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AISI 418 Stainless Steel vs. EN 1.4516 Stainless Steel

Both AISI 418 stainless steel and EN 1.4516 stainless steel are iron alloys. They have a moderately high 94% of their average alloy composition in common. There are 32 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 AISI 418 stainless steel and the bottom bar is EN 1.4516 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 17
23
Fatigue Strength, MPa 520
210
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
76
Shear Strength, MPa 680
350
Tensile Strength: Ultimate (UTS), MPa 1100
550
Tensile Strength: Yield (Proof), MPa 850
320

Thermal Properties

Latent Heat of Fusion, J/g 270
270
Maximum Temperature: Corrosion, °C 390
420
Maximum Temperature: Mechanical, °C 770
720
Melting Completion (Liquidus), °C 1500
1450
Melting Onset (Solidus), °C 1460
1400
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 25
30
Thermal Expansion, µm/m-K 10
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.8
2.9
Electrical Conductivity: Equal Weight (Specific), % IACS 3.1
3.3

Otherwise Unclassified Properties

Base Metal Price, % relative 15
7.0
Density, g/cm3 8.0
7.8
Embodied Carbon, kg CO2/kg material 2.9
2.0
Embodied Energy, MJ/kg 41
28
Embodied Water, L/kg 110
97

Common Calculations

PREN (Pitting Resistance) 19
12
Resilience: Ultimate (Unit Rupture Work), MJ/m3 170
110
Resilience: Unit (Modulus of Resilience), kJ/m3 1830
260
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 38
20
Strength to Weight: Bending, points 29
19
Thermal Diffusivity, mm2/s 6.7
8.1
Thermal Shock Resistance, points 40
20

Alloy Composition

Carbon (C), % 0.15 to 0.2
0 to 0.080
Chromium (Cr), % 12 to 14
10.5 to 12.5
Iron (Fe), % 78.5 to 83.6
83.3 to 89
Manganese (Mn), % 0 to 0.5
0 to 1.5
Molybdenum (Mo), % 0 to 0.5
0
Nickel (Ni), % 1.8 to 2.2
0.5 to 1.5
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 0.5
0 to 0.7
Sulfur (S), % 0 to 0.030
0 to 0.015
Titanium (Ti), % 0
0.050 to 0.35
Tungsten (W), % 2.5 to 3.5
0