YUHONG HOLDING GROUP CO., LTD
| Payment Terms | TT, LC |
| Delivery Time | 7days |
| Packaging Details | plastic woven bags, ply-wooden case with iron steel case |
| Base Pipe Material | P9, P22 |
| Application | Boiler, Economizer |
| Length | Max.: 34m/pc |
| Welding Type | HFW , serrated |
| Production Process | Cold Drawn |
| Fin Wall Thickness | 0.8-3mm |
| Fin Material Grade | 11Cr |
| Fin Thick | 0.8mm-3mm |
| Brand Name | Yuhong |
| Model Number | ASTM A335 P22 |
| Certification | ABS, BV, DNV, CCS, LR |
| Place of Origin | China |
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Product Specification
| Payment Terms | TT, LC | Delivery Time | 7days |
| Packaging Details | plastic woven bags, ply-wooden case with iron steel case | Base Pipe Material | P9, P22 |
| Application | Boiler, Economizer | Length | Max.: 34m/pc |
| Welding Type | HFW , serrated | Production Process | Cold Drawn |
| Fin Wall Thickness | 0.8-3mm | Fin Material Grade | 11Cr |
| Fin Thick | 0.8mm-3mm | Brand Name | Yuhong |
| Model Number | ASTM A335 P22 | Certification | ABS, BV, DNV, CCS, LR |
| Place of Origin | China |
The ASTM A213 T22 HFW Fin Tube is a high-temperature alloy steel tube with high frequency welded (HFW) fins, designed for use in industrial furnaces, heaters, and boilers. The T22 alloy offers superior thermal strength, oxidation resistance, and creep resistance, making it suitable for continuous operation under extreme heat and pressure.
| Element | Composition (%) |
|---|---|
| Carbon (C) | 0.05–0.15 |
| Manganese (Mn) | 0.30–0.60 |
| Phosphorus (P) | ≤ 0.025 |
| Sulfur (S) | ≤ 0.025 |
| Chromium (Cr) | 1.90–2.60 |
| Molybdenum (Mo) | 0.87–1.13 |
| Element | Composition (%) |
|---|---|
| Chromium (Cr) | 11.0–13.0 |
| Carbon (C) | ≤ 0.08 |
| Manganese (Mn) | ≤ 1.0 |
| Silicon (Si) | ≤ 1.0 |
| Phosphorus (P) | ≤ 0.040 |
| Sulfur (S) | ≤ 0.030 |
| Property | Value |
|---|---|
| Tensile Strength | ≥ 415 MPa |
| Yield Strength | ≥ 205 MPa |
| Elongation | ≥ 30% |
| Hardness | ≤ 163 HB |
| Property | Value |
|---|---|
| Tensile Strength | Approx. 450–600 MPa |
| Yield Strength | Approx. 250–350 MPa |
| Hardness | 150–180 HB |
| Heat Resistance | Up to 600°C (continuous) |
Superior heat transfer performance for high-temperature gas environments.
High mechanical strength and creep resistance for prolonged service at elevated temperatures.
Excellent weldability and structural stability due to the seamless tube and HFW fin bonding.
Corrosion and oxidation resistance ensures durability in aggressive heating environments.
Located in the upper part of the furnace.
This section recovers residual heat from flue gases after combustion.
Flue gas temperature here is lower than in the radiant section (typically 300–700°C), making it ideal for finned tubes.
The fins increase surface area, enhancing heat recovery efficiency.
T22’s creep strength and oxidation resistance ensure reliable performance under long-term high-temperature operation.
Company Details
Business Type:
Manufacturer,Importer,Exporter,Trading Company,Seller,Other
Year Established:
1990
Total Annual:
50M-70M
Employee Number:
50~800
Ecer Certification：
Verified Supplier
Yuhong Holding Group has more than 35 years experience for pipeline products, till now we have 3 big joint venture factories, the total production area more than 130000 square meters, and more than 600 workers with 106 production lines give our clients excellent supporting always. &n... Yuhong Holding Group has more than 35 years experience for pipeline products, till now we have 3 big joint venture factories, the total production area more than 130000 square meters, and more than 600 workers with 106 production lines give our clients excellent supporting always. &n...
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