Typical Mechanical Properties of Steel Slag

Property Value

Los Angeles abrasion (%) 20-25

Sodium sulfate soundness loss (%) <12

Angle of internal friction (°) 40-50

Hardnessa 6-7

California bearing ratio (CBR), (%), top size 19 mm (3/4 in.)b Up to 300

Source: From Noureldin, A.S. and McDaniel, R.S., Evaluation of Steel Slag Asphalt Surface Mixtures, presented at the

69th annual meeting, Transportation Research Board, Washington, January 1990. a Hardness of dolomite measured on same scale is 3 to 4. b Typical CBR value for crushed limestone is 100%.

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