CN104294172A - 一种高碳热轧硅钢合金 - Google Patents

一种高碳热轧硅钢合金 Download PDF

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CN104294172A
CN104294172A CN201410523185.4A CN201410523185A CN104294172A CN 104294172 A CN104294172 A CN 104294172A CN 201410523185 A CN201410523185 A CN 201410523185A CN 104294172 A CN104294172 A CN 104294172A
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silicon steel
steel alloy
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郑洪�
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Hefei Weiyi metal material Co., Ltd.
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HEFEI HENGTAI STEEL STRUCTURE Co Ltd
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    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/18Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/40Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/50Ferrous alloys, e.g. steel alloys containing chromium with nickel with titanium or zirconium
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21DMODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D8/00Modifying the physical properties by deformation combined with, or followed by, heat treatment
    • C21D8/02Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
    • C21D8/0205Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips of ferrous alloys
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21DMODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D8/00Modifying the physical properties by deformation combined with, or followed by, heat treatment
    • C21D8/02Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
    • C21D8/0221Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the working steps
    • C21D8/0226Hot rolling
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C33/00Making ferrous alloys
    • C22C33/04Making ferrous alloys by melting
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/02Ferrous alloys, e.g. steel alloys containing silicon
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/04Ferrous alloys, e.g. steel alloys containing manganese
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/18Ferrous alloys, e.g. steel alloys containing chromium
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/18Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/40Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/18Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/40Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/44Ferrous alloys, e.g. steel alloys containing chromium with nickel with molybdenum or tungsten
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/18Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/40Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/54Ferrous alloys, e.g. steel alloys containing chromium with nickel with boron

Abstract

本发明公开了一种高碳热轧硅钢合金,其所含化学元素的质量百分数如下:C:1.4%-1.6%;Si:3.75%-3.85%;Cr:1.4%-1.6%;Mn:0.8%-1.0%;Ni:0.006%-0.008%;Ti:0.004%-0.006%;Al:0.10%-0.14%;W:0.005%-0.01%;B:0.002%-0.004%;Mo:0.005%-0.012%;S:0-0.04%;P:0-0.06%;余料为Fe;按以下步骤进行制备:按化学元素质量百分数配置各原料,在各原料加入感应炉内加热融化,并在高于熔点200-240℃的温度下保持5-10min,使得熔体的温度和成分达到均匀,采用高压惰性气体将熔体进行喷射,使之雾化为细小液滴后在收集基板上进行沉积,凝固得到坯料;将获得的坯料进行热轧,得到板料;将获得的坯料放入热处理炉中,保温之后空冷得到所述高碳热轧硅钢合金。

Description

一种高碳热轧硅钢合金
技术领域
本发明属于钢铁材料技术领域,尤其涉及一种高碳热轧硅钢合金。
背景技术
由于制造技术比普钢产品严格,生产工艺复杂且技术含量较高,硅钢一度被称为“钢铁产品中的工艺品”,是一个国家钢铁产业发展水平的标志,目前,我国硅钢产能过剩严重,同质化竞争严重,价格持续下降。现有技术中,硅钢主要是作为软磁材料,具有极低的碳含量,并采用冷轧技术,获得较高的磁导率,但是在机械性能方面不足,无法制作一些需要较高机械性能且具有磁性的部件,需要进行改进。
发明内容
本发明的目的在于克服现有技术的不足,提供了一种高碳热轧硅钢合金,其性能优异。
本发明提出了一种高碳热轧硅钢合金,其所含化学元素的质量百分数如下:
C:1.4%-1.6%;Si:3.75%-3.85%;Cr:1.4%-1.6%;Mn:0.8%-1.0%;Ni:0.006%-0.008%;Ti:0.004%-0.006%;Al:0.10%-0.14%;W:0.005%-0.01%;B:0.002%-0.004%;Mo:0.005%-0.012%;S:0-0.04%;P:0-0.06%;余料为Fe;
根据上述配比,按以下步骤制备所述高碳热轧硅钢合金:
S1:熔炼,按化学元素质量百分数配置各原料,在各原料加入感应炉内加热融化,并在高于熔点200-240℃的温度下保持5-10min,使得熔体的温度和成分达到均匀,采用高压惰性气体将熔体进行喷射,使之雾化为细小液滴后在收集基板上进行沉积,凝固得到坯料;
S2:热轧处理,将S1中获得的坯料进行热轧,热轧温度为960-1000℃,得到板料;
S3:热处理,将S2中获得的坯料放入热处理炉中,在780-820℃保温2-3小时,空冷,得到所述高碳热轧硅钢合金。
优选地,在步骤S1中,各原料熔化后,将熔体在高于熔点220℃的温度下保持8min。
优选地,在步骤S2中,热轧温度为980℃。
优选地,在步骤S3中,在800℃保温2.5小时。
优选地,,其所含化学元素的质量百分数如下:C:1.45%-1.58%;Si:3.78%-3.82%;Mn:0.88%-0.95.0%;Cr:1.42%-1.56%;Ni:0.0065%-0.0078%;Ti:0.0045%-0.0056%;Al:0.11%-0.13%;W:0.006%-0.01%;B:0.002%-0.004%;Mo:0.005%-0.012%;S:0-0.04%;P:0-0.06%;余料为Fe。
优选地,其所含化学元素的质量百分数如下:C:1.52%;Si:3.79%;Cr:1.46%;Mn:0.92%;Ni:0.007%;Ti:0.005%;Al:0.12%;W:0.008%;B:0.003%;Mo:0.009%;S:0-0.04%;P:0-0.06%;余料为Fe。
本发明中,通过对合金的化学元素进行合理选择,采用较高的C、Cr、Mn元素含量,并优化了各元素的组合配比,结合化学元素的选择,制定制备工艺时,在熔炼过程中,采用喷射成形的方式获取坯料,并采用热轧处理的方式,优化合金组织,在热轧之后,进行热处理,优化了热处理过程中的相关参数,使得合金组织在获得硅铁组织的同时,具有合适比例的珠光体和球化组织的优化组合,从而使硅钢片获得优异的性能。
具体实施方式
下面结合具体实例对本发明做出详细说明,应当了解,实施例只用于说明本发明,而不是用于对本发明进行限定,任何在本发明基础上所做的修改、等同替换等均在本发明的保护范围内。
实施例1
一种高碳热轧硅钢合金,其所含化学元素的质量百分数如下:
C:1.52%;Si:3.79%;Cr:1.46%;Mn:0.92%;Ni:0.007%;Ti:0.005%;Al:0.12%;W:0.008%;B:0.003%;Mo:0.009%;S:0.04%;P:0.06%;余料为Fe;
根据上述配比,按以下步骤制备所述高碳热轧硅钢合金:
S1:熔炼,按化学元素质量百分数配置各原料,在各原料加入感应炉内加热融化,并在高于熔点220℃的温度下保持8min,使得熔体的温度和成分达到均匀,采用高压惰性气体将熔体进行喷射,使之雾化为细小液滴后在收集基板上进行沉积,凝固得到坯料;
S2:热轧处理,将S1中获得的坯料进行热轧,热轧温度为980℃,得到板料;
S3:热处理,将S2中获得的坯料放入热处理炉中,在800℃保温2.5小时,空冷,得到所述高碳热轧硅钢合金。
实施例2
一种高碳热轧硅钢合金,其所含化学元素的质量百分数如下:
C:1.6%;Si:3.75%;Cr:1.6%;Mn:0.8%;Ni:0.008%;Ti:0.004%;Al:0.14%;W:0.005%;B:0.004%;Mo:0.005%;S:0.04%;P:0.06%;余料为Fe;
根据上述配比,按以下步骤制备所述高碳热轧硅钢合金:
S1:熔炼,按化学元素质量百分数配置各原料,在各原料加入感应炉内加热融化,并在高于熔点240℃的温度下保持5min,使得熔体的温度和成分达到均匀,采用高压惰性气体将熔体进行喷射,使之雾化为细小液滴后在收集基板上进行沉积,凝固得到坯料;
S2:热轧处理,将S1中获得的坯料进行热轧,热轧温度为1000℃,得到板料;
S3:热处理,将S2中获得的坯料放入热处理炉中,在780℃保温3小时,空冷,得到所述高碳热轧硅钢合金。
实施例3
一种高碳热轧硅钢合金,其所含化学元素的质量百分数如下:
C:1.4%;Si:3.85%;Cr:1.4%;Mn:1.0%;Ni:0.006%;Ti:0.006%;Al:0.10%;W:0.01%;B:0.002%;Mo:0.012%;S:0.04%;P:0.06%;余料为Fe;
根据上述配比,按以下步骤制备所述高碳热轧硅钢合金:
S1:熔炼,按化学元素质量百分数配置各原料,在各原料加入感应炉内加热融化,并在高于熔点200℃的温度下保持10min,使得熔体的温度和成分达到均匀,采用高压惰性气体将熔体进行喷射,使之雾化为细小液滴后在收集基板上进行沉积,凝固得到坯料;
S2:热轧处理,将S1中获得的坯料进行热轧,热轧温度为960℃,得到板料;
S3:热处理,将S2中获得的坯料放入热处理炉中,在820℃保温2小时,空冷,得到所述高碳热轧硅钢合金。
在实施例1-3中,测试制得的高碳热轧硅钢合金的各项机械性能,性能数据如表1所示。
拉伸强度/MPa 延伸率/%
实施例1 1352 19
实施例2 1342 18
实施例3 1346 18

Claims (6)

1.一种高碳热轧硅钢合金,其特征在于,其所含化学元素的质量百分数如下:
C:1.4%-1.6%;Si:3.75%-3.85%;Mn:0.8%-1.0%;Cr:1.4%-1.6%;Ni:0.006%-0.008%;Ti:0.004%-0.006%;Al:0.10%-0.14%;W:0.005%-0.01%;B:0.002%-0.004%;Mo:0.005%-0.012%;S:0-0.04%;P:0-0.06%;余料为Fe;
根据上述配比,按以下步骤制备所述高碳热轧硅钢合金:
S1:熔炼,按化学元素质量百分数配置各原料,在各原料加入感应炉内加热融化,并在高于熔点200-240℃的温度下保持5-10min,使得熔体的温度和成分达到均匀,采用高压惰性气体将熔体进行喷射,使之雾化为细小液滴后在收集基板上进行沉积,凝固得到坯料;
S2:热轧处理,将S1中获得的坯料进行热轧,热轧温度为960-1000℃,得到板料;
S3:热处理,将S2中获得的坯料放入热处理炉中,在780-820℃保温2-3小时,空冷,得到所述高碳热轧硅钢合金。
2.根据权利要求1所述的高碳热轧硅钢合金,其特征在于,在步骤S1中,各原料熔化后,将熔体在高于熔点220℃的温度下保持8min。
3.根据权利要求1所述的高碳热轧硅钢合金,其特征在于,在步骤S2中,热轧温度为980℃。
4.根据权利要求1所述的高碳热轧硅钢合金,其特征在于,在步骤S3中,在800℃保温2.5小时。
5.根据权利要求1-4任一项所述的高碳热轧硅钢合金,其特征在于,其所含化学元素的质量百分数如下:C:1.45%-1.58%;Si:3.78%-3.82%;Mn:0.88%-0.95.0%;Cr:1.42%-1.56%;Ni:0.0065%-0.0078%;Ti:0.0045%-0.0056%;Al:0.11%-0.13%;W:0.006%-0.01%;B:0.002%-0.004%;Mo:0.005%-0.012%;S:0-0.04%;P:0-0.06%;余料为Fe。
6.根据权利要求5所述的高碳热轧硅钢合金,其特征在于,其所含化学元素的质量百分数如下:C:1.52%;Si:3.79%;Mn:0.92%;Cr:1.46%;Ni:0.007%;Ti:0.005%;Al:0.12%;W:0.008%;B:0.003%;Mo:0.009%;S:0-0.04%;P:0-0.06%;余料为Fe。
CN201410523185.4A 2014-09-30 2014-09-30 一种高碳热轧硅钢合金 Pending CN104294172A (zh)

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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000319726A (ja) * 1999-03-11 2000-11-21 Sumitomo Metal Ind Ltd 溶接性に優れた高強度鋼板の製造方法
CN1950530A (zh) * 2004-07-16 2007-04-18 杰富意钢铁株式会社 机械结构用部件,其制造方法和高频淬火材料
CN101049669A (zh) * 2007-05-14 2007-10-10 北京科技大学 高硅钢薄板的冷轧制备方法

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000319726A (ja) * 1999-03-11 2000-11-21 Sumitomo Metal Ind Ltd 溶接性に優れた高強度鋼板の製造方法
CN1950530A (zh) * 2004-07-16 2007-04-18 杰富意钢铁株式会社 机械结构用部件,其制造方法和高频淬火材料
CN101049669A (zh) * 2007-05-14 2007-10-10 北京科技大学 高硅钢薄板的冷轧制备方法

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