不锈钢是一种高质量的合金钢,是不锈钢与耐酸钢的总称,是科技发展与日常生活和工作中的必需品。不锈钢具有许多优势,对冶炼设备和基本工艺路线具有严格的要求。

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.

不锈钢冶炼三步法也叫三联炼钢法，三步法工艺各环节分工明确，使操作最佳化，产品质量高，品种范围广，因而既适用于专业化的不锈钢生产厂家，也适用于钢铁企业的不锈钢生产。

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.

该工艺的主要优点有：

The main advantages of the process are:

1、直接熔化废钢和合金，然后进行下一步的快速脱碳保铬，最后利用VOD真空处理进行钢液的深脱碳和调整合金成分，分工明确，生产节奏快，操作优化。

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、钢水质量好，里面H、O、N等含量低，可生产钢种广，可以生产不锈钢的所有品种。

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、对原料的要求不高，可以使用铁水，可以使用高碳铬铁等原料。

3, the raw material requirements are not high, you can use hot metal, you can use high carbon ferrochrome and other raw materials.

三步法的最大特点是可以使用铁水作为原料，在粗炼钢水选择和工艺优化方面具有优势，但生产成本较高，比较适合于规模较大的不锈钢专业生产厂家。

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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