STOPPER REFRACTORIES FOR STEEL TEEMING FROM LADLE ACCORDING TO DSTU GOST 5500:2006
SHSP-32 (POCKET BLOCK)
Chamotte stopper oven refractories are used for steel teeming from ladle.The products are laid on wooden pallet, laid with cardboard sheets, wrapped with stretch-film and bundled with polypropylene (or polyester) strip.
Parameter description | Value |
---|---|
Type | aluminosilicate |
Group | chamotte (Al2O3 28-45%) |
Refractoriness value | fire resistance (1580 to 1770°С) |
Porosity degree | average dense (Ptot 20-30%) |
Heat treatment method | burnt |
Molding process | semidry forming |
Binding type 1 | with inorganic binders |
Binding type 2 | ceramic |
Intended purpose | technology |
scope of application | for steel teeming from ladle |
Reference document for product properties | Stopper refractories for steel teeming from ladle according to DSTU GOST 5500:2006 |
Reference documents for product dimensions | Stopper refractories for steel teeming from ladle according to DSTU GOST 5500:2006 |
Parameter description | Value |
---|---|
Al2O3, % | ≥ 32 |
Compression ultimate strength, N/mm2, not less than | 15 |
Fire resistance, °С, not less than | 1690 |
Interconnected porosity, %, not more than | 23 |
Form | Article No. | Additional information | Photo |
---|---|---|---|
pocket block | customer drawing | ||
No.40 | |||
No.41 | Used with nozzles No.16 and No.27. | ||
No.42 | Used with nozzles No.17 and No.29. | ||
No.49 | Used with nozzle No.33. |