Cargo comprising of coarse slag (from iron and steel manufacturing) that is mixed with one of the following substances or a combination thereof: (1) concrete debris, (2) fly-ash, (3) firebricks, (4) dust collected from iron/steel-making processes, (5) refractory material debris, and (6) fine raw materials of iron making. This cargo includes shaped forms in blocks made of iron and steel slag with one of the additives or a combination of additives: cement, ground granulated blast furnace slag and fly-ash, and its debris, and their mixture with iron and steel slag. Colour appearance ranging from greyish-white to dark grey. Shape appearance: granulated, pebble to block shaped. Bulk density: 1,200 - 3,000 kg/m3.
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