DELLOK EN 10204 TP304 TP316L Stainless Steel Length 18m Low Fin Tubes

TP304 TP316L Stainless Steel Length 18m Low Fin Tube

TP304 / TP304L , TP316 / TP316L , Austenitic Stainless Steel Corrugated Low Fin Tube​

Introduction:

The fins are rolled out of outer wall of the plain tubes by a pass roller. Tubes and fins are in same piece tube. We call it “N” fin type. All integral low fin tube quality is assured by hydrostatic or pneumatic tests, eddy current tests & MARCO tests in order to verify design specifications. The acceptance certification include WOLVERINE / HPT / GEWA-K & GEWA-KS

Delivery:
We can provide the integral low fin tubes with un-finned section gaps( 5mm Min.) in the middle of core tube OR bent with designed Bend Radius. The desiccants are put into the each package for continental transportation.

Applications:

It has many uses such as heating systems, Ventilation systems, Refrigeration and climate control systems, Mechanical engineering, Automotive manufacturing and Chemicals and pertrochemical and power plant technology​

Tube Materials:
ASTM A213 / A213M :Seamless Ferritic & 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

Plain tube (mm)	Finned section dimensions (mm)				Ratio	De
D×t	Tp	dd	dr	di	η	mm
19×2	0.8	18.8	17	134	2.8	17.9
19×2	1	18.8	16.8	13.4	2.5	17.8
19×2	1.25	18.8	16.6	13	2.2	17.8
19×2	1.5	18.8	16.6	13	2	17.7
19×2	2	18.8	16.4	13	1.7	17.5
25×2.5	0.8	24.8	23	18.8	2.8	23.9
25×2.5	1	24.8	22.6	18.8	2.75	23.7
25×2.5	1.25	24.8	22.3	18	2.5	23.6
25×2.5	1.5	24.8	22.3	18	2.2	23.5
25×2.5	2	24.8	22	18	1.8	23.4
25×2.5	2.5	24.8	22	18	1.6	23.3
D------Outside diameter of plain end section Dof----Diameter of top fins Dr-----Root diameter of finned section Di-----Inside diameter of finned section T------Wall thickness of plain end section Tp-----Fin pitch De----Equivalent diameter of finned tube L------Plain tube end length
Please email us for more information.

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 habe 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

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 refinery, petrochemical industry, chemical industry, heat ex-changer industry, anti-corrosion engineering and environmental protection etc.. Our main products include pipe, tubes,  U bend tube, finned tube and pipe fittings made of Carbon Steel, Stainless Steel, Copper & Copper Alloy, Titanium, Inconel & Incoloy, Aluminium Alloy and so on.

Dellok Yonghui has successfully achieved this by offering our clients a range of high quality, environment friendly products from a diverse list of reputable, international principals, that sell by their own merit. By maintaining close contacts with our clients and providing dedicated technical support in time, we continue to meet and at times, exceed our clients' expectations. With an objective to provide piping material and tower packing to the oil and petrochemical industries, we strictly carry out a series of quality control measures and material control. The raw materials are purchased from well known, local famous mills such as TPCO, Tisco, Baosteel, Valin Group, Wuyang Steel and Luoyang Copper,..etc . We greatly value the repeat orders from commendable references and above all, the trust of our valued clients earned over the years. Our products are well accepted by customers from many countries

Due to our excellent quality, reliable performance and reasonable prices, we've established long-term relationships with our customers. Being the far-sighted and with a development vision of internationalization, Dellok Yonghui will always sticks to the idea of pursuit of value & cooperation is based on mutual benefits". We warmly welcome friends from all over the world to give counsel for development, and sincerely hope the realization of close cooperation on each field.

Quality is the theme of eternal pursuit of winner

- Production workshop-

Meticulous works, standardized management system and systematic quality assurance are Dellok Yonghui's best commitment to quality. In Dellok Yonghui, the quality control is not only the detection of the final process, but throughout the entire production process. We implement a set of quality control and assurance systems. Each batch of pipes is sampled and tested, and records are kept as a quality guarantee for the final product.

- Production process-

Quality reflects Dellok's strength, outstanding quality rejects mediocrity, each set of advanced equipment and each unique process condenses the spirit of excellence of Dellok Yonghui people. Dellok Yonghui deeply understands that only near-perfect products can realize the core connotation of Dellok's commitment to "achieve your value" , which guarantees your interests and values.

- Quality Control-

In order to ensure that the quality exceeds the standard, Dellok Yonghui has perfect product management monitoring equipment in the facility, mainly including advanced equipment such as spectrometer, material testing machine, thermal performance tester, and water pressure and air pressure testing machine, Webster hardness meter and so on.

- Perseverance and trust-

Dellok products are widely used in petroleum, chemical, natural gas, metallurgy, electric power, grain and oil machinery, food freezing and automobile industries. High-quality products and perfect after-sales service have been praised, favored and supported by users in China and abroad. Dellok Yonghui promises that we regard customers' needs and opinions as work goals, and serve customers with a conscious behavior and potential consciousness at the base of 100% sincerity, quality, and service. Dellok Yonghui has now developed into a professional manufacturing enterprise integrating scientific research, manufacturing and sales. Dellok people will, as always, use advanced high-tech products and dedicated business philosophy to serve the whole society.

Inheritance and innovation are the driving force for progress

Choosing Dellok Yonghui is choosing quality assurance.

Choosing Dellok Yonghui is choosing to make extraordinary.

Let's go ahead together with Dellok Yonghui.

Contact:Brian Wanqian.

T:+86 13761381662 (Whatsap,Wechat,)

M:dellok@fins-tubes.com