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AISI 409Cb Stainless Steel vs. EN 1.4912 Stainless Steel

Both AISI 409Cb stainless steel and EN 1.4912 stainless steel are iron alloys. They have 82% 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 1.4912 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
200
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 75
77
Shear Strength, MPa 270
420
Tensile Strength: Ultimate (UTS), MPa 420
610
Tensile Strength: Yield (Proof), MPa 200
230

Thermal Properties

Latent Heat of Fusion, J/g 270
290
Maximum Temperature: Corrosion, °C 440
520
Maximum Temperature: Mechanical, °C 710
940
Melting Completion (Liquidus), °C 1450
1430
Melting Onset (Solidus), °C 1410
1390
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 25
16
Thermal Expansion, µm/m-K 10
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 3.3
2.7

Otherwise Unclassified Properties

Base Metal Price, % relative 8.5
20
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 2.2
3.8
Embodied Energy, MJ/kg 31
55
Embodied Water, L/kg 94
140

Common Calculations

PREN (Pitting Resistance) 11
18
Resilience: Ultimate (Unit Rupture Work), MJ/m3 83
190
Resilience: Unit (Modulus of Resilience), kJ/m3 100
130
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 15
22
Strength to Weight: Bending, points 16
20
Thermal Diffusivity, mm2/s 6.7
4.2
Thermal Shock Resistance, points 15
14

Alloy Composition

Carbon (C), % 0 to 0.060
0.040 to 0.1
Chromium (Cr), % 10.5 to 11.7
17 to 19
Iron (Fe), % 84.9 to 89.5
64.6 to 73.6
Manganese (Mn), % 0 to 1.0
0 to 2.0
Nickel (Ni), % 0 to 0.5
9.0 to 12
Niobium (Nb), % 0 to 0.75
0.4 to 1.2
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 0.015