A312 TP304, TP304H,TP304L Serrated Fin Pipe SS304H Fins for Fired Heater Convection Section
YUHONG TP304H Serrated Fin Pipe with SS304H fins is a highly efficient heat transfer solution designed specifically for fired heater convection sections. Engineered to meet API and ASME standards, this product ensures exceptional reliability and performance in demanding high-temperature environments commonly found in petrochemical, refinery, and chemical industries.
A312 TP304, TP304H,TP304L Serrated Fin Pipe Chemical Composition of TP304H
The ASTM A312 TP304H fin tube is made from a high-performance stainless steel alloy, TP304H, known for its enhanced creep resistance and strength at elevated temperatures. The chemical composition of TP304H is as follows:
| Element |
Composition (%) |
| Chromium (Cr) |
18.0 - 20.0 |
| Nickel (Ni) |
8.0 - 11.0 |
| Manganese (Mn) |
2.0 max |
| Silicon (Si) |
1.0 max |
| Carbon (C) |
0.04 - 0.10 |
| Phosphorus (P) |
0.045 max |
| Sulfur (S) |
0.03 max |
A312 TP304, TP304H,TP304L Serrated Fin Pipe Mechanical Properties of TP304H
The mechanical properties of TP304H make it suitable for high-temperature applications, particularly in fired heaters. Key properties include:
| Property |
Value |
| Yield Strength |
210 MPa |
| Tensile Strength |
520 MPa |
| Elongation |
40% |
| Hardness |
90 HRB |
| Operating Temperature |
Up to 750 °C |
A312 TP304, TP304H,TP304L Serrated Fin Pipe Common Standards for Fins
The SS304H fins are available in various standards, including European and American designations. Common designations include:
| Standard |
Designation |
| EN 10216-5 |
1.4301 |
| ASTM A240 |
SS304H |
| ASTM A213 |
TP304H |
A312 TP304, TP304H,TP304L Serrated Fin Pipe Applications
The TP304H Serrated Fin Pipe is a critical component in the convection sections of fired heaters, where efficient heat recovery is essential. Common applications include:
- Petrochemical and refinery heaters.
- Chemical process plant heaters.
- Heat recovery sections in industrial furnaces.
