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AISI 409 Stainless Steel vs. ASTM A182 Grade F11 Class 2

Both AISI 409 stainless steel and ASTM A182 grade F11 class 2 are iron alloys. Both are furnished in the annealed condition. They have 90% 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 409 stainless steel and the bottom bar is ASTM A182 grade F11 class 2.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 24
22
Fatigue Strength, MPa 140
220
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 75
73
Shear Strength, MPa 270
340
Tensile Strength: Ultimate (UTS), MPa 420
540
Tensile Strength: Yield (Proof), MPa 200
310

Thermal Properties

Latent Heat of Fusion, J/g 270
260
Maximum Temperature: Mechanical, °C 710
430
Melting Completion (Liquidus), °C 1450
1460
Melting Onset (Solidus), °C 1400
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 25
39
Thermal Expansion, µm/m-K 11
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
7.4
Electrical Conductivity: Equal Weight (Specific), % IACS 3.3
8.6

Otherwise Unclassified Properties

Base Metal Price, % relative 6.5
2.9
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 2.0
1.6
Embodied Energy, MJ/kg 28
21
Embodied Water, L/kg 94
53

Common Calculations

PREN (Pitting Resistance) 11
3.0
Resilience: Ultimate (Unit Rupture Work), MJ/m3 83
100
Resilience: Unit (Modulus of Resilience), kJ/m3 100
260
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 15
19
Strength to Weight: Bending, points 16
19
Thermal Diffusivity, mm2/s 6.7
11
Thermal Shock Resistance, points 15
16

Alloy Composition

Carbon (C), % 0 to 0.080
0.1 to 0.2
Chromium (Cr), % 10.5 to 11.7
1.0 to 1.5
Iron (Fe), % 84.9 to 89.5
95.8 to 97.7
Manganese (Mn), % 0 to 1.0
0.3 to 0.8
Molybdenum (Mo), % 0
0.44 to 0.65
Nickel (Ni), % 0 to 0.5
0
Phosphorus (P), % 0 to 0.045
0 to 0.040
Silicon (Si), % 0 to 1.0
0.5 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.040
Titanium (Ti), % 0 to 0.75
0