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ASTM F 1426 : 2011 : REDLINE

Superseded
Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

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superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

Standard Practice for Identifying Tire Tread Surface Irregular Wear Patterns Resulting from Tire Use
Available format(s)

PDF

Superseded date

01-06-2020

Language(s)

English

Published date

01-11-2011

CONTAINED IN VOL. 09.02, 2015 Gives the instructions and nomenclature for evaluation of the wear features of the tread pattern on a tire for some intermediate state short of total wear out.

1.1 This practice provides the instructions and nomenclature to evaluate the wear features of the tread pattern on a tire for some intermediate state short of total wear out.

1.2 A tire may be characterized by certain worn tread pattern conditions that are collectively referred to as "irregular wear" features. Definitions for these features are given in a special logical and conceptual sequence. First, basic tread pattern definitions are given. Then, additional tread pattern definitions directly related to the basic tread pattern definitions are given. Understanding these secondary definitions requires the knowledge of the basic definitions.

1.3 Based on the terms of this developed system of tread pattern definitions or descriptions, a set of treadwear descriptions is presented that encompasses both regular wear and irregular wear features.

1.4 This hierarchical arrangement produces the accurate and concise definitions needed to evaluate the complex irregular wear conditions of tires.

1.5 See Fig. 1 for tread pattern features or characteristics. See Fig. 2 and Fig. 3 for typical illustrations of regular or uniform and irregular treadwear features.

Committee
F 09
DocumentType
Redline
Pages
5
PublisherName
American Society for Testing and Materials
Status
Superseded
SupersededBy

ASTM F 421 : 2015 : REDLINE Standard Test Method for Measuring Groove and Void Depth in Passenger Car Tires
SAE J 2047 : 2013 TIRE PERFORMANCE TERMINOLOGY

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