Cangzhou Datang Steel Pipe Co., Ltd located in Cangzhou City,the hometown of pipelines, is a collection of research and development, production, sales in one of the enterprises.
The company was founded in 2007 with registered capital 10.08 million RMB, and through the IS09001 international quality system certification.
We has high frequency resistance welding finned tube production line 18, extruded finned tube equipment 30, laser welding finned tube production line 2, wound finned tube production line 12.
Production quality has always been at the top of our priority list.
Our workshops are equipped with advanced processing and testing instruments including the X-ray detector, ultrasonic flaw detector, hydrostatic testing machine, tensile testing machine, metallographic analysis meter, etc.
The quality consistency of our products has passed the rigorous inspection of organizations such as TUV, DNV, BV, SGS. A high degree of accessibility and superior communications allow us to export products with great efficiency.
We maintain a strong market presence in countriesand regions including Malaysia, Thailand, South Korea, Kuwait, Indonesia, Chile, Mexico, Singapore, Taiwan, etc.
Welcome to visit our factory and looking forward to cooperate with you.
| Type |
Description |
Base tube |
Fin specification (mm) |
| O.D. (mm) |
Fin pitch |
Fin height |
Fin thick |
| Embedded |
G-type fin tueb |
16-63 |
2.1-5 |
<17 |
~0.4 |
| Extruded |
Single metal combined metal |
8-51 |
1.6-10 |
<17 |
0.2-0.4 |
| Low fin tube t-type fin tube |
10-38 |
0.6-2 |
<1.6 |
~0.3 |
| Bamboo tube corrugated tube |
16-51 |
8-30 |
<2.5 |
/ |
| Wound |
l/kl/ll type fin tube |
16-63 |
2.1-5 |
<17 |
~0.4 |
| String |
String fin tube |
25-38 |
2.1-3.5 |
<20 |
0.2-0.5 |
| U-type |
U-type tube |
16-38 |
/ |
/ |
/ |
| Welding |
HF-welding fin tube |
16-219 |
3-25 |
5-30 |
0.8-3 |
| H/HH type fin tube |
25-63 |
8-30 |
<200 |
1.5-3.5 |
| Studed fin tube |
25-219 |
8-30 |
5-35 |
φ5-20 |
ADVANTAGES
One-stop manufacturer shop from core tube supply to fin tube machines;
ISO 9001:2008 certified company;
Experienced and dedicated management;
Quick response, competitive price, highest quality and shortest schedule;
Tube stock availability for general grades of carbon steel and stainless steel;
Technical support services for fin tube machines and replacement accessories;
FINNED TUBES PRODUCTS & SERVICES AVAILABLE
1.Mechanical-forming thermal-transfer tubes
DR type-Extruded high fin tube (Solid and Serrated fins);
L type-wrap-on spiral fin tube;
LL type-Overlapped footed spiral fin tube;
KL&KLM type-wrap-on knurled footed fin tube;
G base type-Embedded fluted fin tube;
FL-integral low fin tube (knurled option);
I type-Crimped spiral fin tubes;
Corrugated tube,spiral tube, helical slot tube;
2.Welding-forming thermal-transfer tubes
HFW type -ERW High frequency resistance welding fin tube(Solid & Serrated Fins);
H/HH type -DC welding square or rectangular fin tube;
Studs type -ERW studded tube/Pipe;
Longitudinal welding fin tube (Type: standard ,perforated, cut & twist);
Single Row Flat Finned Tube & Elliptical Finned Tubes;
3.Others service on request
Elbows, Bends,U-tube,Tube Swaging;
Tube Support/Spacer Box Mat,SS, Alu,Galvanized/Zinc;
X-Ray for butt welding;
Turbulators;
High Frequency Welded Fin Tube Specifications:
| Product Specification |
| Tube OD |
16~273 (mm) |
3/8"~10"(NPS) |
| Tube Wall Thk |
2~28.6 (mm) |
0.08"~1.1" |
| Tube Length |
≤28,000 (mm) |
≤92 ft |
| Fin Thk |
0.5~3.5 (mm) |
0.02"~0.14" |
| Fin Height |
8~35 (mm) |
0.31"~1.3" |
| Fin Pitch |
3~333 FPM |
1~8 FPI |
| Fin Type |
Solid, "U"or"V" Serrated |
| Material Combinations |
| Fin Material |
C.S. (most common grade: 08F) |
| S.S. (most common grade are AISI 304, 316, 409, 410, 321,347,2205) |
| A.S. |
| Tube Material |
C.S. (most common grade: A106 Gr.B) |
| S.S. (most common grade are TP304,316, 321, 347) |
| A.S. (most common grade are T/P5,9,11,22,91) |
Applied
Temperature |
500°C |
| Type of Service |
High temperature |
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