B - Operations – Transporting – 22 – D
Patent
B - Operations, Transporting
22
D
22/80
B22D 11/10 (2006.01) B22D 41/54 (2006.01) C04B 35/44 (2006.01)
Patent
CA 1263216
MOLTEN STEEL POURING NOZZLE ABSTRACT OF THE DISCLOSURE A molten steel pouring nozzle having along the axis thereof an inner bore through which molten steel flows. At least a part of the molten steel pouring nozzle is formed with a refractory consisting essentially of at least 30 wt.% calcium oxide and at least one of magnesium oxide and aluminum oxide; and the refractory contains at least one of the magnesium oxide and the aluminum oxide so that the melting point of the refractory falls within the region of at least 2,200°C in the CaO-MgO-Al2O3 ternary phase diagram.
497534
Macrae & Co.
Toshin Seiko Kabushiki Kaisha
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