Table 2

Mechanical Attributes for tubes made of feritic and austenitic steel, with corrosion durability for wall depths ≤ 3 mm

Steel Stamp

Min conventional tap limit Mpa *)                                                                   

Min. Breaking Durability          Mpa *)

Min. Dilatation %

Intergranular corrosion durability ^a

Alpha-Numerical Typification

Numerical Typification

R_p0,2

R_p1,0

Rm

L ^b

T ^b

Feritic Steel

X2CrNi12

1,4003

280

290

450

20

18

No

X2CrTi12

1,4512

210

220

380

25

23

No

X6Cr17

1,4016

240

250

430

20

18

Yes c.

X3CrTi17

1,4510

230

240

420

23

21

Yes

X2CrMoTi18-2

1,4521

280

290

400

20

20

Yes

X6CrMoNb17-1

1,4526

280

290

480

25

23

Yes

X2CrTiNb18

1,4509

230

240

430

18

16

Yes

Austenitic Steel

X2CrNiN18-7

1,4318

330

370

630

45

45

Yes

X2CrNi18-9

1,4307

180

215

470

40

35

Yes

X2CrNi19-11

1,4306

180

215

460

40

35

Yes

X2CrNiN18-10

1,4311

270

305

550

35

30

Yes

X5CrNi18-10

1,4301

195

230

500

40

35

Yes^c

X6CrNiTi18-10

1,4541

200

235

500

35

30

Yes

X6CrNiNb18-10

1,1550

205

240

510

35

30

Yes

X2CrNiMo17-12-2

1,4404

190

225

490

40

30

Yes

X5CrNiMo17-12-2

1,4401

205

240

510

40

30

Yes ^c

X6CrNiMoTi17-12-2

1,4571

210

245

510

35

30

Yes

X2CrNiMo17-12-3

1,4432

190

225

490

40

30

Yes

X2CrNiMoN17-13-3

1,4429

295

330

580

35

30

Yes

X3CrNiMo17-13-3

1,4436

205

240

510

40

30

Yes^c

X2CrNiMo18-14-3

1,4435

190

225

490

40

35

Yes

X2CrNiMoN17-13-5

1,4439

285

315

580

35

30

Yes

X1NiCrMoCu25-20-5

1,4539

220

250

520

35

30

Yes

X1CrNiMoCuN20-18-7

1,4547

300

340

650

35

30

Yes

Austenitic and Feritic Steel

X2CrNiN23-4^d

1,4362

400

600

20

Yes

X2CrNiMoN22-5-3

1,4462

450

700

22

-

Yes

X2CrNiMoN25-7-4

1,4410

550

800

15

Yes

*)  1 Mpa = 1 n/mm²

a  When it is tested conformal toEN ISO 3651-2

b  L = longitudinal, T = transversal

c  Usually, it isn't insured in excited or raw weld case.

d  Licensed Steel Stamp