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Precision Cold Drawn Steel Tube DIN 2391 Hydraulic Cylinder Pipe

Minimum Order Quantity : 1 Ton Price : Negotiated
Packaging Details : in hexagon packing Delivery Time : 25-35 Days
Payment Terms : L/C, D/A, D/P, T/T, Western Union, MoneyGram Supply Ability : 500 tons
Place of Origin: China Brand Name: TORICH
Certification: ISO,CE Model Number: DIN2391

Detail Information

Product Name: Precision Cold Drawn Steel Tube DIN 2391 Hydraulic Cylinder Pipe WT: 0.5-8mm
Standard: Din2391 EN10305-1 Shape: Round Shape
Usage: Hydraulic Cylinder Surface Finish: Oiled
OD: 4-76mm Package: Hexagonal Packing
High Light:

Cold Rolled Hydraulic Cylinder Honed Tube

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St52.4 Hydraulic Cylinder Honed Tube

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Din2391 Hydraulic Cylinder Honed Tube

Product Description

Precision Cold Drawn Steel Tube DIN 2391 Hydraulic Cylinder Pipe

TORICH has been worked for precision cold drawn steel tube industry like DIN 2391 over 20 years, with rich experience in export.

 

1.Product information of DIN 2391 precision cold drawn seamless steel tube:

Hydraulic steel tube
Standard   Material Delivery Surface Sizes
DIN 2391/1630/2445 ST37.4 ST52.4 NBK

1) BA

2) 2)Black phosphating 3) Galvanizing

OD 2 -60mm × WT0.3 -10mm
EN 10305-4 E235 E355 (+)N  
BS 3602 CFS 360   Zinc Layer thickness more than 8um

Other steel grades also available upon request

 

2. Size range:

OD:2-60mm

Wall thickness:0.3-10mm

Length:Max 13000mm


3. Delivery condition:

The tubes can be produced in the following delivery conditions:

BK (+C) Cold finished/hard (cold finished as drawn).

No heat treatment after the last cold forming process.

 

BKW (+LC) Cold finished/soft (lightly cold worked)

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

 

BKS (+SR) Cold finished/stress relieve annealed.

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

 

GBK (+A) Annealed.

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

 

NBK (+N) Normalized. (Mainly focus on)

After the final cold forming process the tubes are annealed above the upper transformation point in a controlled atmosphere

 

4. Main feature of our precision cold drawn steel tube:
High precision
Excellent brightness
No oxidization on outer and inner walls after heat treatment
High cleanness of inside wall
High pressure
No deformation after clod bending
No crack after flaring and flattening
Color : Gray with white

 

QUALITY CONTROL:
1. Incoming Raw Material Inspection
2. Raw Material Segregation to avoid steel grade mix-up
3. Heating and Hammering End for Cold Drawing
4. Cold Drawing and Cold Rolling, on line inspection
5. Heat Treatment, +A, +SRA, +LC, +N, Q+T
6. Straightening-Cutting to specified length-Finished Measuring Inspection
7. Machanical Testing in own labs with Tensile Strength, Yield Strength, Elongation, Hardness, Impact, Mictrostruture etc
8. Packing and Stocking

 

5.Application:

Hydraulic system

Automobile

 

6.Product display from mill:

precision cold drawn steel tubeprecision cold drawn steel tube

 

7. FAQ

Q: Are you trading company or manufacturer ?
A: A professional steel pipes materials inventor, manufacturer and solution provider
Q: How long is your delivery time?
A: Generally it is 7-14 days if the goods are in stock. or it is 30-60 days if the goods are not in stock, and it is according to quantity.
Q: Do you provide samples ? is it free or extra ?
A: Yes, we could offer the sample for free charge but you need to pay the cost of freight.
Q: What is your terms of payment ?
A: Payment<=1000USD, 100% in advance. Payment>=1000USD, 30% T/T in advance , balance before shippment.
If you have another question, pls feel free to contact us


 

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