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DIN2391 ST45 ST52 Precision Steel Tubing , Polished Steel Tube
  • DIN2391 ST45 ST52 Precision Steel Tubing , Polished Steel Tube
  • DIN2391 ST45 ST52 Precision Steel Tubing , Polished Steel Tube
  • DIN2391 ST45 ST52 Precision Steel Tubing , Polished Steel Tube

DIN2391 ST45 ST52 Precision Steel Tubing , Polished Steel Tube

Place of Origin CHANGZHOU, CHINA
Brand Name Joyruns
Certification ISO9000
Model Number DIN2391 Mechanical steel Tube
Product Details
Length:
Max Length 12M
Type:
Seamless
OD. Range:
6mm – 114.3mm
Standard:
DIN2391
Grade:
St35, St37, St45, St52
Wall Thickness:
1mm-15mm
High Light: 

precision stainless steel tubing

,

Polished Steel Tube

Product Description

DIN2391 ST45 ST52 Precision Steel Tubing, Polished Steel Tube

 

DIN2391 cold drawn and bright seamless precision steel tube is used as the tube to be phosphate. The phosphate is realized with the imported chemical fluid to form a black film. The antirust oil is absorbed by means of the micropore on the film to prevent rust. The caps are covered at two ends of the tube to prevent dust.

 

Description:

  1. Seamless Precision Steel Tubing, bright heat treatment without oxidation (NBK status), non-destructive testing, cleaning, phosphating, anti-rust oil dipping, the application for machine tools industry, construction machinery, shipbuilding industry-hydraulic system, automotive steel tube, and in the occasion where the high precision, brightness, cleanness and mechanical properties of the tube are required.

  2. Used in hydraulic system, automobile and precision machinery parts for cars and cylinders.

  3. Standard: DIN2391-1, DIN2391-2

  4. Grade: ST35, ST37, ST45, ST52,ST35.2,ST52.2

  5. OD. Range:6mm – 114.3mm

    Wall thickness: 1mm-15mm

    Length: Max length 12M

  6. Type: Seamless

  7. Packaging detail: Bundles with plastic paper packaged or wooden box package

  8. Delivery status: BK(+C), BKS(+SR), BKW(+LC), GBK(+A), NBK(+N)

 

Applications:

 

hydraulic system

automobile

precision machinery parts for cars and cylinders. 

Auto industry

Oil cylinder tube

 

 

Mechanical properties

 

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

   

 

Mechanical properties

 

item

grade

Cold finished (Hard)

(BK)

Cold finished

(Soft)

(BKW)

Cold finished and stress-relieved

(BKS)

Annealed (GBK)

Normalized

(NBK)

Rm

A

Rm

A

Rm

ReH

A

Rm

A

Rm

ReH

A

MPa

MPa

MPa

MPa

MPa

MPa

1

ST35

480

6

420

10

420

315

14

315

25

340-470

235

25

2

ST45

580

5

520

8

520

375

12

390

21

440-570

255

21

3

ST52

640

4

580

7

580

450

10

450

22

490-630

355

22

 

 

 

 

 

 

 

 

 

 

 

 

DIN2391 ST45 ST52 Precision Steel Tubing , Polished Steel Tube 0

 

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