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Seamlsess Steel Pipe Standard(1)-EN10297-1

Standard:EN10297-1
SEAMLESS CIRCULAR STEEL TUBES FOR MECHIANICAL ADN EDNERAL ENGINEERING PURPOSES
NON-ALLOY STEEL TUBE

/Chemical Composition:


Steel Grade

C

Si

Mn

P

S

other elements

steel name

steel No.

Min.

Max.

Min.

Max

Min.

Max

Min.

Max

 

E235

1.0308

0.17

0.35

1.20

0.030

0.035

 

E275

1.0225

0.21

0.35

1.40

0.030

0.035

 

E315

1.0236

0.21

0.30

1.50

0.030

0.035

min.0.010;max.0.020;Mb max.0.07;V:0.08-0.15

E355a

1.0580

0.22

0.55

1.60

0.030

0.035

E470

1.0536

0.16

0.22

0.10

0.50

1.30

1.70

0.030

0.035

C22E

1.1151

0.17

0.24

0.40

0.40

0.70

0.035

0.035

b

C35E

1.1181

0.32

0.39

0.40

0.50

0.80

0.035

0.035

b

C45E

1.1191

0.42

0.50

0.40

0.50

0.80

0.035

0.035

b

C60E

1.1221

0.57

0.66

0.40

0.60

0.90

0.035

0.035

b

38Mi6

1.1127

0.34

0.42

0.15

0.35

1.40

1.65

0.035

0.035

b


/Mechanical Properties:

Steel Grade

Minimum Mechaical Properties

Yield Strength(ReH)Mpa

Tensile Strength(Rm)Mpa

Elongation A%

For Tinmm

For Tinmm

 

 

16

16

40

40
65

65
80

80
100

16

16

40

40
65

80
100

l

t

E235

235

225

215

205

195

360

360

360

340

25

23

E275

275

265

255

245

235

410

410

410

380

22

20

E315

315

305

295

280

270

450

450

450

420

21

19

E355

355

345

335

315

295

490

490

490

470

20

18

E470

470

430

650

600

 

 

17

15


Steel Grade

Minimum Mechaical Properties

Yield Strength(ReH)Mpa

Tensile Strength(Rm)Mpa

Elongation A%

For Tinmm

For Tinmm

16

16
40

40
80

16

16
40

40
80

16

16
40

40
80

l

t

l

t

l

t

C22E

240

210

210

430

410

410

24

22

25

23

25

23

C35E

300

270

270

550

520

520

18

16

19

17

19

17

C45E

340

305

305

620

580

580

14

12

16

14

16

14

C60E

390

350

340

710

670

670

10

8

11

9

11

9

38Mn6

400

380

360

670

620

570

14

12

15

13

16

14

Note:l-longitudinal;t=transverse;a:1Mpa-1N/