DIN2391 Carbon St52 E355 Cold Drawn High Precision Hydraulic Seamless Steel Pipe

Short Description:

High precision cold rolled seamless steel tube identifies the precision steel pipe with high dimension precision (inside diameter and outside diameter), good surface finish, excellent roundness and straightness, and uniform wall occurrence. It can be widely used in automobile, motorcycle, electric vehicle, petrochemical, electric power, ship, aerospace, bearing, pneumatic components, medium and low pressure boiler seamless steel tubes and other industries, and can also be applied to steel sleeve, bearing, hydraulic, mechanical processing and other fields.


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It is a good way to enhance our products and solutions and repair. Our mission will be to build creative solutions to consumers with a great experience for DIN2391 Carbon St52 E355 Cold Drawn High Precision Hydraulic Seamless Steel Pipe, We’ve been willing to cooperate with company close friends from at your home and overseas and create a excellent long run with each other.
It is a good way to enhance our products and solutions and repair. Our mission will be to build creative solutions to consumers with a great experience for Cold Drawn High Precision Hydraulic Seamless Steel Pipe, Our tenet is “integrity first, quality best”. Now we have confidence in providing you with excellent service and ideal products and solutions. We sincerely hope we can establish win-win business cooperation with you in the future!
Inside and Outside wall of Precision seamless steel pipe with high-precision, high-quality finish, after heat-treated, steel pipe without oxide layer, the inner wall with cleanliness, steel to withstand high pressure, not deformation of the cold bending, flaring, flattening without cracks, for a variety of complex deformation and machining treatment.

The seamless precision seamless steel tubes can be used for a wide range of precision mechanical spare for car and cylinder accord to standard:DIN 2391, EN10305-1,DIN17175 etc.

Material: ST35,ST45,ST52

Manufacturing method: Cold-Rolled, Cold-Drawn

Delivery condition: BK,BKS,SR,GBK,NBK.

Packing:  Bundles by steel strips.

External packing by wooden cases if the wall thickness.

Oil-coating is generally necessary especially for export.

Application: Used in hydraulic & pneumatic cylinder ,automobile and other mechanical device.

Seamless Precision Seamless-4
Seamless Precision Seamless-1
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Grade

Material

C

Si

Mn

P

S

max

max

max

max

max

St35

1.0308

0.17

0.35

0.4

0.05

0.05

St45

1.0408

0.21

0.35

0.4

0.05

0.05

St52

1.0508

0.22

0.55

1.6

0.05

0.05

Grade

Material

Cold-Finished /Hard(BK)

Cold-Finished/Soft (BKW)

Rm(Mpa)

A(%)

Rm(Mpa)

A(%)

St 35/E235

1.0308

480

6

420

10

St 45

1.0408

580

5

520

8

St 52/E355

1.0508

640

4

580

7

Grade

Cold Finished (Soft)(BKW)

Annealed (GBK)

Normalized (NBK)

Rm(Mpa)

ReH (Mpa)

A(%)

Rm(Mpa)

A(%)

Rm (Mpa)

ReH (Mpa)

A(%)

St 35/E235

420

315

14

315

25

340-470

235

25

St 45

520

375

12

390

21

440-570

255

21

St 52/E355

580

450

10

490

22

490-630

355

22

It is a good way to enhance our products and solutions and repair. Our mission will be to build creative solutions to consumers with a great experience for 100% Original SAE J525 DIN2391 Carbon St52 E355 Cold Drawn High Precision Hydraulic Seamless Steel Pipe, We’ve been willing to cooperate with company close friends from at your home and overseas and create a excellent long run with each other.
100% Original China Seamless Pipe and Steel Pipe, Our tenet is “integrity first, quality best”. Now we have confidence in providing you with excellent service and ideal products and solutions. We sincerely hope we can establish win-win business cooperation with you in the future!


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