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AISI 309Cb Stainless Steel vs. AISI 310S Stainless Steel

Both AISI 309Cb stainless steel and AISI 310S stainless steel are iron alloys. 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 309Cb stainless steel and the bottom bar is AISI 310S stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
170 to 210
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 39
34 to 44
Fatigue Strength, MPa 200
250 to 280
Poisson's Ratio 0.28
0.27
Shear Modulus, GPa 78
79
Shear Strength, MPa 390
420 to 470
Tensile Strength: Ultimate (UTS), MPa 580
600 to 710
Tensile Strength: Yield (Proof), MPa 230
270 to 350

Thermal Properties

Latent Heat of Fusion, J/g 300
310
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
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
2.0
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
2.3

Otherwise Unclassified Properties

Base Metal Price, % relative 23
25
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 4.1
4.3
Embodied Energy, MJ/kg 59
61
Embodied Water, L/kg 170
190

Common Calculations

PREN (Pitting Resistance) 23
25
Resilience: Ultimate (Unit Rupture Work), MJ/m3 180
200 to 220
Resilience: Unit (Modulus of Resilience), kJ/m3 140
190 to 310
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 20
21 to 25
Strength to Weight: Bending, points 20
20 to 22
Thermal Diffusivity, mm2/s 4.0
4.1
Thermal Shock Resistance, points 13
14 to 16

Alloy Composition

Carbon (C), % 0 to 0.080
0 to 0.080
Chromium (Cr), % 22 to 24
24 to 26
Iron (Fe), % 56 to 66
48.3 to 57
Manganese (Mn), % 0 to 2.0
0 to 2.0
Nickel (Ni), % 12 to 16
19 to 22
Niobium (Nb), % 0 to 1.1
0
Phosphorus (P), % 0 to 0.045
0 to 0.045
Silicon (Si), % 0 to 0.75
0 to 1.5
Sulfur (S), % 0 to 0.030
0 to 0.030