ASTM F 421 : 2007 : R2013 : EDT 1
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
Standard Test Method for Measuring Groove and Void Depth in Passenger Car Tires
Hardcopy , PDF
11-11-2014
English
01-06-2013
1.1This test method describes standard procedures for measuring the groove and void depth in passenger car tires.
1.2Any mechanical, optical, or electronic device capable of measuring groove (void) depth can be used, but only the contact methodology is described here. Noncontact methodology is beyond the scope of this test method.
1.3The values stated in inch-pound units are to be regarded as the standard. The values given in parentheses are for information only.
1.4This 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.
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