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AISI 409 Stainless Steel vs. EN 1.7233 Steel

Both AISI 409 stainless steel and EN 1.7233 steel are iron alloys. They have 89% 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 AISI 409 stainless steel and the bottom bar is EN 1.7233 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 24
18 to 23
Fatigue Strength, MPa 140
270 to 530
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 75
73
Shear Strength, MPa 270
450 to 590
Tensile Strength: Ultimate (UTS), MPa 420
700 to 960
Tensile Strength: Yield (Proof), MPa 200
380 to 780

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
39
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
3.0
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 2.0
1.6
Embodied Energy, MJ/kg 28
21
Embodied Water, L/kg 94
53

Common Calculations

PREN (Pitting Resistance) 11
3.3
Resilience: Ultimate (Unit Rupture Work), MJ/m3 83
110 to 200
Resilience: Unit (Modulus of Resilience), kJ/m3 100
380 to 1630
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 15
25 to 34
Strength to Weight: Bending, points 16
22 to 28
Thermal Diffusivity, mm2/s 6.7
11
Thermal Shock Resistance, points 15
21 to 28

Alloy Composition

Carbon (C), % 0 to 0.080
0.39 to 0.45
Chromium (Cr), % 10.5 to 11.7
1.2 to 1.5
Iron (Fe), % 84.9 to 89.5
96.2 to 97.5
Manganese (Mn), % 0 to 1.0
0.4 to 0.7
Molybdenum (Mo), % 0
0.5 to 0.7
Nickel (Ni), % 0 to 0.5
0
Phosphorus (P), % 0 to 0.045
0 to 0.025
Silicon (Si), % 0 to 1.0
0 to 0.4
Sulfur (S), % 0 to 0.030
0 to 0.035
Titanium (Ti), % 0 to 0.75
0