % 2.5 to 3.5
0