Quick Change Tundish Nozzle Upper Nozzle Coll

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Product Details

Quick Change tundish nozzle upper nozzle collector  nozzle sizing nozzle for continuous casting

Quick Details

Place of Origin:Henan, China (Mainland)Shape:Pipe
SiO2 Content (%):1-2Al2O3 Content (%):5-15
CrO Content (%):95%-96%CaO Content (%):less
MgO Content (%):less CIQ certificate:according to requirement
Packing:wooden boxMOQ: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.

Item

RF-1

RF-2

RF-3

RF-4

RF-5

 

RF-6

 

Zr(Hf)O2  % ≥

70

75

80

85

90

95

Bulk density (g/cm3)   ≥

3.8

3.9

4.0

4.1

4.3

5.2

Apparent porosity %  ≤

22

22

20

20

20

12

Cold crushing strength Mpa  ≥

80

80

80

80

80

120

Thermal shock resistance /cycle

(1100°C water quenching)  ≥

5

5

5

5

5

5

Application

Used in billet con-casting system to control molten steel flow


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