Yuhong Group Co.,Ltd
| Payment Terms | L/C,T/T |
| Supply Ability | According to Clients' requirements |
| Delivery Time | According to Clients' quantity |
| Packaging Details | Ply-wooden Cases with Steel Frames(both ends of pipes have plastic caps) |
| Product Name | Single H / Double H Type Fin Tube |
| Base Tube Specification & Material | ASTM A106 Gr.B |
| Fin Material | Carbon Steel |
| Fin Height | <200mm |
| Fin Thick | 1.5mm-3.5mm |
| Fin Pitch | 8mm-30mm |
| Base Tube OD | 25mm-63mm |
| Application | Radiator, Heat Exchanger, Refrigerator, Economizer |
| Brand Name | YUHONG |
| Model Number | ASTM A106 Gr.B |
| Certification | ABS, GL, DNV, NK, PED, AD2000, GOST9941-81, CCS, ISO 9001-2008 |
| Place of Origin | China |
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Product Specification
| Payment Terms | L/C,T/T | Supply Ability | According to Clients' requirements |
| Delivery Time | According to Clients' quantity | Packaging Details | Ply-wooden Cases with Steel Frames(both ends of pipes have plastic caps) |
| Product Name | Single H / Double H Type Fin Tube | Base Tube Specification & Material | ASTM A106 Gr.B |
| Fin Material | Carbon Steel | Fin Height | <200mm |
| Fin Thick | 1.5mm-3.5mm | Fin Pitch | 8mm-30mm |
| Base Tube OD | 25mm-63mm | Application | Radiator, Heat Exchanger, Refrigerator, Economizer |
| Brand Name | YUHONG | Model Number | ASTM A106 Gr.B |
| Certification | ABS, GL, DNV, NK, PED, AD2000, GOST9941-81, CCS, ISO 9001-2008 | Place of Origin | China |
| High Light | ASTM A106 Gr.B seamless carbon steel pipe ，square H type fin tube ，radiator fin tube with warranty | ||
ASTM A106 Gr.B Seamless Carbon Steel Pipe Square (H Type) Fin Tube For Radiator
ASTM A106 Gr.B Seamless Carbon Steel Square (H Type) Fin Tube for Radiator is a high-efficiency heat transfer component designed for industrial heating systems. Manufactured from ASTM A106 Gr.B seamless carbon steel pipe, it features a square base tube with helically welded H-type fins to maximize heat dissipation. This fin tube is engineered for high thermal conductivity, pressure resistance (suitable for high-temperature steam/water systems), and long-term corrosion protection, making it ideal for radiators, heat exchangers, and boiler applications. Its optimized fin geometry (H-Type) ensures enhanced airflow and heat transfer efficiency in confined spaces, reducing energy consumption while maintaining structural durability under harsh operating conditions.
1.H-type Fin Tube Related Overview
• The fin is divided into two symmetrical half pieces. The tube wall is pressed down from both sides, and resistance welding is used to weld on the pipe wall with a certain gap left in the middle;
• Two circular tubes can share a group of fins, called double tube H-shaped fins, or a single tube H-shaped fin can be placed in the middle;
• The heat exchanger composed of H-type finned tubes is closely arranged and the tube bundles are arranged in order;
• The fins are parallel and independent of each other, and there is no influence of helix angle, so it is easy to remove ash.
2.Chemical & Mechanical Properties
| ASTM A106 Gr.B Chemical Composition (%) | |||||||||
| C | Mn | P | S | Si | Cr | Cu | Mo | Ni | V |
| ≤0.30% | 0.29% ~ 1.06% | ≤0.035% | ≤0.035% | ≥0.10% | ≤ 0.40% | ≤ 0.40% | ≤ 0.15% | ≤ 0.40% | ≤ 0.08% |
Mechanical Properties
| Component | Mechanical Performance | Key Features |
| ASTM A106 Gr.B | · Tensile Strength: ≥415 MPa · Yield Strength: ≥240 MPa · Elongation (in 50mm): ≥30% (Longitudinal) · Hardness (Max): 187HB |
|
3. Key Features
High-Frequency Welded Fins: Secure bonding (shear strength ≥35 MPa) with no risk of detachment.
With a reasonable carbon steel composition and surface treatment (if any), it can resist a certain degree of oxidation and corrosion in conventional heat dissipation environments (such as heating systems, industrial cooling, etc.), prolonging the service life.
| Characteristic | Traditional round tube fin | H-type square tube fin |
| heat transfer efficiency | medium | Higher (+20% or more) |
| structural stability | Easy to deform | Square base tube has better bending resistance |
| space utilization | lower | Compact layout, saving installation space |
4. Key Applications
1. Power Industry:
ACC (Air-Cooled Condenser) radiator
HRSG (Heat Recovery Steam Generator)
2. Petrochemical Industry:
FCC (Fluid Catalytic Cracking) unit slurry cooler
Ethylene cracking furnace air preheater
3. Environmental Protection:
Waste incineration plant flue gas condenser
Sintering machine waste heat boiler evaporation section
4. Special Industries:
LNG vaporizer
Marine central cooling system
Polysilicon production gas heat exchanger
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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