Standard: DIN1629/EN10216-1

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

 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

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