CN112111692A - 高耐磨高抗事故性二中间辊 - Google Patents

高耐磨高抗事故性二中间辊 Download PDF

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CN112111692A
CN112111692A CN202010853218.7A CN202010853218A CN112111692A CN 112111692 A CN112111692 A CN 112111692A CN 202010853218 A CN202010853218 A CN 202010853218A CN 112111692 A CN112111692 A CN 112111692A
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冯斌
张曙辉
陈川
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Yixing Xinyuan Roll Industry Co ltd
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    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/02Ferrous alloys, e.g. steel alloys containing silicon
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21BROLLING OF METAL
    • B21B27/00Rolls, roll alloys or roll fabrication; Lubricating, cooling or heating rolls while in use
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23PMETAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
    • B23P15/00Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
    • 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
    • C21D1/00General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
    • C21D1/18Hardening; Quenching with or without subsequent tempering
    • 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
    • C21D1/00General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
    • C21D1/26Methods of annealing
    • C21D1/32Soft annealing, e.g. spheroidising
    • 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
    • C21D6/00Heat treatment of ferrous alloys
    • C21D6/002Heat treatment of ferrous alloys containing Cr
    • 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
    • C21D6/00Heat treatment of ferrous alloys
    • C21D6/005Heat treatment of ferrous alloys containing Mn
    • 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
    • C21D6/00Heat treatment of ferrous alloys
    • C21D6/007Heat treatment of ferrous alloys containing Co
    • 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
    • C21D6/00Heat treatment of ferrous alloys
    • C21D6/008Heat treatment of ferrous alloys containing Si
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    • 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
    • C21D9/00Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
    • C21D9/0081Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for slabs; for billets
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    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/002Ferrous alloys, e.g. steel alloys containing In, Mg, or other elements not provided for in one single group C22C38/001 - C22C38/60
    • 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
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    • 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
    • C22C38/22Ferrous alloys, e.g. steel alloys containing chromium 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
    • C22C38/24Ferrous alloys, e.g. steel alloys containing chromium with vanadium
    • 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
    • C22C38/30Ferrous alloys, e.g. steel alloys containing chromium with cobalt

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Abstract

本发明涉及一种高耐磨高抗事故性二中间辊,它包括(1)C12‑15份,(2)Si2‑6份,(3)Mn2‑5份,(4)Cr100‑110份,(5)Mo8‑12份,(6)V7‑10份,(7)Co3‑5份,(8)硅铜母粒耐磨剂1‑3份,(9)P0.2‑0.3份,(10)S0.2‑0.3份(11)Fe和不可避免的杂质800‑1000份,其制备方法,它包括(1)按照化学组份及重量份数进行精炼、浇注成锭、电渣重熔、锻打成型制得粗坯,(2)对粗坯进行锻造和球化退火处理制得钢坯,(3)对钢坯进行粗车和调制处理,(4)对钢坯进行淬火热处理,(5)对钢坯进行回火处理,(6)精加工,(7)超声表面波检测。本发明整体硬度可达80‑83HSD,整体硬度均匀性≤1HSD,使用寿命长,抗事故性能较传统轧辊提高1.5倍以上。

Description

高耐磨高抗事故性二中间辊
技术领域
本发明涉及一种二中间辊,具体涉及一种高硬度、高耐磨性及高抗事故性的二中间辊。
背景技术
目前,国内外同类轧辊制作都采5H12材质,经过整体热处理,达到所需的硬度,单次轧制硅钢公里低,并且轧辊不同程度存在抗疲劳性能差、剥落等缺陷,急需开发具有高性能高性价比的二中间辊。
发明内容
发明目的:本发明的目的是为了克服现有技术中的不足,提供一种整体硬度可达80-83HSD,整体硬度均匀性≤1HSD,使用寿命长,抗事故性能较传统轧辊提高1.5倍以上的高耐磨高抗事故性二中间辊。
技术方案:为了解决上述技术问题,本发明所述的高耐磨高抗事故性二中间辊,按重量份数计,它包括以下组份,
(1)C 12-15份,
(2)Si 2-6份,
(3)Mn 2-5份,
(4)Cr 100-110份,
(5)Mo 8-12份,
(6)V 7-10份,
(7)Co 3-5份,
(8)硅铜母粒耐磨剂 1-3份,
(9)P 0.2-0.3份,
(10)S 0.2-0.3份,
(11)Fe和不可避免的杂质 800-1000份,
其制备方法,它包括以下步骤,
(1)按照化学组份及重量份数进行精炼、浇注成锭、电渣重熔、锻打成型制得粗坯,
(2)对粗坯进行锻造和球化退火处理制得钢坯,
(3)对钢坯进行粗车和调制处理,
(4)对钢坯进行淬火热处理,
(5)对钢坯进行回火处理,
(6)精加工,
(7)超声表面波检测。
进一步地,步骤(1)中,锻打成型为反复镦粗和拔长的过程,每次镦粗和拔长的锻造比均为6.5-6.8。
进一步地,步骤(3)中的调质处理为将钢坯升温至950-970℃后保温3.5h。
进一步地,步骤(4)中的淬火热处理的温度为960-970℃。
进一步地,步骤(5)中的回火处理的回火温度为500-550℃,保温时间为25-32h。
有益效果:本发明与现有技术相比,其显著优点是:本发明采用改良材质,并且通过工艺优化,获得高硬度、高耐磨二中间辊,以达到轧辊长久服役和抗事故性,整体硬度可达80-83HSD,整体硬度均匀性≤1HSD,抗事故性能较传统轧辊提高1.5倍以上,整体性价比高,使用成本更低,更为环保。
具体实施方式
下面结合实施例对本发明作进一步的说明。
实施例1
本发明所述的本发明所述的高耐磨高抗事故性二中间辊,按重量份数计,它包括以下组份,
(1)C 13份,
(2)Si 4份,
(3)Mn 3份,
(4)Cr 105份,
(5)Mo 9份,
(6)V 8份,
(7)Co 4份,
(8)硅铜母粒耐磨剂 2份,
(9)P 0.22份,
(10)S 0.24份,
(11)Fe和不可避免的杂质 940份,
其制备方法,它包括以下步骤,
(1)按照化学组份及重量份数进行精炼、浇注成锭、电渣重熔、锻打成型制得粗坯,
(2)对粗坯进行锻造和球化退火处理制得钢坯,
(3)对钢坯进行粗车和调制处理,
(4)对钢坯进行淬火热处理,
(5)对钢坯进行回火处理,
(6)精加工,
(7)超声表面波检测。
进一步地,步骤(1)中,锻打成型为反复镦粗和拔长的过程,每次镦粗和拔长的锻造比均为6.6。
进一步地,步骤(3)中的调质处理为将钢坯升温至955℃后保温3.5h。
进一步地,步骤(4)中的淬火热处理的温度为964℃。
进一步地,步骤(5)中的回火处理的回火温度为520℃,保温时间为27h。
实施例2
本发明所述的本发明所述的高耐磨高抗事故性二中间辊,按重量份数计,它包括以下组份,
(1)C 14份,
(2)Si 5份,
(3)Mn 4份,
(4)Cr 108份,
(5)Mo 11份,
(6)V 9份,
(7)Co 3.5份,
(8)硅铜母粒耐磨剂 2.3份,
(9)P 0.25份,
(10)S 0.26份,
(11)Fe和不可避免的杂质 990份,
其制备方法,它包括以下步骤,
(1)按照化学组份及重量份数进行精炼、浇注成锭、电渣重熔、锻打成型制得粗坯,
(2)对粗坯进行锻造和球化退火处理制得钢坯,
(3)对钢坯进行粗车和调制处理,
(4)对钢坯进行淬火热处理,
(5)对钢坯进行回火处理,
(6)精加工,
(7)超声表面波检测。
进一步地,步骤(1)中,锻打成型为反复镦粗和拔长的过程,每次镦粗和拔长的锻造比均为6.7。
进一步地,步骤(3)中的调质处理为将钢坯升温至965℃后保温3.5h。
进一步地,步骤(4)中的淬火热处理的温度为968℃。
进一步地,步骤(5)中的回火处理的回火温度为540℃,保温时间为30h。
本发明采用改良材质,并且通过工艺优化,获得高硬度、高耐磨二中间辊,以达到轧辊长久服役和抗事故性,整体硬度可达80-83HSD,整体硬度均匀性≤1HSD,抗事故性能较传统轧辊提高1.5倍以上,整体性价比高,使用成本更低,更为环保。
本发明提供了一种思路及方法,具体实现该技术方案的方法和途径很多,以上所述仅是本发明的优选实施方式,应当指出,对于本技术领域的普通技术人员来说,在不脱离本发明原理的前提下,还可以做出若干改进和润饰,这些改进和润饰也应视为本发明的保护范围,本实施例中未明确的各组成部分均可用现有技术加以实现。

Claims (5)

1.高耐磨高抗事故性二中间辊,其特征在于:按重量份数计,它包括以下组份,
(1)C 12-15份,
(2)Si 2-6份,
(3)Mn 2-5份,
(4)Cr 100-110份,
(5)Mo 8-12份,
(6)V 7-10份,
(7)Co 3-5份,
(8)硅铜母粒耐磨剂 1-3份,
(9)P 0.2-0.3份,
(10)S 0.2-0.3份,
(11)Fe和不可避免的杂质 800-1000份,
其制备方法,它包括以下步骤,
(1)按照化学组份及重量份数进行精炼、浇注成锭、电渣重熔、锻打成型制得粗坯,
(2)对粗坯进行锻造和球化退火处理制得钢坯,
(3)对钢坯进行粗车和调制处理,
(4)对钢坯进行淬火热处理,
(5)对钢坯进行回火处理,
(6)精加工,
(7)超声表面波检测。
2.根据权利要求1所述的高耐磨高抗事故性二中间辊,其特征在于:步骤(1)中,锻打成型为反复镦粗和拔长的过程,每次镦粗和拔长的锻造比均为6.5-6.8。
3.根据权利要求1所述的高耐磨高抗事故性二中间辊,其特征在于:步骤(3)中的调质处理为将钢坯升温至950-970℃后保温3.5h。
4.根据权利要求1所述的高耐磨高抗事故性二中间辊,其特征在于:步骤(4)中的淬火热处理的温度为960-970℃。
5.根据权利要求1所述的高耐磨高抗事故性二中间辊,其特征在于:步骤(5)中的回火处理的回火温度为500-550℃,保温时间为25-32h。
CN202010853218.7A 2020-08-23 2020-08-23 高耐磨高抗事故性二中间辊 Pending CN112111692A (zh)

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Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103753116A (zh) * 2013-10-31 2014-04-30 宜兴市鑫源辊业有限公司 森吉米尔轧机工作辊的制造方法

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103753116A (zh) * 2013-10-31 2014-04-30 宜兴市鑫源辊业有限公司 森吉米尔轧机工作辊的制造方法

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Application publication date: 20201222

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