| Payment Terms | T/T, L/C at sight, D/P |
| Supply Ability | 100000 Meters per Month |
| Delivery Time | 15-30 working days after order confirmation |
| Packaging Details | Wooden crate packaging with individual tube separation, anti-corrosion oil coating, plastic end caps |
| Base Tube OD | 38mm |
| Base Tube Wall Thickness | 3.0-6.0mm |
| Fin Thickness | 0.8mm |
| Fin Height | 12.5mm |
| Fin Pitch | 4-15mm (custom) |
| Fin Material | Carbon Steel / Alloy Steel |
| Welding Method | High Frequency Resistance Welding |
| Fin Bond Integrity | 100% fin-to-tube metallurgical bond |
| NDT Testing | Pull Test, Visual Inspection, Dimensional Check |
| Brand Name | WNRLN |
| Model Number | HFW-SF-38x12.5-0.8 |
| Place of Origin | Hebei, China |
| Certification | ISO 9001:2015, ASME Section I, EN 12952 |
View Detail Information
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Product Specification
| Payment Terms | T/T, L/C at sight, D/P | Supply Ability | 100000 Meters per Month |
| Delivery Time | 15-30 working days after order confirmation | Packaging Details | Wooden crate packaging with individual tube separation, anti-corrosion oil coating, plastic end caps |
| Base Tube OD | 38mm | Base Tube Wall Thickness | 3.0-6.0mm |
| Fin Thickness | 0.8mm | Fin Height | 12.5mm |
| Fin Pitch | 4-15mm (custom) | Fin Material | Carbon Steel / Alloy Steel |
| Welding Method | High Frequency Resistance Welding | Fin Bond Integrity | 100% fin-to-tube metallurgical bond |
| NDT Testing | Pull Test, Visual Inspection, Dimensional Check | Brand Name | WNRLN |
| Model Number | HFW-SF-38x12.5-0.8 | Place of Origin | Hebei, China |
| Certification | ISO 9001:2015, ASME Section I, EN 12952 | ||
| High Light | Spiral Fin Tube HFW ,HRSG Economizer Fin ,12.5mm Fin Height | ||
High Frequency Welded (HFW) Spiral Fin Tubes provide maximum extended surface area for enhanced heat transfer efficiency in heat recovery steam generators (HRSG), waste heat boilers, and industrial economizers. The high-frequency resistance welding process creates a 100% metallurgical bond between the fin strip and the base tube, ensuring reliable heat conduction and mechanical integrity under thermal cycling conditions.
| Parameter | Specification |
|---|---|
| Base Tube Material | SA178 Gr.A/Gr.C, SA192, SA210 Gr.A1/Gr.C, SA213 TP304/TP316 |
| Fin Material | CS (ASTM A1008), Alloy Steel (ASTM A240 TP409, TP410) |
| Fin Type | Solid plain fin (serrated fin also available) |
| Fin Bond | 100% continuous metallurgical bond |
| Section Length | Up to 18000mm |
Company Details
Business Type:
Manufacturer,Exporter
Year Established:
1985
Total Annual:
100000000-110000000
Employee Number:
600~700
Ecer Certification:
Verified Supplier
Zhangjiagang Hua Dong Energy Technology Co., Ltd. is a high-tech enterprise specialized in producing all kinds of stainless, carbon and alloy steel tubes and pipes, steel plates which are widely used in the field of boiler&heat exchanger, energy, petrochemical, mining, food, paper, gas and fluid... Zhangjiagang Hua Dong Energy Technology Co., Ltd. is a high-tech enterprise specialized in producing all kinds of stainless, carbon and alloy steel tubes and pipes, steel plates which are widely used in the field of boiler&heat exchanger, energy, petrochemical, mining, food, paper, gas and fluid...
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