Standard Specification for Seamless and Welded Austenitic Stainless Steel Tubing for General Service

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1.1 This specification covers grades of nominal-wall-thickness, stainless steel tubing for general corrosion-resisting and low- or high-temperature service, as designated in .
1.2 The tubing sizes and thicknesses usually furnished to this specification are ¼ in. (6.4 mm) in inside diameter and larger and 0.020 in. (0.51 mm) in nominal wall-thickness and heavier.
1.3 Mechanical property requirements do not apply to tubing smaller than 1/8 in. (3.2 mm) in inside diameter or 0.015 in. (0.38 mm) in thickness.
Note 1--When the impact test criterion for a low-temperature service would be 15 ft-lbf (20 J) energy absorption or 15 mils lateral expansion, some of the austenitic stainless steel grades covered by this specification are accepted by certain pressure vessel or piping codes without the necessity of making the actual test. For example, Grades 304, 304L, and 347 are accepted by the ASME Pressure Vessel Code, Section VIII Division 1, and by ANSI B31.3, for service at temperatures as low as 425oF (254oC) without qualification by impact tests. Other AISI stainless steel grades are usually accepted for service temperatures as low as 325oF (198oC) without impact testing. Impact testing may, under certain circumstances, be required. For example, materials with chromium or nickel content outside the AISI ranges, and for material with carbon content exceeding 0.10 %, are required to be impact tested under the rules of ASME Section VIII Division 1 when services temperatures are lower than 50oF (46oC).
1.4 Optional supplementary requirements are provided and, when one or more of these are desired, each shall be so stated in the order.
1.5 The values stated in inch-pound units are to be regarded as the standard.

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09-Aug-2002
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ASTM A269-02 - Standard Specification for Seamless and Welded Austenitic Stainless Steel Tubing for General Service
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NOTICE: This standard has either been superceded and replaced by a new version or discontinued.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.
An American National Standard
Designation: A 269 – 02
Standard Specification for
Seamless and Welded Austenitic Stainless Steel Tubing for
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General Service
This standard is issued under the fixed designation A 269; 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.
1. Scope * A 370 Test Methods and Definitions for Mechanical Testing
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of Steel Products
1.1 This specification covers grades of nominal-wall-
A 1016/A 1016M Specification for General Requirements
thickness, stainless steel tubing for general corrosion-resisting
for Ferritic Alloy Steel, Austenitic Alloy Steel, and Stain-
and low- or high-temperature service, as designated in Table 1.
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less Steel Tubes
1.2 The tubing sizes and thicknesses usually furnished to
1 A 480/A 480M Specification for General Requirements for
this specification are ⁄4 in. (6.4 mm) in inside diameter and
Flat-Rolled Stainless and Heat-Resisting Steel Plate,
larger and 0.020 in. (0.51 mm) in nominal wall-thickness and
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Sheet, and Strip
heavier.
A 632 Specification for Seamless and Welded Austenitic
1.3 Mechanical property requirements do not apply to
1 Stainless Steel Tubing (Small-Diameter) for General Ser-
tubing smaller than ⁄8 in. (3.2 mm) in inside diameter or 0.015
3
vice
in. (0.38 mm) in thickness.
3
E 527 Practice for Numbering Metals and Alloys (UNS)
NOTE 1—When the impact test criterion for a low-temperature service
2.2 ANSI Standard:
would be 15 ft·lbf (20 J) energy absorption or 15 mils lateral expansion,
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B31.3 Chemical Plant and Petroleum Refinery Piping
some of the austenitic stainless steel grades covered by this specification
2.3 ASME Pressure Vessel Code:
are accepted by certain pressure vessel or piping codes without the
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Section VIII Division 1, Pressure Vessels
necessity of making the actual test. For example, Grades 304, 304L, and
2.4 Other Standard:
347 are accepted by the ASME Pressure Vessel Code, Section VIII
Division 1, and by ANSI B31.3, for service at temperatures as low as
SAE J1086 Practice for Numbering Metals and Alloys
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−425°F (−254°C) without qualification by impact tests. Other AISI
(UNS)
stainless steel grades are usually accepted for service temperatures as low
as −325°F (−198°C) without impact testing. Impact testing may, under
3. Ordering Information
certain circumstances, be required. For example, materials with chromium
3.1 Orders for material under this specification should
or nickel content outside the AISI ranges, and for material with carbon
include the following, as required, to describe the desired
content exceeding 0.10 %, are required to be impact tested under the rules
material adequately:
of ASME Section VIII Division 1 when services temperatures are lower
than −50°F (−46°C).
3.1.1 Quantity (feet, metres, or number of lengths),
3.1.2 Name of material (seamless or welded tubes),
1.4 Optional supplementary requirements are provided and,
3.1.3 Grade (Table 1),
when one or more of these are desired, each shall be so stated
3.1.4 Size (outside diameter and nominal wall thickness),
in the order.
3.1.5 Length (specific or random),
1.5 The values stated in inch-pound units are to be regarded
3.1.6 Optional requirements (heat treatment, see Section 6;
as the standard.
hydrostatic or nondestructive electric test, see Section 10),
2. Referenced Documents
3.1.7 Test report required (see Section on Inspection of
Specification A 1016/A 1016M),
2.1 ASTM Standards:
3.1.8 Specification designation, and
A 262 Practices for Detecting Susceptibility to Intergranu-
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lar Attack in Austenitic Stainless Steels
3
Annual Book of ASTM Standards, Vol 01.01.
1 4
This specification is under the jurisdiction of ASTM Committee A01 on Steel, Available from American National Standards Institute, 11 West 42nd St., 13th
Stainless Steel and Related Alloys and is the direct responsibility of Subcommittee Floor, New York, NY 10036.
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A01.10 on Stainless and Alloy Steel Tubular Products. Available from ASME International, Three Park Avenue, New York, NY
Current edition approved Aug. 10, 2002. Published October 2002. Originally 10016-5990.
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published as A 269 – 44 T. Last previous edition A 269 – 01. Available from Society of Automotive Engineers, 400 Commonwealth Drive,
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Annual Book of ASTM Standards, Vol 01.03. 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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