Dellok Yonghui Radiating Pipe Manufacturing Co.,Ltd.
Dellok YONGHUI TECH Co.,Ltd. Dellok Yonghui Radiating Pipe Manufacturing Co.,Ltd.
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316L SMLS Air Cooling 50.8mm Stainless Steel Seamless Tubes
TP316 / 316L SMLS Stainless Steel , OD19X2WT LL Type Air Cooling Fin Tube
ASTM A213 / A213M : Seamless Ferritic and Austenitic Alloy-Steel Boiler, Superheater, and Heat-Exchanger Tubes
ASTM A312/ A312M : Seamless, Welded, and Heavily Cold Worked Austenitic Stainless Steel Pipes
ASTM A269/ A269M :Seamless and Welded Austenitic Stainless Steel Tubing for General Service
| Product Details | |
| Tube details: | Tube OD: 16mm Min~50.8mm max. |
| Tube Length: 18,000mm max. | |
| Fin Height: 16.5 mm max. | |
| Fin Thickness: generally 0.4mm ~0.6mm | |
| Fin Pitch: 2.1 mm (12FPI) min. | |
| Production Capacity: | Daily capacity up to 5000 meters; |
| Fin type: | Solid plain |
Manufacturing process:
The fin strip (normally aluminum and copper) is folded into an L SHAPE and wound onto the base tube surface under tension. The feet of the fins are joined together and cover the finned surface
Surface Protection
Both bare ends shall be Zinc or Aluminum metalized applied by an electro spray arc system coating.
Acceptance Criteria
API Standard 661(Air-Cooled Heat Exchangers for General Refinery Service) or the delivery conditions (TDC).
Accessories
Tube Support Box, Clamp or Spacer Box (Material: Aluminum, Zinc and Stainless Steel).
Delivery Condition
Tube ends are square cut, free burrs, internally dried and air blown clean, externally coated with varnish at both ends of LL Type Tension Wound Finned Tube.
Packing:
The desiccants are put into each package for continental transportation as well.
Applications:
The common application fields are:
Heat exchangers units for power plant(electric, nuclear, thermal and geothermal power plants);
High corrosive systems (condensers, evaporators, sea water desalinations, fertilizing, urea systems, ammonia, gas, corrosive acids);
The petroleum, chemical and petrochemical industries;
The food processing and refrigeration industries;
Natural gas treatment;
Specifications:
LL Type Tension Wound Tube is combined with two different materials.
| Items | General Materials | Popular ASTM Materials |
| Core Tube Material | Carbon steel, low-alloy steel, stainless steel, brass, copper, cooper-nickel alloys, aluminum bronze, nickel alloys. | 1. Carbon Steel: A179, A192,SA210 Gr A1/C,A106 Gr B 2. Stainless Steel: TP304/304L,TP316/TP316L 3. Copper:UNS12200/UNS14200/UNS70600, CuNi70/30,CuNi 90/10 4. Titanium: B338 Gr 2 |
| Fins Material | Aluminum & Copper. | 1. Aluminum(Alu.1100,Alu.1060) 2. Copper. |
| All dimensions are in Inches and specification upon your requests. | |||
| Tube OD | Fin Height | Fin Thickness | Fins per Pitch |
| 5/8 | 3/8,1/2 | .015/.016/ .020 | 6, 7, 8, 9, 10, 11, 12 |
| 3/4 | 5/8,1/2 | .015/.016/ .020 | 6, 7, 8, 9, 10, 11, 12 |
| 1 | 5/8,1/2 | .015/.016/ .020 | 6, 7, 8, 9, 10, 11, 12 |
| 1 1/4 | 5/8,1/2 | .015/.016/ .020 | 6, 7, 8, 9, 10, 11, 12 |
| 1 1/2 | 5/8,1/2 | .015/.016/ .020 | 6, 7, 8, 9, 10, 11, 12 |
| Pease email us for more information. | |||
Our Service:
1. Inquiry-Professional quotation, or send inquiry item more details
2. Confirm the price, lead time, payment term etc
3. Proforma Invoice send or online
4. Make the samples according to your request, send you photos or samples, arrange the production
5. Send the production line photos Confirm the estimated delivery time again.
6. End Production-Mass production products photos and samples will send to you for approval.
7. Inform the tracking number and check the status for clients
8. Order can be say "finish" when you receive the goods and satisfy with them
9. Feedback to our about Quality, Service, Market Feedback & Suggestion. And we can do better
