DIN 2391 Standard Small Size high Pressure Fuel Injection Pipe Seamless Steel Pipe

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Product Overview

Description


DIN 2391 Standard Small Size high Pressure Fuel Injection Pipe Seamless Steel Pipe

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Product Description

 

tube steel

 

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German Standard:

Product Name

Executive 

Standard

Specification Range (mm)

Steel Grade

Cold drawn seamless 

precision tube

DIN2391

Φ3~80 x 0.5~8

ST35,ST37.4,ST44,

ST45,ST52

 

Tolerance Table of Steel Tube:

NAME

Scope (mm)

DIN series(mm)

Out Diameter

3-30

±0.08

31-40

±0.15

41-50

±0.20

51-60

±0.25

Wall Thickness

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 & cold rolled

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

Delivery 

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 a controlled 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.

 

 

Company Information

 

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Equipment

 

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Application

 

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Qualification

 

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FAQ

 

 
Are you a trading company or manufacturer?
 
Yes,Changzhou Drake International Trade Co.,Ltd. Was established in 2014, It is an enterprise incorporating industry.
And we have our own factory - Changzhou Chengqi Steel Tube Factory.
http://chengqisteelpipe.en.alibaba.com/
 
2 
How can I get the price?
We usually quote within 24 hours after we get your inquiry by telling us the material, out diameter,
wall thickness length, quantity and application of the steel pipe which you need. If you are very
urgent to get the price, please inform us in email so that we will regard your inquiry priority.
 
3 
How can I get a sample to check your quality?
After price confirmation, you can require for samples to check our quality.
we will provide you the sample for free, however we could only make sure the same material, the
dimension will be much similar as your request but not same. And customer should afford the
charge of shipment.
 
4 
How long can I expect to get the sample?
The samples will be sent to you via express and arrive in 3-5 days.
You can use your own consignee account or prepay us if you do not have an account.
 
5 
What about the lead time for mass production?
Honestly, it depends on the order quantity and the season you place the order.
 
6 
What is the Small Qty Process Charge.
It is the payment for customer whose order qty is less then Min Order Qty. Because small qty of
products should be processed same in the production flow as big qty and the average cost would
get much higher than big ones. So there is a small Qty Process Charge to ensure the profit of our
factory and usually the amount of it is about $250.00
 
7 
Could the pipe be customized for us?
Yes. We are the professional manufacturer which has rich experience in Precision Seamless Steel
Pipe manufacturing.
 
We could print the logo and label under your requirements if you need OEM products. Beside this,
we still do some refined processes like CNC cutting, chamfering, galvanization and tapping, if you
have detailed spec or drawing.Our production lead time is within 30-45 days.
 
8 
What is your terms of delivery?
We accept EXW, FOB, CIF, DDU etc. You can choose the one which is the most convenient or cost
effective for you.
 
9 
Shipping
European Countries: 22-28 days,
The United States: East --13-16 days, West--21-28 days
Brazil: 30-40 days
Russia: 36 days
Japan: 3 days
Please advise your port in you inquiry for quoting, will quote for you specifically

 

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0.0114 s.