1 2 3 4 5 6 7 8SOMMAIRECONTENTS

TROUVAY & CAUVIN – PIPING EQUIPMENT 2001 PIPING EQUIPMENT 2001 – TROUVAY & CAUVIN184 185

B 668A 249 – A 269 – A 312 – A 358

B 673 – B 674 – B 677A 249 – A 269 – A 312 – A 358

A 409A 790

COMPOSITION CHIMIQUE / CHEMICAL COMPOSITION

UNSDesignation

Composition %

Cmaxi

Mnmaxi

Pmaxi

Smaxi

Simaxi

Ni Cr Mo N Cu Fe

N08028(1)

N08904(1)

S31254(1)

S31803(2)

0,030

0,0200,0200,030

2,5

2,01,02,0

0,030

0,0450,0300,030

1,00

1,000,801,00

0,030

0,0350,0100,020

30,00–34,00

23,00–28,0017,50–18,50

4,50–6,50

26,00–28,00

19,00–23,0019,50–20,5021,00–23,00

3,00–4,00

4,00–5,006,00–6,502,50–3,50

–

0,10 maxi0,18–0,220,08–0,20

0,60–1,40

1,00–2,000,50–1,00

–

Soldebalance

–––

CARACTÉRISTIQUES MÉCANIQUES / TENSILE REQUIREMENTS

ASTMRésistance ruptureTensile strength

Limite élastiqueYield strength

AllongementElongation

ksi MPa mini %

N08028

N08904

S31254

S31803

500

490

650

620

73

71

94

90

31

31

44

65

40

35

35

25

214

215

300

450

special gradesof stainless steels

for high corrosiveservice

(1) Structure austénitique,(2) structure ferro-austénitique (duplex).

(1) austenitic structure,(2) ferro-austenitic structure (duplex).

nuances spécialesd’aciers inoxydablespour servicetrès corrosif

UNSDesignation

ksi MPa

DÉSIGNATIONS ÉQUIVALENTES / EQUIVALENT DESIGNATIONSWerkstoff

NrDésignation commercialeCommercial designation

N08028

N08904

S31254

S31803

SANICRO 28®

NICROFER 31.27 LC®

URANUS B 6®

904 L®

254 SLX®

2 RK 65®

CRONIFER 19.25 LC®

254 SMO®

DUPLEX 22.05®

SAF 22.05®

223 FAL®

CRONIFER 22.05 LCN®

URANUS 45 N®

1.4563

1.4539

1.4547

1.4462

UNSDesignation

ASTMComposition % Correspondance

C (1) NiCr MoAutresOthers

AFNOREuropéenne / European

symbolique numér.

410430304304H304L310S

316

316H

316L

316Ti

317L

321

347

0,150,120,08

0,04–0,100,0350,08

0,08

0,04–0,10

0,035

0,08

0,035

0,08

0,08

11,5–13,516–1818–2018–2018–2024–26

16–18

16–18

16–18

16–18

18–20

17–20

17–20

8–118–118–1319–22

11–14

11–14

10–15

10–14

11–15

9–13

9–13

2,0–3,0

2,0–3,0

2,0–3,0

2,0–2,5

3,0–4,0

5 x (C+N) ≤ Ti≤ 0,70

5 x C ≤ Ti≤ 0,70

10 x C ≤Nb+Ta ≤ 1,00

Z12C13Z8C17Z6CN18.09Z6CN18.09Z2CN18.10Z8CN25.20Z6CND17.11(2)

Z6CND17.12(3)

Z2CND17.12(2)

Z2CND17.13(3)

Z8CNDT17.12(2)

Z8CNDT17.13(3)

Z2CND19.15

Z6CNT18.10

Z6CNNb18.10

X12Cr13X6Cr17X5CrNi18.10X6CrNi18.10X2CrNi19.11X8CrNi25.21X5CrNiMo17.12.2X3CrNi Mo17.13.3

X2CrNiMo17.12.2X2CrNiMo18.14.3X6CrNiMoTi17.12.2

X2CrNiMo18.15.4

X6CrNiTi18.10

X6CrNiNb18.10

1.40061.40161.43011.49481.43061.48451.44011.4436

1.44041.44351.4571

1.4438

1.4541

1.4550

gradeequivalence

(1) Teneur maximum, sauf indication contraire.(2) Teneur en molybdène : 2,0 à 2,5 %.(3) Teneur en molybdène : 2,5 à 3,0 %.

(1) Maximum, unless otherwise specified.(2) Molybdenum content : 2.0 % to 2.5 %.(3) Molybdenum content : 2.5 % to 3.0 %.

équivalenceentre nuances