Seamless Hydraulic Srb Pipe

  • Description
Product Detail

Seamless Hydraulic Srb Pipes Introduction

Seamless Hydraulic Srb Pipes are presicion tubes with smooth inside , they also could be skived and burnished pipe. Tubes or pipes inside tolerance could be H10, H9 or H8. Outside tolerance, wall thickness tolerance are 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. IF you are looking for seamless cold drawn honed tubes or SRB tubes for hydraulic cylinder pipes or pneumatic cylinder tubes, please contact us without any hesitation.

Seamless Hydraulic Srb 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, oiled inside, 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

Cold Drawn Hydraulic Cylinder Tube.jpg

Chemical Properties:

Material

C%

Mn%

Si%

S%

P%

20#

0.17-0.23

0.35-0.65

0.17-0.37

=0.035

=0.035

ST45

=0.21

=0.4

=0.35

=0.025

=0.025

E255

=0.21

0.4-1.1

=0.35

=0.025

=0.025

45#

0.42-0.50

0.50-0.80

0.17-0.37

=0.035

=0.035

Q345B

=0.20

=1.70

=0.50

=0.035

=0.035

E355

=0.22

=1.6

=0.55

=0.025

=0.025

ST52

=0.22

=1.6

=0.55

=0.04

=0.04

25Mn

0.22-0.29

0.70-1.0

0.17-0.37

=0.035

=0.035

27SiMn

0.24-0.32

1.10-1.40

1.10-1.40

=0.035

=0.035

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.

3. We inspect the honed tube inside tolerance and surface again one by one after honing or skiving.

Our Advantage

1. We has two factories of 40000 square meters and totally 150 employees to promise the Honed Tubes In Stock best quality control;

2. According to the cylinder pressure and inside diameter size ,different hydraulic cylinder honed tube Would be choosed ;

3. Our motivation is --- customers’ satisfaction smile;

4. Our believing is --- pay attention to every detail;

5. Our wish is ----perfect co-operation.

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To:  

Wuxi Hengtong Petrolic Machinery Co.,Ltd

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