According to customers' needs, CH Refractories can provide ordinary, quick exchangeable and gas purging upper nozzles. The bowl part of the tundish nozzle is available with Al2O3-C, MgO-C and spinel-C based and the main body is Al2O3-C based.
According to customers’ needs, CH Refractories can provide ordinary, quick exchangeable and gas purging upper nozzles. The bowl part of the tundish nozzle is available with Al2O3-C, MgO-C and spinel-C based and the main body is Al2O3-C based. The main component of the inner core is zirconia, which has the characteristics of high fire resistance, good thermal shock stability, corrosion resistance, erosion resistance, small diameter expansion and long life.18. The tundish zirconium sizing nozzle made by CH refractories company, can be widely used for continuous casting and molded casting, which with different service life according to different specifications.
Inner core
|
Brand |
CH-DJX |
|||||||||||
|
/ |
X1 |
X2 |
X3 |
X4 |
X5 |
X6 |
X7 |
X8 |
X9 |
X11 |
X12 |
X13 |
|
ZrO2/% |
70 |
75 |
80 |
85 |
90 |
93 |
93 |
93 |
93 |
95 |
95 |
95 |
|
Bulk density/g.cm3 |
3.8 |
3.9 |
4 |
4.1 |
4.3 |
4.5 |
4.7 |
4.9 |
5.1 |
5.1 |
5.2 |
5.5 |
|
Apparent porosity／％ |
22 |
22 |
20 |
20 |
20 |
20 |
18 |
15 |
13 |
13 |
10 |
8 |
|
Themal shock resistance /cycle(1100℃water cooling) |
5 |
5 |
5 |
5 |
5 |
5 |
5 |
5 |
5 |
5 |
5 |
5 |
Coat
|
Brand |
CH-DJW |
|||||
|
/ |
W1 |
W2 |
W3 |
W4 |
W5 |
W6 |
|
ZrO2/% |
≥65 |
≥65 |
≥70 |
≥70 |
≥75 |
≥75 |
|
C/% |
— |
— |
— |
≥3 |
— |
≥5 |
|
Bulk density/g.cm3 |
≥2.3 |
≥2.6 |
≥2.6 |
≥2.7 |
≥2.7 |
≥2.85 |
|
Apparent porosity／％ |
≤24 |
≤15 |
≤22 |
≤20 |
≤20 |
≤15 |
CH refractories can design and produce argon purging and non-purging monoblock stopper as per the conditions of continuous casting processes in steel mills. The head of monoblock stopper can be Al2O3-C , MgO-C, Spinel-C or ZrO2-C based according to the types of steel to cast.
CH Refractories manufactures different brands ladle nozzle and collector nozzle for various capacity ladle, which can meet different service life requirements.
CH Refractories manufactured casting powder is widely applied for both opening and protected CCM casting condition as well as molded casting . Our engineer will design each order of casting powder composition according to steel grade, casting speed, and other related casting condition.
If you need our products please write down any questions, we will reply as soon as possible.