图片名称

DIN 2391

DIN 2391-- cold Drawn or cold rolled steel tube is used in hydraulic & pneumatic cylinder, mechanical and Automotive engineer

Size: 6mm-350mm.

W.T.: 0.8mm-50mm.

Shape: Round.

Production type: Cold drawn or cold rolled.

Length: Single random length/ Double random length or as customer’s actual request max length is 10m.

Grade: St30 Si, St30 Al, St35, St45, St52.

OD(mm)　

Wall Thickness Unit(mm)

2

2.5

3

3.5

4

4.5

5

6

6.5-7

7.5-8

8.5-9

9.5-10

11

12

Φ25-Φ28

●

●

●

●

●

●

 

 

 

 

 

 

 

 

Φ32

 

●

●

●

●

●

●

 

 

 

 

 

 

 

Φ34-Φ36

 

●

●

●

●

●

●

 

 

 

 

 

 

 

Φ38

 

●

●

●

●

●

●

 

 

 

 

 

 

 

Φ40

 

 

●

●

●

●

●

 

 

 

 

 

 

 

Φ42

 

 

●

●

●

●

●

 

 

 

 

 

 

 

Φ45

 

 

●

●

●

●

●

●

 

 

 

 

 

 

Φ48-Φ60

 

 

●

●

●

●

●

●

●

 

 

 

 

 

Φ63.5

 

 

 

●

●

●

●

●

●

●

 

 

 

 

Φ68-Φ73

 

 

 

 

●

●

●

●

●

●

 

 

 

 

Φ76

 

 

 

 

●

●

●

●

●

●

●

●

●

●

Φ80

 

 

 

 

●

●

●

●

●

●

●

●

●

●

Φ83

 

 

 

 

●

●

●

●

●

●

●

●

●

●

Φ89

 

 

 

 

●

●

●

●

●

●

●

●

●

●

Φ95

 

 

 

 

●

●

●

●

●

●

●

●

●

●

Φ102

 

 

 

 

●

●

●

●

●

●

●

●

●

●

Φ108

 

 

 

 

●

●

●

●

●

●

●

●

●

●

Φ114

 

 

 

 

 

●

●

●

●

●

●

●

●

●

Φ121

 

 

 

 

 

●

●

●

●

●

●

●

●

●

Φ127

 

 

 

 

 

●

●

●

●

●

●

●

●

●

Φ133

 

 

 

 

 

●

●

●

●

●

●

●

●

●

Φ140

 

 

 

 

 

 

●

●

●

●

●

●

●

●

Φ146

 

 

 

 

 

 

●

●

●

●

●

●

●

●

Φ152

 

 

 

 

 

 

●

●

●

●

●

●

●

●

Φ159

 

 

 

 

 

 

●

●

●

●

●

●

●

●

Φ168

 

 

 

 

 

 

●

●

●

●

●

●

●

●
Mechanical Properties(Mpa)

Steel Grade

Minimum values for the delivery condition

Steel Name

Steel Number

BK

BKW

BKS

GBK

NBK

Rm

A %

Rm

A %

Rm

ReH

A %

Rm

A %

Rm

ReH

A %

Mpa

Mpa

Mpa

Mpa

Mpa

Mpa

Mpa

St 30 Si

1.0211

430

8

380

12

380

280

16

280

30

290 to 420

215

30

St 30 Al

1.0212

430

8

380

12

380

280

16

280

30

290 to 420

215

30

St 35

1.0308

480

6

420

10

420

315

14

315

25

340 to 470

235

25

St 45

1.0408

580

5

520

8

520

375

12

390

21

440 to 570

255

21

St 52

1.0580

640

4

580

7

580

420

10

490

22

490 to 630

355

22
Inspection and test list

Inspection or test types

Test frequency

Internal test

Acceptance test

Chemical analysis

M

M

Tensile testing

M

One per tested batch

Flattening test or extension test

M

Two per tested batch

Dimension verification

M

M

Visual inspection

M

M

NDT in order to identify leaks

Individual

Individual

MESSAGE

Submit