Serving Metallurgical Industries since 1970
refractory products

refractory products

Refractory products for electric arc furnace lining

Misano Group magnesia carbon bricks offer cost effective solutions for slagline, hotspot and lower sidewall problems. Magnesia-carbon bricks are resin bonded bricks containing high-purity fused and/or sintered magnesia and flake graphite as their main ingredients. Their strengths are excellent corrosion resistance and good thermal shock properties.

Besides, Misano Group manufactures also burned magnesia and high alumina bricks for furnace safety linings, working bottoms and electric arc furnace roofs.

Refractory products for electric arc furnace lining
Magnesia-carbon
RM 9605 RM 9610 RM 9615 RM 9615 A RM 9705 RM 9710
Chemical
composition*
MgO [%] 95,5-96,5 95,5-96,5 95,5-96,5 95,5-96,5 96,5-97,5 96,5-97,5
CaO [%] 1,5-2,0 1,5-2,0 1,5-2,0 1,5-2,0 1,1-2,0 1,1-2,0
SiO2 [%] 0,9-1,2 0,9-1,2 0,9-1,2 0,9-1,2 0,4-0,8 0,4-0,8
Fe2O3 [%] 0,5-0,9 0,5-0,9 0,5-0,9 0,5-0,9 0,4-0,8 0,4-0,8
Al2O3 [%] 0,3-0,5 0,3-0,5 0,3-0,5 0,3-0,5 0,2-0,4 0,2-0,4
C [%] 4,0-6,0 9,0-11,0 14,0-16,0 14,0-16,0 4,0-6,0 9,0-11,0
Physical
properties
Apparent Porosity [%] ≤ 4,5 ≤ 4,0 ≤ 4,0 ≤ 4,0 ≤ 4,0 ≤ 4,0
Bulk density [g/cm3] 3,00-3,05 2,98-3,03 3,05-3,10 3,00-3,15 3,00-3,15 3,00-3,15
Cold Crushing Strenght [MPa] ≥ 35 ≥ 35 ≥ 40 ≥ 40 ≥ 40 ≥ 40
Magnesia-carbon
RM 9715 RM 9715 A RM 9810 RM 9815 RM 9815 A RM 9815 2A
Chemical
composition*
MgO [%] 96,5-97,5 96,5-97,5 97,5-98,5 97,5-98,5 97,5-98,5 97,5-98,5
CaO [%] 1,1-2,0 1,1-2,0 0,9-1,5 0,9-1,5 0,9-1,5 0,9-1,5
SiO2 [%] 0,7-1,0 0,7-1,0 0,5-0,8 0,5-0,8 0,5-0,8 0,5-0,8
Fe2O3 [%] 0,4-0,8 0,4-0,8 0,4-0,7 0,4-0,7 0,4-0,7 0,4-0,7
Al2O3 [%] 0,2-0,4 0,2-0,4 0,1-0,3 0,1-0,3 0,1-0,3 0,1-0,3
C [%] 14,0-16,0 14,0-16,0 9,0-11,0 14,0-16,0 14,0-16,0 14,0-16,0
Physical
properties
Apparent Porosity [%] ≤ 4,5 ≤ 4,0 ≤ 4,0 ≤ 4,0 ≤ 4,0 ≤ 4,0
Bulk density [g/cm3] 3,00-3,05 2,98-3,03 3,05-3,10 3,00-3,15 3,00-3,15 3,00-3,15
Cold Crushing Strenght [MPa] ≥ 35 ≥ 35 ≥ 40 ≥ 40 ≥ 40 ≥ 40
Fired MgO Alumina Chemically bonded alumina
RM M90 RM 42 RM 62 RM 80 CRM 90 CRM 90/CR
Chemical
composition*
MgO [%] 89,0-91,0 - - - - -
CaO [%] 1,5-3,5 - - - - -
SiO2 [%] 3,0-5,0 48,0-53,0 30,0-32,0 12,0-15,0 7,0-9,0 6,0-8,0
Fe2O3 [%] 0,8-1,5 1,8-2,0 1,8-2,0 1,9-2,1 1,7-2,0 1,6-1,8
Al2O3 [%] 0,3-0,6 42,0-45,0 61,0-63,0 78,0-82,0 84,0-86,0 83,0-85,0
TiO2 [%] - 2,3-2,7 2,5-2,8 2,6-3,2 2,6-3,2 2,3-2,8
Cr2O3 [%] - - - - - 1,9-2,1
Physical
properties
Apparent Porosity [%] ≤ 20,0 19,0-23,0 20,0-24,0 20,0-24,0 16,0-18,0 16,0-18,0
Bulk density [g/cm3] 2,90-2,95 2,10-2,20 2,35-2,45 2,55-2,70 2,80-2,90 2,80-2,90
Cold Crushing Strenght [MPa] ≥ 50 25-40 45-65 50-70 85-95 85-95

Refractory products for ladle furnace lining

Misano Group supplies the entire range of ladle refractories to satisfy all treatment and ladle furnace operations, including dolomite, magnesia-dolomite, magnesia-carbon and alumina-magnesia-carbon bricks.

Besides, Misano Group manufactures also burned magnesia and high alumina bricks for ladle safety linings, working bottoms and transfer ladles.

Refractory products for ladle furnace lining Refractory products for ladle furnace lining
Magnesia-carbon
RM 605 RM 610 RM 615 RM 615 A RM 705 RM 710
Chemical
composition*
MgO [%] 95,5-96,5 95,5-96,5 95,5-96,5 95,5-96,5 96,5-97,5 96,5-97,5
CaO [%] 1,5-2,0 1,5-2,0 1,5-2,0 1,5-2,0 1,1-2,0 1,1-2,0
SiO2 [%] 0,9-1,2 0,9-1,2 0,9-1,2 0,9-1,2 0,7-1,0 0,7-1,0
Fe2O3 [%] 0,5-0,9 0,5-0,9 0,5-0,9 0,5-0,9 0,4-0,8 0,4-0,8
Al2O3 [%] 0,3-0,5 0,3-0,5 0,3-0,5 0,3-0,5 0,2-0,4 0,2-0,4
C [%] 4,0-6,0 9,0-11,0 14,0-16,0 14,0-16,0 5,0-7,0 9,0-11,0
Physical
properties
Apparent Porosity [%] ≤ 5,0 ≤ 5,0 ≤ 5,0 ≤ 5,0 ≤ 4,5 ≤ 4,5
Bulk density [g/cm3] 2,92-2,97 2,92-2,97 2,90-2,95 2,88-2,93 3,10-3,15 3,05-3,10
Cold Crushing Strenght [MPa] ≥ 40 ≥ 40 ≥ 40 ≥ 35 ≥ 40 ≥ 40
Magnesia-carbon
RM 715 RM 715 A RM 810 RM 815 RM 815 A RM 815 2A
Chemical
composition*
MgO [%] 96,5-97,5 96,5-97,5 97,5-98,5 97,5-98,5 97,5-98,5 97,5-98,5
CaO [%] 1,1-2,0 1,1-2,0 0,9-1,5 0,9-1,5 0,9-1,5 0,9-1,5
SiO2 [%] 0,7-1,0 0,7-1,0 0,5-0,8 0,5-0,8 0,5-0,8 0,5-0,8
Fe2O3 [%] 0,4-0,8 0,4-0,8 0,4-0,7 0,4-0,7 0,4-0,7 0,4-0,7
Al2O3 [%] 0,2-0,4 0,2-0,4 0,1-0,3 0,1-0,3 0,1-0,3 0,1-0,3
C [%] 14,0-16,0 14,0-16,0 9,0-11,0 14,0-16,0 14,0-16,0 14,0-16,0
Physical
properties
Apparent Porosity [%] ≤ 4,5 ≤ 4,0 ≤ 4,0 ≤ 4,0 ≤ 4,0 ≤ 4,0
Bulk density [g/cm3] 3,00-3,05 2,98-3,03 3,05-3,10 3,00-3,15 3,00-3,15 3,00-3,15
Cold Crushing Strenght [MPa] ≥ 35 ≥ 35 ≥ 40 ≥ 40 ≥ 40 ≥ 40
Dolomite Spinel Fired MgO Alumina
RM DOL E RM LMT65 RM LMT80 RM M90 RM 42 RM 62 RM 80
Chemical
composition*
MgO [%] 37,0-37,5 ≥ 19,0 ≥ 8,0 89,0-91,0 - - -
CaO [%] 56,0-58,0 ≤ 0,5 ≤ 0,3 1,5-3,5 - - -
SiO2 [%] 1,0-1,2 ≤ 7,0 ≤ 3,0 3,0-5,0 48,0-53,0 30,0-32,0 12,0-15,0
Fe2O3 [%] 0,7-1,1 ≤ 2,0 ≤ 0,8 0,8-1,5 1,8-2,0 1,8-2,0 1,9-2,1
Al2O3 [%] 0,2-0,6 ≥ 63,0 ≥ 78,0 0,3-0,6 42,0-45,0 61,0-63,0 78,0-82,0
TiO2 [%] - ≤ 2,0 ≤ 1,5 - 2,3-2,7 2,5-2,8 2,6-3,2
C [%] 2,0-3,0 8,0-10,0 7,0-9,0 - - - -
Physical
properties
Apparent Porosity [%] 4,0-5,0 ≤ 7,0 ≤ 4,0 ≤ 20,0 19,0-23,0 20,0-24,0 20,0-24,0
Bulk density [g/cm3] 2,90-3,00 3,05-3,10 3,25-3,30 2,90-2,95 2,10-2,20 2,35-2,45 2,55-2,70
Cold Crushing Strenght [MPa] ≥ 40 ≥ 40 ≥ 40 ≥ 50 25-40 45-65 50-70

Ingot casting refractories

Ingot casting plants today are faced with the same steel cleanliness demands as plants using the continuous casting route. Misano Group, leader on the Italian market for runner/casting bricks, manufactures refractory materials with dimensional accuracy and excellent quality.
Misano Group can draw on more than 40 years of experience in the field of ingot casting to provide the high level of products and services.

We can offer a complete range of aluminous refractory shapes for the casting of ingots and high quality casts. In order to meet the specific requirements of each steel plant, Misano Group has set up a vast assortment of moulds and is therefore in a position to produce custom-made products or special shapes according to different production requirements.

Ingot casting refractories
RM 42 RM 62 RM 70 RM 70 BF RM 75
Chemical
composition*
Al2O3 [%] 42,0-45,0 61,0-63,0 69,0-72,0 69,0-72,0 73,0-76,0
SiO2 [%] 48,0-52,0 30,0-33,0 20,0-24,0 20,0-24,0 15,0-18,0
Fe2O3 [%] 1,6-1,9 1,7-2,0 1,7-2,0 1,4-1,6 1,4-1,8
TiO2 [%] 2,3-2,7 2,3-2,7 2,4-3,0 2,4-3,0 2,6-3,0
Physical
properties
Apparent Porosity [%] 23,0-27,0 23,0-27,0 24,0-28,0 24,0-28,0 24,0-28,0
Bulk density [g/cm3] 2,00-2,20 2,10-2,30 2,20-2,40 2,20-2,40 2,25-2,45
Cold Crushing Strenght [MPa] ≥ 24 ≥ 30 ≥ 35 ≥ 35 ≥ 38