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AISI 409 Stainless Steel vs. EN 1.4874 Stainless Steel

Both AISI 409 stainless steel and EN 1.4874 stainless steel are iron alloys. They have 43% of their average alloy composition in common. There are 29 material properties with values for both materials. Properties with values for just one material (4, 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 1.4874 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
210
Elongation at Break, % 24
6.7
Fatigue Strength, MPa 140
180
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 75
80
Tensile Strength: Ultimate (UTS), MPa 420
480
Tensile Strength: Yield (Proof), MPa 200
360

Thermal Properties

Latent Heat of Fusion, J/g 270
300
Maximum Temperature: Corrosion, °C 450
560
Maximum Temperature: Mechanical, °C 710
1150
Melting Completion (Liquidus), °C 1450
1450
Melting Onset (Solidus), °C 1400
1400
Specific Heat Capacity, J/kg-K 480
450
Thermal Conductivity, W/m-K 25
13
Thermal Expansion, µm/m-K 11
15

Otherwise Unclassified Properties

Base Metal Price, % relative 6.5
70
Density, g/cm3 7.7
8.4
Embodied Carbon, kg CO2/kg material 2.0
7.6
Embodied Energy, MJ/kg 28
110
Embodied Water, L/kg 94
290

Common Calculations

PREN (Pitting Resistance) 11
34
Resilience: Ultimate (Unit Rupture Work), MJ/m3 83
29
Resilience: Unit (Modulus of Resilience), kJ/m3 100
310
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 15
16
Strength to Weight: Bending, points 16
16
Thermal Diffusivity, mm2/s 6.7
3.3
Thermal Shock Resistance, points 15
11

Alloy Composition

Carbon (C), % 0 to 0.080
0.35 to 0.65
Chromium (Cr), % 10.5 to 11.7
19 to 22
Cobalt (Co), % 0
18.5 to 22
Iron (Fe), % 84.9 to 89.5
23 to 38.9
Manganese (Mn), % 0 to 1.0
0 to 2.0
Molybdenum (Mo), % 0
2.5 to 3.0
Nickel (Ni), % 0 to 0.5
18 to 22
Niobium (Nb), % 0
0.75 to 1.3
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 0.030
Titanium (Ti), % 0 to 0.75
0
Tungsten (W), % 0
2.0 to 3.0