Boiler PVQ Plates

Specification & Description

Grade

Chemistry (%)

Mechanical Properties

C

Mn

S

P

Si

Cr

Ni

Cu

Mo

Nb+V+Ti

YS

UTS

%El

ASTM A 515 grade Pressure vessel plates for intermediate & high temperature service

60 (415)

0.24 max

0.90 max

0.035 max

0.035 max

0.15-0.40

220 min

415-550

21 min

65 (450)

0.28 max

0.90 max

0.035 max

0.035 max

0.15-0.40

240 min

450-585

19 min

70 (485)

0.31 max

1.20 max

0.035 max

0.035 max

0.15-0.40

260 min

485-620

17 min

ASTM A 516 grade

55 (380)

0.18 max

0.60-0.90

0.035 max

0.035 max

0.15-0.40

205 min

380-515

23 min

Pressure vessel plates for moderate & low tempera-ture service

60 (410)

0.21 max

0.60-0.90

0.035 max

0.035 max

0.15-0.40

220 min

415-585

21 min

65 (450)

0.24 max

0.85-1.20

0.035 max

0.035 max

0.15-0.40

240 min

450-585

19 min

70 (485)

0.27 max

0.85-1.20

0.035 max

0.035 max

0.15-0.40

260 min

485-620

17 min

IS 2002-1992

1

0.18 max

0.50-1.20

0.040 max

0.035 max

0.15-0.35

235 min

360-480

24 min

Pressure vessel plates for intermediate & high temperature service

2

0.20 max

0.50-1.20

0.040 max

0.035 max

0.15-0.35

265 min

410-510

22 min

3

0.22 max

0.50-1.20

0.040 max

0.035 max

0.15-0.35

290 min

460-560

21 min

ASTM A 537 class I

0.24 max

0.70-1.35

0.040 max

0.035 max

0.15-0.50

0.25 max

0.25 max

0.35 max

0.08 max

0.15 max

345 min

485-620

22 min

High strength pressure vessel plates-heat treated

ASTM A387M

Gr 2 Cl-1

0.05-0.21

0.55-0.80

0.035max

0.035max

0.15-0.40

0.50 - 0.80

0.45 - 60

228min

380-550

22 min

Steel alloy for high temp. & pressure vessels

Cl-2

310min

485-620

22 min

Gr 11 Cl-1

0.05-0.17

0.40-0.65

0.035max

0.035max

0.15-0.40

0.80 - 1.15

0.45 - 60

242min

415-585

22 min

Cl-2

310min

515-690

22 min

Gr 12 Cl-1

0.05-0.17

0.40-0.65

0.035max

0.035max

0.50-0.80

1.0 - 1.5

0.45 - 65

228min

380-550

22 min

Cl-2

275min

450-585

23 min

Gr22 Cl-1

0.05-0.15

0.30-0.60

0.035max

0.035max

0.50max

2.0 - 2.5

0.90-1.10

210min

415-585

18 min

Cl-2

310min

515-690

18 min

ASTM A204M-93

A

0.18max

0.90max

0.035max

0.035max

0.15-0.40

255 min

450-585

23 min

Steel alloy for pressure vessel plate

B

0.20max

0.90max

0.035max

0.035max

0.15-0.40

275min

485-620

21 min

C

0.23max

0.90max

0.035max

0.035max

0.15-0.40

295min

515-655

20 min