YUHONG HOLDING GROUP CO., LTD
| Delivery Time | 50-120 days |
| Packaging Details | Iron frame wooden case |
| Payment Terms | T/T,L/C |
| Material | ASTM A213 T9 |
| Application | Waste Heat Boilers (ASTM A213 T9) |
| Supply Ability | 5000 meters/day |
| Product | Studded Fin Tube |
| Package | Iron frame wooden case |
| Model Number | N/A |
| Brand Name | YUHONG |
| Certification | ISO9001:2015; ISO14001:2015; ISO45001:2018; PED 2014/68/EU; WPS/PQR/WPQ; ISO 3834 |
| Place of Origin | China |
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Product Specification
| Delivery Time | 50-120 days | Packaging Details | Iron frame wooden case |
| Payment Terms | T/T,L/C | Material | ASTM A213 T9 |
| Application | Waste Heat Boilers (ASTM A213 T9) | Supply Ability | 5000 meters/day |
| Product | Studded Fin Tube | Package | Iron frame wooden case |
| Model Number | N/A | Brand Name | YUHONG |
| Certification | ISO9001:2015; ISO14001:2015; ISO45001:2018; PED 2014/68/EU; WPS/PQR/WPQ; ISO 3834 | Place of Origin | China |
| High Light | Studded Fin Tube for boilers ，ASTM A213 T9 Studded Tube ，Waste Heat Boiler Studded Tube | ||
ASTM A213 T9 studded tubes, also referred to as studded fin tubes, are high-performance heat transfer components designed for demanding waste heat recovery applications. Manufactured from ASTM A213 T9 seamless alloy steel tubing, these tubes are equipped with uniformly welded steel studs on the outer surface to significantly increase the effective heat transfer area while maintaining excellent mechanical strength under elevated temperatures.
The addition of welded studs promotes turbulence in the gas stream, improves heat exchange efficiency, and minimizes fouling compared with plain tubes. These characteristics make ASTM A213 T9 studded tubes an excellent solution for waste heat boilers operating in high-temperature, high-pressure, and corrosive industrial environments.
Our studded tubes are manufactured using automated resistance welding equipment to ensure consistent stud spacing, strong weld integrity, in addition to reliable long-term performance. Every production batch is subjected to rigorous inspection procedures to meet customer specifications and applicable international standards.
ASTM A213 T9 studded tubes are widely used in heat recovery systems where enhanced heat transfer and long service life are required, including:
Dimensions can be customized according to customer drawings and equipment design requirements.
| Item | Specification Range |
|---|---|
| Tube Standard | ASTM A213 |
| Base Tube Material | T9 (9Cr-1Mo Alloy Steel) |
| Tube Type | Seamless Tube |
| Outside Diameter | 25.4 mm - 88.9 mm |
| Wall Thickness | 2.5 mm - 12 mm |
| Tube Length | 3000 mm - 18000 mm |
| Stud Diameter | 8 mm - 20 mm |
| Stud Height | 10 mm - 25 mm |
| Stud Pitch | Customized according to design requirements |
| Stud Material | Carbon Steel, Alloy Steel, Stainless Steel Available |
| Manufacturing Standard | ASTM / ASME / EN Available |
| Element | Requirement (%) |
| Carbon (C) | ≤0.15 |
| Manganese (Mn) | 0.30-0.60 |
| Phosphorus (P) | ≤0.025 |
| Sulfur (S) | ≤0.025 |
| Silicon (Si) | 0.25-1.00 |
| Chromium (Cr) | 8.00-10.00 |
| Molybdenum (Mo) | 0.90-1.10 |
| Iron (Fe) | Balance |
| Item | Requirement |
| Tensile Strength | ≥415 MPa |
| Yield Strength | ≥205 MPa |
| Elongation | ≥30% |
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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