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AISI 316Cb Stainless Steel vs. S32550 Stainless Steel

Both AISI 316Cb stainless steel and S32550 stainless steel are iron alloys. Both are furnished in the annealed condition. They have 88% of their average alloy composition in common. There are 34 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 316Cb stainless steel and the bottom bar is S32550 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
260
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 34
21
Fatigue Strength, MPa 180
400
Poisson's Ratio 0.28
0.27
Reduction in Area, % 46
57
Shear Modulus, GPa 78
80
Shear Strength, MPa 390
540
Tensile Strength: Ultimate (UTS), MPa 580
860
Tensile Strength: Yield (Proof), MPa 230
620

Thermal Properties

Latent Heat of Fusion, J/g 290
300
Maximum Temperature: Corrosion, °C 490
450
Maximum Temperature: Mechanical, °C 940
1100
Melting Completion (Liquidus), °C 1450
1440
Melting Onset (Solidus), °C 1410
1390
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 15
16
Thermal Expansion, µm/m-K 16
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.3
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 2.6
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 22
20
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 4.4
3.8
Embodied Energy, MJ/kg 61
53
Embodied Water, L/kg 150
180

Common Calculations

PREN (Pitting Resistance) 26
40
Resilience: Ultimate (Unit Rupture Work), MJ/m3 160
160
Resilience: Unit (Modulus of Resilience), kJ/m3 130
940
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 20
31
Strength to Weight: Bending, points 20
26
Thermal Diffusivity, mm2/s 4.1
4.4
Thermal Shock Resistance, points 13
23

Alloy Composition

Carbon (C), % 0 to 0.080
0 to 0.040
Chromium (Cr), % 16 to 18
24 to 27
Copper (Cu), % 0
1.5 to 2.5
Iron (Fe), % 60.9 to 72
57.2 to 67
Manganese (Mn), % 0 to 2.0
0 to 1.5
Molybdenum (Mo), % 2.0 to 3.0
2.9 to 3.9
Nickel (Ni), % 10 to 14
4.5 to 6.5
Niobium (Nb), % 0 to 1.1
0
Nitrogen (N), % 0 to 0.1
0.1 to 0.25
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