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DELLOK Internal Rib Condenser Seamless DIN1629 Low Carbon Steel Tube

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DELLOK Internal Rib Condenser Seamless DIN1629 Low Carbon Steel Tube
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German Standard: DIN17175 / DIN1629
Thickness: Appr. 0.3mm
Origin: China
Height: 1.2 Mm ~2.77mm
Length: 18 Meters Max.
Tube OD: 12.7 Mm~25.4mm
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DIN1629 Low Carbon Steel Tube


18m Carbon Steel Tube


18m Carbon Seamless Pipe

Basic Infomation
Place of Origin: China
Brand Name: DELLOK
Certification: CE. ISO,EN10204. 3.1 Cert.
Model Number: Reliance
Payment & Shipping Terms
Packaging Details: (1) All integral low fin tubes are packed in hexagonal bundles. (2) Steel frame case sealed by plywoods; 3: Solid fumigated seaworthy wooden box.
Delivery Time: Ex-work with 1 month after order.
Payment Terms: L/C, T/T Contact us for details
Supply Ability: 60000 meters month
Product Description

Internal Rib Condenser Seamless DIN1629 Low Carbon Steel Tube

CuNi70/30 , CuNi90/10 , 26FPI With Internal Rib Condenser Low Fin Tubes​



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

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.


​The Integral Low Finned Tubes find the preference in the following industrial sectors:

  1. Heating systems
  2. Ventilation systems
  3. Refrigeration and climate control systems
  4. Mechanical engineering
  5. Automotive manufacturing
  6. Chemicals and pertrochemical and power plant technology
Product Details
Material: Carbon Steel,Stainless Steel, Brass,copper Etc…
Fin details: Thickness: appr. 0.3mm
Height: 1.2 mm ~2.77mm
Length: 18 meters max.
Pitch: 30 FPI /28 FPI/ 26 FPI/ 36 FPI /43 FPI
OD: 12.7 mm~25.4mm

More Carbon Steel Tube Materials Sheet We're Supplying:

Chinese Standard Steel Grade/ No. American Standard Steel Grade/ No.




GB9948 10,20,12CrMo,15CMo ASTM A53 GR.A,B
GB3087 10,20 ASTM A192  
    ASTM A179  
    ASTM A210 A-1,C
    ASTM A333 GR.1,GR3,GR6
    ASTM A334 GR.1,GR3,GR6
    ASTM A209 T1, Ta, Tb
German standard Steel Grade/ No. Japanese standard Steel Grade/ No.
DIN17175 ST35.8, ST45.8 JIS G3454 STPG370,STPG410
DIN1629 ST37.0, ST44.0, ST52.0 JIS G3461 STB340, STB410, STB440
British Standard Steel Grade/ No. European standard Steel Grade/ No.
BS3059-Ⅰ 320 EN10216-1 P195TR1/TR2,P235TR1/TR2,
BS3059-ⅡS1/S2; TC1/TC2 360,440, EN10216-2



Data sheet of Low Fin Tubes

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 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



DELLOK Internal Rib Condenser Seamless DIN1629 Low Carbon Steel Tube 0DELLOK Internal Rib Condenser Seamless DIN1629 Low Carbon Steel Tube 1DELLOK Internal Rib Condenser Seamless DIN1629 Low Carbon Steel Tube 2

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Contact Person : Pax Yang
Tel : +862569521609
Fax : 86-25-6952-5709
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