SK30 | SK32 | SK34 | K43 | ||
---|---|---|---|---|---|
Pyrometric Cone Equivalent | Orton Cone | 29 – 30 | 31 – 32 | 33 – 34 | 33 – 34 |
Refractoriness | °C | 1,670 | 1,715 | 1,760 | 1,760 |
Bulk Density | kg/m3 | 2,140 – 2,150 | 2,200 – 2,250 | 2,235 – 2,250 | 2,275 – 2,285 |
Apparent Porosity | % | 19.0 – 20.0 | 18.0 – 19.0 | 17.0 – 18.0 | 17.0 – 18.0 |
Cold Crushing Strength | kg / cm2 | 220-250 | 220-320 | 300-350 | 350 – 400 |
Modulus of Rupture | kg / cm2 | 55 – 70 | 55 – 70 | 60 – 80 | 80 – 90 |
Reheat Test. Permanent Linear Change After Heating at 1.400 ° C | % | 0.0 to – 0.06 | 0.0 to – 0.2 | – 0.18 | – 0.5 |
SK30 | SK32 | SK34 | K43 | ||
---|---|---|---|---|---|
Pyrometric Cone Equivalent | Orton Cone | 29 – 30 | 31 – 32 | 33 – 34 | 33 – 34 |
Refractoriness | °C | 1,670 | 1,715 | 1,760 | 1,760 |
Bulk Density | kg/m3 | 2,140 – 2,150 | 2,200 – 2,250 | 2,235 – 2,250 | 2,275 – 2,285 |
Apparent Porosity | % | 19.0 – 20.0 | 18.0 – 19.0 | 17.0 – 18.0 | 17.0 – 18.0 |
Cold Crushing Strength | kg / cm2 | 220-250 | 220-320 | 300-350 | 350 – 400 |
Modulus of Rupture | kg / cm2 | 55 – 70 | 55 – 70 | 60 – 80 | 80 – 90 |
Reheat Test. Permanent Linear Change After Heating at 1.400 ° C | % | 0.0 to – 0.06 | 0.0 to – 0.2 | – 0.18 | – 0.5 |