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Product name : Seamless phosphated Steel tube
Item : 201468191515
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  Details:
Seamless phosphated steel tube
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→ plastic capping on both ends→Phosphating→Antirust oiling outside surface→Bundles

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. bright black. Color is homogeneously distributed on the tube surface. The tube has good property of antirust
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) +Black Phosphating

Specifications:

Outer diameter x wall thickness
6~76 x 1~4mm

Grade and Chemical Composition (  )

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

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


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