Welding Fin Tube, Serrated Type, Base Tube ASTM A355 GR P9, Fin Material 11Cr, Fired Heater Application
| Attribute | Value |
|---|---|
| Base Tube Material Grade | GR.P5, GR. P9, GR. P91, GR. P92, GR. P2, GR. P22, GR. P12, GR. P11, GR. P1 |
| Base Tube Material Standard | ASTM A355, ASME SA355 |
| Type | Serrated, Helical Serrated |
| Application | Furnace Tube, Tube Coil, Radiate Tube, Convenction Tube, Fired Heater |
| Fin Type | Serrated Fins |
| Fin Material | Carbon Steel, Stainless Steel, Alloy Steel |
Welding fin tubes, specifically the helical serrated type with a base tube made of ASTM A335 Grade P9, are advanced heat transfer components designed for high-efficiency applications in demanding environments. This configuration combines the mechanical strength and heat resistance of the base tube with the enhanced heat transfer properties provided by the serrated fins.
Helical serrated welding fin tubes with a base tube made of ASTM A335 Grade P9 are highly efficient and durable heat transfer components for a variety of industrial applications. Their excellent thermal performance, combined with the robust properties of Grade P9 alloy steel, makes them ideal for environments where efficient and reliable thermal management is critical.
ASTM A335 Grade P9: This is a chromium-molybdenum alloy steel known for its excellent high-temperature strength, corrosion resistance, and resistance to oxidation. It is commonly used in high-pressure and high-temperature environments.
| Property | Value |
|---|---|
| Tensile Strength, min. | 415 MPa--60 ksi |
| Yield Strength, min. | 205 MPa--30 ksi |
| Elongation | 30% |
| Element | Composition |
|---|---|
| C | 0.05–0.15 |
| Mn | 0.3–0.6 |
| P | 0.025 max |
| S | 0.025 max |
| Si | 0.5–1 |
| Cr | 1–1.5 |
| Mo | 0.44–0.65 |
Serrated Fins: The fins are serrated and helically wound around the base tube, increasing the surface area and enhancing the heat transfer efficiency. The serrations disrupt boundary layers and promote turbulent flow, improving overall heat exchange.
- Welded Fin Attachment: The fins are welded to the base tube, ensuring a robust and durable bond that can withstand thermal cycling and mechanical stresses.
- Helical Serration: The helical arrangement of the fins provides uniform heat distribution and promotes efficient heat transfer.
- High Thermal Efficiency: Enhanced heat transfer through increased surface area and turbulent flow promotion
- Durability and Longevity: Excellent high-temperature performance and corrosion resistance
- Versatility: Suitable for various industrial applications including power generation and petrochemical processing
- Power Generation
- Petrochemical and Refinery Industry
- Chemical Processing
- Oil and Gas Industry
- Industrial Furnaces and Ovens
- Renewable Energy
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