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AISI 409Cb Stainless Steel vs. EN 1.4547 Stainless Steel

Both AISI 409Cb stainless steel and EN 1.4547 stainless steel are iron alloys. They have 66% of their average alloy composition in common. There are 32 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 409Cb stainless steel and the bottom bar is EN 1.4547 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 24
39
Fatigue Strength, MPa 140
290
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 75
80
Shear Strength, MPa 270
510
Tensile Strength: Ultimate (UTS), MPa 420
750
Tensile Strength: Yield (Proof), MPa 200
340

Thermal Properties

Latent Heat of Fusion, J/g 270
300
Maximum Temperature: Corrosion, °C 440
420
Maximum Temperature: Mechanical, °C 710
1090
Melting Completion (Liquidus), °C 1450
1470
Melting Onset (Solidus), °C 1410
1420
Specific Heat Capacity, J/kg-K 480
460
Thermal Conductivity, W/m-K 25
14
Thermal Expansion, µm/m-K 10
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
2.0
Electrical Conductivity: Equal Weight (Specific), % IACS 3.3
2.3

Otherwise Unclassified Properties

Base Metal Price, % relative 8.5
28
Density, g/cm3 7.8
8.0
Embodied Carbon, kg CO2/kg material 2.2
5.6
Embodied Energy, MJ/kg 31
75
Embodied Water, L/kg 94
190

Common Calculations

PREN (Pitting Resistance) 11
45
Resilience: Ultimate (Unit Rupture Work), MJ/m3 83
240
Resilience: Unit (Modulus of Resilience), kJ/m3 100
290
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 15
26
Strength to Weight: Bending, points 16
23
Thermal Diffusivity, mm2/s 6.7
3.8
Thermal Shock Resistance, points 15
16

Alloy Composition

Carbon (C), % 0 to 0.060
0 to 0.020
Chromium (Cr), % 10.5 to 11.7
19.5 to 20.5
Copper (Cu), % 0
0.5 to 1.0
Iron (Fe), % 84.9 to 89.5
51 to 56.3
Manganese (Mn), % 0 to 1.0
0 to 1.0
Molybdenum (Mo), % 0
6.0 to 7.0
Nickel (Ni), % 0 to 0.5
17.5 to 18.5
Niobium (Nb), % 0 to 0.75
0
Nitrogen (N), % 0
0.18 to 0.25
Phosphorus (P), % 0 to 0.045
0 to 0.030
Silicon (Si), % 0 to 1.0
0 to 0.7
Sulfur (S), % 0 to 0.040
0 to 0.010