Yuhong Group Co.,Ltd
| Payment Terms | L/C,T/T |
| Delivery Time | 7 days |
| Packaging Details | plastic-woven bags, ply-wooden case with iron frame |
| Packing | Wooden Case, Pallet, or as per customer's requirement |
| Product Type | Finned Tube |
| Meterial | ASME SA335 P91 |
| Finned Tube Standard | ASTM A333 |
| Fin Number | Customized |
| Condition | New |
| Size | Customized |
| Fin Thick | 0.8mm-3mm |
| Brand Name | Yuhong |
| Model Number | ASME SA335 P91 |
| Certification | ABS, BV, LR, CCS, DNV |
| Place of Origin | China |
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Product Specification
| Payment Terms | L/C,T/T | Delivery Time | 7 days |
| Packaging Details | plastic-woven bags, ply-wooden case with iron frame | Packing | Wooden Case, Pallet, or as per customer's requirement |
| Product Type | Finned Tube | Meterial | ASME SA335 P91 |
| Finned Tube Standard | ASTM A333 | Fin Number | Customized |
| Condition | New | Size | Customized |
| Fin Thick | 0.8mm-3mm | Brand Name | Yuhong |
| Model Number | ASME SA335 P91 | Certification | ABS, BV, LR, CCS, DNV |
| Place of Origin | China | ||
| High Light | Alloy Steel Fin Tube ，ASME SA335 P91 Fin Tube ，High Frequency Welding Fin Tube | ||
The Alloy Steel ASME SA335 P91 Seamless High-Frequency Welding Fin Tube is a high-performance tube used in demanding heat transfer applications, particularly in industrial heaters, boilers, and heat exchangers. Manufactured from P91 alloy steel, this tube is designed to withstand high-temperature environments while offering exceptional strength, creep resistance, and corrosion resistance. The seamless construction ensures structural integrity, while the high-frequency welding of the fins enhances heat exchange efficiency. This tube is ideal for power plants, the oil and gas industry, and other sectors requiring reliable, efficient heat transfer in harsh conditions.
Material:
Alloy Steel (ASME SA335 P91):
This is a high-strength, chromium-molybdenum alloy steel designed for use in high-temperature environments (like power plants or industrial boilers). P91 is specifically known for its excellent creep strength at high temperatures and good oxidation resistance.
Seamless:
The tube is seamless, meaning it is manufactured without a welded seam, offering improved strength, safety, and resistance to pressure.
High-Frequency Welding:
This refers to the method used to weld the fins to the tube. High-frequency welding uses high-frequency electric currents to bond materials together, ensuring strong, durable joints, which is crucial for heat transfer efficiency.
Fin Tube:
A finned tube is designed to increase the surface area for heat exchange, improving the efficiency of the heater or cooler. The fins are typically welded or mechanically attached to the tube and are used to enhance the heat transfer process.
Application:
This type of tube is commonly used in heaters or heat exchangers, especially where there is a need to maximize heat dissipation or absorption. Common uses include industrial heaters, boilers, and air coolers.
| Element | Content Range (wt%) |
|---|---|
| Carbon (C) | 0.05 - 0.15 |
| Manganese (Mn) | 0.30 - 0.60 |
| Silicon (Si) | 0.20 - 0.50 |
| Chromium (Cr) | 4.00 - 5.00 |
| Molybdenum (Mo) | 0.90 - 1.10 |
| Nickel (Ni) | 0.30 - 0.60 |
| Vanadium (V) | 0.18 - 0.25 |
| Phosphorus (P) | ≤ 0.020 |
| Sulfur (S) | ≤ 0.010 |
| Aluminum (Al) | ≤ 0.10 |
| Property | Value |
|---|---|
| Tensile Strength | 690 - 790 MPa (100,000 - 115,000 psi) |
| Yield Strength | 415 - 530 MPa (60,000 - 77,000 psi) |
| Elongation | ≥ 20% |
| Hardness | 250 - 320 HB |
High Temperature Strength:
P91 alloy steel maintains its strength and resistance to thermal fatigue even at high operating temperatures (up to 600°C or 1112°F), making it ideal for power generation applications.
Excellent Creep Resistance:
It is highly resistant to creep deformation under long-term high-temperature stress, prolonging the life of the tubes and reducing maintenance needs.
Superior Corrosion Resistance:
Offers excellent resistance to oxidation and corrosion, especially in environments with high temperatures and aggressive substances, reducing the risk of failure.
Enhanced Heat Transfer Efficiency:
The finned tube design maximizes surface area, improving heat exchange efficiency, which is crucial for industrial heating and cooling applications.
Seamless Construction:
The seamless tube construction minimizes the risk of weak points or fractures, providing higher reliability and safety under pressure.
Power Plants:
Used in power plants, particularly in high-temperature sections like steam generators, reheaters, and superheaters, due to its excellent strength at elevated temperatures.
Heat Exchangers:
Ideal for use in heat exchangers, where efficient heat transfer and resistance to thermal cycling are crucial.
Industrial Boilers:
Used in the construction of industrial boilers, where the alloy steel's resistance to creep and corrosion at high temperatures ensures reliability and longevity.
Oil and Gas Industry:
Commonly applied in the oil and gas sector for equipment that requires heat transfer efficiency in extreme conditions.
Air Coolers:
In air coolers, the finned design improves heat dissipation, enhancing the performance of cooling systems.
Company Details
Business Type:
Manufacturer,Distributor/Wholesaler,Importer,Exporter,Trading Company,Seller,Other
Year Established:
2007
Total Annual:
50M-70M
Employee Number:
50~850
Ecer Certification：
Verified Supplier
YUHONG HOLDING GROUP is one of the largest Procurement, Engineering & Contracting Group companies in China. Our group branch company and factory have been already approved by : ABS, LR, DNV, GL, BV, CCS, KR, PED 97/23/EC, AD2000-WO, GOST9941-81, CCS, TS, CNNC, ISO9... YUHONG HOLDING GROUP is one of the largest Procurement, Engineering & Contracting Group companies in China. Our group branch company and factory have been already approved by : ABS, LR, DNV, GL, BV, CCS, KR, PED 97/23/EC, AD2000-WO, GOST9941-81, CCS, TS, CNNC, ISO9...
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