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Significance and Use
5.1 This practice is used for drafting impact test specification requirements, and it presupposes no special familiarity with statistical methods. It provides for specification values that will pass acceptable lots with a high degree of certainty. The impact test requirement is intended to discriminate between acceptable materials and manufacturing methods and those which are not; it is not a simulated service test.
1.1 This practice describes a procedure for setting up impact test requirements on the basis of test data obtained by Test Method D2444.
1.2 This practice is applicable to thermoplastic pipe and fittings.
1.3 The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard.
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.
2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.
D2444 Test Method for Determination of the Impact Resistance of Thermoplastic Pipe and Fittings by Means of a Tup (Falling Weight)
ICS Number Code 23.040.20 (Plastic pipes); 23.040.45 (Plastic fittings)
UNSPSC Code 40171500(Commercial pipe and piping)
ASTM F725-03(2013), Standard Practice for Drafting Impact Test Requirements In Thermoplastic Pipe And Fittings Standards, ASTM International, West Conshohocken, PA, 2013, www.astm.orgBack to Top