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AISI 409Cb Stainless Steel vs. EN 1.4818 Stainless Steel

Both AISI 409Cb stainless steel and EN 1.4818 stainless steel are iron alloys. They have 81% of their average alloy composition in common. There are 32 material properties with values for both materials. Properties with values for just one material (1, 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 1.4818 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 24
40
Fatigue Strength, MPa 140
280
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 75
77
Shear Strength, MPa 270
480
Tensile Strength: Ultimate (UTS), MPa 420
700
Tensile Strength: Yield (Proof), MPa 200
330

Thermal Properties

Latent Heat of Fusion, J/g 270
300
Maximum Temperature: Corrosion, °C 440
420
Maximum Temperature: Mechanical, °C 710
1050
Melting Completion (Liquidus), °C 1450
1410
Melting Onset (Solidus), °C 1410
1370
Specific Heat Capacity, J/kg-K 480
490
Thermal Conductivity, W/m-K 25
17
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
2.4

Otherwise Unclassified Properties

Base Metal Price, % relative 8.5
16
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 2.2
3.1
Embodied Energy, MJ/kg 31
44
Embodied Water, L/kg 94
150

Common Calculations

PREN (Pitting Resistance) 11
22
Resilience: Ultimate (Unit Rupture Work), MJ/m3 83
230
Resilience: Unit (Modulus of Resilience), kJ/m3 100
270
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 15
25
Strength to Weight: Bending, points 16
23
Thermal Diffusivity, mm2/s 6.7
4.5
Thermal Shock Resistance, points 15
15

Alloy Composition

Carbon (C), % 0 to 0.060
0.040 to 0.080
Cerium (Ce), % 0
0.030 to 0.080
Chromium (Cr), % 10.5 to 11.7
18 to 20
Iron (Fe), % 84.9 to 89.5
65.6 to 71.8
Manganese (Mn), % 0 to 1.0
0 to 1.0
Nickel (Ni), % 0 to 0.5
9.0 to 11
Niobium (Nb), % 0 to 0.75
0
Nitrogen (N), % 0
0.12 to 0.2
Phosphorus (P), % 0 to 0.045
0 to 0.045
Silicon (Si), % 0 to 1.0
1.0 to 2.0
Sulfur (S), % 0 to 0.040
0 to 0.015