DELLOK A179 Carbon Steel Seamless Fin Tube - 19mm to 219mm OD, 18 Meter Length for Heat Exchangers
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Delivery Time:
within 15days
Brand:
DELLOK
Product Description
Cold Drawn Heat Exchanger A179 Carbon Steel Seamless Tube
High-frequency resistance welded helical steel fin tubes designed for efficient waste heat recovery from boiler flue gas and various industrial heating applications.
Production Capacity & Specifications
| Welding Facility | General Specifications |
|---|---|
| 4 finning machines Daily production capacity: 40 tons HFW Fin types: solid plain and serrated |
Tube OD: 19mm min Tube Length: 18 meters max Fin Height: 32mm max Fin Thickness: 0.8mm min Fin Pitch: 4mm min (solid), 3.3mm min (serrated) |
Product Features
- Continuous spiral welding of fin strip onto polished bare tube
- High-frequency resistance welding for strong tube-fin bonding
- External red oxide zinc phosphate primer coating
- Internal volatile corrosion inhibitor (VCI) protection
- Available in solid plain and serrated fin configurations
- Hairpin tube bending options available
Quality Control Checks
- Visual Inspection: Unwelded parts, fin damage, copper pollution, tears, wrap
- Dimensional Verification: Fin height, spacing, inclination, corrugation, length measurements
- Bending Assessment: Ovality, thickness, area reduction
Tube End Finish
Bevel angle: 30°-35°
Bevel root size: 0.5mm-1.5mm
Material Specifications
| Component | General Materials | Popular ASTM Materials |
|---|---|---|
| Core Tube | Carbon Steel, Alloy Steel, Heat Resistant Steel, Stainless Steel | 10#, 20#, 15CrMo, Cr5Mo, Cr9Mo, 1Cr18Ni9Ti, 0Cr18Ni9, 00Cr17Ni14Mo2, SA106B, SA106C, SA192, SA179, SA178, SA214, SA210-A1, SA210-C, TP304/304L/304H, TP409/410, TP316/316L, TP321/321L, TP347H, T11, T22, T91 |
| Fins | Carbon Steel, Alloy Steel, Heat Resistant Steel, Stainless Steel | Q235-BF, 08F, 08AL, 1Cr18Ni9Ti, 0Cr13, 1Cr13, 0Cr18Ni9, 09CrCuSb, CS, A1008-B, SPHC, SPCC, TP304/304L, TP316/316L, TP321/321L |
Fabrication Range
| Parameter | Solid Fins (Min-Max) | Serrated Fins (Min-Max) |
|---|---|---|
| Tube OD (mm) | 19-219 | 19-219 |
| Fin Height (mm) | 8-26 | 8-32 |
| Fin Thickness (mm) | 0.8-2.8 | 1-1.6 |
| Fins Density (mm) | 4-20 (250FPM) | 3.3-20 (303FPM) |
| Tube Length (mm) | Up to 18000 | Up to 18000 |
Additional Services: Tube swaging for joint connections, steel spacer rings, combination tubes with both solid and serrated fin types.
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Company
Dellok Yonghui Radiating Pipe Manufacturing Co.,Ltd.
Location
No.18 Tianyue Road,Yanzhou,Jiangsu China
Contact Person
Brian Wanqian