CN104033666A - 耐热异形钢管 - Google Patents

耐热异形钢管 Download PDF

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CN104033666A
CN104033666A CN201410307327.3A CN201410307327A CN104033666A CN 104033666 A CN104033666 A CN 104033666A CN 201410307327 A CN201410307327 A CN 201410307327A CN 104033666 A CN104033666 A CN 104033666A
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heat
steel pipe
resisting
content
shaped steel
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许亚明
常盛成
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Accurate Tubulation Of Zhangjiagang China Journey Locomotive Co Ltd
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Accurate Tubulation Of Zhangjiagang China Journey Locomotive Co Ltd
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16LPIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L9/00Rigid pipes
    • F16L9/02Rigid pipes of metal
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/001Ferrous alloys, e.g. steel alloys containing N
    • CCHEMISTRY; METALLURGY
    • 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
    • C22C38/02Ferrous 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
    • C22C38/06Ferrous alloys, e.g. steel alloys containing aluminium
    • 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
    • C22C38/42Ferrous alloys, e.g. steel alloys containing chromium with nickel with copper
    • 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
    • C22C38/46Ferrous alloys, e.g. steel alloys containing chromium with nickel 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
    • C22C38/40Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/50Ferrous alloys, e.g. steel alloys containing chromium with nickel with titanium or zirconium
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16LPIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L9/00Rigid pipes
    • F16L9/006Rigid pipes specially profiled
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16SCONSTRUCTIONAL ELEMENTS IN GENERAL; STRUCTURES BUILT-UP FROM SUCH ELEMENTS, IN GENERAL
    • F16S3/00Elongated members, e.g. profiled members; Assemblies thereof; Gratings or grilles

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • General Engineering & Computer Science (AREA)
  • Rigid Pipes And Flexible Pipes (AREA)

Abstract

本发明涉及异形钢管技术领域,尤其是涉及一种耐热异形钢管,以百分比表示,其化学组成为:碳0.21-0.38%,氮0.5-1%,铬10-15%,硅0.15-0.5%,锰0.2-1%,镍3-9%,磷0.5-1.6%,钨0.5-2%,铼0.1-0.3%,钛0.05-0.6%,钼0-1%,铝0-1%,钒0-1%,铜0-1%,余量为铁及杂质。本发明提供一种耐热异形钢管,通过降低了钢管中镍的含量,使钢管的抗高温性能有了很大的提高,延长了钢管的使用寿命,其耐高温力学性能为:在780℃条件下,抗拉强度大于500MPa,屈服强度大于400MPa。

Description

耐热异形钢管
技术领域
本发明涉及异形钢管技术领域,尤其是涉及一种耐热异形钢管。
背景技术
型钢是钢材四大品种(型、线、板、管)之一,是一种广泛使用的钢材。随着近几年来我国工业化水平的不断提高,我国生产轧制型钢的水平比上世纪已得到大幅度的提升。越来越多的关乎国计民生的型钢如大型H型钢、高铁重轨等逐步实现国产化,甚至有些还达到了国际先进水平。
目前型钢具有的不锈和耐腐蚀性并有许多其他优良的性能,在各工业部门以及生活中,已获得了广泛而大量的应用。但是其抗高温性能适中,以及制造成本高,使其使用寿命下降,造成了大量的浪费,降低了作业率,增加了工人的劳动强度。
发明内容
本发明要解决的技术问题是:为了克服现有技术中异型钢管抗高温性能适中,以及制造成本高,使其使用寿命下降,造成了大量的浪费,降低了作业率,增加了工人的劳动强度的问题,提供一种耐热异形钢管,通过降低了钢管中镍的含量,使钢管的抗高温性能有了很大的提高,延长了钢管的使用寿命,其耐高温力学性能为:在780℃条件下,抗拉强度大于500Mpa,屈服强度大于400Mpa。
本发明解决其技术问题所采用的技术方案是:一种耐热异形钢管,其特征在于:以百分比表示,其化学组成为
碳 0.21-0.38%
氮 0.5-1%
铬 10-15%
硅 0.15-0.5%
锰 0.2-1%
镍 3-9%
磷 0.5-1.6%
钨 0.5-2%
铼 0.1-0.3%
钛 0.05-0.6%
钼 0-1%
铝 0-1%
钒 0-1%
铜 0-1%
余量为铁及杂质。
作为优选,所述钼含量为0.1-0.5%。
作为优选,所述铝含量为0.05-0.2%。
作为优选,所述钒含量为0.1-0.5%。
作为优选,所述铜含量为0.5%。
作为优选,所述镍含量为3%。
作为优选,所述钼含量为钛含量的2倍。
作为优选,所述钒含量与铼含量相等。
本发明的有益效果是:本发明提供一种耐热异形钢管,通过降低了钢管中镍的含量,使钢管的抗高温性能有了很大的提高,延长了钢管的使用寿命,其耐高温力学性能为:在780℃条件下,抗拉强度大于500Mpa,屈服强度大于400Mpa。
具体实施方式
下面结合具体实施例,进一步对本发明进行阐述,应理解,引用实施例仅用于说明本发明,而不用于限制本发明的范围。
实施例1
一种耐热异形钢管,其特征在于:以百分比表示,其化学组成为
碳0.21%,氮1%,铬15%,硅0.5%,锰0.2%,镍9%,磷1.6%,钨0.5%,铼0.1%,钛0.05%,钼0.1%,铝0.2%,钒0.1%,铜0.5,余量为铁及杂质。其耐高温力学性能为:在780℃条件下,抗拉强度大于512Mpa,屈服强度大于406Mpa。
实施例2
一种耐热异形钢管,其特征在于:以百分比表示,其化学组成为
碳0.38%,氮0.5%,铬10%,硅0.15%,锰1%,镍3%,磷0.5%,钨2%,铼0.3%,钛-0.6%,钼0.5,铝0.05%,钒0.5%,铜1%,余量为铁及杂质。其耐高温力学性能为:在780℃条件下,抗拉强度大于558Mpa,屈服强度大于446Mpa。
实施例3
一种耐热异形钢管,其特征在于:以百分比表示,其化学组成为
碳0.28%,氮0.6%,铬12%,硅0.4%,锰0.6%,镍6%,磷0.6%,钨1%,铼0.2%,钛0.2%,余量为铁及杂质。其耐高温力学性能为:在780℃条件下,抗拉强度大于522Mpa,屈服强度大于415Mpa。
实施例4
一种耐热异形钢管,其特征在于:以百分比表示,其化学组成为
碳0.24%,氮0.5%,铬11%,硅0.5%,锰0.6%,镍4%,磷0.6%,钨2%,铼0.3%,钛0.6%,铝0.2%,钒0.5%,铜1%,余量为铁及杂质。其耐高温力学性能为:在780℃条件下,抗拉强度大于556Mpa,屈服强度大于439Mpa。
实施例5
一种耐热异形钢管,其特征在于:以百分比表示,其化学组成为
碳0.21%,氮0.7%,铬15%,硅0.5%,锰1%,镍8%,磷0.9%,钨1.6%,铼0.25%,钛0.4%,钼0.37,铝1%,钒0.8%,铜0.5%,余量为铁及杂质。其耐高温力学性能为:在780℃条件下,抗拉强度大于532Mpa,屈服强度大于427Mpa。
以上述依据本发明的理想实施例为启示,通过上述的说明内容,相关工作人员完全可以在不偏离本项发明技术思想的范围内,进行多样的变更以及修改。本项发明的技术性范围并不局限于说明书上的内容,必须要根据权利要求范围来确定其技术性范围。

Claims (8)

1.一种耐热异形钢管,其特征在于:以百分比表示,其化学组成为
碳 0.21-0.38%
氮 0.5-1%
铬 10-15%
硅 0.15-0.5%
锰 0.2-1%
镍 3-9%
磷 0.5-1.6%
钨 0.5-2%
铼 0.1-0.3%
钛 0.05-0.6%
钼 0-1%
铝 0-1%
钒 0-1%
铜 0-1%
余量为铁及杂质。
2.如权利要求1所述的耐热异形钢管,其特征在于:所述钼含量为0.1-0.5%。
3.如权利要求1所述的耐热异形钢管,其特征在于:所述铝含量为0.05-0.2%。
4.如权利要求1所述的耐热异形钢管,其特征在于:所述钒含量为0.1-0.5%。
5.如权利要求1所述的耐热异形钢管,其特征在于:所述铜含量为0.5%。
6.如权利要求1所述的耐热异形钢管,其特征在于:所述镍含量为3%。
7.如权利要求1所述的耐热异形钢管,其特征在于:所述钼含量为钛含量的2倍。
8.如权利要求1所述的耐热异形钢管,其特征在于:所述钒含量与铼含量相等。
CN201410307327.3A 2014-06-30 2014-06-30 耐热异形钢管 Pending CN104033666A (zh)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113583541A (zh) * 2021-08-17 2021-11-02 常州市方正型钢有限公司 一种防锈耐热异型钢及其加工工艺

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60197824A (ja) * 1984-03-16 1985-10-07 Sumitomo Metal Ind Ltd 高靭性2相ステンレス鋼熱延鋼帯の製造方法
CN1139459A (zh) * 1994-11-04 1997-01-01 新日本制铁株式会社 高强度铁素体耐热钢及其制造方法
CN1286317A (zh) * 1999-08-18 2001-03-07 住友金属工业株式会社 高强度低合金耐热钢
CN102230121A (zh) * 2011-06-17 2011-11-02 山西太钢不锈钢股份有限公司 T91耐热钢管坯的精炼方法
CN102330035A (zh) * 2011-10-25 2012-01-25 宝山钢铁股份有限公司 一种耐热钢、耐热钢管及其制造方法
WO2013077363A1 (ja) * 2011-11-22 2013-05-30 新日鐵住金株式会社 フェライト系耐熱鋼及びその製造方法

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60197824A (ja) * 1984-03-16 1985-10-07 Sumitomo Metal Ind Ltd 高靭性2相ステンレス鋼熱延鋼帯の製造方法
CN1139459A (zh) * 1994-11-04 1997-01-01 新日本制铁株式会社 高强度铁素体耐热钢及其制造方法
CN1286317A (zh) * 1999-08-18 2001-03-07 住友金属工业株式会社 高强度低合金耐热钢
CN102230121A (zh) * 2011-06-17 2011-11-02 山西太钢不锈钢股份有限公司 T91耐热钢管坯的精炼方法
CN102330035A (zh) * 2011-10-25 2012-01-25 宝山钢铁股份有限公司 一种耐热钢、耐热钢管及其制造方法
WO2013077363A1 (ja) * 2011-11-22 2013-05-30 新日鐵住金株式会社 フェライト系耐熱鋼及びその製造方法

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113583541A (zh) * 2021-08-17 2021-11-02 常州市方正型钢有限公司 一种防锈耐热异型钢及其加工工艺

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Application publication date: 20140910