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Product Description
 
Applicatin Cold Drawn precision steel tubing hydraulic steel tubing
Cold drawn seamless tube suppliers for hydraulic cylinder

Cold drawn seamless tube suppliers for hydraulic cylinder are suitable for Hydraulic Cylinder, Elevator Cylinder, Packaging and Printing Machinery, Telescope Cylinder, Scaling Ladder, Woodworking Machinery, Agriculture Machines, Fitness Equipment, Textile machinery, Automobile Industry, etc.

 

Inside Dia

 

(mm)

 

ID Tolerance (mm)

 

WT Tolerance

 

(mm)

 

H7

H8

H9

H10

 

≤30

+0.021/0

+0.033/0

+0.052/0

+0.084/0

 

 

 

 

 
±7.5%
>210mm ±10%

 

30 - ≤50

+0.025/0

+0.039/0

+0.062/0

+0.100/0

 

50 - ≤80

+0.030/0

+0.046/0

+0.074/0

+0.120/0

 

80 - ≤120

+0.035/0

+0.054/0

+0.087/0

+0.140/0

 

120 - ≤180

+0.040/0

+0.063/0

+0.100/0

+0.160/0

 

180 - ≤250

+0.046/0

+0.072/0

+0.115/0

+0.185/0

 

250 - ≤315

+0.052/0

+0.081/0

+0.130/0

+0.210/0

 

315 - ≤700

+0.057/0

+0.089/0

+0.140/0

+0.230/0

 

 

Steel Grade

Chemical composition %

 

 

C

 

Si

 

Mn

P

S

Al

 

≤

≥

 

20#

0.17-0.24

0.17-0.37

0.35-0.65

0.035

0.035

/

 

45#

0.42-0.50

0.17-0.37

0.50-0.80

0.035

0.035

/

 

Q345B

≤0.2

≤0.5

1.00-1.60

0.03

0.03

/

 

Q345D

≤0.2

≤0.5

1.00-1.60

0.03

0.03

0.015

 

25Mn

0.22-0.29

0.17-0.37

0.70-1.00

0.035

0.035

/

 

27SiMn

0.24-0.32

1.10-1.40

1.10-1.40

0.035

0.035

/

 

ST52

≤0.22

≤0.55

≤1.6

0.025

0.025

/

 

SAE1026

0.22-0.28

0.15-0.35

0.60-0.90

0.04

0.05

/