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API SPEC 5L
- Complete Document
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Revision / Edition: 43
Chg: W/ ERTA
Date: 12/20/04
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SPECIFICATION FOR LINE PIPE *** ISO ADOPTION FROM ISO 3183 ***
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Comments:
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G05L43
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Superseding Document:
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Page Count:
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168
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In Stock:
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Yes
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Hardcopy Price:
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$ 126.00 |
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Secure PDF Price  : |
$ 126.00 |
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| Document Abstract |
PURPOSE AND COVERAGE
The purpose of this specification is to provide standards for pipe
suitable for use in conveying
gas, water, and oil in both the oil and natural gas industries.
This specification covers seamless and welded steel line pipe. It
includes plain-end, threaded-end,
and belled-end pipe, as well as through-the-flowline (TFL) pipe and
pipe with ends prepared for use
with special couplings.
Although the plain-end line pipe meeting this specification is
primarily intended for field makeup
by circumferential welding, the manufacturer will not assume
responsibility for field welding.
PRODUCT SPECIFICATION LEVEL (PSL)
This specification establishes requirements for two product
specification levels (PSL 1 and PSL 2).
These two PSL designations define different levels of standard
technical requirements. PSL 2 has
mandatory requirements for carbon equivalent, notch toughness, maximum
yield strength, and maximum
tensile strength. These and other differences are summarized in
Appendix J.
Requirements that apply to only PSL 1 or only PSL 2 are so designated.
Requirements that are not
designated to a specific PSL apply to both PSL 1 and PSL 2.
The purchaser may add requirements to purchase orders for either PSL 1
or PSL 2, as provided by the
supplementary requirements (Appendix F) and other options (4.2 and
4.3).
GRADES
The grades (see the note) covered by this specification are the
standard Grades A25, A, B, X42,
X46, X52, X56, X60, X65, X70 and X80; and any intermediate grades
(grades that are higher than X42,
intermediate to two sequential standard grades, and agreed upon by the
purchaser and manufacturer).
PSL 1 pipe can be supplied in Grades A25 through X70.
PSL 2 pipe can be supplied in Grades B through X80.
Class II (Cl II) steel is rephosphorized and probably has better
threading properties than Class I
(Cl I). Because Class II (Cl II) has higher phosphorus content than
Class I (Cl I), it may be
somewhat more difficult to bend.
Pipe manufactured as Grade X60 or higher shall not be substituted for
pipe ordered as Grade X52 or
lower without purchaser approval.
Note: The grade designations are dimensionless. Grades A and B do not
include reference to the
specified minimum yield strength; however, other grade designations
are composed of the letter A or
X, followed by the first two digits of the specified minimum yield
strength in U.S. Customary
units.
DIMENSIONS
The sizes used herein are dimensionless designations, which are
derived from the specified outside
diameter as measured in U.S. Customary units, and provide a convenient
method of referencing pipe
size within the text and tables (but not for order descriptions). Pipe
sizes 23/8 and larger are
expressed as integers and fractions; pipe sizes smaller than 23/8 are
expressed to three decimal
places. These sizes replace the "size designation" and the "nominal
size designation" used in the
previous edition of this specification. Users of this specification
who are accustomed to
specifying nominal sizes rather than OD sizes are advised to
familiarize themselves with these new
size designations used in this specification, especially the usage in
Tables 4, 5, and 6A.
PSL 1 pipe can be supplied in sizes ranging from 0.405 through 80.
PSL 2 pipe can be supplied in sizes ranging from 4½ through 80.
Dimensional requirements on threads and thread gages, stipulations on
gaging practice, gage
specifications and certification, as well as instruments and methods
for inspection of threads are
given in API Standard 5B and are applicable to threaded products
covered by this specification.
UNITS
U.S. Customary units are used in this specification; SI (metric) units
are shown in parentheses in
the text and in many tables. The values stated in either U.S.
Customary units or SI units are to be
regarded separately as standard. The values stated are not necessarily
exact equivalents;
therefore, each system is to be used independently of the other,
without combining values for any
specific order item.
See Appendix M for specific information about rounding procedures and
conversion factors.
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