ASTM E91-51 (1955)Withdrawn Standard: ASTM E91-51 (1955) Method for Estimatinng the Average Grain Size of Non-Ferrous Metals, Other Than Copper, and Their Alloys (Withdrawn 1962)WITHDRAWN, REPLACED BY E112 There is no PDF download available at this time, however you may purchase a copy of this document from Global Engineering Documents (Email: globalcustomerservice@ihs.com; Phone: 800-854-7179 or 303-397-7956).
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