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AISI 418 Stainless Steel vs. EN 1.8936 Steel

Both AISI 418 stainless steel and EN 1.8936 steel are iron alloys. They have 82% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (3, 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 1.8936 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 330
180
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 17
20
Fatigue Strength, MPa 520
250
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
73
Shear Strength, MPa 680
370
Tensile Strength: Ultimate (UTS), MPa 1100
600
Tensile Strength: Yield (Proof), MPa 850
370

Thermal Properties

Latent Heat of Fusion, J/g 270
250
Maximum Temperature: Mechanical, °C 770
410
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
40
Thermal Expansion, µm/m-K 10
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.8
7.5
Electrical Conductivity: Equal Weight (Specific), % IACS 3.1
8.6

Otherwise Unclassified Properties

Base Metal Price, % relative 15
2.5
Density, g/cm3 8.0
7.8
Embodied Carbon, kg CO2/kg material 2.9
1.7
Embodied Energy, MJ/kg 41
24
Embodied Water, L/kg 110
50

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 170
100
Resilience: Unit (Modulus of Resilience), kJ/m3 1830
370
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 38
21
Strength to Weight: Bending, points 29
20
Thermal Diffusivity, mm2/s 6.7
11
Thermal Shock Resistance, points 40
17

Alloy Composition

Aluminum (Al), % 0
0 to 0.060
Carbon (C), % 0.15 to 0.2
0 to 0.2
Chromium (Cr), % 12 to 14
0 to 0.3
Copper (Cu), % 0
0 to 0.2
Iron (Fe), % 78.5 to 83.6
95.5 to 98.9
Manganese (Mn), % 0 to 0.5
1.0 to 1.7
Molybdenum (Mo), % 0 to 0.5
0 to 0.1
Nickel (Ni), % 1.8 to 2.2
0 to 1.0
Niobium (Nb), % 0
0 to 0.050
Nitrogen (N), % 0
0 to 0.020
Phosphorus (P), % 0 to 0.040
0 to 0.025
Silicon (Si), % 0 to 0.5
0.1 to 0.6
Sulfur (S), % 0 to 0.030
0 to 0.015
Tungsten (W), % 2.5 to 3.5
0
Vanadium (V), % 0
0 to 0.2