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AISI 409 Stainless Steel vs. EN 1.4612 Stainless Steel

Both AISI 409 stainless steel and EN 1.4612 stainless steel are iron alloys. They have 85% of their average alloy composition in common. There are 27 material properties with values for both materials. Properties with values for just one material (6, 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 1.4612 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 24
11
Fatigue Strength, MPa 140
860 to 950
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 75
76
Shear Strength, MPa 270
1010 to 1110
Tensile Strength: Ultimate (UTS), MPa 420
1690 to 1850
Tensile Strength: Yield (Proof), MPa 200
1570 to 1730

Thermal Properties

Latent Heat of Fusion, J/g 270
280
Maximum Temperature: Corrosion, °C 450
450
Maximum Temperature: Mechanical, °C 710
790
Melting Completion (Liquidus), °C 1450
1450
Melting Onset (Solidus), °C 1400
1400
Specific Heat Capacity, J/kg-K 480
480
Thermal Expansion, µm/m-K 11
11

Otherwise Unclassified Properties

Base Metal Price, % relative 6.5
16
Density, g/cm3 7.7
7.9
Embodied Carbon, kg CO2/kg material 2.0
3.6
Embodied Energy, MJ/kg 28
50
Embodied Water, L/kg 94
140

Common Calculations

PREN (Pitting Resistance) 11
19
Resilience: Ultimate (Unit Rupture Work), MJ/m3 83
190 to 210
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 15
60 to 65
Strength to Weight: Bending, points 16
40 to 43
Thermal Shock Resistance, points 15
58 to 63

Alloy Composition

Aluminum (Al), % 0
1.4 to 1.8
Carbon (C), % 0 to 0.080
0 to 0.015
Chromium (Cr), % 10.5 to 11.7
11 to 12.5
Iron (Fe), % 84.9 to 89.5
71.5 to 75.5
Manganese (Mn), % 0 to 1.0
0 to 0.1
Molybdenum (Mo), % 0
1.8 to 2.3
Nickel (Ni), % 0 to 0.5
10.2 to 11.3
Nitrogen (N), % 0
0 to 0.010
Phosphorus (P), % 0 to 0.045
0 to 0.010
Silicon (Si), % 0 to 1.0
0 to 0.1
Sulfur (S), % 0 to 0.030
0 to 0.0050
Titanium (Ti), % 0 to 0.75
0.2 to 0.5