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AISI 409 Stainless Steel vs. EN 1.5805 Steel

Both AISI 409 stainless steel and EN 1.5805 steel are iron alloys. They have 89% of their average alloy composition in common. There are 24 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is AISI 409 stainless steel and the bottom bar is EN 1.5805 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 75
73
Tensile Strength: Ultimate (UTS), MPa 420
460 to 1180

Thermal Properties

Latent Heat of Fusion, J/g 270
250
Maximum Temperature: Mechanical, °C 710
430
Melting Completion (Liquidus), °C 1450
1460
Melting Onset (Solidus), °C 1400
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 25
40
Thermal Expansion, µm/m-K 11
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
7.4
Electrical Conductivity: Equal Weight (Specific), % IACS 3.3
8.5

Otherwise Unclassified Properties

Base Metal Price, % relative 6.5
3.1
Density, g/cm3 7.7
7.9
Embodied Carbon, kg CO2/kg material 2.0
1.6
Embodied Energy, MJ/kg 28
21
Embodied Water, L/kg 94
53

Common Calculations

Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 15
16 to 42
Strength to Weight: Bending, points 16
17 to 32
Thermal Diffusivity, mm2/s 6.7
11
Thermal Shock Resistance, points 15
13 to 35

Alloy Composition

Carbon (C), % 0 to 0.080
0.070 to 0.12
Chromium (Cr), % 10.5 to 11.7
0.9 to 1.2
Copper (Cu), % 0
0 to 0.25
Iron (Fe), % 84.9 to 89.5
95.7 to 97.2
Manganese (Mn), % 0 to 1.0
0.6 to 0.9
Nickel (Ni), % 0 to 0.5
1.2 to 1.5
Phosphorus (P), % 0 to 0.045
0 to 0.025
Silicon (Si), % 0 to 1.0
0 to 0.3
Sulfur (S), % 0 to 0.030
0 to 0.025
Titanium (Ti), % 0 to 0.75
0