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3 挤压坯料的铸造生产挤压坏料的铸造厂的工作程序包括配料、熔化、为去掉杂质的熔体处理、晶粒细化、半连续铸造、锯掉料头和料尾、根据坯料长度剪切、高温退火、检查、包装和发运。 3.1 成分配料成分与挤压厂商定,通常是以标准相应的成分为基础的,同时要考虑达到尽可能高的可挤压性,挤压产品应达到强度和韧度之间的最佳配合。当Mg和Si含量在规定的范围内、Mn最多添加到0.1%以及Fe含量在限制范围内波动时,都能使光
3 Extruded Billet Casting Extruded billet foundry work procedures include ingredients, melting, to remove impurities melt processing, grain refinement, semi-continuous casting, sawing head and tail material, according to the length of the blank Shear, high temperature annealing, inspection, packaging and shipping. 3.1 Ingredients Ingredient ingredients and extrusion plant agreed, usually based on the corresponding standard ingredients, taking into account to achieve the highest possible squeezability, extrusion products should achieve the best strength and toughness between. When the contents of Mg and Si are within the prescribed ranges, Mn is added up to 0.1% and the Fe content fluctuates within the limits, light