Seamless Cold Drawn Steel Pipe

Seamless Cold Drawn Steel Pipe

Seamless Cold Drawn Steel Pipe Introduction Cold drawn steel pipe is produced according to seamless cold drawn tubes for precision application standard GB/T3639-2009 , EN10305 or DIN2391 standard. Material SAE1020, 20#, ST45, CK45, ST52, E355 tubes and so on for you to choose. ID and OD...
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Product Details

Seamless Cold Drawn Steel Pipe Introduction

Cold drawn steel pipe is produced according to seamless cold drawn tubes for precision application standard GB/T3639-2009 , EN10305 or DIN2391 standard. Material SAE1020, 20#, ST45, CK45, ST52, E355 tubes and so on for you to choose.  ID and OD tolerance could be decided by customer. IF you are looking for seamless cold drawn pipe for hydraulic cylinder pipes or pneumatic cylinder tubes, please contact us without any hesitation.

Seamless Cold Drawn Steel Pipe Technical Parameters and Details

Application: hydraulic cylinder, pneumatic cylinder, oil cylinder, telescopic cylinder.

Original: Jiangsu, China

Certification: ISO9001.

Material: SAE1020, 20#, ST45, CK45, ST52, E355

Payment term: TT, LC

Delivery date: usually 20 to 40 days.

Packing: packed in bundle, with caps on both ends.

Market: Middle East/ Africa/Asia/South America/Europe/North America

MOQ:  Depends on exact size and material.

Size and Tolerance:

Working

method

Cylinder ID (mm)

Length

(m)

Straightness

(mm/m)

Tolerance

on ID

Tolerance

on WT

Roughness

(μm)

Cold drawn

40-320

≤12M

0.2-0.5

/

±5%

0.8-1.6

Cold rolling

30-100

≥12M

0.2-0.5

/

±5%

0.8-1.2

cold drawn-

honed

40-500

8M

0.2-0.3

H8-H9

±5%

0.2-0.8

Cold drawn-skived

40-400

7M

0.2-0.3

H8-H9

±5%

≤0.4

Deep hole

boring- honed

320-400

8M

0.2-0.3

H7-H9

±8%

≤0.8

Deep hole

boring- skived

320-400

7M

0.2-0.3

H8-H9

±8%

≤0.4

Hydraulic Cold Drawn Tube.jpg

Mechanical Properties:

Final Supply
     Condition

Cold finished
     (Hard)(BK)

Cold drawn and stress-relieved (BK+S or + SR)

Hardness HB

Parameters

T.S
     obN/mm2

Elongation
     δ5%

T.S
     obN/mm2

Y.S
     OsN/mm2

Elongation
     δ5%

20# (A106B, ST45, E255)

≧550

≧8

≧520

≧375

≧12

175

45#(CK45)

≧650

≧5

/

/

/

207

Q345B(ST52, E355)

≧640

≧5

≧600

≧520

≧15

190

25Mn

≧640

≧5

≧600

≧510

≧15

195

27SiMn

≧840

≧5

≧800

≧720

≧10

230

Quality control

1. We only buy raw material from famous tube factory, and Checking raw material quality before production.

2. We check the tube ID tolerance, OD tolerance and surface after cold drawn one by one.

Our services

Pre-sale services: 

1. Providing professional technical support. 
2. Send the product catalog and instruction manual. 
3. If you have any question PLS contact us online or send us email, we promise we will give you a reply at the first time! 
4. Personal call or visit are warmly welcome. 

Sale of services: 
1. We promise honest and fair, it's our pleasure to serve you as your purchasing consultant. 
2. We guarantee punctuality, quality and quantities strictly implement the terms of contract... 

After-sales service: 
1. Where to buy our products for one year warranty and life long maintenance. 
2. 24-hour telephone service. 
3. A large stock of components and parts, easily-worn parts. 

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