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ASTM A762/A762M-2008 下水道和排水沟用预涂聚合物波纹钢管的标准规范

ASTM A762/A762M-2008 下水道和排水沟用预涂聚合物波纹钢管的标准规范

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【英文标准名称】: Standard Specification for Corrugated Steel Pipe, Polymer Precoated for Sewers and Drains
【原文标准名称】: 下水道和排水沟用预涂聚合物波纹钢管的标准规范
【标准号】: ASTM A762/A762M-2008
【标准状态】: 现行
【国别】: 美国
【发布日期】: 2008
【实施或试行日期】:
【发布单位】: 美国材料与试验协会(US-ASTM)
【起草单位】: A05.17
【标准类型】: (Specification)
【标准水平】: ()
【中文主题词】:
【英文主题词】: corrugated steel pipe; drainage pipe; metallic coated steel pipe; polymer precoated; sewer pipe; Corrugated steel sewer/drain pipe--specifications; Metallic-coated steel pipe--specifications; Polymer coatings--steel; Sewer pipe (steel)--specifications; St
【摘要】: 1.1 This specification covers polymer precoated corrugated steel pipe intended for use for storm water drainage, underdrains, the construction of culverts, and similar uses. Pipe covered by this specification is not normally used for the conveyance of sanitary or industrial wastes. The steel sheet used in fabrication of the pipe has a polymer protective coating over a metallic coating of zinc, 55 % aluminum-zinc alloy, or zinc-5 % aluminum-mischmetal alloy. 1.2 The polymer precoating provides extra protection of the base metal against corrosion or abrasion, or both, in addition to that provided by the metallic coating. Some severe environments may cause corrosion problems to accessory items such as rivets or coupling band hardware that does not have a polymer coating. Additional protection for polymer precoated corrugated steel pipe can be provided by use of coatings applied after fabrication of the pipe as described in Specification A 849. 1.3 This specification does not include requirements for bedding, backfill, or the relationship between earth cover load and sheet thickness of the pipe. Experience has shown that the successful performance of this product depends upon the proper selection of sheet thickness, type of bedding and backfill, controlled manufacture in the plant, and care in the installation. The installation procedure is described in Practice A 798. 1.4 This specification is applicable to orders in either inch-pound units as A 762, or in SI units as A 762M. Inch-pound units and SI units are not necessarily equivalent. SI units are shown in brackets in the text for clarity, but they are the applicable values when the material is ordered to A 762M.
【中国标准分类号】: Q81
【国际标准分类号】: 23_040_10
【页数】: 10P.;A4
【正文语种】: 英语

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