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AISI 409Cb Stainless Steel vs. ASTM A182 Grade F5a

Both AISI 409Cb stainless steel and ASTM A182 grade F5a are iron alloys. They have a moderately high 93% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is AISI 409Cb stainless steel and the bottom bar is ASTM A182 grade F5a.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 24
25
Fatigue Strength, MPa 140
380
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 75
74
Shear Strength, MPa 270
450
Tensile Strength: Ultimate (UTS), MPa 420
710
Tensile Strength: Yield (Proof), MPa 200
520

Thermal Properties

Latent Heat of Fusion, J/g 270
260
Maximum Temperature: Mechanical, °C 710
510
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
40
Thermal Expansion, µm/m-K 10
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
8.2
Electrical Conductivity: Equal Weight (Specific), % IACS 3.3
9.4

Otherwise Unclassified Properties

Base Metal Price, % relative 8.5
4.5
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 2.2
1.8
Embodied Energy, MJ/kg 31
24
Embodied Water, L/kg 94
69

Common Calculations

PREN (Pitting Resistance) 11
6.8
Resilience: Ultimate (Unit Rupture Work), MJ/m3 83
160
Resilience: Unit (Modulus of Resilience), kJ/m3 100
700
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
11
Thermal Shock Resistance, points 15
20

Alloy Composition

Carbon (C), % 0 to 0.060
0 to 0.25
Chromium (Cr), % 10.5 to 11.7
4.0 to 6.0
Iron (Fe), % 84.9 to 89.5
91.4 to 95.6
Manganese (Mn), % 0 to 1.0
0 to 0.6
Molybdenum (Mo), % 0
0.44 to 0.65
Nickel (Ni), % 0 to 0.5
0 to 0.5
Niobium (Nb), % 0 to 0.75
0
Phosphorus (P), % 0 to 0.045
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 0.5
Sulfur (S), % 0 to 0.040
0 to 0.030