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EN 1.4410 Stainless Steel vs. AISI 418 Stainless Steel

Both EN 1.4410 stainless steel and AISI 418 stainless steel are iron alloys. They have 78% of their average alloy composition in common. There are 33 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 EN 1.4410 stainless steel and the bottom bar is AISI 418 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 260
330
Elastic (Young's, Tensile) Modulus, GPa 210
200
Elongation at Break, % 24
17
Fatigue Strength, MPa 410
520
Poisson's Ratio 0.27
0.28
Shear Modulus, GPa 81
77
Shear Strength, MPa 540
680
Tensile Strength: Ultimate (UTS), MPa 850
1100
Tensile Strength: Yield (Proof), MPa 600
850

Thermal Properties

Latent Heat of Fusion, J/g 300
270
Maximum Temperature: Corrosion, °C 450
390
Maximum Temperature: Mechanical, °C 1100
770
Melting Completion (Liquidus), °C 1450
1500
Melting Onset (Solidus), °C 1400
1460
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 15
25
Thermal Expansion, µm/m-K 13
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
2.8
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
3.1

Otherwise Unclassified Properties

Base Metal Price, % relative 20
15
Density, g/cm3 7.8
8.0
Embodied Carbon, kg CO2/kg material 4.0
2.9
Embodied Energy, MJ/kg 56
41
Embodied Water, L/kg 180
110

Common Calculations

PREN (Pitting Resistance) 42
19
Resilience: Ultimate (Unit Rupture Work), MJ/m3 180
170
Resilience: Unit (Modulus of Resilience), kJ/m3 880
1830
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 30
38
Strength to Weight: Bending, points 26
29
Thermal Diffusivity, mm2/s 4.0
6.7
Thermal Shock Resistance, points 23
40

Alloy Composition

Carbon (C), % 0 to 0.030
0.15 to 0.2
Chromium (Cr), % 24 to 26
12 to 14
Iron (Fe), % 58.1 to 66.8
78.5 to 83.6
Manganese (Mn), % 0 to 2.0
0 to 0.5
Molybdenum (Mo), % 3.0 to 4.5
0 to 0.5
Nickel (Ni), % 6.0 to 8.0
1.8 to 2.2
Nitrogen (N), % 0.24 to 0.35
0
Phosphorus (P), % 0 to 0.035
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 0.5
Sulfur (S), % 0 to 0.015
0 to 0.030
Tungsten (W), % 0
2.5 to 3.5