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AISI 409Cb Stainless Steel vs. SAE-AISI 1019 Steel

Both AISI 409Cb stainless steel and SAE-AISI 1019 steel are iron alloys. They have 88% of their average alloy composition in common. There are 30 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 409Cb stainless steel and the bottom bar is SAE-AISI 1019 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 24
17 to 29
Fatigue Strength, MPa 140
190 to 290
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 75
73
Shear Strength, MPa 270
300 to 320
Tensile Strength: Ultimate (UTS), MPa 420
470 to 520
Tensile Strength: Yield (Proof), MPa 200
250 to 430

Thermal Properties

Latent Heat of Fusion, J/g 270
250
Maximum Temperature: Mechanical, °C 710
400
Melting Completion (Liquidus), °C 1450
1460
Melting Onset (Solidus), °C 1410
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 25
52
Thermal Expansion, µm/m-K 10
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
7.0
Electrical Conductivity: Equal Weight (Specific), % IACS 3.3
8.0

Otherwise Unclassified Properties

Base Metal Price, % relative 8.5
1.8
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 2.2
1.4
Embodied Energy, MJ/kg 31
18
Embodied Water, L/kg 94
46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 83
82 to 110
Resilience: Unit (Modulus of Resilience), kJ/m3 100
160 to 500
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 15
17 to 18
Strength to Weight: Bending, points 16
17 to 18
Thermal Diffusivity, mm2/s 6.7
14
Thermal Shock Resistance, points 15
15 to 16

Alloy Composition

Carbon (C), % 0 to 0.060
0.15 to 0.2
Chromium (Cr), % 10.5 to 11.7
0
Iron (Fe), % 84.9 to 89.5
98.7 to 99.15
Manganese (Mn), % 0 to 1.0
0.7 to 1.0
Nickel (Ni), % 0 to 0.5
0
Niobium (Nb), % 0 to 0.75
0
Phosphorus (P), % 0 to 0.045
0 to 0.040
Silicon (Si), % 0 to 1.0
0
Sulfur (S), % 0 to 0.040
0 to 0.050