Yuhong Group Co.,Ltd
| Payment Terms | T/T, L/C |
| Supply Ability | 50000m/month |
| Delivery Time | 15--45days |
| Packaging Details | Ply wooden case |
| Base Tube Size | 4 inch x sch40s x 5020 mm |
| Base Tube Material | ASTM A335 P11 |
| Fin Material | Carbon Steel grade 11 |
| Fin Type | HFW Fin Tube |
| Fin Height | 25.4mm |
| Fin thickness | 1.27mm |
| Fin pitch | 5 fins |
| Application | HRSG, Heat Recovery Steam System, Economizer |
| Brand Name | YUHONG |
| Model Number | HFW Serrated Fin Tube |
| Certification | ISO , PED, API , CE |
| Place of Origin | China, Korea |
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Product Specification
| Payment Terms | T/T, L/C | Supply Ability | 50000m/month |
| Delivery Time | 15--45days | Packaging Details | Ply wooden case |
| Base Tube Size | 4 inch x sch40s x 5020 mm | Base Tube Material | ASTM A335 P11 |
| Fin Material | Carbon Steel grade 11 | Fin Type | HFW Fin Tube |
| Fin Height | 25.4mm | Fin thickness | 1.27mm |
| Fin pitch | 5 fins | Application | HRSG, Heat Recovery Steam System, Economizer |
| Brand Name | YUHONG | Model Number | HFW Serrated Fin Tube |
| Certification | ISO , PED, API , CE | Place of Origin | China, Korea |
| High Light | P11 Finned Tube ，ASTM A335 Finned Tube ，HFW Finned Tube | ||
ASTM A335 P11 HFW Serrated Type Finned Tube for HRSG Heat Recovery Steam System
Among our advanced products is the ASTM A335 P11 HFW Serrated Type Finned Tube, specifically designed for Heat Recovery Steam Generators (HRSG) and other high-performance heat recovery systems. This product is engineered to meet the rigorous demands of high-temperature and high-pressure environments, ensuring optimal heat transfer efficiency and durability.
Chemical Composition of ASTM A335 P11
(Source: ASTM A335-22, Table 1)
| 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 – 1.00 |
| Chromium (Cr) | 1.00 – 1.50 |
| Molybdenum (Mo) | 0.44 – 0.65 |
The alloying elements, particularly chromium (Cr) and molybdenum (Mo), provide excellent resistance to oxidation, thermal fatigue, and corrosion, making it suitable for high-temperature environments.
Mechanical Properties of ASTM A335 P11
(Source: ASTM A335-22, Table 2)
| Property | Value |
|---|---|
| Tensile Strength | ≥ 415 MPa (60,200 psi) |
| Yield Strength | ≥ 205 MPa (30,000 psi) |
| Elongation | ≥ 30% |
| Hardness | ≤ 163 HB |
Base Tube Inspection (ASTM A335)
(Source: ASTM A335-22, Section 11)
Finished Finned Tube Testing
Fin Bonding Test (Source: ASME SA803, Section 9.2):
Visual Inspection (Source: ASME SA803, Section 10):
Dimensional Accuracy (Source: TEMA Standards, Table RCB-2):
Common Dimensions of Serrated Finned Tubes
| Parameter | Range |
|---|---|
| Base Tube OD | 25.4 mm – 50.8 mm (1" – 2") |
| Base Tube Thickness | 2.0 mm – 5.0 mm |
| Fin Height | 10 mm – 20 mm |
| Fin Pitch | 3 FPI – 10 FPI (Fins per Inch) |
| Fin Thickness | 0.5 mm – 1.2 mm |
| Tube Length | Up to 12 meters |
These dimensions can be customized to meet specific HRSG system requirements.
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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