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AISI 309HCb Stainless Steel vs. S32506 Stainless Steel

Both AISI 309HCb stainless steel and S32506 stainless steel are iron alloys. Both are furnished in the annealed condition. They have a moderately high 91% of their average alloy composition in common. There are 33 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is AISI 309HCb stainless steel and the bottom bar is S32506 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
270
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 46
21
Fatigue Strength, MPa 210
330
Poisson's Ratio 0.28
0.27
Shear Modulus, GPa 78
81
Shear Strength, MPa 410
440
Tensile Strength: Ultimate (UTS), MPa 590
710
Tensile Strength: Yield (Proof), MPa 230
500

Thermal Properties

Latent Heat of Fusion, J/g 300
300
Maximum Temperature: Corrosion, °C 510
450
Maximum Temperature: Mechanical, °C 1090
1100
Melting Completion (Liquidus), °C 1420
1450
Melting Onset (Solidus), °C 1380
1400
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 15
16
Thermal Expansion, µm/m-K 16
13

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 23
20
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 4.1
3.9
Embodied Energy, MJ/kg 59
54
Embodied Water, L/kg 170
180

Common Calculations

PREN (Pitting Resistance) 23
38
Resilience: Ultimate (Unit Rupture Work), MJ/m3 210
130
Resilience: Unit (Modulus of Resilience), kJ/m3 130
620
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 21
25
Strength to Weight: Bending, points 20
23
Thermal Diffusivity, mm2/s 4.0
4.3
Thermal Shock Resistance, points 13
19

Alloy Composition

Carbon (C), % 0.040 to 0.1
0 to 0.030
Chromium (Cr), % 22 to 24
24 to 26
Iron (Fe), % 56 to 66
60.8 to 67.4
Manganese (Mn), % 0 to 2.0
0 to 1.0
Molybdenum (Mo), % 0
3.0 to 3.5
Nickel (Ni), % 12 to 16
5.5 to 7.2
Niobium (Nb), % 0 to 1.1
0
Nitrogen (N), % 0
0.080 to 0.2
Phosphorus (P), % 0 to 0.045
0 to 0.040
Silicon (Si), % 0 to 0.75
0 to 0.9
Sulfur (S), % 0 to 0.030
0 to 0.015
Tungsten (W), % 0
0.050 to 0.3