YUHONG HOLDING GROUP CO., LTD
| Application | heat exchangers, air preheaters |
| Product Name | Serrated Finned Tube / Serrated Spiral High Frequency Welding Finned Tube |
| Payment Terms | TT,LC |
| Supply Ability | According to Clients' requirements |
| Delivery Time | 45-75 Days (Depend on Customer's Requirement |
| Packaging Details | Ply-wooden Cases with Steel Frames(both ends of pipes have plastic caps） |
| Base Tube Material | ASTM A335 P9 11CR |
| Brand Name | YUHONG |
| Certification | ABS, BV, DNV, CCS, LR |
| Place of Origin | China |
View Detail Information
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Product Specification
| Application | heat exchangers, air preheaters | Product Name | Serrated Finned Tube / Serrated Spiral High Frequency Welding Finned Tube |
| Payment Terms | TT,LC | Supply Ability | According to Clients' requirements |
| Delivery Time | 45-75 Days (Depend on Customer's Requirement | Packaging Details | Ply-wooden Cases with Steel Frames(both ends of pipes have plastic caps） |
| Base Tube Material | ASTM A335 P9 11CR | Brand Name | YUHONG |
| Certification | ABS, BV, DNV, CCS, LR | Place of Origin | China |
| High Light | ASTM A335 P9 serrated finned tube ，11CR finned tube for power plants ，serrated finned tube with warranty | ||
|
Element |
Min (%) |
Max (%) |
Key Benefit |
|
Chromium |
8.00 |
10.00 |
Oxidation/Sulfidation Resistance |
|
Molybdenum |
0.90 |
1.10 |
High-Temperature Strength |
|
Carbon |
0.15 |
0.25 |
Stability at Elevated Temp |
|
Manganese |
0.30 |
0.60 |
Hot Workability |
|
Silicon |
0.50 |
1.00 |
Deoxidation Agent |
|
Property |
Value |
Advantage |
|
Tensile Strength |
≥ 415 MPa (60,200 psi) |
Withstands high-pressure systems |
|
Yield Strength |
≥ 205 MPa (30,000 psi) |
Resists deformation under thermal stress |
|
Hardness (Brinell) |
≤ 179 HBW |
Optimal balance: Toughness & Wear Resistance |
|
Operating Temp |
-29°C to 650°C |
Ideal for boilers, reformers, heaters |
4. Why Choose Our Product?
· L-foot serration design prevents fin loosening under thermal cycling
· Laser-welded fins ensure 100% metallurgical bonding
· Customizable: OD 15-120mm, fin density 5-19 FPI
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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