Dellok Yonghui Radiating Pipe Manufacturing Co.,Ltd.
| Payment Terms | L/C, T/T Contact us for details |
| Supply Ability | 60000 meters month |
| Delivery Time | Ex-work within 1 month on receipt of order. |
| Packaging Details | Solid fumigated wooden box with tube location racks inside. |
| Straight Tubes Maximum Length: | 35000 mm. |
| Type | Fin Tube |
| Company Type | Manufacturer, Importer & Exporter |
| Leg Length | Min 1 Meter, Max. 16500 mm |
| Heat Treatment | Stress Relieved After U-Bending |
| Fin Tube Type | U Tube Bundles |
| Brand Name | DELLOK |
| Model Number | U Tube |
| Certification | CE. ISO,EN10204. 3.1 Cert. |
| Place of Origin | China |
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Product Specification
| Payment Terms | L/C, T/T Contact us for details | Supply Ability | 60000 meters month |
| Delivery Time | Ex-work within 1 month on receipt of order. | Packaging Details | Solid fumigated wooden box with tube location racks inside. |
| Straight Tubes Maximum Length: | 35000 mm. | Type | Fin Tube |
| Company Type | Manufacturer, Importer & Exporter | Leg Length | Min 1 Meter, Max. 16500 mm |
| Heat Treatment | Stress Relieved After U-Bending | Fin Tube Type | U Tube Bundles |
| Brand Name | DELLOK | Model Number | U Tube |
| Certification | CE. ISO,EN10204. 3.1 Cert. | Place of Origin | China |
| High Light | TP321 Stainless Steel U Shaped Tube ，Superheater Stainless Steel Tubing Elbows ，Superheater U Shaped Tube | ||
Seamless Superheater TP321 Stainless Steel U Shaped Tube
ASTM A213 TP321 / 321H , Seamless Stainless Steel U Bend Superheater Tube
ASTM A213/A213M : Seamless Ferritic and Austenitic Alloy-Steel Boiler, Superheater, and Heat-Exchanger Tubes
U-Bend Tubes are accordance with the Following Standards:
1. ASTM A688/ASME SA688
2. ASTM A803/ASME SA803
3. ASTM A556/ASME SA556
Steel Grade:
| Ferrite | Austenite | Duplex | Super Duplex | Ni-Alloys | Titanium |
| TP410 TP405 S44400 S44660 TP430 | TP304/304L TP316/316L TP316Ti TP317/317L TP321 TP347 | S31803 S32205 S32304 | S32750 S32760 | N06600 N08020 N00880 N08825 N08904 | Gr.2 |
Straight Tubes Maximum Length:
(Before Bending): 35000 mm.
Unit Leg Length
Min 1 Meter, Max. 16500 mm (For Max R=1500mm)
Heat Treatment
Stress Relieved After U-Bending (Bending Area Plus 300MM For Each Leg).
Hydrostatic Test After U Bending
Maximum Test Pressure 600 Bar, Holding time: 10 Sec.
Medium: Dematerialized Water.
Compressed Air Cleaning After Hydro-Test.
Packaging
In Strong Transport-Worthy Pre-fumigated wooden boxes of corresponding dimensions for
each tube Length, Radius, Diameter, According To PO requirements as well as wrapped In polyethylene
films With soft plastic caps on both end of Tube.
General Quality Tests
| Corrosion Test | Conducted only when specially requested by the client |
| Chemical Analysis | Test done as per required quality standards |
| Destructive / Mechanical Testing | Tensile | Hardness | Flattening | Flare | Flange |
| Reverse-bend and Re. flat tests | Carried out in full compliance with relevant standards & ASTM A-450 and A-530 norms, which ensures trouble-free expansion, welding & use at customers end |
| Eddy Current Testing | Done to detect homogeneities in subsurface by using Digital Flaw-mark Testing System |
| Hydrostatic Testing | 100% Hydrostatic Testing carried out according to ASTM-A 450 norms for checking tube leakage, and biggest pressure we can support 20Mpa/7s . |
| Air Under Pressure Test | To check any evidence of air leakage |
| Visual Inspection | After passivation, every single length of tubes & pipes is subjected to thorough visual inspection by trained staff for detecting surface flaws & other imperfections |
Supplementary Testing : Apart from the above mentioned tests, we also carry out on the manufactured products supplementary testing. The tests conducted under this include:
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Our Service:
1. Inquiry-Professional quotation, or send inquiry item more details, we start contact more details
2. Confirm the price, lead time, payment term etc
3. Our sales send the Proforma Invoice with our seal, or you order online to us
4. Customer make the payment for deposit and send us Bank receipt
5. Initial Production Stage-Inform the clients that we have got the payment, and will make the samples according to your request, send you photos or samples to get your approval. After approval, we inform that we will arrange the production & inform the estimated time
6. Middle Production-send photos to show the production line which you can see you products. Confirm the estimated delivery time again.
7. End Production-Mass production products photos and samples will send to you for approval. You can also arrange the third party inspection
8. Clients make payment for balance and ship goods, inform the tracking number and check the status for clients
9. Order can be say "finish" when you receive the goods and satisfy with them
10. Feedback to our about Quality, Service, Market Feedback & Suggestion. And we can do better
Company Details
Business Type:
Manufacturer,Importer,Exporter
Year Established:
2002
Total Annual:
35000-55000
Employee Number:
200~250
Ecer Certification：
Verified Supplier
DELLOK YONGHUI Radiating Pipe Manufacturing Co.,Ltd, was established in 2003, which is located in Jiangsu, China.We joined HARBIN AIR CONDITIONING CO., LTD.and became the most professional industry manufacturer in China., international bussiness more than 20 years, with it serves in the oil ref... DELLOK YONGHUI Radiating Pipe Manufacturing Co.,Ltd, was established in 2003, which is located in Jiangsu, China.We joined HARBIN AIR CONDITIONING CO., LTD.and became the most professional industry manufacturer in China., international bussiness more than 20 years, with it serves in the oil ref...
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