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en 10305 e235 precision seamless steel tube

Product Description


Specifications



en 10305 e235 precision seamless Steel Tube

O.D : 18mm to 121mm

W.T : 2mm to 18mm

Length: max 12meters









din DIN 2391/EN 10305 Cold Drawn Carbon Precison Seamless Steel Pipe






din st45.8/ st42.2 Carbon Steel Pipe



Application: Precision machinery, hydraulic equipment, auto parts.


Standard:



DIN2391-1: Seamless Precision Steel Tube.


EN 10305-1: Steel tubes for precision applications


DIN2391-1: Seamless Precision Steel Tube.


EN 10305-1: Steel tubes for precision applications



Steel grade: DIN2391-1(ST35, ST45, ST52), EN10305-1(E215, E235, E355).


Packing: Bare/bundles/crates/crate protection at the both sides of tubes or as per customers' requirements .



Brand : Zhongxing Steel Pipe (by ourselves)





Specification : OD10mm to 121mm , Thickness 2mm to 30mm






0ur products are offered in standard as well as customized specifications given as per client.


1.Section shape : Round


2. Material Specification and Ref. Document


ST52,BK+S OR NBK,DIN2391


OD:10-121mm WT:2-30mm


3. Chemical Compisition (%)





Grade

Chemical Composition(%):

C max

Si max

Mn

P max

S max

St 35

0.17

0.35

≥0.40

0.025

0.025

St 45

0.21

0.35

≥0.40

0.025

0.025

St 52

0.22

0.55

≤1.60

0.025

0.025

E215

0.10

0.05

0.70

0.025

0.025

E235

0.17

0.35

1.2

0.025

0.025

E355

0.22

0.55

1.6

0.025

0.025















4. Mechanical Properties





Steel grade

BK(+C)

BKW(+LC)

BKS(+SR)

GBK(+A)

NBK(+N)

RmN/mm
min

min

RmN/mm
min

min

N/mm
min

ReH
N/mm
min

min

N/mm
min

min

N/mm
min

ReH
N/mm
min

min

St35

480

6

420

10

420

315

14

315

25

340-470

235

25

St45

580

5

520

8

520

375

12

390

21

440-570

235

21

St52

640

4

580

7

580

420

10

490

22

490-630

355

22

E215

430

8

380

12

380

280

16

280

30

290-430

215

30

E235

480

6

420

10

420

350

16

315

25

340-480

235

25

E355

640

4

580

7

580

450

10

450

22

490-630

355















5. Supply Condition


Cold drawn seamless steel tube, stress relieved and honed or skived roller burnished


6. Surface Roughness


Ra = 0.4~0.8 Micron


7. Tolerances of Inner Dia.


8. Tolerance on Outer Dia.


≤ Dia 40 +/-0.2 mm


≥ Dia 40 ≤ Dia 100 +/-0.3mm


≥ Dia 100 +/-0.5mm


9. Appearance


Tube shall have a smooth internal and external surface consistent with cold working process, tube inner surface should be free from rust, scratches and other surface irregularities.


10. Scope


Hydaulic cylinder tube for swivel crane, injection machine and construction machine application






Length: Length for smls pipe is 4.8meters to 12meters .


generally 5-5.8meters random length for 20ft ctnr ,6-12m random length for 40ft ctnr, or fixed length like 5.8meters , 6meters ,11.8meters as per demand .


Ends : Plain ends, beveled ends


Raw material :Steel bar


















Specialized in seamless steel pipe for more than 21years including exporting for more than 8years, we achieved much experience for good service









Seamless steel tube or pipe is our mainly products










Our company is a professional manufactuer in steel pipe .


We will provide you the excellent quality and best price with better professional service !














Contact us if you need more details on E235 Precision Tube. We are ready to answer your questions on packaging, logistics, certification or any other aspects about En 10305 Tube、En 10305 E235 Precision Tube. If these products fail to match your need, please contact us and we would like to provide relevant information.

Product Categories : Precision Steel Pipe

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