HEAT TREATMENT MANUAL FOR POWER SECTOR

CHAPTER -1

BHEL – POWER SECTOR 21

TABLE - IV

P NUMBER AND GROUP NUMBER FOR BASE MATERIALS

P.No Group No.

Common Name Tubes Pipes Plates Forgings Castings Fittings

P1 1

Carbon Steels

SA192 SA106GRB SA36 SA266CL SA216WC SA234

SA210GRA1 SA515GR55 SA352LC

SA515GR60 SA352LC

SA515GR65

SA516GR55

SA516GR60

SA516GR65

P1 2

Carbon Steels

SA210GRC SA106GRC SA515GR70 SA266CL SA216WC SA105

SA516GR70 SA216WC SA234

SA299 SA352LC

P3 1 Carbon-Moly Steels

SA209T1 SA335P1 SA217WC

P3 1 ½Cr½Mo Steels

SA213T2 SA335P2 SA387GR2

P4 1

1Cr½Mo/ 1¼Cr½Mo Steels

SA213T12/ SA335P12 SA387GR12 SA182F1 SA217WC SA234

SA213T11 SA335P11 SA387GR11 SA182F1 SA234

P5A 1 2¼Cr1Mo Steels

SA213T22 SA335P22 SA387GR22 SA182F2 SA217WC SA234

P15

E 2

9Cr1MoV Steels SA213T91 SA335P91 SA387GR91 SA182F91 SA234

WP91

P8 1

18Cr-8Ni Steels SA213TP304 SA376TP304 SA240TP304 SA182F3 SA351CF SA403

SA213TP304 SA376TP304H SA240TP321 SA182F3 SA351CF

SA213TP347 SA376TP321 SA240TP347 SA182F3 SA351CF

SA213TP347 SA376TP347 SA336F3 SA351CF

SA213TP321 SA376TP347H SA336F3 SA351CF

SA336F3 SA351CF

P8 2 25Cr-20Ni Steel (Type 310)

SA240TP310 SA182F310 SA351CK

20

Note : IS1239 & API 5L GR B Pipes, IS2062 Plates may be treated as P No.1 Gr No.1 material.