| |
|
|
|
|
|
|
|
|
|
|
|
|
Table 17 Pressure-Temperature Ratings for Group 2.1
Materials
|
|
|
|
Nominal
|
|
|
|
|
|
|
|
|
|
|
Designation
|
|
Forgings
|
|
Castings
|
|
Plates
|
|
|
|
|
18Cr-8Ni
|
|
A182 Gr. F304 [Note
(1)]
|
A351 Gr. CF3 [Note (2)]
|
A240 Gr. 304 [Note (1)]
|
|
|
|
18Cr-8Ni
|
|
A182 Gr. F304H
|
|
A351 Gr. CF8 [Note
(1)]
|
A240 Gr. 304H
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Notes:
|
|
|
|
|
|
|
|
|
|
|
(1) At temperatures
over 538°C, use only when the carbon content is 0.04% or higher.
|
|
| |
|
(2) Not to be used over 425°C.
|
|
|
|
Table 18 Pressure-Temperature Ratings for Group 2.2
Materials
|
|
|
|
Nominal
|
|
|
|
|
|
|
|
|
|
|
Designation
|
|
Forgings
|
|
Castings
|
|
Plates
|
|
|
|
|
16Cr-12Ni-2Mo
|
|
A182 Gr. F316 [Note (1)]
|
A351 Gr. CF3M [Note (2)]
|
A240 Gr. 316 [Note (1)]
|
|
|
|
16Cr-12Ni-2Mo
|
|
A182 Gr. F316H
|
|
A351 Gr. CF8M [Note (1)]
|
A240 Gr. 316H
|
|
|
|
|
18Cr-13Ni-3Mo
|
|
A182 Gr. F317 [Note
(1)]
|
…
|
|
A240 Gr. 317 [Note
(1)]
|
|
|
|
19Cr-10Ni-3Mo
|
|
…
|
|
A351 Gr. CG8M [Note
(3)]
|
…
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Notes:
|
|
|
|
|
|
|
|
|
| |
|
(1) At temperatures over 538°C, use only when
the carbon content is 0.04% or higher.
|
|
| |
|
(2) Not to be used over 455°C.
|
|
| |
|
(3) Not to be used over 538°C.
|
|
|
|
Table 19 Pressure-Temperature Ratings for Group 2.3
Materials
|
|
|
|
Nominal
|
|
|
|
|
|
|
|
|
|
|
Designation
|
|
Forgings
|
|
Castings
|
|
Plates
|
|
|
|
|
18Cr-8Ni
|
|
A182 Gr. F304L [Note
(1)]
|
…
|
|
A240 Gr. 304L [Note (1)]
|
|
|
|
16Cr-12Ni-2Mo
|
|
A182 Gr. F316L
|
|
…
|
|
A240 Gr. 316L
|
|
|
|
|
18Cr-13Ni-3Mo
|
|
A182 Gr. F317L
|
|
…
|
|
…
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Note:
|
|
|
|
|
|
|
|
|
| |
|
(1) Not to be used
over 425°C.
|
|
|
|
Table 20 Pressure-Temperature Ratings for Group 2.4
Materials
|
|
|
|
Nominal
|
|
|
|
|
|
|
|
|
|
|
Designation
|
|
Forgings
|
|
Castings
|
|
Plates
|
|
|
|
|
18Cr-10Ni-Ti
|
|
A182 Gr. F321 [Note (2)]
|
…
|
|
A240 Gr. 321 [Note (2)]
|
|
|
|
18Cr-10Ni-Ti
|
|
A182 Gr. F321H [Note
(1)]
|
…
|
|
A240 Gr. 321H [Note (1)]
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Notes:
|
|
|
|
|
|
|
|
|
| |
|
(1) At temperatures over 538°C, use only if the
material is heat treated by heating to a minimum tem perature of 1 095°C.
|
|
| |
|
(2) Not to be used over 538°C.
|
|
|
|
Table 21 Pressure-Temperature Ratings for Group 2.5
Materials
|
|
|
|
Nominal
|
|
|
|
|
|
|
|
|
|
|
Designation
|
|
Forgings
|
|
Castings
|
|
Plates
|
|
|
|
|
18Cr-10Ni-Cb
|
|
A182 Gr. F347 [Note (2)]
|
…
|
|
A240 Gr. 347 [Note (2)]
|
|
|
|
18Cr-10Ni-Cb
|
|
A182 Gr. F347H [Note
(1)]
|
…
|
|
A240 Gr. 347H [Note (1)]
|
|
|
|
18Cr-10Ni-Cb
|
|
A182 Gr. F348 [Note (2)]
|
…
|
|
A240 Gr. 348 [Note (2)]
|
|
|
|
18Cr-10Ni-Cb
|
|
A182 Gr. F348H [Note
(1)]
|
…
|
|
A240 Gr. 348H [Note (1)]
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Notes:
|
|
|
|
|
|
|
|
|
| |
|
(1) For temperatures over 538°C, use only if
the material is heat treated by heating to a minimum tem perature of 1
095°C.
|
|
| |
|
(2) Not to be used over 538°C.
|
|
| |
|
Table 22 Pressure-Temperature Ratings for Group 2.6
Materials
|
|
| |
|
Nominal
|
|
|
|
|
|
|
|
|
|
|
Designation
|
|
Forgings
|
|
Castings
|
|
Plates
|
|
|
| |
|
23Cr-12Ni
|
|
…
|
|
…
|
|
A240 Gr. 309H
|
|
|
| |
|
Table 23 Pressure-Temperature Ratings for Group 2.7
Materials
|
|
|
|
Nominal
|
|
|
|
|
|
|
|
|
|
|
Designation
|
|
Forgings
|
|
Castings
|
|
Plates
|
|
|
|
|
25Cr-20Ni
|
|
A182 Gr. F310 [Notes
(1), (2)]
|
…
|
|
A240 Gr. 310H
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| |
|
Notes:
|
|
|
|
|
|
|
|
|
| |
|
(1) At temperatures
over 538°C, use only when the carbon content is 0.04% or higher.
|
|
| |
|
(2) Service temperatures of 565°C and above
should be used only when assurance is provided that grain size is not finer
than ASTM 6.
|
|
|
|
Table 24 Pressure-Temperature Ratings for Group 2.8
Materials
|
|
|
|
Nominal
|
|
|
|
|
|
|
|
|
|
|
Designation
|
|
Forgings
|
|
Castings
|
|
Plates
|
|
|
|
|
20Cr-18Ni-6Mo
|
A182 Gr. F44
|
|
A351 Gr. CK3MCuN
|
A240 Gr. S31254
|
|
|
|
22Cr-5Ni-3Mo-N
|
A182 Gr. F51 [Note (1)]
|
…
|
|
A240 Gr. S31803 [Note
(1)]
|
|
|
|
25Cr-7Ni-4Mo-N
|
A182 Gr. F53 [Note (1)]
|
…
|
|
A240 Gr. S32750 [Note
(1)]
|
|
|
|
24Cr-10Ni-4Mo-V
|
…
|
|
A351 Gr. CE8MN [Note
(1)]
|
…
|
|
|
|
|
25Cr-5Ni-2Mo-3Cu
|
…
|
|
A995 Gr. CD4MCu [Note
(1)]
|
…
|
|
|
|
|
25Cr-7Ni-3.5Mo-W-Cb
|
…
|
|
A995 Gr. CD3MWCuN [Note
(1)]
|
…
|
|
|
| |
|
25Cr-7Ni-3.5Mo-N-Cu-W
|
A182 Gr. F55 [Note
(1)]
|
…
|
|
A240 Gr. S32760 [Note
(1)]
|
|
|
|
|
|
|
|
|
|
|
|
|
| |
|
Note:
|
|
|
|
|
|
|
|
|
| |
|
(1) This steel may
become brittle after service at moderately elevated temperatures. Not to be
used over 315°C.
|
|
| |
|
Table 25 Pressure-Temperature Ratings for Group 2.9
Materials
|
|
|
|
Nominal
|
|
|
|
|
|
|
|
|
|
|
Designation
|
|
Forgings
|
|
Castings
|
|
Plates
|
|
|
|
|
23Cr-12Ni
|
|
…
|
|
…
|
|
A240 Gr. 309S [Notes
(l)-(3)]
|
|
|
|
25Cr-20Ni
|
|
…
|
|
…
|
|
A240 Gr. 310S [Notes
(l)-(3)]
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Notes:
|
|
|
|
|
|
|
|
|
| |
|
(1) At temperatures
over 538°C, use only when the carbon content is 0.04% or higher.
|
|
| |
|
(2) At temperatures
above 538°C, use only if the material is solution heat treated to the minimum
tem perature specified in the specification, but not lower than 1035°C, and
quenching in water or rap idly cooling by other means.
|
|
| |
|
(3) This material
should be used for service temperatures 565°C and above only when assurance
is provided that grain size is not finer than ASTM 6.
|
|
|
|
Table 26 Pressure-Temperature Ratings for Group
2.10 Materials
|
|
|
|
Nominal
|
|
|
|
|
|
|
|
|
|
|
Designation
|
|
Forgings
|
|
Castings
|
|
Plates
|
|
|
|
|
25Cr-12Ni
|
|
…
|
|
A351 Gr. CH8 [Note (1)]
|
…
|
|
|
|
|
25Cr-12Ni
|
|
…
|
|
A351 Gr. CH20 [Note
(1)]
|
…
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| |
|
Note:
|
|
|
|
|
|
|
|
|
| |
|
(1) At temperatures
over 538°C, use only when the carbon content is 0.04% or higher.
|
|
|
|
Table 27 Pressure-Temperature Ratings for Group
2.11 Materials
|
|
|
|
Nominal
|
|
|
|
|
|
|
|
|
|
|
Designation
|
|
Forgings
|
|
Castings
|
|
Plates
|
|
|
|
|
18Cr-10Ni-Cb
|
|
…
|
|
A351 Gr. CF8C [Note (1)]
|
…
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Note:
|
|
|
|
|
|
|
|
|
| |
|
(1) At temperatures
over 538°C, use only when the carbon content is 0.04% or higher.
|
|
|
|
Table 28 Pressure-Temperature Ratings for Group
2.12 Materials
|
|
|
|
Nominal
|
|
|
|
|
|
|
|
|
|
|
Designation
|
|
Forgings
|
|
Castings
|
|
Plates
|
|
|
|
|
25Cr-20Ni
|
|
…
|
|
A351 Gr. CK20 [Note (1)]
|
…
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Note:
|
|
|
|
|
|
|
|
|
| |
|
(1) At temperatures
over 538°C, use only when the carbon content is 0.04% or higher.
|
|