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Table 2-2.1C Pressure-Temperature Ratings for Group
2.1 Materials
|
|
|
|
Nominal
|
|
|
|
|
|
|
|
|
|
|
Designation
|
|
Forgings
|
|
Castings
|
|
Plates
|
|
|
|
|
18Cr-8Ni
|
|
A182 Gr. F304 (1)
|
|
A351 Gr. CF3 (2)
|
|
A240 Gr. 304 (1)
|
|
|
|
|
18Cr-8Ni
|
|
A182 Gr. F304H
|
|
A351 Gr. CF8 (1)
|
|
A240 Gr. 304H
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| |
|
Notes:
|
|
|
|
|
|
|
|
|
| |
|
(1) At temperatures over 1000°F, use only when
the carbon content is 0.04% or higher.
|
|
| |
|
(2) Not to be used over 800°F.
|
|
|
|
Table 2-2.2C Pressure-Temperature Ratings for Group
2.2 Materials
|
|
|
|
Nominal
|
|
|
|
|
|
|
|
|
|
|
Designation
|
|
Forgings
|
|
Castings
|
|
Plates
|
|
|
|
|
16Cr-12Ni-2Mo
|
|
A182 Gr. F316 (1)
|
|
A351 Gr. CF3M (2)
|
|
A240 Gr. 316 (1)
|
|
|
|
|
|
|
A182 Gr. F316H
|
|
A351 Gr. CF8M (1)
|
|
A240 Gr. 316H
|
|
|
| |
|
18Cr-13Ni-3Mo
|
|
A182 Gr. F317 (1)
|
|
…
|
|
A240 Gr. 317 (1)
|
|
|
| |
|
19Cr-10Ni-3Mo
|
|
…
|
|
A351 Gr. CG8M (3)
|
|
…
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| |
|
Notes:
|
|
|
|
|
|
|
|
|
| |
|
(1) At temperatures
over 1000°F, use only when the carbon content is 0.04% or higher.
|
|
| |
|
(2) Not to be used over 850°F.
|
|
| |
|
(3) Not to be used over 1000°F.
|
|
| |
|
Table 2-2.3C Pressure-Temperature Ratings for Group
2.3 Materials
|
|
| |
|
Nominal
|
|
|
|
|
|
|
|
|
| |
|
Designation
|
|
Forgings
|
|
Castings
|
|
Plates
|
|
|
| |
|
16Cr-12Ni--2Mo
|
|
A182 Gr. F316L
|
|
…
|
|
A240 Gr. 316L
|
|
|
| |
|
18Cr-13Ni--3Mo
|
|
A182 Gr. F317L
|
|
…
|
|
…
|
|
|
| |
|
18Cr-8Ni
|
|
A182 Gr. F304L (1)
|
|
…
|
|
A240 Gr. 304L (1)
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| |
|
Note:
|
|
|
|
|
|
|
|
|
| |
|
(1) Not to be used
over 800°F.
|
|
| |
|
Table 2-2.4C Pressure-Temperature Ratings for Group
2.4 Materials
|
|
| |
|
Nominal
|
|
|
|
|
|
|
|
|
| |
|
Designation
|
|
Forgings
|
|
Castings
|
|
Plates
|
|
|
| |
|
18Cr-10Ni-Ti
|
|
A182 Gr. F321 (1)
|
|
…
|
|
A240 Gr. 321 (1)
|
|
|
| |
|
18Cr-10Ni-Ti
|
|
A182 Gr. F321H (2)
|
…
|
|
A240 Gr. 321H (2)
|
|
|
|
|
|
|
|
|
|
|
|
|
| |
|
Notes:
|
|
|
|
|
|
|
|
|
| |
|
(1) Not to be used over 1000°F.
|
|
| |
|
(2) At temperatures over 1000°F, use only if
the material is heat treated by heating to a minimum tem perature of
2000°F.
|
|
| |
|
Table 2-2.5C Pressure-Temperature Ratings for Group
2.5 Materials
|
|
| |
|
Nominal
|
|
|
|
|
|
|
|
|
| |
|
Designation
|
|
Forgings
|
|
Castings
|
|
Plates
|
|
|
| |
|
18Cr-10Ni-Cb
|
|
A182 Gr. F347 (1)
|
|
…
|
|
A240 Gr. 347 (1)
|
|
|
| |
|
18Cr-10Ni-Cb
|
|
A182 Gr. F347H (2)
|
…
|
|
A240 Gr. 347H (2)
|
|
| |
|
18Cr-10Ni-Cb
|
|
A182 Gr. F348 (1)
|
|
…
|
|
A240 Gr. 348 (1)
|
|
|
| |
|
18Cr-10Ni-Cb
|
|
A182 Gr. F348H (2)
|
|
…
|
|
A240 Gr. 348H (2)
|
|
|
|
|
|
|
|
|
|
|
|
|
| |
|
Notes:
|
|
|
|
|
|
|
|
|
| |
|
(1) Not to be used over 1000°F.
|
|
| |
|
(2) At temperatures over 1000°F, use only if
the material is heat treated by heating to a minimum tem perature of
2000°F.
|
|
| |
|
Table 2-2.6C Pressure-Temperature Ratings for Group
2.6 Materials
|
|
| |
|
Nominal
|
|
|
|
|
|
|
|
|
| |
|
Designation
|
|
Forgings
|
|
Castings
|
|
Plates
|
|
|
| |
|
23Cr-12Ni
|
|
…
|
|
…
|
|
A240 Gr. 309H
|
|
|
| |
|
Table 2-2.7C Pressure-Temperature Ratings for Group
2.7 Materials
|
|
| |
|
Nominal
|
|
|
|
|
|
|
|
|
| |
|
Designation
|
|
Forgings
|
|
Castings
|
|
Plates
|
|
|
| |
|
25Cr-20Ni
|
|
A182 Gr. F310 (1), (2)
|
|
…
|
|
A240 Gr. 310H
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| |
|
Notes:
|
|
|
|
|
|
|
|
|
| |
|
(1) At temperatures
over 1000°F, use only when the carbon content is 0.04% or higher.
|
|
| |
|
(2) Service temperatures of 1050°F and above
should be used only when assurance is provided that grain size is not finer
than ASTM 6.
|
|
| |
|
Table 2-2.8C 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 (1)
|
|
…
|
|
A240 Gr. S31803 (1)
|
|
| |
|
25Cr-7Ni-4Mo-N
|
|
A182 Gr. F53 (1)
|
|
…
|
|
A240 Gr. S32750 (1)
|
|
| |
|
24Cr-10Ni-4Mo-V
|
|
…
|
|
A351 Gr. CE8MN (1)
|
|
…
|
|
|
| |
|
25Cr-5Ni-2Mo-3Cu
|
|
…
|
|
A351 Gr. CD4MCu (1)
|
|
…
|
|
|
| |
|
25Cr-7Ni-3.5Mo-W-Cb
|
|
…
|
|
A351 Gr. CD3MWCuN (1)
|
|
…
|
|
|
| |
|
25Cr-7Ni-3.5Mo-N-Cu-W
|
|
A182 Gr. F55 (1)
|
|
…
|
|
A240 Gr. S32760 (1)
|
|
|
|
|
|
| |
|
Note:
|
|
|
|
|
|
|
|
|
| |
|
(1) This steel may
become brittle after service at moderately elevated temperatures. Not to be
used over 600°F.
|
|
| |
|
Table 2-2.9C Pressure-Temperature Ratings for Group
2.9 Materials
|
|
| |
|
Nominal
|
|
|
|
|
|
|
|
|
| |
|
Designation
|
|
Forgings
|
|
Castings
|
|
Plates
|
|
|
| |
|
23Cr-12Ni
|
|
…
|
|
…
|
|
A240 Gr. 309S
(1)-(3)
|
|
| |
|
25Cr-20Ni
|
|
…
|
|
…
|
|
A240 Gr. 310S (1)-(3)
|
|
|
|
|
|
|
|
|
|
|
|
|
| |
|
Notes:
|
|
|
|
|
|
|
|
|
| |
|
(1) At temperatures over 1000°F, use only when
the carbon content is 0.04% or higher.
|
|
| |
|
(2) At temperatures
above 1000°F, use only if the material is solution heat treated to the
minimum temperature specified in the specification but not lower than 2000°F,
and quenching in water or rapidly cooling by other means.
|
|
| |
|
(3) This material should be used for service
temperatures 1050°F and above only when assurance is provided that grain size
is not finer than ASTM 6.
|
|
| |
|
Table 2-2.10C Pressure-Temperature Ratings for
Group 2.10 Materials
|
|
| |
|
Nominal
|
|
|
|
|
|
|
|
|
| |
|
Designation
|
|
Forgings
|
|
Castings
|
|
Plates
|
|
|
| |
|
25Cr-12Ni
|
|
…
|
|
A351 Gr. CH8 (1)
|
|
…
|
|
|
| |
|
25Cr-12Ni
|
|
…
|
|
A351 Gr. CH20 (1)
|
|
…
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| |
|
Note:
|
|
|
|
|
|
|
|
|
| |
|
(1) At temperatures
over 1000°F, use only when the carbon content is 0.04% or higher.
|
|
| |
|
Table 2-2.11C Pressure-Temperature Ratings for
Group 2.11 Materials
|
|
| |
|
Nominal
|
|
|
|
|
|
|
|
|
| |
|
Designation
|
|
Forgings
|
|
Castings
|
|
Plates
|
|
|
| |
|
18Cr-10Ni-Cb
|
|
…
|
|
A351 Gr. CF8C (1)
|
|
…
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| |
|
Note:
|
|
|
|
|
|
|
|
|
| |
|
(1) At temperatures
over 1000°F, use only when the carbon content is 0.04% or higher.
|
|
| |
|
Table 2-2.12C Pressure-Temperature Ratings for
Group 2.12 Materials
|
|
| |
|
Nominal
|
|
|
|
|
|
|
|
|
| |
|
Designation
|
|
Forgings
|
|
Castings
|
|
Plates
|
|
|
| |
|
25Cr-20Ni
|
|
…
|
|
A351 Gr. CK20 (1)
|
|
…
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| |
|
Note:
|
|
|
|
|
|
|
|
|
| |
|
(1) At temperatures
over 1000°F, use only when the carbon content is 0.04% or higher.
|
|