China Manufacturer for 1020/1045/20cr / 40cr / 27simn Cold Drawn Precision Steel Pipe/Small Cold Drawn Section Tube/Precision Seamless Steel Tube Manufacturer

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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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We now have a highly efficient crew to deal with inquiries from clients. Our intention is “100% shopper pleasure by our merchandise quality, price tag & our staff service” and take pleasure in a very good standing amongst purchasers. With quite a few factories, we can easily provide a wide vary of China Manufacturer for 1020/1045/20cr / 40cr / 27simn Cold Drawn Precision Steel Pipe/Small Cold Drawn Section Tube/Precision Seamless Steel Tube Manufacturer, We sincerely expect exchange and cooperation along with you. Let us move forward hand in hand and accomplish win-win situation.
We now have a highly efficient crew to deal with inquiries from clients. Our intention is “100% shopper pleasure by our merchandise quality, price tag & our staff service” and take pleasure in a very good standing amongst purchasers. With quite a few factories, we can easily provide a wide vary of China St37-2 Black Iron Pipe and St52 Welded Pipe, “Good quality, Good service ” is always our tenet and credo. We take every effort to control the quality, package, labels etc and our QC will check every detail during producing and before shipment. We’re willing to establish long business relationship with individuals who seek the high quality merchandise and good service. We have set up a wide sales network across European countries, North of America, South of America, Middle East, Africa, East Asia countries.Please contact us now, you will find our professional experience and high quality grades will contribute to your business.
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
Seamless Precision Seamless-6

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

We now have a highly efficient crew to deal with inquiries from clients. Our intention is “100% shopper pleasure by our merchandise quality, price tag & our staff service” and take pleasure in a very good standing amongst purchasers. With quite a few factories, we can easily provide a wide vary of China Manufacturer for 1020/1045/20cr / 40cr / 27simn Cold Drawn Precision Steel Pipe/Small Cold Drawn Section Tube/Precision Seamless Steel Tube Manufacturer, We sincerely expect exchange and cooperation along with you. Let us move forward hand in hand and accomplish win-win situation.
China Manufacturer for China St37-2 Black Iron Pipe and St52 Welded Pipe, “Good quality, Good service ” is always our tenet and credo. We take every effort to control the quality, package, labels etc and our QC will check every detail during producing and before shipment. We’re willing to establish long business relationship with individuals who seek the high quality merchandise and good service. We have set up a wide sales network across European countries, North of America, South of America, Middle East, Africa, East Asia countries.Please contact us now, you will find our professional experience and high quality grades will contribute to your business.


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