Srb Seamless Pipe

Srb Seamless Pipes Introduction Srb Seamless 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...
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Product Details

Srb Seamless Pipes Introduction

Srb Seamless 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.

Srb Seamless 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

Deep hole

boring- skived

320-400

7M

0.2-0.3

H8-H9

±8%

≤0.4

Hydraulic Cylinder Srb Tube.jpg

Our Advantages

a. Extensive production experience: we are specialized in honed tubes, skived tubes, cold drawn pipe, and chrome bar with an experience of 20 years.

b. Complete production facilities: owning cold drawn machine, skived and roller burnished machine, honing machine, precision centerless grinding machine, straightening machine, fine polishing machine, precision lathe, milling and drilling machine, roller press and other advanced equipments. Our technicians will do regular scheduled maintenance on these machines to guarantee them work well.

c. High quality raw material: we mainly choose raw material from big steel factory, such as AN STEEL, TPCO, BAO STEEL, SHA STEEL, which are best and largest raw material manufacturer in China.

d. Strict Physical/Chemical testing procedures: meeting the requirements of the product design and process, providing reliable testing data.

e. Short Delivery time: Usually one container 20 days. We also stock some standard-sized tubes and bars.

f. Safe packing: anti-rust oil be spread on tubes and bars before shipping, plastic caps on tube ends to protect inside surface, each bar be protected with cardboard tube.

Production process

Raw material – annealing for material of 45#, 27SiMn, 25Mn – Acid cleaning – parkerizing & Saponifying – cold drawn – leveling – saw off bad section – stress relieving – leveling –honing or skiving – inspection – oiled plated - packing

Production Process(001).jpg

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