All material used for pressure parts shall be killed steel.
2
而沸腾钢从冶炼直至钢模中、韧性、硅铁或铝来脱氧。
The boiling steel from smelting until the steel mold, toughness, ferrosilicon or aluminum deoxidation.
3
连铸水口堵塞的类型有四种,即脱氧产物、固态钢、复杂氧化物及反应产物。
There are four types of the cloggings in the submerged nozzle for continuous casting. They are, namely, deoxidation products, solidified steel, complex oxides and reaction products.