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Slag

 

 

Granulated Blast Furnace Slag

 

Blast Furnace Slag, is produced as a result of the reduction of iron oxide to iron. It consists of silicates, the alumina silicate of lime, a minor percentage of ferric and managanese oxide and sulphur.

 

                                                      Chemical Analysis

Calcium Oxide

36 - 40%

Silica

36 - 39%

Alumina

14 - 16 %

Magnesium Oxide

9% max

Maganese Oxide

1.3% max

Titanium Oxide

0.881% max

Iron Oxide

0.5% max

Sulphur

1.5% max

 

 

Boulder Slag

 

Boulder Slag, is produced by Pakistan Steel by using a semi direct method in which slag formed from the Blast Furnaces is processed at a slag granulation plant via a wet quenching process.

 

 

 

                                                               Chemical Analysis

Calcium Oxide

36 - 40%

Silica

36 - 39%

Alumina

14 - 16 %

Magnesium Oxide

9% max

Maganese Oxide

1.3% max

Titanium Oxide

0.881% max

Iron Oxide

0.5% max

Sulphur

1.5% max