化学成分对X32双金属锯条用钢热处理性能的影响

doi:10.13251/j.issn.0254-6051.2023.05.014

金属热处理 ›› 2023, Vol. 48 ›› Issue (5): 83-89.DOI: 10.13251/j.issn.0254-6051.2023.05.014

化学成分对X32双金属锯条用钢热处理性能的影响

曾斌¹, 汪净¹, 梁亮¹, 陈刚², 苏斌²

1.湖南华菱涟源钢铁有限公司技术中心, 湖南娄底 417009;
2.湖南大学材料科学与工程学院, 湖南长沙 410082

收稿日期:2022-10-17 修回日期:2023-03-15 出版日期:2023-05-25 发布日期:2023-06-21
作者简介:曾斌(1982—),男,高级工程师,博士,主要研究方向为钢铁材料,E-mail: binzeng@yeah.net

Effect of chemical composition on heat treatment properties of X32 steel for bimetal saw blade

Zeng Bin¹, Wang Jing¹, Liang Liang¹, Chen Gang², Su Bin²

1. Technical Center, Lianyuan Iron & Steel Co., Ltd., Loudi Hunan 417009, China;
2. College of Materials Science and Engineering, Hunan University, Changsha Hunan 410082, China

Received:2022-10-17 Revised:2023-03-15 Online:2023-05-25 Published:2023-06-21

摘要/Abstract

摘要： 为开发合金含量更低、更经济的X32钢材,制备了两种不同C、N含量的X32钢,通过性能和组织的表征来探讨其可行性。测定了两种X32钢的静态CCT曲线,研究了两种钢钢轧中间坯样热处理后的显微组织和力学性能,并通过两种X32冷轧带钢的工业化试制对热处理试验结果进行验证。研究表明,X32钢通过提高钢水中C、N含量,采用钒碳、钒氮微合金化技术,可实现明显的显微组织细化和强度、硬度提升。在不影响质量的前提下,采用钒碳、钒氮微合金化技术,提高C、N含量来降低Ni、Cr、Mo合金含量是可行的,这为开发更经济的新型X32钢指明了方向。

关键词: X32钢, 双金属锯条用钢, 合金工具钢, 热处理

Abstract: Two X32 steels with different contents of C and N were prepared in order to develop novel X32 steel material with lower alloy content and more economical production cost. The feasibility was discussed through the characterization of properties and microstructure. The static CCT curves of two X32 steels were presented, and microstructure and mechanical properties of the hot rolled intermediate billet of these two steels after heat treatment were studied. The heat treatment experimental result was verified by industrial trial production of the two X32 steel cold strips. The research shows that X32 steel can achieve obvious microstructure refinement, strength and hardness improvement by increasing C and N content by adopting V-C and V-N microalloying technology. Therefore, without affecting quality, it is feasible to reduce the content of Ni, Cr and Mo alloy but increasing the content of C and N by using V-C and V-N microalloying technology, which points out the direction for developing new X32 steel with more economic production cost.

Key words: X32 steel, steel for bimetal saw blade, alloy tool steel, heat treatment

中图分类号:

TG161

曾斌, 汪净, 梁亮, 陈刚, 苏斌. 化学成分对X32双金属锯条用钢热处理性能的影响[J]. 金属热处理, 2023, 48(5): 83-89.

Zeng Bin, Wang Jing, Liang Liang, Chen Gang, Su Bin. Effect of chemical composition on heat treatment properties of X32 steel for bimetal saw blade[J]. Heat Treatment of Metals, 2023, 48(5): 83-89.

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化学成分对X32双金属锯条用钢热处理性能的影响

Effect of chemical composition on heat treatment properties of X32 steel for bimetal saw blade

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