1.1This specification covers crushed steel slag coarse and fine aggregates suitable for use in bituminous paving mixtures.

1.2Steel slag coarse and fine aggregates are currently being used entirely (Note 1) or combined with other mineral aggregates, such as those covered in Specification D692 or D1073, to produce paving mixtures similar to those described in Specification D3515 or D4215.

Note 1-When 100 % of the coarse aggregate in a bituminous mixture is steel slag, the amount of steel slag fines in that mixture may be limited to prevent bulking.

1.3The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.

Note 2-Sieve size is identified by its standard designation in Specification E11. The alternative designation given in parentheses is for information only and does not represent a different standard sieve size.

1.4The text of this specification references notes and footnotes which provide explanatory material. These notes and footnotes (excluding those in tables and figures) shall not be considered as requirements of the standard.