ASTM A693-02e1
(Specification)Standard Specification for Precipitation-Hardening Stainless and Heat-Resisting Steel Plate, Sheet, and Strip
Standard Specification for Precipitation-Hardening Stainless and Heat-Resisting Steel Plate, Sheet, and Strip
SCOPE
1.1 This specification covers precipitation-hardening stainless steel plate, sheet, and strip. The mechanical properties of these steels are developed by suitable low-temperature heat treatments generally referred to as precipitation hardening.
1.2 These steels are used for parts requiring corrosion resistance and high strength at room temperature or at temperatures up to 600°F (315°C). Some of these steels are particularly suitable for moderate to severe drawing and forming in the solution-treated condition. Others are capable of mild forming only. They are suitable for machining in the solution-annealed condition, after which they may be hardened to the mechanical properties specified in this standard without danger of cracking or distortion.
1.3 The values stated in inch-pound units are to be regarded as the standard.
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Designation: A 693 – 02
Standard Specification for
Precipitation-Hardening Stainless and Heat-Resisting Steel
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Plate, Sheet, and Strip
This standard is issued under the fixed designation A 693; 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.
This standard has been approved for use by agencies of the Department of Defense.
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e NOTE—Table 3 was corrected editorially in April 2002.
1. Scope * 3. General Requirements
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1.1 This specification covers precipitation-hardening stain- 3.1 The following requirements for orders for material
less steel plate, sheet, and strip. The mechanical properties of furnished under this specification shall conform to the appli-
these steels are developed by suitable low-temperature heat cable requirements of the current edition of Specification
treatments generally referred to as precipitation hardening. A 480/A 480M or as specified in the following:
1.2 These steels are used for parts requiring corrosion 3.1.1 Definitions,
resistance and high strength at room temperature or at tem- 3.1.2 General requirements for delivery.
peratures up to 600°F (315°C). Some of these steels are 3.1.3 Ordering Information:
particularly suitable for moderate to severe drawing and 3.1.3.1 In addition to the requirements of A 480/A 480M,
forming in the solution-treated condition. Others are capable of the heat treatment (see 6) must be specified on the purchase
mild forming only. They are suitable for machining in the order.
solution-annealed condition, after which they may be hardened
4. Materials and Manufacture
to the mechanical properties specified in this standard without
4.1 The steel shall be melted by one of the following
danger of cracking or distortion.
1.3 The values stated in inch-pound units are to be regarded processes:
4.1.1 Electric furnace (with separate degassing and refining
as the standard.
optional),
2. Referenced Documents
4.1.2 Vacuum furnace, and
2.1 ASTM Standards: 4.1.3 One of the former followed by:
A 480/A 480M Specification for General Requirements for 4.1.3.1 Consumable remelting in vacuum, inert gas, or
Flat-Rolled Stainless and Heat-Resisting Steel Plate, electroslag, or
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Sheet, and Strip 4.1.3.2 Electron beam refining.
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E 527 Practice for Numbering Metals and Alloys (UNS) 4.1.4 Other commercial melting methods as agreed upon
2.2 SAE Standard: between purchaser and seller are acceptable.
SAE J 1086 Recommended Practice for Numbering Metals
5 5. Chemical Composition
and Alloys (UNS)
5.1 The steel shall conform to the requirements as to
chemical composition specified in Table 1, and shall conform
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This specification is under the jurisdiction of ASTM Committee A01 on Steel,
to applicable requirements specified in the current edition of
Stainless Steel and Related Alloys, and is the direct responsibility of Subcommittee
Specification A 480/A 480M.
A01.17 on Flat-Rolled and Wrought Stainless Steel Products.
Current edition approved March 10, 2002. Published April 2002. Originally
6. Heat Treatment of Product
published as A 693 – 74. Last previous edition A 693 – 01.
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For ASME Boiler and Pressure Vessel Code applications see related Specifi-
6.1 Material shall be furnished in the solution-annealed
cation SA-693 in Section II of that Code.
3 condition as noted in Table 2 and Table 3 unless otherwise
Annual Book of ASTM Standards, Vol 01.03.
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specified by the purchaser on the purchase order.
Annual Book of ASTM Standards, Vol 01.01.
5
Available from SAE, 400 Commonwealth Drive, Warrendale, PA 15096.
*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.
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NOTICE: This standard has either been superceded and replaced by a new version or discontinued.
Contact ASTM International (www.astm.org) for the latest information.
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A 693–02
7. Mechanical Properties 9. Heat Treatment of Test Specimens
7.1 The material, as represented by mechanical test speci-
9.1 Samples cut from the plate, sheet, or strip shall conform
mens, shall conform to the mechanical property requirements
to the mechanical properties of Table 5 when precipitation
specified in Table 4 and shall be capable of developing the
hardened as specified in Table 2 and Table 3.
properties in Table 5 when heat treated as specified in 9.1.
8. Bending Requirements
8.1 Samples cut from the solution-annealed plate, sheet, or
strip shall withstand cold bending as specified in Table 6
without cracking on the outside of the bent portion.
A
TABLE
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