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Hydraulic Steel Tubing

3 125

 hydraulic steel tubing 

processing form : cold-drawn,cold-rolled,hone,SRB 
seamless steel tube for hydraulic and pneumatic use. 
hydraulic steel tubing

Outer diameter :38mm-325mm

 Wall thickness:1.5mm-50mm

 Standard:GB/T17396-1998

 Material:27SiMn.

 Application:Hydraulic support, hydraulic prop

 Packing:Caps on two ends ,wrapped with strong steel strip ,or according to the customers'requirements.

Hydraulic Steel Tube 
Precision: H8, H9, H10 
Processing form: Cold-drawn, Cold-rolled, Hone, SRB

 Hydraulic Steel Tube

Seamless steel tube for hydraulic and pneumatic cylinder use

Processing mode

Diameter

Length

Linearity

Precision

Roughness of inner hole

Cold rolling

30-100

≤12M

0.3-1.0

H8-H10

0.4-1.6

Cold drawn

30-250

≤12M

H8-H10

0.8-1.6

Grinding

40-500

≤12M

1000

H8-H9

0.4-0.8

Rolling

40-400

≤7M

H8

0.4

 

Mechanical performance

 

Hydraulic Steel Tubing

 

Model

Item

Cold drawn (rolling) tube

metallic cut pipe

20

Intensity of tensionσbN/mm2

≥510

≥390

Elongation rate δ5%

≥5

≥20

45

Intensity of tension σbN/mm2

≥647

≥590

Elongation rateδ5%

≥4

≥4

16Mn

Intensity of tensionσbN/mm2

≥640

 

Elongation rateδ5%

≥10

 

27SiMn

Intensity of tensionσbN/mm2

≥840

 

Elongation rateδ5%

≥7.5

 

 Size tolerance

Inner diameter

 

warp of wall thickness

H8

H9

H10

30

+0.033

0

+0.052

0

+0.084

0

±5%

30-50

+0.039

0

+0.062

0

+0.100

0

50-80

+0.046

0

+0.074

0

+0.120

0

80-120

+0.054

0

+0.087

0

+0.140

0

120-180

+0.063

0

+0.100

0

+0.160

0

180-250

+0.072

0

+0.115

0

+0.185

0

250-315

+0.081

0

+0.130

0

+0.210

0

315-400

+0.089

0

+0.140

0

+0.230

0

 
.

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  1. company
    company 1527157363 -  Reply / Edit

    Our company covers an area of 80, 000 m2 with a total assets of 90 million Yuan. There are 360 staff members including 80 technicians in our company. We also establish an effective complete quality control system. In 2003, our company obtain.

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Our company covers an area of 80, 000 m2 with a total assets of 90 million Yuan. There are 360 staff members including 80 technicians in our company. .

We also establish an effective complete quality control system. In 2003, our company obtained the certificate of ISO9001 Quality System Authentification!