ASTM F436/F436M - 19

Standard Specification for Hardened Steel Washers Inch and Metric Dimensions

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1.1 This specification covers the chemical, mechanical, and dimensional requirements for hardened steel washers for use with fasteners having nominal thread diameters of 1/4 through 4 in. and M12 through M100. These washers are intended for general-purpose mechanical and structural use with bolts, nuts, studs, and other internally and externally threaded fasteners. These washers are suitable for use with fasteners covered in Specifications A354, A449, A563, A563M, F959/F959M, and F3125.1.2 The washers are designated by type denoting the material, by style denoting the shape, and by inch or metric dimensions.1.2.1 The types of washers covered are: Type 1—Carbon steel. Type 3—Weathering steel. This specification provides for furnishing Type 3 to chemical composition or a Corrosion Index (CRI) of 6 or higher at the suppliers option.1.2.2 The styles of washers covered are: Circular—Circular washers in nominal sizes 1/4 through 4 in. and M12 through M100 suitab

Number of pages: 8

International relationships :

ICS: 21.060.20 - Nuts

Item number: A002733