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 Standard | ASTM A335 Gr.P22 |
| Fin Material Composition | 11-13% Chromium Steel |
| Fin Type | Helical High Frequency Welded Fins |
| Typical Application | Heat Recovery Steam Generators (HRSG) |
| Customization Available | Yes |
| Key Advantage: | High Temperature Resistance, Corrosion Resistance (Base) |
| Brand Name | YUHONG |
| Model Number | HFW FINNED TUBE |
| 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 Standard | ASTM A335 Gr.P22 | Fin Material Composition | 11-13% Chromium Steel |
| Fin Type | Helical High Frequency Welded Fins | Typical Application | Heat Recovery Steam Generators (HRSG) |
| Customization Available | Yes | Key Advantage: | High Temperature Resistance, Corrosion Resistance (Base) |
| Brand Name | YUHONG | Model Number | HFW FINNED TUBE |
| Certification | ABS, GL, DNV, NK, PED, AD2000, GOST9941-81, CCS, ISO 9001-2008 | Place of Origin | CHINA |
| High Light | High Frequency Welded Finned Tube ，ASTM A335 P22 Finned Tube ，11-13Cr Fins for Boilers | ||
High-Frequency Welded Finned Tubes: ASTM A335 P22 Base / 11-13Cr Fins - High Temp & Corrosion Resistant
YUHONG High-Frequency Welded Finned Tubes combine the elevated temperature strength of ASTM A335 P22 alloy
steel with the superior corrosion and oxidation resistance of 11-13% Chromium (Cr) steel fins. This material pairing is
specifically engineered for applications where extreme heat, pressure, and corrosive atmospheres (such as flue gases
containing sulfur compounds) would rapidly degrade standard finned tubes. The HFW process ensures a metallurgically
sound, low-resistance bond between fin and tube, maximizing heat transfer efficiency and long-term structural integrity
under thermal cycling.
Standard: Conforms strictly to ASTM A335/A335M for seamless ferritic alloy-steel pipe for high-temperature service.
Key Properties: Exceptional creep strength, oxidation resistance, and microstructural stability up to 593°C (1100°F).
Chemical Composition (Typical Weight %):
| Element | ASTM A335 P22 Requirement | Our Typical Range | Key Role |
|---|---|---|---|
| Carbon (C) | 0.05 - 0.15% | 0.08 - 0.12% | Strength, Hardenability |
| Manganese (Mn) | 0.30 - 0.60% | 0.35 - 0.55% | Strength, Hardenability |
| Phosphorus (P) | ≤ 0.025% | ≤ 0.020% | Impurity Control |
| Sulfur (S) | ≤ 0.025% | ≤ 0.015% | Impurity Control |
| Silicon (Si) | 0.50% max | 0.20 - 0.40% | Deoxidizer, Strength |
| Chromium (Cr) | 1.90 - 2.60% | 2.00 - 2.40% | Oxidation Resistance |
| Molybdenum (Mo) | 0.87 - 1.13% | 0.90 - 1.05% | High-Temp Strength, Creep Resistance |
Key Properties: Significantly enhanced resistance to oxidation, sulfidation (sulfur corrosion), and general corrosion compared to carbon steel fins, particularly in the critical 400-600°C (750-1110°F) range. Excellent thermal expansion match to P22 base tube.
Chemical Composition (Typical Weight %):
| Element | Requirement (11-13% Cr Steel) | Our Typical Range | Key Role |
|---|---|---|---|
| Carbon (C) | 0.08 - 0.15% (max) | 0.10 - 0.13% | Strength, Hardness |
| Manganese (Mn) | ≤ 1.00% | 0.40 - 0.80% | Deoxidizer, Strength |
| Phosphorus (P) | ≤ 0.040% | ≤ 0.030% | Impurity Control |
| Sulfur (S) | ≤ 0.030% | ≤ 0.020% | Impurity Control |
| Silicon (Si) | ≤ 1.00% | 0.30 - 0.70% | Deoxidizer, Oxidation Resistance |
| Chromium (Cr) | 11.0 - 13.0% | 11.5 - 12.5% | Primary Corrosion/Oxidation Resistance |
| Nickel (Ni) | ≤ 0.60% (often present) | ≤ 0.50% | Toughness, Microstructure |
We manufacture to exacting standards to ensure optimal fit and performance in your heat exchanger bundles.
| Parameter | Typical Range | Standard Tolerance (±) | Notes |
|---|---|---|---|
| Base Tube OD | 16 mm - 219 mm | 0.15mm or 0.5% | ASME B36.10M / Customer Spec |
| Fin Height (H) | 5 mm - 30 mm | 0.5 mm | Customer Spec |
| Fin Thickness (T) | 0.8mm - 1.5mm | 0.1 mm | Customer Spec |
| Fins Pitch | 4-25 |
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| Fin Root Weld Bond | - | 100% Visual Integrity | Continuous, solid weld around the circumference |
| Tube Length (L) | Up to 24 Meters | +6mm / -0mm | Cut to length precision |
| Tube Straightness | - | 1.5mm per meter | Ensures easy bundling |
Note: Tolerances can be tightened based on specific application requirements.
The P22 + 11-13Cr HFW Finned Tube combination excels in harsh environments:
Your unique application demands precise solutions. We offer comprehensive custom manufacturing:
Ready to Enhance Your Heat Exchanger Reliability?
Contact our technical sales team today for a detailed quote, technical consultation, or to discuss your specific ASTM A335 P22 / 11-13% Cr HFW finned tube requirements. Let our expertise solve your high-temperature corrosion challenge
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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