PERICLASE-CHROME HIGH REFRACTORY PRODUCTS FOR LAYING OF ARCHES OF STEELMAKING FURNACES ACCORDING TO ACCORDING TO DSTU 2573-94 (GOST 10888-93)

PHGB

PHGB

Periclase-chrome well blocks are used for laying of arches of open-hearth, tandem and electric-steelmaking furnaces.

According to physical and chemical parameters the products meet the requirements for the PHSUT grade.

The products are produced in accordance with the customer drawing.

The products are laid on wooden pallet, laid with cardboard sheets, wrapped with stretch-film and bundled with polypropylene (or polyester) strip.
Parameter descriptionValue
Typemagnesia spinel
Grouppericlase-chrome (MgO ≥ 60%, Cr2O3 4-20%)
Refractoriness valuehigh fire resistance (1770 to 2000°С)
Porosity degreecompacted (Ptot 16-20%)
Heat treatment methodburnt
Molding processsemidry forming
Binding type 1with inorganic binders
Binding type 2ceramic
Intended purposerepair/construction
scope of applicationfor laying of arches of open-hearth, tandem and electric-steelmaking furnaces
Reference document for product propertiesPericlase-chrome high refractory products for laying of arches of steelmaking furnaces according to according to DSTU 2573-94 (GOST 10888-93)
Parameter descriptionValue
Additional linear shrinkage, %, not more than, at temperature, °С0,7 (1650°C)
Apparent specific gravity, g/сm33,12
Compression ultimate strength, N/mm2, not less than35
Cr2O3, %7-15
Fusion point, °С, not less than1540
Interconnected porosity, %, not more than18
MgO, %≥ 70
Thermal resistance, thermal cycles, not less than6
FormArticle No.Additional informationPhoto
weldblockcustomer drawingUNDEFPHGB weldblockmark-46-conf-292-small.jpg
FormArticle No.Dimension, mmDrawing
weldblockcustomer drawing