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AISI 418 Stainless Steel vs. EN 1.3533 Steel

Both AISI 418 stainless steel and EN 1.3533 steel are iron alloys. They have 85% of their average alloy composition in common. There are 26 material properties with values for both materials. Properties with values for just one material (8, 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 1.3533 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 330
210 to 220
Elastic (Young's, Tensile) Modulus, GPa 200
190
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
73
Tensile Strength: Ultimate (UTS), MPa 1100
690 to 1420

Thermal Properties

Latent Heat of Fusion, J/g 270
250
Maximum Temperature: Mechanical, °C 770
440
Melting Completion (Liquidus), °C 1500
1460
Melting Onset (Solidus), °C 1460
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 25
47
Thermal Expansion, µm/m-K 10
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.8
7.9
Electrical Conductivity: Equal Weight (Specific), % IACS 3.1
9.0

Otherwise Unclassified Properties

Base Metal Price, % relative 15
5.0
Density, g/cm3 8.0
7.9
Embodied Carbon, kg CO2/kg material 2.9
1.8
Embodied Energy, MJ/kg 41
25
Embodied Water, L/kg 110
60

Common Calculations

PREN (Pitting Resistance) 19
2.1
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 38
24 to 50
Strength to Weight: Bending, points 29
22 to 36
Thermal Diffusivity, mm2/s 6.7
13
Thermal Shock Resistance, points 40
20 to 42

Alloy Composition

Aluminum (Al), % 0
0 to 0.050
Carbon (C), % 0.15 to 0.2
0.15 to 0.2
Chromium (Cr), % 12 to 14
1.3 to 1.6
Copper (Cu), % 0
0 to 0.3
Iron (Fe), % 78.5 to 83.6
92.9 to 94.9
Manganese (Mn), % 0 to 0.5
0.4 to 0.7
Molybdenum (Mo), % 0 to 0.5
0.15 to 0.25
Nickel (Ni), % 1.8 to 2.2
3.3 to 3.8
Oxygen (O), % 0
0 to 0.0020
Phosphorus (P), % 0 to 0.040
0 to 0.025
Silicon (Si), % 0 to 0.5
0 to 0.4
Sulfur (S), % 0 to 0.030
0 to 0.030
Tungsten (W), % 2.5 to 3.5
0