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SMLS Steel Pipe DIN 2391
  • SMLS Steel Pipe DIN 2391
  • SMLS Steel Pipe DIN 2391

SMLS Steel Pipe DIN 2391

Seamless Steel Pipe, SMLS Steel Pipe, used for used for low pressure liquid delivery, such as water, gas, and oil. Oil drilling and machinery manufacturing, etc.
Standard: DIN 2391
Precision seamless steel tubes.
...

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Seamless Steel Pipe, SMLS Steel Pipe, SMLS Steel Tube

Threeway Steel Co., Ltd

E-mail: sales@srtsteelpipe.com

Address: 22nd Floor, Royal Wing Tower, Long Champ International Building, No.9 Xiangfu Road, Changsha, Hunan, China, PC: 410116

Phone:0086-731-8873-9521  

  • Description
  • Size

Seamless Steel Pipe, SMLS Steel Pipe, SMLS Steel Tube

Chemical Composition(%): 

Steel Grade

Chemical Analysis  %

Grade

Material NO.

C max.

Si max.

Mn

P max.

S max.

St 30 Si

1.0211

0.1

0.3

≤0.55

0.025

0.025

St 30 Al

1.0212

0.1

0.05

≤0.55

0.025

0.025

St 35

1.0305

0.17

0.35

≥0.40

0.025

0.025

St 45

1.0408

0.21

0.35

≥0.40

0.025

0.025

St 52

1.058

0.22

0.55

≤1.60

0.025

0.025

Can join the alloy elements: Nb:≤0.03%;Ti:≤0.03%;V:≤0.05%;Nb+Ti+V:≤0.05%




Mechanical Properties:

          Delivery State

BK

BKW

BKS

GBK

NSK

Grade

Grade

Material NO.


Tensile Strength
(N/mm2)
Min.



Elongation
%
Min.



Tensile Strength
(N/mm2)
Min.



Elongation
%
Min.



Tensile Strength
(N/mm2)
Min.



Yield Strength
 (N/mm2) 
min.



Elongation
%
Min.



Tensile Strength
(N/mm2)
Min.



Elongation
%
Min.



Tensile Strength
(N/mm2)
Min.



Yield Strength 
 (N/mm2) 
min.



Elongation
%
Min.


St 30 Si

1.0211

430

8

380

12

380

280

15

280

30

290-420

215

30

St 30 Al

1.0212

430

8

380

12

380

280

15

280

30

290-420

215

30

St 35

1.0305

480

6

420

10

420

315

14

315

25

340-470

235

25

St 45

1.0408

580

5

520

8

520

375

12

390

21

440-570

255

21

St 52

1.058

640

4

580

7

580

420

10

490

22

490-630

355

22




OD/mm WT/mm
3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40
21.3 √ √ √ √ √
26.7 √ √ √ √ √ √
33.4 √ √ √ √ √ √
48.3 √ √ √ √ √ √ √ √
60.3 √ √ √ √ √ √ √ √
73 √ √ √ √ √ √ √ √ √ √
88.9 √ √ √ √ √ √ √ √ √ √ √
114.3 √ √ √ √ √ √ √ √ √ √ √ √
168.3 √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √
219.1 √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √
273.1 √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √
323.3 √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √
355.6 √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √
406.4 √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √
457.2 √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √
508 √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √
609.6 √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √
660.4 √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √
711.2 √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √
762 √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √