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This specification covers asbestos-cement transmission pipes intended for use in transmission systems that carry fluids under pressure. The pipes furnished under this specification shall be manufactured in Classifications 21, 24, 28, 31, 34, 41, 58, 55, and 62, which correspond to ten times the minimum hydrostatic strength in MPa (or one tenth of the minimum hydrostatic strength in psi). The types of pipe shall be known as Type I and Type II corresponding to the uncombined calcium hydroxide content. Besides the hydrostatic strength, pipes shall also be tested and conform accordingly to specified requirements for flexural strength, crushing strength, and dimensions.
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.
1.1 This specification covers asbestos-cement transmission pipe intended for use in transmission systems that carry fluids under pressure. A transmission system consists of pipe lines which convey fluids from their source to a point of distribution or discharge. The system is characterized by relatively steady flow and few appurtenances, thereby permitting reasonable hydraulic analysis, including surge analysis.
1.2 The values stated in SI units are to be regarded as the standard. The values given in parentheses are for information only.
Note 1—This specification is issued for product standardization and purchasing purposes only, and does not include requirements for installation or the relationships between operating conditions and the strength characteristics of the various classifications of pipe. The purchaser is cautioned that he must correlate installation and operating conditions with the specified characteristics of the pipe.
1.3 Warning—Breathing of asbestos dust is hazardous. Asbestos and asbestos products present demonstrated health risks for users and for those with whom they come into contact. In addition to other precautions, when working with asbestos-cement products, minimize the dust that results. For information on the safe use of chrysoltile asbestos, refer to “Safe Use of Chrysotile Asbestos: A Manual on Preventive and Control Measures.”
1.4 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use. See 1.3 for a specific hazard warning.
2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.
Federal StandardFed.Std.No.123 Marking for Shipment (Civil Agencies) Available from Standardization Documents Order Desk, Bldg. 4, Section D, 700 Robbins Ave., Philadelphia, PA 19111-5094 Attn: NPODS.
Military StandardMIL-STD-129 Marking for Shipment and Storage
Other StandardsNationalMotorFreight Rules Available from National Motor Freight Inc., 1616 P St., NW, Washington, DC 20036.
C150 Specification for Portland Cement
C458 Test Method for Organic Fiber Content of Asbestos-Cement Products
C500 Test Methods for Asbestos-Cement Pipe
C595 Specification for Blended Hydraulic Cements
C618 Specification for Coal Fly Ash and Raw or Calcined Natural Pozzolan for Use in Concrete
D1869 Specification for Rubber Rings for Asbestos-Cement Pipe
D2946 Terminology for Asbestos and Asbestos-Cement Products
ICS Number Code 23.040.50 (Pipes and fittings of other materials)