ASTM A965 - A 965M - 24 容压件用奥氏体－铁素体（用二联法）不锈钢铸件技术规范

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Designation: A965/A965M −24
Standard Speciﬁcation for
Steel Forgings, Austenitic, for Pressure and High
Temperature Parts
1
This standard is issued under the ﬁxed designation A965/A965M; the number immediately following the designation indicates the year
of original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval.
A superscript epsilon (´) indicates an editorial change since the last revision or reapproval.
1. Scope*
1.1 This speciﬁcation covers austenitic stainless steel forg-
ings for boilers, pressure vessels, high temperature parts, and
associated equipment.
1.2 Supplementary requirements are provided for use when
additional testing, inspection, or processing is required. In
addition, supplementary requirements from Speciﬁcation
A788/A788M may be speciﬁed when appropriate.
1.3 This speciﬁcation includes the austenitic steel forgings
that were a part of Speciﬁcation A336/A336M.
1.4 The values stated in either SI units or inch-pound units
are to be regarded separately as standard. The values stated in
each system are not necessarily exact equivalents; therefore, to
ensure conformance with the standard, each system shall be
used independently of the other, and values from the two
systems shall not be combined.
1.5 Unless the order speciﬁes the applicable “M” speciﬁca-
tion designation, the material shall be furnished to the inch-
pound units.
1.6 This standard does not purport to address all of the
safety concerns, if any, associated with its use. It is the
responsibility of the user of this standard to establish appro-
priate safety, health, and environmental practices and deter-
mine the applicability of regulatory limitations prior to use.
1.7 This international standard was developed in accor-
dance with internationally recognized principles on standard-
ization established in the Decision on Principles for the
Development of International Standards, Guides and Recom-
mendations issued by the World Trade Organization Technical
Barriers to Trade (TBT) Committee.
2. Referenced Documents
2.1 ASTM Standards:
2
A336/A336M Speciﬁcation for Alloy Steel Forgings for
Pressure and High-Temperature Parts
A370 Test Methods and Deﬁnitions for Mechanical Testing
of Steel Products
A745/A745M Practice for Ultrasonic Examination of Aus-
tenitic Steel Forgings
A788/A788M Speciﬁcation for Steel Forgings, General Re-
quirements
A1058 Test Methods for Mechanical Testing of Steel
Products—Metric
E112 Test Methods for Determining Average Grain Size
2.2 Other Standards:
ASME Boiler and Pressure Vessel Code, including Section
VIII Pressure Vessels and Section IX
3
A5.11/A5.11M Speciﬁcation for Nickel and Nickel-Alloy
Welding Electrodes for Shielded Metal Arc Welding
4
A5.14/A5.14M Speciﬁcation for Nickel and Nickel-Alloy
Bare Welding Electrodes and Rods
4
3. Ordering Information and General Requirements
3.1 In addition to the ordering information required by
Speciﬁcation A788/A788M, the intended use should be stated
if 5.1 is to be applicable.
3.2 Material supplied to this speciﬁcation shall conform to
the requirements of Speciﬁcation A788/A788M, which out-
lines additional ordering information, manufacturing
requirements, testing and retesting methods and procedures,
1
This speciﬁcation is under the jurisdiction of ASTM Committee A01 on Steel,
Stainless Steel and Related Alloys and is the direct responsibility of Subcommittee
A01.06 on Steel Forgings and Billets.
Current edition approved May 1, 2024. Published May 2024. Originally
approved in 1996. Last previous edition approved in 2023 as A965/A965M – 23.
DOI: 10.1520/A0965_A0965M-24.
2
For referenced ASTM standards, visit the ASTM website, www.astm.org, or
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
Standards volume information, refer to the standard’s Document Summary page on
the ASTM website.
3
Available from American Society of Mechanical Engineers (ASME), ASME
International Headquarters, Two Park Ave., New York, NY 10016-5990, http://
www.asme.org.
4
Available from American Welding Society (AWS), 8669 NW 36 St., #130,
Miami, FL 33166-6672, http://www.aws.org.
*A Summary of Changes section appears at the end of this standard
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the
Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.
1

marking, certiﬁcation, product analysis variations, and addi-
tional supplementary requirements.
3.3 If the requirements of this speciﬁcation are in conﬂict
with the requirements of Speciﬁcation A788/A788M, the
requirements of this speciﬁcation shall prevail.
3.4 If the forgings are intended for use under the ASME
Boiler and Pressure Vessel Code at temperatures exceeding
1000 °F [540 °C], then use Supplementary Requirement S7.
Grain size requirements for service exceeding 1000 °F
[540 °C] should be speciﬁed unless the required grade has the
suffix “H.” This requirement does not apply to Grade F35030
forgings unless stated on the purchase order.
4. Melting and Forging
4.1 In addition to the melting and forging requirements of
Speciﬁcation A788/A788M, which may include Supplemen-
tary Requirement S8, the following condition applies:
4.1.1 A sufficient discard shall be made to secure freedom
from injurious pipe and undue segregation.
5. Machining
5.1 Forged pressure vessels for steam power service shall
have the inner surface machined or ground. Unﬁred pressure
vessels shall have the inner surfaces sufficiently free of scale to
permit inspection.
5.2 When rough machining is performed, it may be done
either before or after heat treatment.
6. Heat Treatment
6.1 Forgings shall be furnished in the solution treated
condition. On completion of forging operations, the forgings
shall be solution annealed and quenched in water, oil, or a
polymer water solution until the forging(s) are below 500 °F.
Direct quenching after completion of forging without subse-
quent reheating to the temperatures prescribed in 6.2 – 6.13 is
not permissible.
6.2 For Grades F304H, F309H, F310H, F316H, F321H,
F347H, and F348H, the minimum solution annealing tempera-
ture shall be 1925 °F [1050 °C].
6.3 Grade FXM-11 shall be solution annealed at a minimum
of 1950 °F [1065 °C].
6.4 Grade F20 shall be solution annealed in the temperature
range of 1700 °F to 1850 °F [925 °C to 1010 °C].
6.5 Grade F46 shall be solution annealed in the temperature
range of 2010 °F to 2140 °F [1100 °C to 1170 °C].
6.6 Grade F62 shall be solution annealed at a minimum of
2025 °F [1107 °C].
6.7 Grade F904L shall be solution annealed in the tempera-
ture range of 1920 °F to 2100 °F [1050 °C to 1150 °C].
6.8 Grade F700 shall be solution annealed in the tempera-
ture range of 2025 °F to 2100 °F [1107 °C to 1150 °C].
6.9 Grades FNIC and F1925 shall be solution annealed in
the temperature range of 1800 °F to 1900 °F [985 °C to
1040 °C].
6.10 Grades FNIC10 and FNIC11 shall be solution annealed
in the temperature range of 2100 °F to 2150 °F [1150 °C to
1180 °C].
6.11 Grade F1925N shall be solution annealed at a mini-
mum of 2150 °F [1180 °C].
6.12 Grade F3127 shall be solution annealed in the tempera-
ture range of 2050 °F to 2160 °F [1121 °C to 1182 °C]
6.13 The remaining grades in Table 1 shall be solution
annealed at a minimum temperature of 1900 °F [1040 °C].
7. Chemical Composition
7.1 Heat Analysis—The heat analysis obtained from sam-
pling in accordance with Speciﬁcation A788/A788M shall
comply with Table 1.
7.2 Product Analysis—The manufacturer shall use the prod-
uct analysis provision of Speciﬁcation A788/A788M to obtain
a product analysis from a forging representing each heat or
multiple heat. The product analysis tolerances for carbon shall
not apply, and the carbon requirements shall conform to Table
1.
7.3 Types (common names) and UNS designations follow:
Grade Type UNS Designation
F304 304 S30400
F304H 304H S30409
F304L 304L S30403
F304N 304N S30451
F304LN 304LN S30453
F309H 309H S30909
F310 310 S31000
F310H 310H S31009
F316 316 S31600
F316H 316H S31609
F316L 316L S31603
F316N 316N S31651
F316LN 316LN S31653
F70 ... S31730
F321 321 S32100
F321H 321H S32109
F347 347 S34700
F347H 347H S34709
F347LN 347LN S34751
F348 348 S34800
F348H 348H S34809
FXM-19 XM19 S20910
FXM-11 XM11 S21904
F20 Alloy 20 N08020
F46 ... S30600
F62 ... N08367
F904L 904L N08904
F700 ... N08700
FNIC NIC N08800
FNIC10 NIC10 N08810
FNIC11 NIC11 N08811
F1925 1925 N08925
F1925N 1925N N08926
F35030 ... S35030
F3127 ... N08031
8. Mechanical Properties
8.1 Requirements—The material shall conform to the re-
quirements for mechanical properties prescribed in Table 2 or,
if applicable, Supplementary Requirement S2. The largest
obtainable tension test specimen as speciﬁed in Test Methods
and Deﬁnitions A370 or Test Methods A1058 shall be used.
A965/A965M − 24
2

8.2 Number of Tests—The number and location of tests are

based on the heat-treated weight of the forging(s) from the

same heat, solution annealed in the same furnace charge.

8.2.1 For forgings weighing less than 5000 lb [2250 kg] as

heat treated, one tension test shall be required on the basis of

one test per heat in each heat treatment load. This test shall be

taken from a prolongation of one of the forgings. Use of a

separately forged test bar for the mechanical test specimens,

instead of an integral prolongation, is acceptable for forgings

weighing less than 5000 lb [2250 kg], provided that the

heat-treated cross section of the test bar is not less than the

maximum heat-treated cross section of the forgings it repre-

sents. The separately forged test bar shall be from the same

TABLE 1 Chemical Requirements

Element

Carbon Manganese Phosphorus Sulfur Silicon Nickel Chromium Molybdenum Niobium Nitrogen Other

Grade UNS

Designation

F304 S30400 0.08 2.00 0.045 0.030 1.00 8.0–11.0 18.0–20.0 ... ... ... ...

F304H S30409 0.04–0.10 2.00 0.045 0.030 1.00 8.0–11.0 18.0–20.0 ... ... ... ...

F304L S30403 0.030 2.00 0.045 0.030 1.00 8.0–12.0 18.0–20.0 ... ... ... ...

F304N S30451 0.08 2.00 0.045 0.030 1.00 8.0–11.0 18.0–20.0 ... ... 0.10–0.16 ...

F304LN S30453 0.030 2.00 0.045 0.030 1.00 8.0–11.0 18.0–20.0 ... ... 0.10–0.16 ...

F309H S30909 0.04–0.10 2.00 0.045 0.030 1.00 12.0–15.0 22.0–24.0 ... ... ... ...

F310 S31000 0.15 2.00 0.045 0.030 1.00 19.0–22.0 24.0–26.00 ... ... ... ...

F310H S31009 0.04–0.10 2.00 0.045 0.030 1.00 19.0–22.0 24.0–26.00 ... ... ... ...

F316 S31600 0.08 2.00 0.045 0.030 1.00 10.0–14.0 16.0–18.0 2.00–3.00 ... ... ...

F316H S31609 0.04–0.10 2.00 0.045 0.030 1.00 10.0–14.0 16.0–18.0 2.00–3.00 ... ... ...

F316L S31603 0.035 2.00 0.040 0.030 1.00 10.0–15.0 16.0–18.0 2.00–3.00 ... ... ...

F316N S31651 0.08 2.00 0.045 0.030 1.00 10.0–13.0 16.0–18.0 2.00–3.00 ... 0.10–0.16 ...

F316LN S31653 0.030 2.00 0.045 0.030 1.00 10.0–13.0 16.0–18.0 2.00–3.00 ... 0.10–0.16 ...

F70 S31730 0.030 2.00 0.040 0.010 1.00 15.0–16.5 17.0–19.0 3.0–4.0 ... 0.045 Cu 4.0–5.0

F321 S32100 0.08 2.00 0.045 0.030 1.00 9.0–12.0 17.0–19.0 ... ... 0.10 Ti

5×(C+N)–

0.70

F321H S32109 0.04–0.10 2.00 0.045 0.030 1.00 9.0–12.0 17.0–19.0 ... ... ... Ti

4×(C+N)–

0.70

F347 S34700 0.08 2.00 0.045 0.030 1.00 9.0–12.0 17.0–19.0 ... 10×C–1.10

... ...

F347H S34709 0.04–0.10 2.00 0.045 0.030 1.00 9.0-12.0 17.0–19.0 ... 8×C-1.10 ... ...

F347LN S34751 0.005–0.020 2.00 0.045 0.030 1.00 9.0–13.0 17.0–19.0 ... 0.20–0.50

15×C min

0.06–0.10 ...

F348 S34800 0.08 2.00 0.045 0.030 1.00 9.0–12.0 17.0–19.0 ... 10×C–1.10 ... Co 0.020,

Ta 0.10

F348H S34809 0.04–0.10 2.00 0.045 0.030 1.00 9.0–12.0 17.0–19.0 ... 8×C–1.10 ... Co 0.020,

Ta 0.10

FXM-19 S20910 0.06 4.0-6.0 0.045 0.030 1.00 11.5–13.5 20.5–23.5 1.50–3.00 0.10–0.30 0.20–0.40 V 0.10–0.30

FXM-11 S21904 0.04 8.0-10.0 0.045 0.030 1.00 5.5–7.5 19.0–21.5 ... ... 0.15–0.40 ...

F20 N08020 0.07 2.00 0.045 0.035 1.00 32.0–38.0 19.0–21.0 2.00–3.00 8×C

min–1.00

... Cu 3.0–4.0

F46 S30600 0.018 2.00 0.020 0.020 3.7-4.3 14.0–15.5 17.0-18.5 0.20 ... ... Cu 0.50

F62 N08367 0.030 2.00 0.040 0.030 1.00 23.5–25.5 20.0–22.0 6.0–7.0 ... 0.18–0.25 ...

F904L N08904 0.020 2.00 0.040 0.030 1.00 23.0–28.0 19.0–23.0 4.0–5.0 ... 0.10 Cu 1.00–2.00

F700 N08700 0.04 2.00 0.040 0.030 1.00 24.0–26.0 19.0–23.0 4.3–5.0 8×C min

0.40 max

... Cu 0.50

FNIC N08800 0.10 1.50 0.045 0.015 1.00 30.0–35.0 19.0–23.0 ... ... ... Ti 0.15–0.60

Al 0.15–0.60

Cu 0.75

Fe 39.5 min

FNIC10 N08810 0.05–0.10 1.50 0.045 0.015 1.00 30.0–35.0 19.0–23.0 ... ... ... Ti 0.15–0.60

Al 0.15–0.60

Cu 0.75

Fe 39.5 min

FNIC11 N08811 0.06–0.10 1.50 0.040 0.015 1.00 30.0–35.0 19.0–23.0 ... ... ... Ti 0.25–0.60

Al 0.25–0.60

Cu 0.75

Fe 39.5 min

F1925 N08925 0.020 1.00 0.045 0.030 0.50 24.0–26.0 19.0–21.0 6.0–7.0 ... 0.10–0.20

Cu 0.80–1.50

F1925N N08926 0.020 2.00 0.030 0.010 0.50 24.0–26.0 19.0–21.0 6.0–7.0 ... 0.15–0.25

Cu 0.50–1.50

F35030 S35030 0.05–0.10 1.50 0.030 0.015 0.50–2.0 22.5–27.5 18.5–22.5 ... 0.25–0.75 0.05–0.15

Cu: 2.50–3.50

F3127 N08031 0.015 2.00 0.020 0.010 0.3 30.0–32.0 26.0–28.0 6.0–7.0 ... ... N: 0.15–0.25

Cu: 1.00–1.40

Max. unless min or a range is indicated. Where ellipses (...) appear in this table, there is no requirement and the element need not be analyzed for or reported.

Alternatively, tantalum may be substituted for part of the columbium as approved by the purchaser.

Ti + Al shall be 0.85 % min: 1.20 % max.

The method of analysis for nitrogen shall be a matter of agreement between purchaser and manufacturer.

A965/A965M − 24

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标签： #容压件 #奥氏体 #铁素体

摘要：

ASTM A995/A995M-2024 Standard Specification for Castings, Austenitic-Ferritic (Duplex) Stainless Steel, for Pressure-Containing Parts 容压件用奥氏体－铁素体（用二联法）不锈钢铸件技术规范

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