Quick Change Tundish Nozzle Upper Nozzle Coll
Quick Change tundish nozzle upper nozzle collector nozzle sizing nozzle for continuous casting
|Place of Origin:Henan, China (Mainland)||Shape:Pipe|
|SiO2 Content (%):1-2||Al2O3 Content (%):5-15|
|CrO Content (%):95%-96%||CaO Content (%):less|
|MgO Content (%):less||CIQ certificate:according to requirement|
|Packing:wooden box||MOQ:1000 pcs|
|Refractoriness (Degree):1770℃< Refractoriness< 2000 ℃|
The high quality zirconium nozzle is the main component of the quick-change system. Quick-change system consisting of upper nozzle and collector nozzle.
This nozzle has strong erosion resistant and good thermal shock, and has a long continuous casting time.
It can be continuously poured for more than 40 hours for alloy steel .
The carbon steel can be continuously casting for more than 50h, and collector nozzle can reach more than 15 hours, which can meet the requirements of high efficiency continuous casting.
Zr(Hf)O2 % ≥
Bulk density (g/cm3) ≥
Apparent porosity % ≤
Cold crushing strength Mpa ≥
Thermal shock resistance /cycle
(1100°C water quenching) ≥
Used in billet con-casting system to control molten steel flow
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