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Document API RP 5L1 is offered by IHS as part of an online subscription. This subscription contains many documents on the same topic.
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API RP 5L1 Document Information:
Title
Recommended Practice for Railroad Transportation of Line Pipe
American Petroleum Institute
Publication Date:
Jul 1, 2002
Scope:
GENERAL
The recommendations provided herein apply to the transportation on
railcars of API Specification 5L
steel line pipe in sizes 2 ⅜ and larger in lengths longer that
single random. The
recommendations of Section 4 concerned with load stresses are
exclusively applicable to API line
pipe having diameter to thickness (Dlt) ratios of 50 or more. However,
pipe with Dlt ratios well
below 50 may suffer fatigue in transit under some circumstances, as
noted in the foreword.
These recommendations cover coated or uncoated pipe, but they do not
encompass loading practices
designed to protect pipe coating from damage.
BASIC RULES AND REQUIREMENTS
Certain minimum mandatory rules governing the loading practices are
prescribed by the Association
of American Rail-roads (AAR) as referenced in the next section.
The recommendations given herein are supplementary to the AAR loading
practices. If any
recommendations are in conflict with AAR loading practices, those of
AAR shall govern.
Note: If the AAR loading rules are not applicable to the railroad
transportation of line pipe in
the country of origin, the basic loading practice shall be as
prescribed in the applicable
nationally recognized loading rules and requirements for the type of
railroad cars used in the
country of origin and that document becomes the reference to which
these supplementary
recommendations apply.
These supplementary recommendations to AAR rules are for the
convenience of purchasers and
manufacturers in the loading and shipping of pipe and are not intended
to inhibit purchasers and
manufacturers from using other supplementary loading and shipping
practices by mutual agreement.
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