DIN17175/EN10216-2

Heat-resisting seamless steel tube

Application:

It is used for the pipelines of boiler industry.

Size(mm):

 0.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

Tensile

strength (MPa)

Yield

strength (MPa)

Elongation(%)

DIN17175

St35.8

≤0.17

0.10~
0.35

0.40~
0.80

0.030

0.030

/

/

360~480

≥235

≥25

St45.8

≤0.21

0.10~
0.35

0.40~
1.20

0.030

0.030

/

/

410~530

≥255

≥21

15Mo3

0.12~
0.20

0.10
~0.35

0.40~
0.80

0.030

0.030

/

0.25~
0.35

460~600

≥270

≥20

Standard

Grade

Chemical Composition

Mechanical Property 

C

Si

Mn

P≤

S≤

Cr≤

Mo

Tensile

strength

(MPa)

Yield

strength

(MPa)

Elongation(%)

L

t

EN10216-2

195GH

≤0.13

≤0.35

≤0.70

0.025

0.020

0.30

≤0.08

320~440

≥195

≥27

≥25

P235GH

≤0.16

≤0.35

≤1.20

0.025

0.020

0.30

≤0.08

360~500

≥235

≥25

≥23

P265GH

≤0.20

≤0.40

≤1.40

0.025

0.020

0.30

≤0.08

410~570

≥265

≥23

≥21

20MnNb6

≤0.22

0.15~
0.35

1.00~ 1.50

0.025

0.020

-

-

500~650

≥355

≥22

≥20

16Mo3

0.12~
0.20

≤0.35

0.40~ 0.90

0.025

0.020

0.30

0.25~
0.35

450~600

≥280

≥22

≥20