Standard Practice for Use of SI (Metric) Units in Maritime Applications (Committee F25 Supplement to IEEE/ASTM SI 10) (Withdrawn 2017)

ABSTRACT
This practice covers the use of the International System of Units (SI) in maritime applications as well as non-SI units commonly used and accepted for use with SI units. This practice is intended to establish uniform SI practice in the maritime industry. Covered in this practice are the concept of SI, the two units comprising SI (namely, base and derived SI units), SI prefixes, basic rules for style and usage of SI as well as methods for rounding and conversion of non-SI units to SI units. Conversion factors for quantities commonly used in the maritime industry are also provided.
SCOPE
1.1 This practice covers the use of SI, which is comprised of base and derived SI units. Also discussed are non-SI units that have been accepted and recognized by the CGPM as appropriate for limited use or time. Basic rules for style and usage of SI are set forth, as well as methods for conversion from non-SI units to SI units. Tables of quantities used by the marine industry are included, with present units and conversion factors given.
WITHDRAWN RATIONALE
This practice covers the use of SI, which is comprised of base and derived SI units.
Formerly under the jurisdiction of Committee F25 on Ships and Marine Technology, this practice was withdrawn in December 2017. This standard is being withdrawn without replacement due to its limited use by industry.

General Information

Status
Withdrawn
Publication Date
30-Apr-2011
Withdrawal Date
14-Dec-2017
Current Stage
Ref Project

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ASTM F1332-99(2011) - Standard Practice for Use of SI (Metric) Units in Maritime Applications (Committee F25 Supplement to IEEE/ASTM SI 10) (Withdrawn 2017)
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NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.
Contact ASTM International (www.astm.org) for the latest information
Designation: F1332 − 99 (Reapproved 2011) An American National Standard
Standard Practice for
Use of SI (Metric) Units in Maritime Applications (Committee
1
F25 Supplement to IEEE/ASTM SI 10)
This standard is issued under the fixed designation F1332; 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.
This standard has been approved for use by agencies of the Department of Defense.
INTRODUCTION
The International System of Units (SI) was developed by the General Conference on Weights and
Measures (CGPM), which is an international treaty organization. The abbreviation SI, derived from
the French “Le Système International d’Unités,” is used in all languages.
On Dec. 23, 1975, Public Law 94-168, “The Metric Conversion Act of 1975,” was signed by
President Ford, committing the United States to a coordinated voluntary conversion to the metric
system of measurement. The Act specifically defines the “metric system of measurement” as “the
International System of Units as established by the General Conference on Weights and Measures in
1960, and as interpreted or modified for the United States by the Secretary of Commerce.”
On Aug. 23, 1988, President Reagan signed into law P.L. 100-576, the Omnibus Trade and
Competitiveness Act of 1988. The Act specifies that “metric” means the modernized metric system
(SI). The Act then amended the Metric Conversion Act of 1975 to designate the metric system of
measurement as the preferred system of weights and measures for United States trade and commerce.
This practice will help obtain uniform SI practice in the marine industry by providing a technical
reference for the International System of Units (SI). The practice is not intended to cover all aspects
of SI usage,buttoserveasareadyreferenceespeciallytailoredtotheoperatingneedsoftheindustry.
For further information on SI usage and conversion factors for units not found herein, refer to
IEEE/ASTM SI-10, upon which this practice is based. In the event of a conflict, IEEE/ASTM SI-10
shall take precedence. (See also NIST Special Publication 811.) Hardware and other standards in SI
are currently being developed.
1. Scope 2. Referenced Documents
2
1.1 ThispracticecoverstheuseofSI,whichiscomprisedof 2.1 ASTM Standards:
base and derived SI units.Also discussed are non-SI units that IEEE/ASTM SI-10Standard for Use of the International
have been accepted and recognized by the CGPM as appropri- System of Units (SI): The Modernized Metric System
ateforlimiteduseortime.BasicrulesforstyleandusageofSI 2.2 NIST Publications:
are set forth, as well as methods for conversion from non-SI NIST Special Publication 811Guide for the Use of the
3
units to SI units. Tables of quantities used by the marine International System of Units (SI)
industryareincluded,withpresentunitsandconversionfactors NIST Special Publication 330The International System of
3
given. Units (SI)
1 2
This practice is under the jurisdiction of ASTM Committee F25 on Ships and For referenced ASTM standards, visit the ASTM website, www.astm.org, or
Marine Technology and is the direct responsibility of Subcommittee F25.07 on contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
General Requirements. Standards volume information, refer to the standard’s Document Summary page on
Current edition approved May 1, 2011. Published May 2011. Originally the ASTM website.
3
approved in 1991. Last previous edition approved in 2005 as F1332–99(2005). Available from National Institute of Standards and Technology (NIST), 100
DOI: 10.1520/F1332-99R11. Bureau Dr., Stop 1070, Gaithersburg, MD 20899-1070, http://www.nist.gov.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
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F1332 − 99 (2011)
3. Terminology 5.1.2 Derived units.
3.1 Definitions: 5.2 Base Units—The International System of Units is based
3.1.1 quantity, n—measurable attribute of a physical phe- on seven base units, listed in Table 1, which by convention are
nomenon. regarded as dimensionally independent.
3.1.2 SI, n—The universally accepted abbreviation for the
5.3 Derived Units—Derived units are formed by the alge-
International System of Units as defined in the document Le
braic combination of base units and derived units. Derived
Système International d’Unités , 6th Edition, published by the
units with special names are listed in Table 2.
InternationalBureauofWeightsandMeasures(BIPM),Sevres,
5.4 Temperature—The SI unit of thermodynamic tempera-
France, 1991, and as interpreted and modified for th
...

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