不锈钢材料的制备方法和不锈钢材料

本申请提供一种不锈钢材料的制备方法和不锈钢材料，包括如下步骤：步骤(1)：采用真空冶炼+真空自耗的双联工艺制备不锈钢坯料，并通过凝固参数控制减轻成分偏析；通过凝固参数控制减轻成分偏析包括：通过控制电流电压比，以控制自耗坯料糊状区最大熔池深度，进而减轻成分偏析，使得不锈钢坯料中的碳质量分数波动为±0 .015％以内；步骤(2)：对不锈钢坯料进行高温扩散均匀化处理，获得初级产品；步骤(3)：对步骤(2)获得的初级产品进行锻造或轧制变形处理，获得不锈钢材料。本申请提供的不锈钢材料的制备方法和不锈钢材料，能够有效降低不锈钢的偏析程度，减少夹杂物的分布，细化晶粒，并有利于孔洞和高温铁素体等缺陷的控制。

This present application provides a preparation method for stainless steel materials and the stainless steel material itself, which comprises the following steps:
Step (1): Prepare stainless steel billets using a dual process of vacuum smelting and vacuum consumable melting, and reduce compositional segregation by controlling solidification parameters. The method for reducing compositional segregation via solidification parameter regulation involves controlling the current-to-voltage ratio to regulate the maximum molten pool depth of the mushy zone of the consumable billet, thereby alleviating compositional segregation and limiting the mass fraction fluctuation of carbon in the stainless steel billet to within ±0.015%.
Step (2): Subject the stainless steel billet to high-temperature diffusion homogenization treatment to obtain a primary product.
Step (3): Subject the primary product obtained in Step (2) to forging or rolling deformation to obtain the stainless steel material.
The preparation method for stainless steel materials and the stainless steel material provided by the present application can effectively reduce the segregation degree of stainless steel, reduce the distribution of inclusions, refine the grain size, and facilitate the control of defects such as pores and high-temperature ferrite.

搜集汇总

背景与挑战

背景概述

该数据集详细描述了一种不锈钢材料的制备方法，包括真空冶炼+真空自耗双联工艺、高温扩散均匀化处理以及锻造或轧制变形三个关键步骤。该方法通过控制凝固参数来减轻成分偏析，并有效降低偏析程度、减少夹杂物、细化晶粒，同时有利于控制孔洞和高温铁素体等缺陷，从而提升不锈钢材料的性能和质量。