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EN 1.4418 Stainless Steel vs. N08811 Stainless Steel

Both EN 1.4418 stainless steel and N08811 stainless steel are iron alloys. They have 67% 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 EN 1.4418 stainless steel and the bottom bar is N08811 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 16 to 20
33
Fatigue Strength, MPa 350 to 480
150
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
77
Shear Strength, MPa 530 to 620
340
Tensile Strength: Ultimate (UTS), MPa 860 to 1000
510
Tensile Strength: Yield (Proof), MPa 540 to 790
190

Thermal Properties

Latent Heat of Fusion, J/g 280
300
Maximum Temperature: Corrosion, °C 410
490
Maximum Temperature: Mechanical, °C 870
1100
Melting Completion (Liquidus), °C 1450
1390
Melting Onset (Solidus), °C 1400
1360
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 15
12
Thermal Expansion, µm/m-K 10
14

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
2.0

Otherwise Unclassified Properties

Base Metal Price, % relative 13
30
Density, g/cm3 7.8
8.0
Embodied Carbon, kg CO2/kg material 2.8
5.3
Embodied Energy, MJ/kg 39
76
Embodied Water, L/kg 130
200

Common Calculations

PREN (Pitting Resistance) 20
21
Resilience: Ultimate (Unit Rupture Work), MJ/m3 130 to 170
130
Resilience: Unit (Modulus of Resilience), kJ/m3 730 to 1590
94
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 31 to 36
18
Strength to Weight: Bending, points 26 to 28
18
Thermal Diffusivity, mm2/s 4.0
3.0
Thermal Shock Resistance, points 31 to 36
13

Alloy Composition

Aluminum (Al), % 0
0.15 to 0.6
Carbon (C), % 0 to 0.060
0.060 to 0.1
Chromium (Cr), % 15 to 17
19 to 23
Copper (Cu), % 0
0 to 0.75
Iron (Fe), % 73.2 to 80.2
39.5 to 50.6
Manganese (Mn), % 0 to 1.5
0 to 1.5
Molybdenum (Mo), % 0.8 to 1.5
0
Nickel (Ni), % 4.0 to 6.0
30 to 35
Nitrogen (N), % 0 to 0.020
0
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 0.7
0 to 1.0
Sulfur (S), % 0 to 0.015
0 to 0.015
Titanium (Ti), % 0
0.15 to 0.6