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EN 1.4807 Stainless Steel vs. AISI 409 Stainless Steel

Both EN 1.4807 stainless steel and AISI 409 stainless steel are iron alloys. They have 54% of their average alloy composition in common. There are 31 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 1.4807 stainless steel and the bottom bar is AISI 409 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 4.5
24
Fatigue Strength, MPa 120
140
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 75
75
Tensile Strength: Ultimate (UTS), MPa 480
420
Tensile Strength: Yield (Proof), MPa 250
200

Thermal Properties

Latent Heat of Fusion, J/g 320
270
Maximum Temperature: Corrosion, °C 600
450
Maximum Temperature: Mechanical, °C 1000
710
Melting Completion (Liquidus), °C 1390
1450
Melting Onset (Solidus), °C 1350
1400
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 12
25
Thermal Expansion, µm/m-K 15
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.7
2.9
Electrical Conductivity: Equal Weight (Specific), % IACS 1.9
3.3

Otherwise Unclassified Properties

Base Metal Price, % relative 39
6.5
Density, g/cm3 8.0
7.7
Embodied Carbon, kg CO2/kg material 6.8
2.0
Embodied Energy, MJ/kg 97
28
Embodied Water, L/kg 190
94

Common Calculations

PREN (Pitting Resistance) 19
11
Resilience: Ultimate (Unit Rupture Work), MJ/m3 18
83
Resilience: Unit (Modulus of Resilience), kJ/m3 160
100
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 17
15
Strength to Weight: Bending, points 17
16
Thermal Diffusivity, mm2/s 3.2
6.7
Thermal Shock Resistance, points 12
15

Alloy Composition

Carbon (C), % 0.3 to 0.5
0 to 0.080
Chromium (Cr), % 17 to 20
10.5 to 11.7
Iron (Fe), % 36.6 to 46.7
84.9 to 89.5
Manganese (Mn), % 0 to 2.0
0 to 1.0
Molybdenum (Mo), % 0 to 0.5
0
Nickel (Ni), % 34 to 36
0 to 0.5
Niobium (Nb), % 1.0 to 1.8
0
Phosphorus (P), % 0 to 0.040
0 to 0.045
Silicon (Si), % 1.0 to 2.5
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.030
Titanium (Ti), % 0
0 to 0.75