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AISI 410S Stainless Steel vs. AISI 309HCb Stainless Steel

Both AISI 410S stainless steel and AISI 309HCb stainless steel are iron alloys. Both are furnished in the annealed condition. They have 75% of their average alloy composition in common. There are 34 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is AISI 410S stainless steel and the bottom bar is AISI 309HCb stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 160
190
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 25
46
Fatigue Strength, MPa 180
210
Poisson's Ratio 0.28
0.28
Rockwell B Hardness 78
82
Shear Modulus, GPa 76
78
Shear Strength, MPa 310
410
Tensile Strength: Ultimate (UTS), MPa 480
590
Tensile Strength: Yield (Proof), MPa 250
230

Thermal Properties

Latent Heat of Fusion, J/g 270
300
Maximum Temperature: Corrosion, °C 390
510
Maximum Temperature: Mechanical, °C 740
1090
Melting Completion (Liquidus), °C 1440
1420
Melting Onset (Solidus), °C 1400
1380
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 30
15
Thermal Expansion, µm/m-K 11
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 3.3
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 7.0
23
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 1.9
4.1
Embodied Energy, MJ/kg 27
59
Embodied Water, L/kg 100
170

Common Calculations

PREN (Pitting Resistance) 13
23
Resilience: Ultimate (Unit Rupture Work), MJ/m3 100
210
Resilience: Unit (Modulus of Resilience), kJ/m3 170
130
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 17
21
Strength to Weight: Bending, points 18
20
Thermal Diffusivity, mm2/s 8.1
4.0
Thermal Shock Resistance, points 17
13

Alloy Composition

Carbon (C), % 0 to 0.080
0.040 to 0.1
Chromium (Cr), % 11.5 to 13.5
22 to 24
Iron (Fe), % 83.8 to 88.5
56 to 66
Manganese (Mn), % 0 to 1.0
0 to 2.0
Nickel (Ni), % 0 to 0.6
12 to 16
Niobium (Nb), % 0
0 to 1.1
Phosphorus (P), % 0 to 0.040
0 to 0.045
Silicon (Si), % 0 to 1.0
0 to 0.75
Sulfur (S), % 0 to 0.030
0 to 0.030