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ASTM A297/A297M-97(2003)

(Specification)

Standard Specification for Steel Castings, Iron-Chromium and Iron-Chromium-Nickel, Heat Resistant, for General Application

Standard Specification for Steel Castings, Iron-Chromium and Iron-Chromium-Nickel, Heat Resistant, for General Application

SCOPE
1.1 This specification covers iron-chromium and iron-chromium-nickel alloy castings for heat-resistant service. The grades covered by this specification are general purpose alloys and no attempt has been made to include heat-resisting alloys used for special production application.
Note 1—For heat-resisting alloys used for special product application, reference should be made to Specification A 351/A 351M, A 217/A 217M, and A 447/A 447M.  
1.2 The values stated in either inch-pound units or SI units are to be regarded separately as standard. Within the text, the SI units are shown in brackets. The values stated in each system are not exact equivalents; therefore, each system must be used independently of the other. Combining values from the two systems may result in nonconformance with the specification.

General Information

Status
Historical
Publication Date
09-Jan-2003
ICS
77.140.80 - Iron and steel castings
Technical Committee
A01 - Steel, Stainless Steel and Related Alloys
Drafting Committee
A01.18 - Castings
Current Stage
Ref Project

Relations

Replaces
ASTM A297/A297M-97(1998) - Standard Specification for Steel Castings, Iron-Chromium and Iron-Chromium-Nickel, Heat Resistant, for General Application
Effective Date
10-Jan-2003
Replaced By
ASTM A297/A297M-08 - Standard Specification for Steel Castings, Iron-Chromium and Iron-Chromium-Nickel, Heat Resistant, for General Application
Effective Date
06-May-2008
Referred By
ASTM A744/A744M-21a - Standard Specification for Castings, Iron-Chromium-Nickel, Corrosion Resistant, for Severe Service
Effective Date
10-Jan-2003
Referred By
ASTM A743/A743M-21 - Standard Specification for Castings, Iron-Chromium, Iron-Chromium-Nickel, Corrosion Resistant, for General Application
Effective Date
10-Jan-2003
Referred By
ASTM A488/A488M-18e2 - Standard Practice for Steel Castings, Welding, Qualifications of Procedures and Personnel
Effective Date
10-Jan-2003
Referred By
ASTM A451/A451M-20 - Standard Specification for Centrifugally Cast Austenitic Steel Pipe for High-Temperature Service
Effective Date
10-Jan-2003
Referred By
ASTM A957/A957M-21 - Standard Specification for Investment Castings, Steel and Alloy, Common Requirements, for General Industrial Use
Effective Date
10-Jan-2003
Referred By
ASTM A781/A781M-21 - Standard Specification for Castings, Steel and Alloy, Common Requirements, for General Industrial Use
Effective Date
10-Jan-2003

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ASTM A297/A297M-97(2003) - Standard Specification for Steel Castings, Iron-Chromium and Iron-Chromium-Nickel, Heat Resistant, for General ApplicationASTM A297/A297M-97(2003) - Standard Specification for Steel Castings, Iron-Chromium and Iron-Chromium-Nickel, Heat Resistant, for General Application
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ASTM A297/A297M-97(2003) - Standard Specification for Steel Castings, Iron-Chromium and Iron-Chromium-Nickel, Heat Resistant, for General Application
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NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.
Contact ASTM International (www.astm.org) for the latest information
Designation: A 297/A 297M – 97 (Reapproved 2003)
Standard Specification for
Steel Castings, Iron-Chromium and Iron-Chromium-Nickel,
Heat Resistant, for General Application
This standard is issued under the fixed designationA297/A297M; 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 (e) indicates an editorial change since the last revision or reapproval.
1. Scope 3. General Conditions for Delivery
1.1 This specification covers iron-chromium and iron- 3.1 Material furnished to this specification shall conform to
chromium-nickel alloy castings for heat-resistant service. The the requirements of Specification A 781/A 781M, including
grades covered by this specification are general purpose alloys any supplementary requirements that are indicated in the
and no attempt has been made to include heat-resisting alloys purchase order. Failure to comply with the general require-
used for special production application. ments of Specification A 781/A 781M constitutes nonconfor-
mance with this specification. In case of conflict between the
NOTE 1—For heat-resisting alloys used for special product application,
requirements of this specification and Specification A 781/
referenceshouldbemadetoSpecificationA 351/A 351M,A 217/A 217M,
A 781M, this specification shall prevail.
and A 447/A 447M.
1.2 The values stated in either inch-pound units or SI units
4. Ordering Information
are to be regarded separately as standard. Within the text, the
4.1 The inquiry and order should include or indicate the
SI units are shown in brackets. The values stated in each
following:
system are not exact equivalents; therefore, each system must
4.1.1 A description of the casting by pattern number or
be used independently of the other. Combining values from the
drawing (dimensional tolerances shall be included on the
two systems may result in nonconformance with the specifi-
casting drawing),
cation.
4.1.2 Grade of steel,
4.1.3 Options in the specification, and
2. Referenced Documents
4.1.4 The supplementary requirements desired including the
2.1 ASTM Standards:
standards of acceptance.
A 217/A 217M Specification for Steel Castings, Martensitic
Stainless and Alloy, for Pressure–Containing Parts, Suit-
5. Process
able for High-Temperature Service
5.1 Alloys shall be made by the following processes:
A 351/A 351M Specification for Castings, Austenitic, Aus-
electric-arc, electric-induction, or other approved processes.
tenitic–Ferritic (Duplex), for Pressure–Containing Parts
A 370 Test Methods and Definitions for MechanicalTesting
6. Heat Treatment
of Steel Products
6.1 Castings for heat-resistant service may be shipped in the
A 447/A 447M Specification for Steel Castings,
as-cast condition without heat treatment. If heat treatment is
Chromium-Nickel-Iron Alloy (25-12 Class), for High-
required, the treatment shall be established by mutual agree-
Temperature Service
ment between the manufacturer and the purchaser and shall be
A 781/A 781M Specification for Castings, Steel and Alloy,
so specified in the inquiry, contract, or order.
Common Requirements, for General Industrial Use
7. Chemical Composition
7.1 Alloys shall conform to the requirements as to chemical
This specification is under the jurisdiction of ASTM Committee A01 on Steel,
composition prescribed in Table 1.
Stainless Steel, and RelatedAlloys and is the direct responsibility of Subcommittee
A01.18 on Castings.
8. Repair by Welding
Current edition approved April 10, 2003. Published April 2003. Originally
approved in 1946. Last previous edition approved in 1998 as A 297/A 297M – 97
8.1 The composition of the deposited weld metal shall be
(1998).
similar to the composition of the casting.All weld repairs shall
Annual Book of ASTM Standards, Vol 01.02.
Annual Book of ASTM Standards, Vol 01.03. be subjected to the same inspection standards as the casting.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.
A 297/A 297M – 97 (2003)
TABLE 1 Chemical Requirements
Composition, %
Grade Type
Manganese, Silicon, Phosphorus, Sulfur, Molybdenum,
Carbon Chromium Nickel
A
max max max max max
HF 19 Chromium, 9 Nickel 0.20–0.40 2.00 2.00 0.04 0.04 18.0–23.0 8.0–12.0 0.50
HH 25 Chromium, 12 Nickel 0.20–0.50 2.00 2.00 0.04 0.04 24.0–28.0 11.0–14.0 0.50
HI 28 Chromium, 15 Nickel 0.20–0.50 2.00 2.00 0.04 0.04 26.0–30.0 14.0–18.0 0.50
HK 25 Chromium, 20 Nickel 0.20–0.60 2.00 2.00 0.04 0.04 24.0–28.0 18.0–22.0 0.50
HE 29 Chromium, 9 Nickel 0.20–0.50 2.00 2.00 0.04 0.04 26.0–30.0 8.0–11.0 0.50
HT 15 Chromium, 35 Nickel 0.35–0.75 2.00 2.50 0.04 0.04 15.0–19.0 33.0–37.0 0.50
HU 19 Chromium, 39 Nickel 0.35–0.75 2.00 2.50 0.04 0.04 17.0–21.0 37.0–41.0 0.50
HW 12 Chromium, 60 Nickel 0.35–0.75 2.00 2.50 0.04 0.04 10.0–14.0 58.0–62.0 0.50
HX 17 Chromium, 66 Nickel 0.35–0.75 2.00 2.50 0.04 0.04 15.0–19.0 64.0–68.0 0.50
HC 28 Chromium 0.50 max 1.00 2.00 0.04 0.04 26.0–30.0 4.00 max 0.50
HD 28 Chromium, 5 Nickel 0.50 max 1.50 2.00 0.04 0.04 26
...

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1.3.1 Within the text, the SI units are shown in brackets.  
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ASTM A297/A297M-21a(Specification)
Standard Specification for Steel Castings, Iron-Chromium and Iron-Chromium-Nickel, Heat Resistant, for General Application

ABSTRACT
This specification covers standards for iron-chromium and iron-chromium-nickel alloy castings of general purpose grades (Grades HF, HH, HI, HK, HE, HT, HU, HW, HX, HC, HD, HL, HN, and HN) applicable in heat-resistant services. Alloys shall be produced through electric arc, electric-induction, or other approved processes. Heat-treatment shall be conducted when agreed upon by the manufacturer and purchaser. The material shall conform to carbon, manganese, silicon, phosphorus, sulfur, chromium, nickel, and molybdenum contents. Tensile requirements including tensile strength, yield point, and elongation shall apply when specified in the purchase order. Guidelines for repair by welding are also given.
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1.1 This specification covers iron-chromium and iron-chromium-nickel alloy castings for heat-resistant service. The grades covered by this specification are general purpose alloys and no attempt has been made to include heat-resisting alloys used for special production application.  
Note 1: For heat-resisting alloys used for special product application, reference should be made to Specifications A351/A351M, A217/A217M, and A447/A447M.  
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ASTM A356/A356M-21(Specification)
Standard Specification for Steel Castings, Carbon, Low Alloy, and Stainless Steel, Heavy-Walled for Steam Turbines

ABSTRACT
This specification covers one grade of martensitic stainless steel and several grades of ferritic steel castings for cylindrical (shells), valve chests, throttle valves, and other heavy-walled castings for steam turbine applications. The steel shall be made by the open-hearth or electric-furnace process. Deoxidation of the carbon and low-alloy steel grades shall be by manganese and silicon. The castings shall be heat treated in either the normalized, tempered, or stress-relieved conditions. Mechanical properties such as tensile strength, yield strength, and elongation shall be determined by subjecting the specimens to a tension test.
SCOPE
1.1 This specification covers one grade of martensitic stainless steel and several grades of ferritic steel castings for cylinders (shells), valve chests, throttle valves, and other heavy-walled castings for steam turbine applications.  
1.2 The values stated in either SI units or inch-pound units are to be regarded separately as standard. The values stated in each system may not be exact equivalents; therefore, each system shall be used independently of the other. Combining values from the two systems may result in nonconformance with the standard.  
1.2.1 Within the text, the SI units are shown in brackets.  
1.3 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.

  • Technical specification
    5 pages
    English language
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  • Technical specification
    5 pages
    English language
    sale 15% off