MakeItFrom.com
Menu (ESC)

AISI 418 Stainless Steel vs. EN 1.6368 Steel

Both AISI 418 stainless steel and EN 1.6368 steel are iron alloys. They have 83% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (4, 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 1.6368 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 330
200 to 210
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 17
18
Fatigue Strength, MPa 520
310 to 330
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
73
Shear Strength, MPa 680
410 to 430
Tensile Strength: Ultimate (UTS), MPa 1100
660 to 690
Tensile Strength: Yield (Proof), MPa 850
460 to 490

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
3.4
Density, g/cm3 8.0
7.9
Embodied Carbon, kg CO2/kg material 2.9
1.7
Embodied Energy, MJ/kg 41
22
Embodied Water, L/kg 110
53

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 170
110
Resilience: Unit (Modulus of Resilience), kJ/m3 1830
580 to 650
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 38
23 to 24
Strength to Weight: Bending, points 29
21 to 22
Thermal Diffusivity, mm2/s 6.7
11
Thermal Shock Resistance, points 40
20

Alloy Composition

Aluminum (Al), % 0
0.015 to 0.040
Carbon (C), % 0.15 to 0.2
0 to 0.17
Chromium (Cr), % 12 to 14
0 to 0.3
Copper (Cu), % 0
0.5 to 0.8
Iron (Fe), % 78.5 to 83.6
95.1 to 97.2
Manganese (Mn), % 0 to 0.5
0.8 to 1.2
Molybdenum (Mo), % 0 to 0.5
0.25 to 0.5
Nickel (Ni), % 1.8 to 2.2
1.0 to 1.3
Niobium (Nb), % 0
0.015 to 0.045
Nitrogen (N), % 0
0 to 0.020
Phosphorus (P), % 0 to 0.040
0 to 0.025
Silicon (Si), % 0 to 0.5
0.25 to 0.5
Sulfur (S), % 0 to 0.030
0 to 0.010
Tungsten (W), % 2.5 to 3.5
0