Payment Terms | T/T, L/C |
Supply Ability | 1000 tons per month |
Delivery Time | Depends on quantity |
Packaging Details | IRON FRAME CASE |
Tube Material | P11, P12, P22, P91 |
Bare Length | Customized |
Fin Pitch | 3-25 |
Fin Height | 5-30mm |
Fin Thickness | 0.8-3mm |
Production Name | Solid Fin Tube |
Brand Name | YUHONG |
Model Number | ASTM A335 P22 Solid Fin 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 | T/T, L/C | Supply Ability | 1000 tons per month |
Delivery Time | Depends on quantity | Packaging Details | IRON FRAME CASE |
Tube Material | P11, P12, P22, P91 | Bare Length | Customized |
Fin Pitch | 3-25 | Fin Height | 5-30mm |
Fin Thickness | 0.8-3mm | Production Name | Solid Fin Tube |
Brand Name | YUHONG | Model Number | ASTM A335 P22 Solid Fin Tube |
Certification | ABS, GL, DNV, NK, PED, AD2000, GOST9941-81, CCS, ISO 9001-2008 | Place of Origin | China |
High Light | Economizers Solid Fin Tube ,Refinery Heaters Solid Fin Tube ,ASTM A335 Solid Fin Tube |
1. ASTM A335 Grade P22 is a chromium-molybdenum alloy steel with the following specifications:
Grade | UNS Designation | C | Mn | P | S | Si | Cr | Mo | Other |
P22 | K21590 | 0.05–0.15 | 0.30–0.60 | 0.025 | 0.025 | 0.50 max | 1.90–2.60 | 0.87–1.13 | . . . |
Tensile Strength: ≥415 MPa (60,200 psi)
Yield Strength: ≥205 MPa (29,700 psi)
Hardness: ≤163 HBW (Brinell)
Elongation: ≥30% (in 50mm)
Normalized at 900–975°C (1652–1787°F) and tempered at 675–760°C (1247–1400°F).
2. Manufacturing Standards & Testing
Compliance:
ASTM A335 (material)
ASME BPVC Section I & VIII (pressure design)
TEMA (Thermal Exchanger Manufacturers Association) for finned tube bundles.
Testing:
Hydrostatic Test: 1.5x design pressure for 10+ seconds.
NDT (Non-Destructive Testing):
Ultrasonic testing (UT) for base tube integrity.
Dye penetrant testing (PT) for weld joints.
3. Application-Specific Configurations
Power Plant Boilers:
Superheaters: Fins optimized for 400–600°C flue gas with ash erosion resistance.
Economizers: Low-fin-density designs (3–5 FPI) to minimize fouling.
Refinery Heaters:
Stainless steel fin tips for sulfidation resistance in H₂S-rich environments.
Waste Heat Recovery Units:
Custom fin spacing to handle particulate-laden exhaust (e.g., cement kilns).
4. Advantages Over Serrated/Embedded Fins
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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