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Hydraulic Pneumatica Cylinder Tube E355 Car Using Seamless Tube
Mar 31, 2017

Product of Carbon Tube

1.seamless steel pipe

we can provide various specifications of seamless pipe, also can be customized for your size with different material.

2.cold drawn pipe/cold rolled steel tube

cold finished steel tube can change the OD, ID, Wall Thickness and roughness you need.

3.honed tube/SRB steel tube

this kind tube can be directly used for hydraulic cylinder, with betther inner roughness which can be up to ra0.4.

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Technique  and Tolerance of carbon tube

 

Working Method

Range

Size of ID

Tolerance

ID tolerance

WT(mm)

Ovality

Curvature

H8

H9

H10

Cold Drawn

25-250

>30-50

+0.0390

+0.0620

+0.1000

±5% to 7.5%

ID>210mm

±10%

≤0.10-0.20

0.3

Cold rolling

25-150

>50-80

+0.0460

+0.0740

+0.1200

Cold drawn-hone

40-250

>80-120

+0.0540

+0.0870

+0.1400

Cold drawn-SRB

50-250

>120-180

+0.0630

+0.1000

+0.160

Cold drawn-polish

40-250

>180-250

+0.0720

+0.1150

+0.1850

Cold drawn-polish-SRB

50-250

Other size and technique parameter upon request