ASTM A312 TP304 HFW Fin Tube Fin Material Of 11-13 Cr
The ASTM A312 TP304 is a standard specification for seamless, welded, and heavily cold worked austenitic stainless steel pipes. It is commonly used in high-temperature and corrosive environments.
HFW (High-Frequency Welding) is a welding method used to join the pipes. It involves the use of high-frequency electrical currents to generate heat and create a weld.
Fin tubes are used in heat exchangers and boilers to increase the heat transfer efficiency. The fin material of 11-13 Cr refers to a fin material made from stainless steel with a chromium content of 11-13%. This type of material provides good corrosion resistance and high-temperature strength, making it suitable for applications in corrosive and high-temperature environments.
| Grade | UNS Designation | Composition, % | |||||
| Carbon | Manganese | Phosphorus, max | Sulfur, max | Silicon | |||
| 304H | S30409 | 0.04-0.10 | 2 | 0.045 | 0.03 | 0.75 | |
- Number of pieces,
- base tube: Diameter, thickness, length and material specification.
- Fins: material specification, type (solid or serrated), height, thickness, spacing, finned length and unfinned sections. Weld prep details if required.
- Delivery period required.
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