CHROME-PERICLASE HIGH REFRACTORY PRODUCTS ACCORDING TO ACCORDING TO DSTU 2509-94 (GOST 5381-93)

HP2

Chrome-periclase high-refractory burnt products are intended for laying of arches of electric-steelmaking furnaces and other heat aggregates, operating at temperatures 1700-1750°С.

The products are laid on wooden pallet, laid with cardboard sheets, protected with cardboard angles along the perimeter, wrapped with stretch-film and bundled with polypropylene strip.
Parameter descriptionValue
Typemagnesia spinel
Groupchrome-periclase (MgO 40-60%, Cr2O3 15-35%)
Refractoriness valuehigh fire resistance (1770 to 2000°С)
Porosity degreeaverage dense (Ptot 20-30%)
Heat treatment methodburnt
Molding processsemidry forming
Binding type 1with inorganic binders
Binding type 2ceramic
Intended purposerepair/construction
scope of applicationfor lining of high temperature heat aggregates
Reference document for product propertiesChrome-periclase high refractory products according to according to DSTU 2509-94 (GOST 5381-93)
Reference documents for product dimensionsChrome-periclase high refractory products according to DSTU 2509-94 (GOST 5381-93)
Parameter descriptionValue
Apparent specific gravity, g/сm3≥ 2,95
Compression ultimate strength, N/mm2, not less than27,5
Cr2O3, %≥ 22
Fusion point, °С, not less than1520
Interconnected porosity, %, not more than22
MgO, %≥ 46
SiO2, %≤ 7
Thermal resistance, thermal cycles, not less than2
FormArticle No.Additional informationPhoto
crossover double-sided feather-edged brickNo.10mark-54-conf-252-small.jpg
No.9
edge double-sided feather-edged brickNo.7mark-54-conf-254-small.jpg
No.8
front feather-edged brick (double-sided or one-sided)No.4mark-54-conf-258-small.jpg
No.5
No.6
straight brickNo.1mark-54-conf-261-small.jpg
No.2
front one-and-a-half feather-edged brick (double-sided and one-sided)No.3mark-54-conf-287-small.jpg
FormArticle No.Dimension, mmDrawing
crossover double-sided feather-edged brickNo.10UNDEFcrossover double-sided feather-edged brick
No.9UNDEF
edge double-sided feather-edged brickNo.7L = 230
B = 115
S = 65
S1 = 45
No.8L = 230
B = 115
S = 65
S1 = 55
front feather-edged brick (double-sided or one-sided)No.4L = 230
B = 115
S = 65
S1 = 55
No.5L = 230
B = 115
S = 65
S1 = 60
No.6L = 200
B = 120
S = 70
S1 = 62
straight brickNo.1L = 230
B = 115
S = 65		straight brick
No.2L = 300
B = 150
S = 65
front one-and-a-half feather-edged brick (double-sided and one-sided)No.3L = 230
B = 115
S = 65
S1 = 45		front one-and-a-half feather-edged brick (double-sided and one-sided)