ASTM A50Withdrawn Standard: ASTM A50 Withdrawn 1937: Specification for Quenched Carbon-Steel Track BoltsWITHDRAWN, REPLACED BY A183 There is no PDF download available at this time, however you may obtain a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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