DIN1629/EN10216-1

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OD(mm) Wall Thickness Unit(mm)
  2-3 3-4 4-5 5-6 6-7 7-8 8-9 9-10 10-11 11-12 12-16 16-18 18-20 20-24 24-30
Φ20-Φ23 ● ● ● ● ● ●                  
Φ24-Φ36 ● ● ● ● ● ● ● ●              
Φ38-Φ43 ● ● ● ● ● ● ● ● ● ●          
Φ44-Φ60 ● ● ● ● ● ● ● ● ● ●          
Φ61-Φ76     ● ● ● ● ● ● ● ●          
Φ89-Φ114     ● ● ● ● ● ● ● ● ● ● ●    
Φ121-133       ● ● ● ● ● ● ● ● ● ● ●  
Φ140-Φ159       ● ● ● ● ● ● ● ● ● ● ● ●
Φ168-Φ180       ● ● ● ● ● ● ● ● ● ● ● ●

OD(mm)
Wall Thickness Unit(mm)
/
10.5-12
12.5-17
18-20
21-25
26-30
Φ127
●
●
●
●
●
Φ133
●
●
●
●
●
Φ140
●
●
●
●
●
Φ146
●
●
●
●
●
Φ152
●
●
●
●
●
Φ159
●
●
●
●
●
Φ168
●
●
●
●
●
Φ180
●
●
●
●
●

seamless steel tubes for pressure purposes

Application:

It is used for manufacturing pipeline,vessel,equipment,pipe fittings

Size(mm):

O.D.:6.0~219.0 W.T.:1~30 L:max 12000

steel,chemical composition(DIN1629):


Standard

Grade

Chemical Composition

Mechanical Property 

C

Si

Mn

P≤

S≤

Cr

Mo

MPa)

(MPa)

(%)

DIN1629

St35.8/St37.5

≤0.17

/

/

0.04

0.04

/

/

350~480

≥235

≥25

St52.0/St52.3

≤0.22

≤0.55

≤0.17

0.04

0.04

/

/

500~560

≥270

≥21

steel,chemical composition(EN10216-1):

Standard

Grade

Chemical Composition

Mechanical Property 

C

Si

Mn

P≤

S≤

Cr≤

Mo

(MPa)

(MPa)

 

L

t

EN10216-1

P195TR1

≤0.13

≤0.35

≤0.70

0.025

0.020

0.30

≤0.08

320~440

≥195

≥27

≥25

P235TR1

≤0.16

≤0.35

≤1.20

0.025

0.020

0.30

≤0.08

360~500

≥235

≥25

≥23

P265TR1

≤0.20

0.40

1.40

0.025

0.020

0.30

≤0.08

410~570

≥265

≥23

≥19