ASTM A182 F316Ti Stainless Steel Tubesheet Corrosion-Resistant, Resistant To Chemicals And Seawater Erosion
ASTM A182 F316Ti Stainless Steel Tubesheet For Heat Exchanger
The tubesheet serves as the "pressure-bearing wall" or "main plate" in pressure vessels or heat exchangers.
It's drilled with countless holes to secure the heat exchange tube forgings. Tubes are inserted into these holes and connected to the tubesheet, typically by welding or expansion joints. The tubesheet must withstand significant pressure differentials and temperatures, making its material crucial.
316Ti offers exceptional corrosion resistance, resisting both chemicals and seawater while effectively addressing intergranular corrosion, a common problem in welding and high-temperature environments.
Tubesheets made from this material, used to secure heat exchange tubes, are well-suited to withstand significant pressure and temperature fluctuations and are therefore suitable for use in harsh environments such as the chemical and marine industries.
ASTM A182 F316Ti Flange Chemical Compostion and Properties
| Element | Min | Max |
| C | - | 0.08 |
| Si | - | 0.75 |
| Mn | - | 2 |
| P | - | 0.45 |
| S | - | 0.03 |
| Cr | 16 | 18 |
| Mo | 2 | 3 |
| N | - | 0.1 |
| Fe | Balance | |
| Ni | 10 | 14 |
| Ti | 5x%(C+N) | |
ASTM A182 F316Ti Mechanical and Physical Properties
| Temper | Annealed | |
| Tensile Rm | 75 | ksi (min) |
| Tensile Rm | 515 | MPa (min) |
| R.p. 0.2% Yield | 30 | ksi (min) |
| R.p. 0.2% Yield | 205 | MPa (min) |
| Elongation (2” or 4D gl) | 35 | % (min) |
ASTM A182 F316Ti Physical Properties
| Specific Heat (0-100°C) | 500 | J.kg-1.°K-1 |
| Thermal Conductivity | 14.6 | W.m -1.°K-1 |
| Thermal Expansion | 16.5 | mm/m/°C |
| Modulus Elasticity | 193 | GPa |
| Electrical Resistivity | 7.4 | μohm/cm |
| Density | 7.99 | g/cm3 |
Application
Tubesheet is widely used in tube heat exchanger, boiler, pressure vessel, steam turbine, large central air conditioning and other industries. Mainly used in chemical vessels, such as tube heat exchangers, pressure vessels, boilers, condensers, central air conditioning, evaporators, desalination, to support the role of fixed tubes, the metal of the material so that not only has a strong rigidity, but also has a great thermal conductivity.
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