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This specification covers the standard requirements for corrugated, metallic-coated steel pipes intended for use in sewers, storm water drainage, underdrains, culverts construction, and similar other uses. These pipes are not normally used for the conveyance of sanitary or industrial wastes. This specification however does not include requirements for bedding, backfill, or the relationship between earth cover load and sheet thickness of the pipe. The steel sheet used for the pipes, coupling bands, and steel inserts shall be formed from zinc-coated sheet, aluminum-coated sheet, aluminum-zinc alloy-coated sheet, zinc-aluminum-mischmetal alloy-coated sheet, or zinc and aramid fiber composite coated sheet. The rivets used in riveted pipes shall be of the same material as the base metal specified for the corrugated sheets and shall be thoroughly galvanized or sherardized. Bolts, nuts, and other threaded items used with joining systems shall be zinc coated by hot dip processing, electroplating, or mechanical processing. The pipes shall be fabricated in full circular cross section with either annular or helical corrugations while the seams shall be spot welded in such a manner that they will develop the full strength of the pipe and not affect the shape or nominal diameter of the pipe. A rational analysis or a suitable physical test shall be performed to determine the specified structural properties of the joining systems such as shear, moment, and tensile strengths.
This abstract is a brief summary of the referenced standard. It is informational only and not an official part of the standard; the full text of the standard itself must be referred to for its use and application. ASTM does not give any warranty express or implied or make any representation that the contents of this abstract are accurate, complete or up to date.
Significance and Use
1.1 This specification covers 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 protective metallic coating of zinc (galvanizing), aluminum, 55 % aluminum-zinc alloy, or zinc-5 % aluminum-mischmetal alloy.
1.2 The several different metallic coatings may not provide equal protection of the base metal against corrosion or abrasion in all environments, or both. Some environments may be so severe that none of the metallic coatings included in this specification will provide adequate protection. Additional protection for corrugated steel pipe can be provided by use of coatings applied after fabrication of the pipe as described in Specification A849, or by use of polymer precoated corrugated steel pipe as described in Specification A762/A762M.
1.3 Section 9 is intended to be applied to corrugated steel pipe joints. The several different types of corrugated steel pipe joints provide various qualities. This specification is not intended for routine quality control testing or in-field acceptance testing, but is intended to establish performance limits of the pipe joints, as well as the test requirements and test methods for the joints as described herein.
1.4 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 A798/A798M.
1.5 This specification is applicable to orders in either inch-pound units as A760 or in SI units as A760M. 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 A760M.
2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.
A90/A90M Test Method for Weight [Mass] of Coating on Iron and Steel Articles with Zinc or Zinc-Alloy Coatings
A153/A153M Specification for Zinc Coating (Hot-Dip) on Iron and Steel Hardware
A307 Specification for Carbon Steel Bolts, Studs, and Threaded Rod 60 000 PSI Tensile Strength
A428/A428M Test Method for Weight [Mass] of Coating on Aluminum-Coated Iron or Steel Articles
A449 Specification for Hex Cap Screws, Bolts and Studs, Steel, Heat Treated, 120/105/90 ksi Minimum Tensile Strength, General Use
A563 Specification for Carbon and Alloy Steel Nuts
A563M Specification for Carbon and Alloy Steel Nuts (Metric)
A742/A742M Specification for Steel Sheet, Metallic Coated and Polymer Precoated for Corrugated Steel Pipe
A762/A762M Specification for Corrugated Steel Pipe, Polymer Precoated for Sewers and Drains
A780 Practice for Repair of Damaged and Uncoated Areas of Hot-Dip Galvanized Coatings
A796/A796M Practice for Structural Design of Corrugated Steel Pipe, Pipe-Arches, and Arches for Storm and Sanitary Sewers and Other Buried Applications
A798/A798M Practice for Installing Factory-Made Corrugated Steel Pipe for Sewers and Other Applications
A849 Specification for Post-Applied Coatings, Pavings, and Linings for Corrugated Steel Sewer and Drainage Pipe
A929/A929M Specification for Steel Sheet, Metallic-Coated by the Hot-Dip Process for Corrugated Steel Pipe
B633 Specification for Electrodeposited Coatings of Zinc on Iron and Steel
B695 Specification for Coatings of Zinc Mechanically Deposited on Iron and Steel
C1619 Specification for Elastomeric Seals for Joining Concrete Structures
D1056 Specification for Flexible Cellular Materials--Sponge or Expanded Rubber
F568M Specification for Carbon and Alloy Steel Externally Threaded Metric Fasteners (Metric)
AASHTO StandardsT241 Test for Helical Continuous Welded Seam Corrugated Steel Pipe T249 Test for Helical Lock Seam Corrugated Pipe
ICS Number Code 23.040.10 (Iron and steel pipes)
UNSPSC Code 40171500(Commercial pipe and piping)