Article(id=1217470736588001956, tenantId=1146029695717560320, journalId=1189873562199433220, issueId=1217470732511134007, articleNumber=null, orderNo=null, doi=10.19710/J.cnki.1003-8817.20230144, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=research-article, receivedDate=null, receivedDateStr=null, revisedDate=null, revisedDateStr=null, acceptedDate=null, acceptedDateStr=null, onlineDate=1768197243115, onlineDateStr=2026-01-12, pubDate=1692460800000, pubDateStr=2023-08-20, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1768197243115, onlineIssueDateStr=2026-01-12, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1768197243115, creator=13701087609, updateTime=1768197243115, updator=13701087609, issue=Issue{id=1217470732511134007, tenantId=1146029695717560320, journalId=1189873562199433220, year='2023', volume='', issue='8', pageStart='1', pageEnd='72', issueExtLink='null', onlineDate='null', pubDate='1692460800000', pubDateStr='2023-08-20', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1768197242143, creator='13701087609', updateTime=1768198131318, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext={EN=IssueExt(id=1217474462023336595, tenantId=1146029695717560320, journalId=1189873562199433220, issueId=1217470732511134007, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1217474462023336596, tenantId=1146029695717560320, journalId=1189873562199433220, issueId=1217470732511134007, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null, downloadFileDto=null}, startPage=46, endPage=50, ext={EN=ArticleExt(id=1217470737988899522, articleId=1217470736588001956, tenantId=1146029695717560320, journalId=1189873562199433220, language=EN, title=Development and Application of Non-Quenched and Tempered Cold Heading Steel for Automobile Chassis Parts, columnId=null, journalTitle=Automobile Technology & Material, columnName=null, runingTitle=null, highlight=null, articleAbstract=

In this paper, Thermo-Calc software was used for composition design, and the temperature control rolling control cooling process was formulated in combination with the Continuous Cooling Transformation (CCT) curve measured by thermal simulation. By reducing the oxygen content of electric furnace tapping, optimizing the soft blowing process of external refining and adopting protective casting measures, type A inclusion level of hot rolled wire rod ≤1.0, type B inclusion level≤0.5, type C inclusion level=0, and type D inclusion level≤1.0, type Ds inclusion level=0. Ferrite-pearlite microstructure can be obtained by controlled rolling, temperature and cooling process, with tensile strength ≥ 740 MPa, elongation ≥ 22%, surface shrinkage ≥52%, total decarburization depth≤0.10 mm, grain size level ≥ 9 and cold forging meeting 1/3 of the requirements without cracking. The results indicate that the non-quenched and tempered cold heading steel developed in this research can be simultaneously used to make automotive chassis components such as steering ball pins, Grade 10.9 bolts, and brake system guide rods.

, authors=null, authorsList=Yang Wang, Lei Zhou, authorCompany=null, correspAuthors=null, authorNote=null, correspAuthorsNote=null, copyrightStatement=null, copyrightOwner=null, extLink=null, articleAbsUrl=null, sourceXml=null, magXml=null, pdfUrl=null, pdf=null, pdfFileSize=null, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=null, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=null, mapNumber=null, fund=null), CN=ArticleExt(id=1217470738924229352, articleId=1217470736588001956, tenantId=1146029695717560320, journalId=1189873562199433220, language=CN, title=汽车底盘零部件用非调质冷镦钢开发与应用, columnId=1217470733345800506, journalTitle=汽车工艺与材料, columnName=中国汽车工程学会汽车材料分会第23届学术年会优秀论文, runingTitle=null, highlight=null, articleAbstract=

采用Thermo-Calc软件进行成分设计，结合连续冷却转变（CCT）曲线制定控温-控轧-控冷工艺。通过降低电炉出钢氧含量、优化炉外精炼软吹工艺、采用保护浇铸措施，可实现热轧盘条A类夹杂物≤1.0级，B类夹杂物≤0.5级，C类夹杂物0级，D类细系夹杂物≤1.0级，Ds夹杂物0级；通过控温-控轧-控冷工艺，可获得铁素体+珠光体组织，抗拉强度≥740 MPa，延伸率≥22%，面缩率≥52%，总脱碳层深≤0.10 mm，晶粒度≥9级，冷顶锻满足1/3不开裂。结果表明：开发的非调质冷镦钢经拉拔后可同时用于制作转向球销、10.9级螺栓以及刹车系统导杆等汽车底盘零部件。

, authors=, authorsList=王杨, 周蕾, authorCompany=null, correspAuthors=null, authorNote=null, correspAuthorsNote=null, copyrightStatement=null, copyrightOwner=null, extLink=null, articleAbsUrl=null, sourceXml=j1v3wJn0AR0eaCIomovbbA==, magXml=Y7uFqBCImtQexiZxuQtvnA==, pdfUrl=null, pdf=alV95JaxWSCWbgUFjlCouw==, pdfFileSize=1578915, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=Czsx/XivLMaNdw4eLMVWdw==, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=tZdFWa5ey/QSeDsQK2vguw==, mapNumber=null, fund=null)}, authors=[Author(id=1217498885598138863, tenantId=1146029695717560320, journalId=1189873562199433220, articleId=1217470736588001956, orderNo=0, firstName=null, middleName=null, lastName=null, nameCn=null, orcid=null, stid=null, country=null, authorPic=null, dead=0, email=null, emailSecond=null, emailThird=null, correspondingAuthor=0, authorType=1, ext={EN=AuthorExt(id=1217498885669442034, tenantId=1146029695717560320, journalId=1189873562199433220, articleId=1217470736588001956, authorId=1217498885598138863, language=EN, stringName=Yang Wang, firstName=Yang, middleName=null, lastName=Wang, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=null, address=Special Steel Business Unit, NISCO, Nanjing 210035, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1217498885740745205, tenantId=1146029695717560320, journalId=1189873562199433220, articleId=1217470736588001956, authorId=1217498885598138863, language=CN, stringName=王杨, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=null, address=南京钢铁股份有限公司特钢事业部，南京 210035, bio={"content":"

王杨（1990—），男，工程师，博士学位，研究方向为汽车钢棒线材产品及项目开发。

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王杨（1990—），男，工程师，博士学位，研究方向为汽车钢棒线材产品及项目开发。

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种类	C	Si	Mn	P	S	其它
质量分数	0.250~0.300	0.500~0.700	1.000~1.500	≤0.025	≤0.025	添加适量V、Ti、N等强化元素

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汽车底盘零部件用非调质冷镦钢成分（质量分数） %

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种类	C	Si	Mn	P	S	其它
质量分数	0.250~0.300	0.500~0.700	1.000~1.500	≤0.025	≤0.025	添加适量V、Ti、N等强化元素

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规格 /mm	组织类型	实际晶粒度/级	全脱碳 层深/mm	总脱碳 层深/mm
Φ14	铁素体+珠光体	10.0	0	0.07
Φ18	铁素体+珠光体	9.5	0	0.08
Φ22	铁素体+珠光体	9.0	0	0.10

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不同规格非调质冷镦钢组织类型、实际晶粒度、脱碳层深

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规格 /mm	组织类型	实际晶粒度/级	全脱碳 层深/mm	总脱碳 层深/mm
Φ14	铁素体+珠光体	10.0	0	0.07
Φ18	铁素体+珠光体	9.5	0	0.08
Φ22	铁素体+珠光体	9.0	0	0.10

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规格/mm	A细	A粗	B细	B粗	C细	C粗	D细	D粗	Ds
Φ14	1.0	0	0.5	0	0	0	0.5	0	0
Φ18	0.5	0	0.5	0	0	0	1.0	0	0
Φ22	0.5	0	0	0	0	0	0.5	0	0

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不同规格非调质冷镦钢非金属夹杂物评级

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规格/mm	A细	A粗	B细	B粗	C细	C粗	D细	D粗	Ds
Φ14	1.0	0	0.5	0	0	0	0.5	0	0
Φ18	0.5	0	0.5	0	0	0	1.0	0	0
Φ22	0.5	0	0	0	0	0	0.5	0	0

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规格 /mm	抗拉强度 /MPa	延伸率/%	面缩率/%	冷顶锻
Φ14	740	24	62	1/3不开裂
Φ18	750	22	56	1/3不开裂
Φ22	740	22	52	1/3不开裂

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不同规格热轧盘条力学性能、冷顶锻性能

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规格 /mm	抗拉强度 /MPa	延伸率/%	面缩率/%	冷顶锻
Φ14	740	24	62	1/3不开裂
Φ18	750	22	56	1/3不开裂
Φ22	740	22	52	1/3不开裂

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