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EN 1.4740 Stainless Steel vs. N08811 Stainless Steel

Both EN 1.4740 stainless steel and N08811 stainless steel are iron alloys. Both are furnished in the annealed condition. They have 64% of their average alloy composition in common. There are 23 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.

For each property being compared, the top bar is EN 1.4740 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, % 22
33
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
77

Thermal Properties

Latent Heat of Fusion, J/g 300
300
Maximum Temperature: Corrosion, °C 410
490
Maximum Temperature: Mechanical, °C 900
1100
Melting Completion (Liquidus), °C 1420
1390
Melting Onset (Solidus), °C 1370
1360
Specific Heat Capacity, J/kg-K 490
480
Thermal Conductivity, W/m-K 18
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 2.6
2.0

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
30
Density, g/cm3 7.6
8.0
Embodied Carbon, kg CO2/kg material 2.3
5.3
Embodied Energy, MJ/kg 32
76
Embodied Water, L/kg 120
200

Common Calculations

PREN (Pitting Resistance) 18
21
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Thermal Diffusivity, mm2/s 4.8
3.0

Alloy Composition

Aluminum (Al), % 0
0.15 to 0.6
Carbon (C), % 0.3 to 0.5
0.060 to 0.1
Chromium (Cr), % 16 to 19
19 to 23
Copper (Cu), % 0
0 to 0.75
Iron (Fe), % 75.4 to 82.7
39.5 to 50.6
Manganese (Mn), % 0 to 1.0
0 to 1.5
Molybdenum (Mo), % 0 to 0.5
0
Nickel (Ni), % 0 to 1.0
30 to 35
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 1.0 to 2.5
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.015
Titanium (Ti), % 0
0.15 to 0.6