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DIN2391 ST45 ST52 Precision Steel Tubing , Polished Steel Tube

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DIN2391 ST45 ST52 Precision Steel Tubing , Polished Steel Tube

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Brand Name : Joyruns

Model Number : DIN2391 Mechanical steel Tube

Certification : ISO9000

Place of Origin : CHANGZHOU, CHINA

MOQ : 5TONs

Price : Negotiable

Payment Terms : TT OT 100% LC AT SIGHT

Supply Ability : 1000Ton/month

Delivery Time : 30DAYS

Packaging Details : Exporting package/wooden box package

Length : Max length 12M

Type : Seamless

OD. Range : 6mm – 114.3mm

Standard : DIN2391

Grade : st35, st37, st45, st52

Wall thickness : 1mm-15mm

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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



Product Tags:

precision stainless steel tubing

      

Polished Steel Tube

      
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