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AISI 418 Stainless Steel vs. EN 1.4835 Stainless Steel

Both AISI 418 stainless steel and EN 1.4835 stainless steel are iron alloys. They have 81% of their average alloy composition in common. There are 33 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 AISI 418 stainless steel and the bottom bar is EN 1.4835 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 330
180
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 17
43
Fatigue Strength, MPa 520
310
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
77
Shear Strength, MPa 680
520
Tensile Strength: Ultimate (UTS), MPa 1100
750
Tensile Strength: Yield (Proof), MPa 850
350

Thermal Properties

Latent Heat of Fusion, J/g 270
320
Maximum Temperature: Corrosion, °C 390
430
Maximum Temperature: Mechanical, °C 770
1150
Melting Completion (Liquidus), °C 1500
1400
Melting Onset (Solidus), °C 1460
1360
Specific Heat Capacity, J/kg-K 470
490
Thermal Conductivity, W/m-K 25
15
Thermal Expansion, µm/m-K 10
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.8
2.0
Electrical Conductivity: Equal Weight (Specific), % IACS 3.1
2.4

Otherwise Unclassified Properties

Base Metal Price, % relative 15
17
Density, g/cm3 8.0
7.7
Embodied Carbon, kg CO2/kg material 2.9
3.3
Embodied Energy, MJ/kg 41
47
Embodied Water, L/kg 110
160

Common Calculations

PREN (Pitting Resistance) 19
24
Resilience: Ultimate (Unit Rupture Work), MJ/m3 170
270
Resilience: Unit (Modulus of Resilience), kJ/m3 1830
310
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 38
27
Strength to Weight: Bending, points 29
24
Thermal Diffusivity, mm2/s 6.7
4.0
Thermal Shock Resistance, points 40
16

Alloy Composition

Carbon (C), % 0.15 to 0.2
0.050 to 0.12
Cerium (Ce), % 0
0.030 to 0.080
Chromium (Cr), % 12 to 14
20 to 22
Iron (Fe), % 78.5 to 83.6
62 to 68.4
Manganese (Mn), % 0 to 0.5
0 to 1.0
Molybdenum (Mo), % 0 to 0.5
0
Nickel (Ni), % 1.8 to 2.2
10 to 12
Nitrogen (N), % 0
0.12 to 0.2
Phosphorus (P), % 0 to 0.040
0 to 0.045
Silicon (Si), % 0 to 0.5
1.4 to 2.5
Sulfur (S), % 0 to 0.030
0 to 0.015
Tungsten (W), % 2.5 to 3.5
0