ASTM A524-96(2012)
(Specification)Standard Specification for Seamless Carbon Steel Pipe for Atmospheric and Lower Temperatures
Standard Specification for Seamless Carbon Steel Pipe for Atmospheric and Lower Temperatures
ABSTRACT
This specification covers seamless carbon steel pipe intended primarily service at atmospheric and lower temperatures. The steel shall be killed steel made by one or more of the following processes: open-hearth, electric-furnace, or basic-oxygen. The steel shall be made to fine grain practice and may be cast in ingots or may be strand cast. All hot-finished and cold-drawn pipe shall be heat treated and be cooled in air or in the cooling chamber of a controlled atmosphere furnace. The steel shall be subjected to flattening, hydrostatic, bend, and tensile tests. A retest shall be conducted if a specimen breaks in an inside or outside surface flaw.
SCOPE
1.1 This specification2 covers seamless carbon steel pipe intended primarily for service at atmospheric and lower temperatures, NPS 1/8 to 26 inclusive, with nominal (average) wall thickness as given in ANSI B36.10. Pipe having other dimensions may be furnished, provided such pipe complies with all other requirements of this specification. Pipe ordered to this specification shall be suitable both for welding, and for bending, flanging, and similar forming operations.
1.2 The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard. Note 1—The dimensionless designator NPS (nominal pipe size) has been substituted in this standard for such traditional terms as “nominal diameter,” “size,” and “nominal size.”
1.3 The following hazard caveat applies to the test methods portion, Section 16, only. 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 appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.
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Designation:A524 −96 (Reapproved 2012)
Standard Specification for
Seamless Carbon Steel Pipe for Atmospheric and Lower
1
Temperatures
This standard is issued under the fixed designation A524; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision.Anumber in parentheses indicates the year of last reapproval.A
superscript epsilon (´) indicates an editorial change since the last revision or reapproval.
1. Scope 2.2 American National Standards Institute Standard:
4
B36.10Welded and Seamless Wrought Steel Pipe
2
1.1 This specification covers seamless carbon steel pipe
intended primarily for service at atmospheric and lower
3. Ordering Information
1
temperatures, NPS ⁄8 to 26 inclusive, with nominal (average)
3.1 Orders for material under this specification should
wall thickness as given in ANSI B36.10. Pipe having other
include the following, as required, to describe the desired
dimensions may be furnished, provided such pipe complies
material adequately:
with all other requirements of this specification. Pipe ordered
3.1.1 Quantity (feet or number of lengths),
to this specification shall be suitable both for welding, and for
3.1.2 Name of material (seamless carbon steel pipe),
bending, flanging, and similar forming operations.
3.1.3 Grade (Table 1 and Table 2),
1.2 Thevaluesstatedininch-poundunitsaretoberegarded
3.1.4 Manufacture (hot finished or cold drawn),
as standard. The values given in parentheses are mathematical
3.1.5 Size(eithernominalwallthicknessandweightclassor
conversions to SI units that are provided for information only
schedule number, or both, or outside diameter and nominal
and are not considered standard.
wall thickness, ANSI B36.10),
3.1.6 Length (17),
NOTE 1—The dimensionless designator NPS (nominal pipe size) has
3.1.7 Optional requirements ( Section 8 and Section 11 of
been substituted in this standard for such traditional terms as “nominal
diameter,” “size,” and “nominal size.” Specification A530/A530M),
3.1.8 Test report required (Certification Section of Specifi-
1.3 The following hazard caveat applies to the test methods
cation A530/A530M),
portion, Section 16, only. This standard does not purport to
3.1.9 Specification designation,
address all of the safety concerns, if any, associated with its
3.1.10 End use of material, and
use. It is the responsibility of the user of this standard to
3.1.11 Special requirements.
establish appropriate safety and health practices and deter-
mine the applicability of regulatory limitations prior to use.
4. General Requirements
4.1 Material furnished to this specification shall conform to
2. Referenced Documents
the applicable requirements of the current edition of Specifi-
3
2.1 ASTM Standards:
cation A530/A530M unless otherwise provided herein.
A530/A530MSpecification for General Requirements for
Specialized Carbon and Alloy Steel Pipe
5. Materials and Manufacture
E29Practice for Using Significant Digits in Test Data to
5.1 Process:
Determine Conformance with Specifications
5.1.1 The steel shall be killed steel made by one or more of
the following processes: open-hearth, electric-furnace, or
basic-oxygen.
1
This specification is under the jurisdiction ofASTM Committee A01 on Steel,
5.1.2 The steel shall be made to fine grain practice.
Stainless Steel and RelatedAlloys and is the direct responsibility of Subcommittee
5.1.3 Steel may be cast in ingots or may be strand cast.
A01.09 on Carbon Steel Tubular Products.
When steel of different grades are sequentially strand cast,
Current edition approved March 1, 2012. Published November 2012. Originally
approved in 1965. Last previous edition approved in 2005 as A524–96 (2005). identification of the resultant transition material is required.
DOI: 10.1520/A0524-96R12.
The producer shall remove the transition material by any
2
For ASME Boiler and Pressure Vessel Code Applications see related Specifi-
established procedure that positively separates the grades.
cation SA-524 in Section II of that Code.
3
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
4
Standards volume information, refer to the standard’s Document Summary page on Available fromAmerican National Standards Institute, 11 West 42nd St., 13th
the ASTM website. Floor, New York, NY 10036.
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A524−96 (2012)
TABLE 1 Chemical Requirements
180° around a cylindrical mandrel, the diameter of which is
Element Grades I and II, Composition, % eight times the nominal diameter of the pipe, without failure.
Carbon, max 0.21
9.2.2 Forpipewhosediameterexceeds25in.(635mm
...
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