Precision Cold Drawn Round Oil Pipeline Tubing , Carbon Iron Tubing En10305

Precision Cold Drawn Round Oil Pipeline Tubing , Carbon Iron Tubing En10305


Negotiable Min Order Quantity Unit

Required Quantity
Place of Origin
China
Payment Terms
D/A,D/P,L/C,MoneyGram,T/T,Western Union
Production method
Negotiable
Shipping / Lead Time
Negotiable / Negotiable
Keyword
seamless alloy pipe, seamless alloy steel pipe, seamless aluminum tube, oil pipeline
Category
Steel Pipes
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Changzhou Chengqi Steel Pipe Factory

Membership
BIZ
Country / Year Established
China China /
Business type
Manufacturer
Verified Certificate

8

Product name Precision Cold Drawn Round Oil Pipeline Tubing , Carbon Iron Tubing En10305 Certification -
Category Steel Pipes Ingredients -
Keyword seamless alloy pipe , seamless alloy steel pipe , seamless aluminum tube , oil pipeline Unit Size -
Brand name - Unit Weigh -
origin China Stock -
Supply type - HS code -

Product Information

 

editorimg 

German Standard:

ProductName

Executive

Standard

SpecificaitonRange (mm)

SteelGrade

Cold drawn

seamless

precisiontube

DIN2391

3~80 x0.5~8

ST35,ST37.4,ST44,

ST45,ST52

 

 

Tolerance Table of Steel Tube:

NAME

Scope(mm)

DINseries(mm)

OutDiameter

3-30

±0.08

31-40

±0.15

41-50

±0.20

51-60

±0.25

WallThickness

0.5-8

±10%

 

 

 

Mechanical Property: 

Standard

 Steel Grade

Mechanical Performance

GBK(+A)

NBK(+N)

Tensile

Strength

(Rm mpa)

Elongation

rate

(A5 %)

Tensile

Strength

(Rm mpa)

Yield

Strength 

(Reh mpa)

Elongation

rate

(A5 %)

DIN 2391

St35 

≥315

≥25

346-478

≥235

≥25

St37

≥315

≥25

346-478

≥235

≥25

St37.4

≥315

≥25

346-478

≥235

≥25

St45

≥390

≥21

440-570

≥255

≥21

St44

≥390

≥21

440-570

≥255

≥21

St52

≥490

≥22

490-630

≥355

≥22

 

Other Specification:

 

End Shape

Beveled end, plain end, vanished, or adding plastic caps to protect the two ends as per customer's requirements

Surface 

Treatment

Oiled, Galvanized, Phosphate etc

Technique

Cold drawn

Application

1. Automotive and mechanical pipes

2. Petroleum cracking pipes

3. High Pressure Boiler Pipe

4. Low and middle pressure fluid transportation pipeline

5. Chemical fertilizer equipment pipes

6. Heat exchanger pipes

very 

Conditions

1. BK (+C) 

No heat treatment after last cold forming process.

2. BKW (+LC)

After last heat treatment there is a light finishing pass (cold drawing)

3. BKS (+SR)

After the final cold forming process the tubes are stress relieve annealed.

4. GBK (+A)

After the final cold forming process the tubes are annealed in a controlled atmosphere.

5. NBK (+N)

After the final cold forming process the tubes are annealed above the upper transformation point in acontrolled atmosphere. 

Package

1. Bundle Packing.

2. Plain end or vanished as per customer's request.

3. Wrapped in waterproof paper.

4. Sackcloth with several steel strips.

5. Pack in heavy tri-wall boxes.

 

 

B2B Trade

Price (FOB) Negotiable transportation -
MOQ Negotiable Leadtime Negotiable
Payment Options D/A,D/P,L/C,MoneyGram,T/T,Western Union Shipping time Negotiable

Changzhou Chengqi Steel Pipe Factory

Country / Year Established
China China /
Membership
BIZ
Business type
Manufacturer

8

President
Zhou
Product Category
Other Minerals & Metallurgy Products,Steel Pipes
No. of Total Employees
51-100
Company introduction

Changzhou Chengqi Steel Pipe Factory Was established in 2006, It is an enterprise incorporating industry and trade. We have our own foreign trade platform - Changzhou Drake International Trade Co.,Ltd. . Chengqi and Drake are located in Wujin District, Changzhou City, Jiangsu Province,China. Where is Yangtze Rive Delta Economic Development Zone and nearby Hu-Ning Railway, the Changzhou port, the Zhangjiagang port, the Shanghai Port. And the national Highway. The convenient transportation, developed commercial law enable it to be first choice place for foreign friends all over the world to find business opportunities in China.
    With 8 years efforts, Chengqi has developed into the leader manufacturer of precision steel pipes, covering 20000 square meters, including 10000 square meters of constructed area. “Small but professional ” is the development direction and ultimate aim of Chengqi Factory, and our products mainly include the following four series:
    1、DIN series cold-drawn precision steel pipes: are mainly applied in Engineering Hydraulic System, High-pressure Oil System, Automotive Air-conditioning System, Automotive Power Steering System, Automotive Braking System, and so on
    2、DIN high precision galvanized steel pipe: This kind steel pipe is widely used in the field of high requirements for brightness, cleanness and non-corrosibility, such as automotive industry.
    3、DIN high precision galvanized steel pipe: This kind steel pipe is widely used in the field of high requirements for brightness, cleanness and non-corrosibility, such as automotive industry.
    4、High precision cold-rrolled seamless steel pipes:are mainly used for producing Gas Spring, Automotive Shock Absorber Cylinder, Hydraulic Oil Tank, and so on.
    “Dedication leads to profession”, Chengqi Factory emphasizes on the modeling of enterprise image and the accumulation of intangible assets. Depending on the advanced business management and high quality products, Chengqi obtained ISO9001:2008 quality management system certificate in year 2010.
 

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