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AISI 409Cb Stainless Steel vs. EN 1.4020 Stainless Steel

Both AISI 409Cb stainless steel and EN 1.4020 stainless steel are iron alloys. They have 80% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (5, 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 1.4020 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 24
13 to 34
Fatigue Strength, MPa 140
340 to 540
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 75
77
Shear Strength, MPa 270
510 to 680
Tensile Strength: Ultimate (UTS), MPa 420
770 to 1130
Tensile Strength: Yield (Proof), MPa 200
430 to 950

Thermal Properties

Latent Heat of Fusion, J/g 270
280
Maximum Temperature: Corrosion, °C 440
410
Maximum Temperature: Mechanical, °C 710
890
Melting Completion (Liquidus), °C 1450
1390
Melting Onset (Solidus), °C 1410
1350
Specific Heat Capacity, J/kg-K 480
480
Thermal Expansion, µm/m-K 10
17

Otherwise Unclassified Properties

Base Metal Price, % relative 8.5
11
Density, g/cm3 7.8
7.6
Embodied Carbon, kg CO2/kg material 2.2
2.5
Embodied Energy, MJ/kg 31
37
Embodied Water, L/kg 94
150

Common Calculations

PREN (Pitting Resistance) 11
23
Resilience: Ultimate (Unit Rupture Work), MJ/m3 83
140 to 220
Resilience: Unit (Modulus of Resilience), kJ/m3 100
460 to 2290
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 15
28 to 41
Strength to Weight: Bending, points 16
25 to 32
Thermal Shock Resistance, points 15
16 to 23

Alloy Composition

Carbon (C), % 0 to 0.060
0 to 0.15
Chromium (Cr), % 10.5 to 11.7
16.5 to 19
Iron (Fe), % 84.9 to 89.5
62.8 to 71.8
Manganese (Mn), % 0 to 1.0
11 to 14
Nickel (Ni), % 0 to 0.5
0.5 to 2.5
Niobium (Nb), % 0 to 0.75
0
Nitrogen (N), % 0
0.2 to 0.45
Phosphorus (P), % 0 to 0.045
0 to 0.045
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.040
0 to 0.030