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| Brand Name: | Yuhong |
| Model Number: | ASTM A376 TP347H |
| MOQ: | 100kgs |
| Price: | Negotiable |
| Payment Terms: | L/C,T/T |
| Attribute | Value |
|---|---|
| Base Tube | 16mm-219mm |
| Fin Wall Thickness | 0.8-3mm |
| Fin Pitch | 1 inch |
| Fin Thk | 9.07mm |
| Tube Standard | ASTM A376 |
| Dimensions | 88.9mm, 114.3mm, 168.3mm, etc. |
| Fins | TP347H |
| Corrosion Resistance | High |
| Pipe Length | Custom-sized |
| Welding Area | According to actual demand |
The ASTM A376 TP347H solid fin tube is designed for high-temperature heat transfer systems, especially in convection coil sections of boilers and furnaces. Made from seamless TP347H stainless steel, the tube is externally finned using solid carbon steel or stainless steel strips bonded by high-frequency welding (HFW), significantly improving heat exchange efficiency in compact designs.
| Element | Content (%) |
|---|---|
| C | 0.04 - 0.10 |
| Mn | ≤ 2.00 |
| Si | ≤ 1.00 |
| P | ≤ 0.040 |
| S | ≤ 0.030 |
| Cr | 17.0 - 19.0 |
| Ni | 9.0 - 13.0 |
| Nb (Cb) | 8×C - 1.10 |
| Fe | Balance |
| Property | Value (TP347H) |
|---|---|
| Tensile Strength | ≥ 515 MPa |
| Yield Strength | ≥ 205 MPa |
| Elongation | ≥ 35% |
| Hardness | ≤ 95 HRB |
| Max. Operating Temp | ~1050°C |
Used primarily in the convection section of:
These tubes are installed horizontally or vertically where they absorb convective heat from flue gases after the radiant zone.
