16. BS en 10025-2 2004 - Hot Rolled Products of Structural Steel

EN 10025-2~2004(E)

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Table 2 Chemical composition of the ladle analysis for flat and long products of steel grades and qualities with values for the impact strength a Designation

'"l

MBthod of deoxidation

C in % max. for nominal product thickness in mm

P % max.

S % max.

N % max.

Cu % max.

Other % max.

d

d e

f

L1

h

1,40 1,40 1'40

0,035 0,030 0,025

0,035 0,030 0,025

0,012 0,012

0.55 0,55

-

1,50 1,50 1.50

0,035 0,030 0,025

0,035 0,030 0.025

0,012 0,012

0,55 0,55 0.55

0,035 0,030 0,025 0,025

0,035 0,030 0.025 0,025

0,012 0,012

0,55

1,60 1,60 1,60 1,60

-

0'55 0,s 0,55 0,55

0,55

1,70

0,030

0.030

0,025

0,55

Si Mn % % max, max.

b

According According EN 10027-1 EN 10027-2 and CR 10260

516

>I6 2 40

>40C

-

S235JR

1.0038

FN

0,17

0,17

0,20

S235JO

1.0114

FN

0.17

0,17

0,17

S235J2

1.0117

FF

0,17

0,17

O,lf

S275JR

1.OW

FN

0,21

0,21

0,22

-

S275JO

S275J2

1.0143 1.0145

FN FF

0,18 0.18

0,18 0,18

0,18' 0,18'

-

S355JRi

1.OM5

FN

0,24

024

024

S355JO S35552

FN FF

5355K2

1.0553 1.0577 1.05%

FF

0,2d 0,2d 0,2d

0,20k 0,20k 0,20k

0.22 0,222 022

0.55 0,55 0,55

~450~d

1.0590

FF

0,20

0,20k

0,22

-

-

0,55

-

*

See 7.2. FN = rimming steels not permitted; FF = fully killed steel (see 6.2.2). For sections with nominal thickness > 100 mm the C content by agreement.

I See option 26.

I

For long products the P and S content can be 0,005 % higher.

I I

For long products the max. S content can be increased for improved machinability by 0,015 % by agreement if the steel is treated to modify the sulphide morphology and the chemical composition shows min. 0,0020 % Ca.

See option 27. The max. value for nitrogen does not apply if the chemical composition shows a minimum total Al content of 0,020 % or alternatively min. 0,015 % acid soluble Al or if sufficient other N binding elements are present. in this case the N

~ ~ ~ b e m e n t i o o e d h ~ ~ t i o n d a c u m e n t

I I

Cu content above 0.40 % may cause hat shortness during k t forming. lf other elements are added. they shall be mentioned on the inspection document.

'

'

Fwnominal~r150m:C=0,20%~.. For grades suitable for cold roll forming (see 7.4.2.2.3): C = 022 % max.. For nominal thickness > 30 mm: C = 0,22 % max..

I

Applicable for long products only. The steel may show a Nb content of max. 0,05 %, a V content of max. 0,13 % and a Ti content of max. 0,05 %.

t

I I

EN 10025-2:2004 (E)

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Table 6 Maximum CEV based on the ladle analysis ' Designation

Maximum CEV in % for nominal product thickness in mm

Method of deoxidation b

> 30 2 40

140 S150

> 150

> 250

S250

S 400

According EN 10027-1 and CR 10260

According EN10027-2

S235JR S235JO S235J2

1.0038 1.0114 1.0117

FN FN FF

0,35 0,35 0,35

0,35 0,35 0,35

0,38 0,38 0,38

0,40 0,40 0,40

0,40

S27SJR S275JO S275J2

t .0044 1.0143 1.0145

FN FN FF

0,40 0,40 0,40

0,40 0,40 0,40

0,42 0,42 0,42

0.44 0,44 0-44

o,@

1.0045 1.0553 1.0577 1.0596

FM FN FF FF

Or45 0,45 0,45 0,45

44-5 0,47 0,47 0,47

0'47 0,47 0.47 0,47

0,4gc 0,4gc 0,4gc 0,4gc

0,49 0,49

~ 4 5 0 ~ 0 ~ 1.0590

FF

0,47

0'49

0,49

S355JR S355JO S355J2 S355K2

a

,/

5 30

-

For the optional increase of elements which influence the CEV see 7.2.4 and 7.2.5.

FN = rimming steels not permitted; FF = fully killed steel (see 6.2.2).

"

For long products a maximum CEV of 034 applies. Applicable for long products only.

-

/

1

d

a

355 355

450

1.0590

355

365

275

1 0553 1.0577 1.0596

1.OM5

1.0145

430

345 345 345 345

265

410

335 335

335 335

255

390

325' 325 325 325 380

315 315 315 315

235

380

295 295 295 295

225 285 285 285 285

215 275 275 275 275

205

265 265

195 /510 to 680 510 to 680 510 to 680 510 to 680

430 to 580

550 to 720

470 to 630 470 to 630 470 to 630 470 to630

410 to 560

530 to 700

450 to 600 450 to 600 450 to 600 450 to600

400 to 540

450 to 600 450 to 600 450 to 600 450 to 600

380 to 540

Nominal thickness

Nominal thickness

245

Tensile strength Rma tvlpab

Minimum yield strength R ~ aH tdpab

450 to 600 450 to600

380 to 540

Applicable for long products only.

The values apply to fiat products.

1 MPa = 1 ~ l r n m ~ .

I

I (To be continued)

For plate, strip and wide Rats with wkiths 2 600 mm the direction transverse (t) to the rolling direction applies. For all other products the values apply for the direction parallel (I)to the rolling direction.

According EN 10027-1 and CR 10260

Designation

Table 7 Mechanical properties at ambient temperature for flat and long products of steel grades and qualities with values for the impad strength

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EN 10025-2~2004(E)

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I

I

t I

1,0045 1.0553 1.0577 1,0596

S355JR S355JO S355J2

~ 4 5 0 ~ 0 ~ 2,0590

a

-

1-

1-

17

17

17

17

17 18 18 20

19

16

15

13

14

12

17 18 20

21

22

18

17

16

15

14

I

18 19

19 20

21

17

16

15

14

13

t

18 19

21 22

23

19

18

17

16

15

I

21

22 22

23

24

19

18

17 (1 and t) 17 (1 and t)

18 (1 and t)

21 (1 and t)

>25Oc 1400 only for J2 and K2

Applicable for long products only.

The values apply to flat products.

1

1

-

For plate, sMp and wide flats with widths 2 600 mm the direction transverse (t) to the rolling direction applies. For all other products the values apply for tha direction pamlel (I)to the rolling direction.

S355K2

(-

1. O M 1,0143 1,0145

(I7

16

15

t

S275JR S275JO S275J2

S235J2

21

24

22

25

26

21

20

19

18

Lo = 5,65 dso Nominal thickness mm >I50 >lo0 ~ 4 0 >63 1250 5150 1100 263

2 3 540

%

Minimum percentage elongation after fracture a

>2,5 2 1,5 22

17

1.0038 1.0114 1.0117

S235JR S235JO