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AISI 409Cb Stainless Steel vs. ASTM A182 Grade F12 Class 1

Both AISI 409Cb stainless steel and ASTM A182 grade F12 class 1 are iron alloys. Both are furnished in the annealed condition. They have 89% 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 F12 class 1.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 24
23
Fatigue Strength, MPa 140
180
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 75
73
Shear Strength, MPa 270
300
Tensile Strength: Ultimate (UTS), MPa 420
470
Tensile Strength: Yield (Proof), MPa 200
250

Thermal Properties

Latent Heat of Fusion, J/g 270
250
Maximum Temperature: Mechanical, °C 710
430
Melting Completion (Liquidus), °C 1450
1470
Melting Onset (Solidus), °C 1410
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 25
45
Thermal Expansion, µm/m-K 10
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 3.3
8.3

Otherwise Unclassified Properties

Base Metal Price, % relative 8.5
2.8
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 2.2
1.6
Embodied Energy, MJ/kg 31
21
Embodied Water, L/kg 94
52

Common Calculations

PREN (Pitting Resistance) 11
2.8
Resilience: Ultimate (Unit Rupture Work), MJ/m3 83
91
Resilience: Unit (Modulus of Resilience), kJ/m3 100
160
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 15
17
Strength to Weight: Bending, points 16
17
Thermal Diffusivity, mm2/s 6.7
12
Thermal Shock Resistance, points 15
14

Alloy Composition

Carbon (C), % 0 to 0.060
0.050 to 0.15
Chromium (Cr), % 10.5 to 11.7
0.8 to 1.3
Iron (Fe), % 84.9 to 89.5
96.8 to 98.4
Manganese (Mn), % 0 to 1.0
0.3 to 0.6
Molybdenum (Mo), % 0
0.44 to 0.65
Nickel (Ni), % 0 to 0.5
0
Niobium (Nb), % 0 to 0.75
0
Phosphorus (P), % 0 to 0.045
0 to 0.045
Silicon (Si), % 0 to 1.0
0 to 0.5
Sulfur (S), % 0 to 0.040
0 to 0.045