Yuhong Group Co.,Ltd
| Delivery Time | 50-120 days |
| Material grade | ASTM A335 P22+1Cr13 |
| Payment Terms | L/C,T/T |
| Product | Serrated Fin Tubes |
| Supply Ability | 5000 meters/day |
| Application | Industrial boiler economizers and superheaters |
| Package | Iron frame wooden case |
| Packaging Details | Plywood case |
| Place of Origin | China |
| Model Number | N/A |
| Brand Name | YUHONG |
| Certification | ISO9001:2015; ISO14001:2015; ISO45001:2018; PED 2014/68/EU; WPS/PQR/WPQ; ISO 3834 |
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Product Specification
| Delivery Time | 50-120 days | Material grade | ASTM A335 P22+1Cr13 |
| Payment Terms | L/C,T/T | Product | Serrated Fin Tubes |
| Supply Ability | 5000 meters/day | Application | Industrial boiler economizers and superheaters |
| Package | Iron frame wooden case | Packaging Details | Plywood case |
| Place of Origin | China | Model Number | N/A |
| Brand Name | YUHONG | Certification | ISO9001:2015; ISO14001:2015; ISO45001:2018; PED 2014/68/EU; WPS/PQR/WPQ; ISO 3834 |
| High Light | Serrated Fin Tubes ASTM A335 P22 ，1Cr13 Finned Tubes for heat exchangers ，ASTM A335 P22 serrated fin tubes | ||
Our Serrated Fin Tubes are engineered for maximum heat transfer efficiency in industrial boilers, superheaters, and heat exchangers. The base tube, manufactured from ASTM A335 P22 alloy steel, ensures high-temperature strength and durability, while the fins made of 1Cr13 stainless steel provide excellent corrosion resistance and maintain structural integrity under prolonged high-temperature operation. The serrated fin design enhances turbulence across the gas flow, improving thermal efficiency compared with conventional straight fins.
| Parameter | Typical Range |
|---|---|
| Base Tube OD | 15.88 mm – 219 mm |
| Tube Wall Thickness | 2.77 mm – 10 mm |
| Fin Height | 8 mm – 25 mm |
| Fin Thickness | 0.8 mm – 2.0 mm |
| Fin Pitch | 3.5 mm – 10 mm |
| Finned OD | Up to 150 mm |
| Tube Length | Up to 18 meters |
| Fin Density | Customizable per thermal design |
Custom dimensions are available to meet project-specific requirements.
| Element | Composition (%) |
|---|---|
| Carbon (C) | 0.05 – 0.15 |
| Manganese (Mn) | 0.30 – 0.60 |
| Phosphorus (P) | ≤ 0.025 |
| Sulfur (S) | ≤ 0.025 |
| Silicon (Si) | ≤ 0.50 |
| Chromium (Cr) | 1.90 – 2.60 |
| Molybdenum (Mo) | 0.87 – 1.13 |
| Element | Composition (%) |
|---|---|
| Carbon (C) | ≤ 0.12 |
| Chromium (Cr) | 12 – 14 |
| Manganese (Mn) | ≤ 1.00 |
| Silicon (Si) | ≤ 1.00 |
| Phosphorus (P) | ≤ 0.04 |
| Sulfur (S) | ≤ 0.03 |
The combination ensures high creep strength, oxidation resistance, and corrosion protection in high-temperature flue gas conditions.
| Property | Value |
|---|---|
| Tensile Strength | ≥ 415 MPa |
| Yield Strength | ≥ 205 MPa |
| Elongation | ≥ 30% |
| Hardness | ≤ 163 HBW |
| Max Operating Temp | Up to 600°C |
| Property | Value |
|---|---|
| Tensile Strength | 520 – 700 MPa |
| Yield Strength | ≥ 205 MPa |
| Elongation | ≥ 12% |
| Hardness | 187 – 229 HB |
All serrated fin tubes undergo rigorous inspection to ensure compliance with industrial standards:
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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