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Product name : Precision hydraulic tubes
Item : 201468192549
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  Details:
Precision hydraulic tubes
 
Production Standards
 
DIN2391/EN10305-1
Seamless precision steel tubes for Auto use; for machinery use; Oil cylinder tube; Motorcycle shock reducer steel tubes; Auto shock reducer inner cylinder
 
Synopsis of Process Routing: quality carbon steel → cold drawing → bright heat treatment without oxidization (NBK status) → nondestructive testing. In the wall honing and inside flushing under the high pressure→. Antirust oiling outside surface→ plastic capping on both ends.

Main Features: high accuracy, excellent brightness, no oxidization on the outer and inner walls after heat treatment, high cleanness inside wall. The steel tube is able to stand high pressure. No deformation after cold bending, no crack after flaring and flattening . The complicated geometrical forming and machining can be realized. Color of tube: gray with white.
Main Application: to be used in hydraulic system, automobile and in the occasion where the high precision, brightness, cleanness and mechanical properties of the tube are required.

 

Main grades

 

ST35,ST45,ST52,E215,E235,E355,etc

 

Delivery Status:

 

NBK(+N)

 

Specifications:

Outer diameter x wall thickness
4~250 x 0.5~20mm

Grade and Chemical Composition (  )

Item

Grade

 

C

max

Mn

P

max

S

max

Si

max

E235

1.0308

0.17

0..4

0.025

0.025

0.35

St45

1.0408

0.21

0.4

0.025

0.025

0.35

E355

1.0508

0.22

1.6

0.025

0.025

0.55

Item

Grade

 

C

max

Mn

P

max

S

max

Si

max

St35

1.0308

0.17

0..4

0.025

0.025

0.35

St45

1.0408

0.21

0.4

0.025

0.025

0.35

St52

1.0508

0.22

1.6

0.025

0.025

0.55


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