EN10216-2 Steam Boiler Tubes for Pressure Vessels

Steel grade

C

Si

Mn

P

S

Cr

Mo

Al

Steel
name

Steel
number

max

max

max

max

max

max

max

195GH

1.0348

0.13

0.35

0.70

0.025

0.020

0.30

0.08

≥0.020

P235GH

1.0254

0.16

0.35

1.20

0.025

0.020

0.30

0.08

≥0.020

P265GH

1.0425

0.20

0.40

1.40

0.025

0.020

0.30

0.08

≥0.020

20MnNb6

1.0471

0.22

0.15-
0.35

1.0-
1.50

0.025

0.020

0.30

0.08

≤0.060

16Mo3

1.5415

0.12-
0.20

0.35

0.40-
0.90

0.025

0.020

0.30

0.25-
0.35

≤0.040

10CrM
o9-10

1.7380

0.08-
0.14

0.50

0.30-
0.70

0.025

0.020

2.0-
2.50

0.90-
1.10

≤0.040

11CrM
o9-10

1.7383

0.08-
0.15

0.50

0.40-
0.80

0.025

0.020

2.0-
2.50

0.90-
1.10

≤0.040

25Cr
Mo4

1.7218

0.22-
0.29

0.40

0.60-
0.90

0.025

0.020

3.0-
3.30

0.50-
0.60

≤0.040

Steel Grade

Tensile properties

Tensil

Elongation

Steel name

Steel
number

Upper yield strength

Strength

A min.%

   ReH min for Wall Thickness

Rm

T mm

T≤16 

16＜T≤40 

40＜T≤60 

Mpa

Mpa

Mpa

Mpa

l

t

195GH

1.0348

195

~

~

320-440

27

25

P235GH

1.0254

235

225

215

360-500

25

23

P265GH

1.0425

265

225

245

410-570

23

21

20MnNb6

1.0471

355

345

335

500-650

22

20

16Mo3

1.5415

280

270

260

450-600

22

20

10CrMo9-10

1.7380

280

280

270

480-630

22

20

11CrMo9-10

1.7383

355

355

355

540-680

20

18

25CrMo4

1.7218

345

345

345

540-690

18

15