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S44626 Stainless Steel vs. AISI 309Cb Stainless Steel

Both S44626 stainless steel and AISI 309Cb stainless steel are iron alloys. Both are furnished in the annealed condition. They have 85% 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 S44626 stainless steel and the bottom bar is AISI 309Cb stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
190
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 23
39
Fatigue Strength, MPa 230
200
Poisson's Ratio 0.27
0.28
Rockwell B Hardness 83
84
Shear Modulus, GPa 80
78
Shear Strength, MPa 340
390
Tensile Strength: Ultimate (UTS), MPa 540
580
Tensile Strength: Yield (Proof), MPa 350
230

Thermal Properties

Latent Heat of Fusion, J/g 300
300
Maximum Temperature: Corrosion, °C 560
510
Maximum Temperature: Mechanical, °C 1100
1090
Melting Completion (Liquidus), °C 1440
1420
Melting Onset (Solidus), °C 1390
1380
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 17
15
Thermal Expansion, µm/m-K 11
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.3
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 14
23
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 2.9
4.1
Embodied Energy, MJ/kg 42
59
Embodied Water, L/kg 160
170

Common Calculations

PREN (Pitting Resistance) 30
23
Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
180
Resilience: Unit (Modulus of Resilience), kJ/m3 300
140
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 26
25
Strength to Weight: Axial, points 19
20
Strength to Weight: Bending, points 19
20
Thermal Diffusivity, mm2/s 4.6
4.0
Thermal Shock Resistance, points 18
13

Alloy Composition

Carbon (C), % 0 to 0.060
0 to 0.080
Chromium (Cr), % 25 to 27
22 to 24
Copper (Cu), % 0 to 0.2
0
Iron (Fe), % 68.1 to 74.1
56 to 66
Manganese (Mn), % 0 to 0.75
0 to 2.0
Molybdenum (Mo), % 0.75 to 1.5
0
Nickel (Ni), % 0 to 0.5
12 to 16
Niobium (Nb), % 0
0 to 1.1
Nitrogen (N), % 0 to 0.040
0
Phosphorus (P), % 0 to 0.040
0 to 0.045
Silicon (Si), % 0 to 0.75
0 to 0.75
Sulfur (S), % 0 to 0.020
0 to 0.030
Titanium (Ti), % 0.2 to 1.0
0