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AISI 409 Stainless Steel vs. EN 1.4062 Stainless Steel

Both AISI 409 stainless steel and EN 1.4062 stainless steel are iron alloys. They have 86% of their average alloy composition in common.

For each property being compared, the top bar is AISI 409 stainless steel and the bottom bar is EN 1.4062 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 24
23 to 34
Fatigue Strength, MPa 140
410 to 420
Poisson's Ratio 0.28
0.27
Shear Modulus, GPa 75
79
Shear Strength, MPa 270
510
Tensile Strength: Ultimate (UTS), MPa 420
770 to 800
Tensile Strength: Yield (Proof), MPa 200
530 to 600

Thermal Properties

Latent Heat of Fusion, J/g 270
290
Maximum Temperature: Corrosion, °C 450
440
Maximum Temperature: Mechanical, °C 710
1030
Melting Completion (Liquidus), °C 1450
1430
Melting Onset (Solidus), °C 1400
1380
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 25
15
Thermal Expansion, µm/m-K 11
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
2.1
Electrical Conductivity: Equal Weight (Specific), % IACS 3.3
2.4

Otherwise Unclassified Properties

Base Metal Price, % relative 6.5
12
Density, g/cm3 7.7
7.7
Embodied Carbon, kg CO2/kg material 2.0
2.6
Embodied Energy, MJ/kg 28
37
Embodied Water, L/kg 94
150

Common Calculations

PREN (Pitting Resistance) 11
27
Resilience: Ultimate (Unit Rupture Work), MJ/m3 83
170 to 230
Resilience: Unit (Modulus of Resilience), kJ/m3 100
690 to 910
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 15
28 to 29
Strength to Weight: Bending, points 16
24 to 25
Thermal Diffusivity, mm2/s 6.7
4.0
Thermal Shock Resistance, points 15
21 to 22

Alloy Composition

Carbon (C), % 0 to 0.080
0 to 0.030
Chromium (Cr), % 10.5 to 11.7
21.5 to 24
Iron (Fe), % 84.9 to 89.5
69.3 to 77.3
Manganese (Mn), % 0 to 1.0
0 to 2.0
Molybdenum (Mo), % 0
0 to 0.45
Nickel (Ni), % 0 to 0.5
1.0 to 2.9
Nitrogen (N), % 0
0.16 to 0.28
Phosphorus (P), % 0 to 0.045
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.010
Titanium (Ti), % 0 to 0.75
0