hub-and-spigot pipe 管，cast-iron soil pipe and fittings是什么意思

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A 74 C 98 Cast Iron Soil Pipe and Fittings_百度文库
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A 74 C 98 Cast Iron Soil Pipe and Fittings
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American Society for Testing and Materials
系美国材料与试验协会的英文缩写。
该技术协会成立于1898年。
ASTM是美国最老、最大的非盈利性的标准学术团体之一。
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ASTM A74–03 英文版.pdf47页
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This document is not an ASTM standard and is intended only to provide the user of an ASTM standard an indication of what changes have been made to the previous version. Because
it may not be technically possible to adequately depict all changes accurately, ASTM recommends that users consult prior editions as appropriate. In all cases only the current version
of the standard as published by ASTM is to be considered the official document. Endorsed by the Designation: A 74 C 03b4 Cast Iron Soil Pipe Institute American Association State Highway and Transportation Officials Standard AASHTO No.: M 263-77 Standard Speci?cation for Cast Iron Soil Pipe and Fittings1 This standard is issued under the ?xed designation A 74; 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
indicates an editorial change since the last revision or reapproval. This standard has been approved for use by agencies of the Department of Defense.
This speci?cation covers cast iron soil pipe and ?ttings for use in gravity ?ow plumbing, drain, waste and vent sanitary and
storm water applications. It establishes standards covering material, manufacture, mechanical and chemical properties, coating, test
methods, inspection, certi?cation, product markings, dimensions, and dimensional tolerances for extra heavy and service cast iron
?ttings. These
applications
sanitary drain, waste, vent, and storm drain systems allows free air space for gravity drainage. 1.2
This speci?cation covers pipe and ?ttings of the following patterns and, when so designated, shall apply to any other patterns
that conform with the applicable requirements given herein. 1.2.1 Pipe : Tables 1 1 Ext
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