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AISI 309Cb Stainless Steel vs. S44536 Stainless Steel

Both AISI 309Cb stainless steel and S44536 stainless steel are iron alloys. Both are furnished in the annealed condition. They have 84% 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 309Cb stainless steel and the bottom bar is S44536 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
170
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 39
22
Fatigue Strength, MPa 200
190
Poisson's Ratio 0.28
0.27
Rockwell B Hardness 84
79
Shear Modulus, GPa 78
78
Shear Strength, MPa 390
290
Tensile Strength: Ultimate (UTS), MPa 580
460
Tensile Strength: Yield (Proof), MPa 230
280

Thermal Properties

Latent Heat of Fusion, J/g 300
290
Maximum Temperature: Corrosion, °C 510
560
Maximum Temperature: Mechanical, °C 1090
990
Melting Completion (Liquidus), °C 1420
1440
Melting Onset (Solidus), °C 1380
1390
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 15
21
Thermal Expansion, µm/m-K 16
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
2.6
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
3.0

Otherwise Unclassified Properties

Base Metal Price, % relative 23
13
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 4.1
2.8
Embodied Energy, MJ/kg 59
41
Embodied Water, L/kg 170
140

Common Calculations

PREN (Pitting Resistance) 23
22
Resilience: Ultimate (Unit Rupture Work), MJ/m3 180
89
Resilience: Unit (Modulus of Resilience), kJ/m3 140
200
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 20
17
Strength to Weight: Bending, points 20
17
Thermal Diffusivity, mm2/s 4.0
5.6
Thermal Shock Resistance, points 13
16

Alloy Composition

Carbon (C), % 0 to 0.080
0 to 0.015
Chromium (Cr), % 22 to 24
20 to 23
Iron (Fe), % 56 to 66
72.8 to 80
Manganese (Mn), % 0 to 2.0
0 to 1.0
Nickel (Ni), % 12 to 16
0 to 0.5
Niobium (Nb), % 0 to 1.1
0.050 to 0.8
Nitrogen (N), % 0
0 to 0.015
Phosphorus (P), % 0 to 0.045
0 to 0.040
Silicon (Si), % 0 to 0.75
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.030
Titanium (Ti), % 0
0 to 0.8