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AISI 418 Stainless Steel vs. EN 1.4876 Stainless Steel

Both AISI 418 stainless steel and EN 1.4876 stainless steel are iron alloys. They have 60% 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 1.4876 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 330
170
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 17
33
Fatigue Strength, MPa 520
150
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
77
Shear Strength, MPa 680
370
Tensile Strength: Ultimate (UTS), MPa 1100
570
Tensile Strength: Yield (Proof), MPa 850
190

Thermal Properties

Latent Heat of Fusion, J/g 270
300
Maximum Temperature: Corrosion, °C 390
490
Maximum Temperature: Mechanical, °C 770
1100
Melting Completion (Liquidus), °C 1500
1400
Melting Onset (Solidus), °C 1460
1350
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 25
12
Thermal Expansion, µm/m-K 10
14

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.8
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 3.1
1.9

Otherwise Unclassified Properties

Base Metal Price, % relative 15
30
Density, g/cm3 8.0
8.0
Embodied Carbon, kg CO2/kg material 2.9
5.3
Embodied Energy, MJ/kg 41
76
Embodied Water, L/kg 110
200

Common Calculations

PREN (Pitting Resistance) 19
21
Resilience: Ultimate (Unit Rupture Work), MJ/m3 170
140
Resilience: Unit (Modulus of Resilience), kJ/m3 1830
94
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 38
20
Strength to Weight: Bending, points 29
19
Thermal Diffusivity, mm2/s 6.7
3.2
Thermal Shock Resistance, points 40
14

Alloy Composition

Aluminum (Al), % 0
0.15 to 0.6
Carbon (C), % 0.15 to 0.2
0 to 0.12
Chromium (Cr), % 12 to 14
19 to 23
Iron (Fe), % 78.5 to 83.6
38.6 to 50.7
Manganese (Mn), % 0 to 0.5
0 to 2.0
Molybdenum (Mo), % 0 to 0.5
0
Nickel (Ni), % 1.8 to 2.2
30 to 34
Phosphorus (P), % 0 to 0.040
0 to 0.030
Silicon (Si), % 0 to 0.5
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.015
Titanium (Ti), % 0
0.15 to 0.6
Tungsten (W), % 2.5 to 3.5
0