Yuhong Group Co.,Ltd
| Payment Terms | L/C,T/T |
| Supply Ability | 1000 tons per month |
| Delivery Time | Depends on quantity |
| Packaging Details | IRON FRAME WOODEN CASE |
| Base Tube Material | ASTM A213 T22 Alloy Steel |
| in Material | Carbon Steel (CS) |
| Fin Type | High-Frequency Welded Serrated |
| Application | Heat Exchanger, Boiler, Economizer, HRSG |
| Brand Name | YUHONG |
| Model Number | High-Frequency Welded (HFW) Serrated |
| 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 | 1000 tons per month |
| Delivery Time | Depends on quantity | Packaging Details | IRON FRAME WOODEN CASE |
| Base Tube Material | ASTM A213 T22 Alloy Steel | in Material | Carbon Steel (CS) |
| Fin Type | High-Frequency Welded Serrated | Application | Heat Exchanger, Boiler, Economizer, HRSG |
| Brand Name | YUHONG | Model Number | High-Frequency Welded (HFW) Serrated |
| Certification | ABS, GL, DNV, NK, PED, AD2000, GOST9941-81, CCS, ISO 9001-2008 | Place of Origin | CHINA |
| High Light | Serrated finned tubes for HRSG ，High frequency welded fin tubes ，T22 base tube CS fins | ||
Our high-frequency welded serrated finned tubes combine T22 alloy steel base tubes with carbon steel (CS) fins for
unmatched thermal efficiency in extreme environments. The T22 base tube delivers superior high-temperature strength
(up to 550°C), while CS fins maximize heat dissipation through serrated edges that disrupt boundary layers. Ideal for
boilers, HRSGs, and waste-heat recovery systems.
Optimized for Corrosion Resistance and Thermal Conductivity
| Component | Material | C (max) | Mn | Si | Cr | Mo | P (max) | S (max) |
|---|---|---|---|---|---|---|---|---|
| Base Tube | T22 Alloy | 0.15% | 0.30–0.60% | ≤0.50% | 1.90–2.60% | 0.87–1.13% | 0.025% | 0.025% |
| Fins | Carbon Steel | 0.25% | 0.60% | ≤0.35% | – | – | 0.035% | 0.035% |
Notes: T22 resists oxidation in steam environments; CS fins enhance thermal conductivity (45–50 W/m·K).
Guaranteed Fit for Critical Applications
| Parameter | Tolerance | Standard |
|---|---|---|
| Base Tube OD | ±0.15 mm | ASTM A450 |
| Wall Thickness | +10% / -5% | EN 10204-3.1 |
| Fin Height | ±0.25 mm | Custom |
| Fin Density (FPI) | ±1 fin/inch | ASME PTC 30 |
| Straightness | ≤1.5 mm/m | ISO 9393 |
✅ 15+ Years Expertise: 500+ projects in power/petrochemical sectors.
✅ Zero-Gap Welding: High-frequency welding ensures >98% fin bond integrity (tested per ASTM E290).
✅ Quality Assurance: 100% eddy-current testing, hydrostatic pressure checks (60 bar min).
✅ Lead Time: 30 days for standard orders; 45 days for custom specs.
✅ Global Compliance: CE, PED, and ASME stamps available.
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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