Specifications

1:Tundish upper nozzle
2:In stock and short time delivery
3:superior resistance erosion.

Tundish upper nozzle Refractory material isdetailed as follow :

 

Graphic illustration:

 

1.Standard Al-C body materials having high corrosion and thermal shock resistances.

2.standard Al-C materials for the bowl structure having high corrosion resistance.

3.Spinel materials for the bowl structure to assure better adoption of stopper and exceptional good resistance to slag corrosion.

4.Standard Mg-based materials for the bowl structure having good corrosion resistance to slag containing Ca.

5.Standard material to prevent Al2O3 adhesion inside the nizzle.

6.Standard argon injection structure to prevent air suction.

  physical and chemical indicators :

 

	AI2O3%	Fe2O3%	SiO2%	Tio2%	ZrO2%	CaO%	MgO%	LOI%	density g/cm2	proosity	fraclure strength Mpa	application
Body	53.28	0.91	14.48	1.41				30.59	2.42	14.3	8.4	general
Bowl struclure	86.61	0.43	0.77	0.33				11.11	2.85	17.7	6.73	general
Bowl structure	71.43	0.91	10.65				5.71	10.95	2.78	16.3	14.5	Bowl struclure with serious corrosion
body	63.15	1.51	6.83	0.87	3.25			22.13	2.60	16.24	8.67	Inner part with serious corrosion
Liner	64.1	0.81	4.06		4.94	0.12	0.32	22.5	2.4	16.7	7.2	General anti-blocking
Liner	0.55		4.65		52	19.2	0.3	22.3	2.45	16.3	8.6	High standard anti-blocking
Liner	52.9		13.9			0.07	21	12.1	2.51	18.71	6	Low carbon
Bowl structure	15.1		8.95		0.29	1.56	56.8	17.3	2.59	16.7	7.8	Slag Containing Ca