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不銹鋼是一種高質量的合金鋼,是不銹鋼與耐酸鋼的總稱,是科技發展與日常生活和工作中的必需品。不銹鋼具有許多優勢,對冶煉設備和基本工藝路線具有嚴格的要求。
Stainless steel is a high quality alloy steel, stainless steel and acid resistant steel collectively, is the development of science and technology and daily necessities of life and work. Stainless steel has many advantages, and has strict requirements for smelting equipment and basic process route.
不銹鋼冶煉三步法也叫三聯煉鋼法，三步法工藝各環節分工明確，使操作最佳化，產品質量高，品種范圍廣，因而既適用于專業化的不銹鋼生產廠家，也適用于鋼鐵企業的不銹鋼生產。
Stainless steel smelting three step method is also called triple steelmaking method, the three step process of each division of labor is clear, so that the operation is optimized, the product quality is high, the variety range is wide, so it is suitable for professional stainless steel manufacturers, but also suitable for steel production of stainless steel enterprises.
該工藝的主要優點有：
The main advantages of the process are:
1、直接熔化廢鋼和合金，然后進行下一步的快速脫碳保鉻，最后利用VOD真空處理進行鋼液的深脫碳和調整合金成分，分工明確，生產節奏快，操作優化。
1, direct melting scrap and alloy, and then the next rapid decarburization, chromium protection, and finally use VOD vacuum treatment for deep decarburization of molten steel and adjust alloy composition, division of labor, production rhythm, operation optimization.
2、鋼水質量好，里面H、O、N等含量低，可生產鋼種廣，可以生產不銹鋼的所有品種。
2, the quality of molten steel is good, inside H, O, N content is low, can produce steel grades wide, can produce all varieties of stainless steel.
3、對原料的要求不高，可以使用鐵水，可以使用高碳鉻鐵等原料。
3, the raw material requirements are not high, you can use hot metal, you can use high carbon ferrochrome and other raw materials.
三步法的最大特點是可以使用鐵水作為原料，在粗煉鋼水選擇和工藝優化方面具有優勢，但生產成本較高，比較適合于規模較大的不銹鋼專業生產廠家。
The most important feature of the three step method is that the molten iron can be used as raw material, which has advantages in the selection of crude steel and process optimization, but the production cost is higher, which is more suitable for large-scale stainless steel professional manufacturers.
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