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Hydraulic support steel tubing
Hydraulic support steel tubing

Minimum Order: 0
Quality/Safety Certification: 0.00


our company offers inexpensive and high-quality stainless steel tubing and fittings

stainless steel tubing

outer diameter:14mm-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 customers requirements

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

 

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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