Yuhong Group Co.,Ltd
| Tube/Pipe Size | 16-219MM |
| Fin type | 1 to 7 fins per inch |
| Fin Material | P9 11R |
| Payment Terms | L/C,T/T |
| Supply Ability | According To Client's Request |
| Delivery Time | 10-90 Days |
| Packaging Details | Ply-wooden Case /Iron Case/ Bundle with plastic Cap |
| Fin Pitch | 2.1-5MM |
| Finned Height | ＜17MM |
| Strip thickness | From 0,4mm. to 0,5mm. |
| Brand Name | YUHONG |
| Model Number | ASTM A335 P9 11R |
| Certification | ABS, GL, DNV, NK, PED, AD2000, GOST9941-81, CCS, ISO 9001-2015 |
| Place of Origin | China |
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Product Specification
| Tube/Pipe Size | 16-219MM | Fin type | 1 to 7 fins per inch |
| Fin Material | P9 11R | Payment Terms | L/C,T/T |
| Supply Ability | According To Client's Request | Delivery Time | 10-90 Days |
| Packaging Details | Ply-wooden Case /Iron Case/ Bundle with plastic Cap | Fin Pitch | 2.1-5MM |
| Finned Height | ＜17MM | Strip thickness | From 0,4mm. to 0,5mm. |
| Brand Name | YUHONG | Model Number | ASTM A335 P9 11R |
| Certification | ABS, GL, DNV, NK, PED, AD2000, GOST9941-81, CCS, ISO 9001-2015 | Place of Origin | China |
| High Light | oil Refining condenser SERRATED FIN TUBE ，P9 11R SERRATED FIN TUBE | ||
ASTM A335 Grade P9 is the specification for seamless ferritic alloy steel pipe designed for high temperature service. It is commonly used in power plants, refineries, etc.
Other industrial applications where high temperature and high pressure conditions exist Grade P9 provides excellent resistance to oxidation and high pressure Temperature intensity. ASTM A-335 P9 Grade Spiral Fin Tube is made from high-quality materials and is designed to withstand extreme temperatures and pressures.
Spiral fin tube, also known as fin tube, is a heat transfer surface composed of fins wrapped around the outer surface of a base tube. Fins increase surface area The tube area is conducive to enhancing heat transfer.
The serrated finned tube is produced using high-frequency welding technology and has high-frequency patented technology. Using high-frequency power as the heat source, the steel strip and steel pipe are heated and welded together at the same time. It has the characteristics of long life, wide operating temperature range and high voltage resistance.
Serrations are small grooves or notches cut into the surface of the fins that disrupt the boundary layer and increase turbulence in the fluid flowing through the fins. This increased turbulence enhances convective heat transfer between the pipes and fluid, resulting in a more efficient heat exchanger. Serrated finned tubes are commonly used in applications requiring high thermal performance such as boilers, air-cooled condensers and other heat exchangers.
ASTM A335 Grade P9 spiral pipe applications:
Specific uses for ASTM A335 Grade P9 Spiral Fin Tube may vary depending on industry and application requirements.
| Type | Description | Base tube O.D. (mm) |
Fin specification (mm) | ||
| Fin pitch | Fin height | Fin thick | |||
| Embedded | G-type fin tube | 16-63 | 2.1-5 | <17 | ~0.4 |
| Extruded | Single metal combined metal | 8-51 | 1.6-10 | <17 | 0.2-0.4 |
| Low fin tube t-type fin tube | 10-38 | 0.6-2 | <1.6 | ~0.3 | |
| Bamboo tube corrugated tube | 16-51 | 8-30 | <2.5 | / | |
| Wound | l/kl/ll type fin tube | 16-63 | 2.1-5 | <17 | ~0.4 |
| String | String fin tube | 25-38 | 2.1-3.5 | <20 | 0.2-0.5 |
| U-type | U-type tube | 16-38 | / | / | / |
| Welding | HF-welding fin tube | 16-219 | 3-25 | 5-30 | 0.8-3 |
| H/HH type fin tube | 25-63 | 8-30 | <200 | 1.5-3.5 | |
| Studed fin tube | 25-219 | 8-30 | 5-35 | φ5-20 | |
| Fin material | N° fins per meter | Strip thickness | Production capacity |
| All type of material | From 50 to 500 | From 0,4mm. to 0,5mm. | More than 500 meters per day |
| Tube material | Tube thickness | O.D. tube | Lenght available |
| All type of material | 1,00mm. minimum | From 10,00mm. to 200,00mm. |
All lenghts up to 8 Meters |
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 Group is one of the large scale group company in China, more than 35 years experience in the international market, providing high-quality services to over 3000 customers, end user which like Aramco, Petrobras, Pemex, Petronas, Ecopetro, Petroecuador, …. till now Yuhong Grou... Yuhong Group is one of the large scale group company in China, more than 35 years experience in the international market, providing high-quality services to over 3000 customers, end user which like Aramco, Petrobras, Pemex, Petronas, Ecopetro, Petroecuador, …. till now Yuhong Grou...
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