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1.1 This specification covers chemical and mechanical requirements for nine property classes of carbon and alloy steel metric rivets in nominal diameters M01 through M36 suited for use in general engineering applications.

1.2 This specification does not cover dimensional requirements for rivets of any property class. When referencing this specification for procurement purposes, it is mandatory that size, type, style, and any special dimensions of the product be additionally specified.

1.3 When agreed on by the purchaser, Class 5.8 fasteners may be supplied when either Classes 4.6 or 4.8 are ordered; Class 4.8 may be supplied when Class 4.6 is ordered;

1.4 The product size range for which each property class is applicable is given in Table 1 on chemical composition requirements, and the mechanical requirements table (see Table 2).

1.5 Appendix X1 explains the significance of the property class designation numerals.

1.6 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.