CN114990436A - 一种微波炉用高硬度冷轧板及其生产方法 - Google Patents

一种微波炉用高硬度冷轧板及其生产方法 Download PDF

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CN114990436A
CN114990436A CN202210575916.4A CN202210575916A CN114990436A CN 114990436 A CN114990436 A CN 114990436A CN 202210575916 A CN202210575916 A CN 202210575916A CN 114990436 A CN114990436 A CN 114990436A
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rolled sheet
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张冷
王晓宇
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Angang Steel Cold Rolled Steel Sheet Putian Co ltd
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    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/02—Ferrous alloys, e.g. steel alloys containing silicon
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING 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
    • C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
    • C21D1/26—Methods of annealing
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING 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
    • C21D6/00—Heat treatment of ferrous alloys
    • C21D6/005—Heat treatment of ferrous alloys containing Mn
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING 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
    • C21D6/00—Heat treatment of ferrous alloys
    • C21D6/008—Heat treatment of ferrous alloys containing Si
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING 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
    • C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
    • C21D8/02—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
    • C21D8/0205—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips of ferrous alloys
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING 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
    • C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
    • C21D8/02—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
    • C21D8/0221—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the working steps
    • C21D8/0226—Hot rolling
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING 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
    • C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
    • C21D8/02—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
    • C21D8/0221—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the working steps
    • C21D8/0236—Cold rolling
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING 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
    • C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
    • C21D8/02—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
    • C21D8/0221—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the working steps
    • C21D8/0242—Flattening; Dressing; Flexing
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING 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
    • C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
    • C21D8/02—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
    • C21D8/0247—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the heat treatment
    • C21D8/0273—Final recrystallisation annealing
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/04—Ferrous alloys, e.g. steel alloys containing manganese
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/06—Ferrous alloys, e.g. steel alloys containing aluminium

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
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  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Heat Treatment Of Sheet Steel (AREA)

Abstract

一种微波炉用高硬度冷轧板及其生产方法，钢中化学成分按重量百分比计含有：C0.04％～0.06％、Si≤0.034％、Mn 0.12％～0.24％、P≤0.02％、S≤0.013％、Als0.01％～0.05％，其余为Fe及不可避免的杂质。所述微波炉用高硬度冷轧板硬度HV为115～125。本发明通过控制钢的化学成分、热轧、冷轧、连续退火及平整工艺参数，使微波炉用冷轧板的硬度HV达到115～125，提高了钢板抗凹陷性，完全能够满足用户需求，提高了产品质量和成品率，增加了企业效益。

Description

一种微波炉用高硬度冷轧板及其生产方法
技术领域
本发明属于冷轧技术领域，尤其涉及一种微波炉用高硬度冷轧板及其生产方法。
背景技术
随着国内外钢材市场的竞争日趋激烈，市场利益空间已越来越来小，成本压力越来越大。微波炉用冷轧钢板主要用于以格兰仕、美的等厂家为代表的家电行业，相比其他冷轧品种有较高附加值，是钢铁公司主要的盈利品种。但用户在使用过程中普遍反映微波炉用冷轧板硬度偏低(HV为90以下，而用户要求HV为110以上)、抗凹陷性差，严重影响用户的使用，因此迫切要求加以改进。
发明内容
本发明提供了一种微波炉用高硬度冷轧板及其生产方法，提高微波炉用钢板的硬度，使之符合产品要求。
为了达到上述目的，本发明采用以下技术方案实现：
一种微波炉用高硬度冷轧板，钢中化学成分按重量百分比计含有：C 0.04％～0.06％、Si≤0.034％、Mn 0.12％～0.24％、P≤0.02％、S≤0.013％、Als0.01％～0.05％，其余为Fe及不可避免的杂质。
所述微波炉用高硬度冷轧板硬度HV为115～125。
一种微波炉用高硬度冷轧板的生产方法，包括钢水冶炼、连铸、热轧、冷轧、连续退火、平整工艺过程；
1)热轧工艺参数：
加热温度：1200～1240℃；终轧温度：860～900℃；卷曲温度：660～700℃；
2)冷轧压下率：
成品厚度0.36～0.45mm时，压下率82％～85.6％；
成品厚度0.46～0.55mm时，压下率80％～83.27％；
3)连续退火工艺参数：
加热段温度为755～765℃，均热段温度为770～780℃，缓冷段出口温度为630～640℃，快冷段出口温度为430～440℃；
4)平整工艺参数：
平整延伸率：0.6％-0.7％。
与现有技术相比，本发明的有益效果是：
本发明通过控制钢的化学成分、热轧、冷轧、连续退火及平整工艺参数，使微波炉用冷轧板的硬度HV达到115～125，提高了钢板抗凹陷性，完全能够满足用户需求，提高了产品质量和成品率，增加了企业效益。
具体实施方式
下面结合实施例对本发明的具体实施方式作进一步说明：
一种微波炉用高硬度冷轧板，钢中化学成分按重量百分比计含有：C 0.04％～0.06％、Si≤0.034％、Mn 0.12％～0.24％、P≤0.02％、S≤0.013％、Als0.01％～0.05％，其余为Fe及不可避免的杂质。
所述微波炉用高硬度冷轧板硬度HV为115～125。
一种微波炉用高硬度冷轧板的生产方法，包括钢水冶炼、连铸、热轧、冷轧、连续退火、平整工艺过程；
1)热轧工艺参数：
加热温度：1200～1240℃；终轧温度：860～900℃；卷曲温度：660～700℃；
2)冷轧压下率：
成品厚度0.36～0.45mm时，压下率82％～85.6％；
成品厚度0.46～0.55mm时，压下率80％～83.27％；
3)连续退火工艺参数：
加热段温度为755～765℃，均热段温度为770～780℃，缓冷段出口温度为630～640℃，快冷段出口温度为430～440℃；
4)平整工艺参数：
平整延伸率：0.6％-0.7％。
实施例1-7见表1-表2。
表1本发明实施例钢的成分(wt％)
示例 C Si Mn P S Als
1 0.041 0.028 0.20 0.006 0.002 0.015
2 0.045 0.025 0.19 0.012 0.006 0.032
3 0.048 0.01 0.13 0.011 0.005 0.035
4 0.046 0.005 0.12 0.010 0.004 0.041
5 0.042 0.015 0.14 0.008 0.003 0.030
6 0.055 0.018 0.15 0.009 0.005 0.033
7 0.059 0.023 0.21 0.004 0.007 0.045
注：余量为铁及不可避免杂质。
表2本发明产品的制造工艺参数
Figure BDA0003662137000000031
经检测，实施例1-7的产品钢板硬度HV均能达到115～125。

Claims (3)

1.一种微波炉用高硬度冷轧板，其特征在于，钢中化学成分按重量百分比计含有：C0.04％～0.06％、Si≤0.034％、Mn 0.12％～0.24％、P≤0.02％、S≤0.013％、Als0.01％～0.05％，其余为Fe及不可避免的杂质。
2.根据权利要求1所述的微波炉用高硬度冷轧板，其特征在于，所述微波炉用高硬度冷轧板硬度HV为115～125。
3.一种如权利要求1或2所述的微波炉用高硬度冷轧板的生产方法，包括钢水冶炼、连铸、热轧、冷轧、连续退火、平整工艺过程；其特征在于：
1)热轧工艺参数：
加热温度：1200～1240℃；终轧温度：860～900℃；卷曲温度：660～700℃；
2)冷轧压下率：
成品厚度0.36～0.45mm时，压下率82％～85.6％；
成品厚度0.46～0.55mm时，压下率80％～83.27％；
3)连续退火工艺参数：
加热段温度为755～765℃，均热段温度为770～780℃，缓冷段出口温度为630～640℃，快冷段出口温度为430～440℃；
4)平整工艺参数：
平整延伸率：0.6％-0.7％。
CN202210575916.4A 2022-05-25 2022-05-25 一种微波炉用高硬度冷轧板及其生产方法 Pending CN114990436A (zh)

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Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04323321A (ja) * 1991-04-19 1992-11-12 Kawasaki Steel Corp 打抜加工性の優れた無方向性電磁鋼板の製造方法
JPH08120341A (ja) * 1994-10-24 1996-05-14 Nippon Steel Corp 耐デント性、疲労特性、耐面歪み性および加工性に著しく優れた冷延鋼板の製造方法
JP2006307281A (ja) * 2005-04-28 2006-11-09 Jfe Steel Kk 打抜き後の平坦度に優れる冷間圧延ままの薄鋼板およびその製造方法
CN101147921A (zh) * 2007-11-07 2008-03-26 攀钢集团攀枝花钢铁研究院 一种连退工艺生产冷轧硬质钢板的制造方法
CN101597674A (zh) * 2009-07-03 2009-12-09 首钢总公司 一种低屈服高抗拉强度dc01汽车用钢板的连续退火方法
CN105074039A (zh) * 2013-04-02 2015-11-18 杰富意钢铁株式会社 冷轧钢板及其制造方法
CN107365941A (zh) * 2016-05-12 2017-11-21 鞍钢股份有限公司 一种50钢冷硬卷的生产方法
US20190368008A1 (en) * 2017-02-23 2019-12-05 Furukawa Electric Co., Ltd. Aluminum alloy material, and fastening component, structural component, spring component, conductive member and battery member including the aluminum alloy material
US20200071799A1 (en) * 2017-02-20 2020-03-05 Nippon Steel Corporation Steel sheet and method for producing same

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04323321A (ja) * 1991-04-19 1992-11-12 Kawasaki Steel Corp 打抜加工性の優れた無方向性電磁鋼板の製造方法
JPH08120341A (ja) * 1994-10-24 1996-05-14 Nippon Steel Corp 耐デント性、疲労特性、耐面歪み性および加工性に著しく優れた冷延鋼板の製造方法
JP2006307281A (ja) * 2005-04-28 2006-11-09 Jfe Steel Kk 打抜き後の平坦度に優れる冷間圧延ままの薄鋼板およびその製造方法
CN101147921A (zh) * 2007-11-07 2008-03-26 攀钢集团攀枝花钢铁研究院 一种连退工艺生产冷轧硬质钢板的制造方法
CN101597674A (zh) * 2009-07-03 2009-12-09 首钢总公司 一种低屈服高抗拉强度dc01汽车用钢板的连续退火方法
CN105074039A (zh) * 2013-04-02 2015-11-18 杰富意钢铁株式会社 冷轧钢板及其制造方法
CN107365941A (zh) * 2016-05-12 2017-11-21 鞍钢股份有限公司 一种50钢冷硬卷的生产方法
US20200071799A1 (en) * 2017-02-20 2020-03-05 Nippon Steel Corporation Steel sheet and method for producing same
US20190368008A1 (en) * 2017-02-23 2019-12-05 Furukawa Electric Co., Ltd. Aluminum alloy material, and fastening component, structural component, spring component, conductive member and battery member including the aluminum alloy material

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