CN100513622C - 钢 - Google Patents

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Publication number
CN100513622C
CN100513622C CNB2004800396361A CN200480039636A CN100513622C CN 100513622 C CN100513622 C CN 100513622C CN B2004800396361 A CNB2004800396361 A CN B2004800396361A CN 200480039636 A CN200480039636 A CN 200480039636A CN 100513622 C CN100513622 C CN 100513622C
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mass
manganese
nickel
phosphorus
molybdenum
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CN1926257A (zh
Inventor
谢尔盖·弗拉基米罗维奇·戈洛温
谢尔盖·弗拉基米罗维奇·戈什卡德拉
阿历克谢·弗拉基米罗维奇·杜布
弗拉基米尔·谢苗诺维奇·杜布
亚历山大·谢尔盖耶维奇·洛博达
谢尔盖·伊万诺维奇·马尔科夫
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Zakrytoe Aktsionernde Obschest
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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
    • C22C38/02Ferrous 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
    • C22C38/60Ferrous alloys, e.g. steel alloys containing lead, selenium, tellurium, or antimony, or more than 0.04% by weight of sulfur
    • 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
    • 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

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Heat Treatment Of Steel (AREA)
  • Treatment Of Steel In Its Molten State (AREA)
  • Lubricants (AREA)
  • Earth Drilling (AREA)
  • Compositions Of Oxide Ceramics (AREA)
  • Devices For Conveying Motion By Means Of Endless Flexible Members (AREA)
  • Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)
  • Rigid Pipes And Flexible Pipes (AREA)
  • Materials For Medical Uses (AREA)

Abstract

本发明涉及冶金工业,具体涉及具有低温高延性、良好焊接性、耐脆性、耐蚀性、高温耐热性的钢。这种钢可以用于制造输油管道、天然气管道、产品管道、海上平台、焊接结构和高压操作容器,以及在-100℃至450℃的温度下操作的各种设备及其部件。本发明的钢含有碳、锰、硅、铬、镍、钒、铌、钛、铝、钙、硫、磷、氮、铜、锑、锡、砷和铁,其特征在于还含有钼,各成分组成的重量百分比如下:碳0.02-0.11,锰0.10-1.8,硅0.06-0.6,铬0.005-0.30,镍0.005-1.0,钒0.01-0.12,铌0.02-0.10,钛0.01-0.04,铝0.01-0.05,钙0.0005-0.008,硫0.0005-0.008,磷0.001-0.012,氮0.001-0.012,铜0.005-0.25,锑0.0001-0.005,锡0.0001-0.007,砷0.0001-0.008,钼0.0001-0.5,余量为铁,其中,以重量百分比计,镍和锰的总含量与钼和磷的含量的关系满足如下等式:((Ni+Mn)/(1+Mo))·P<0.03。

Description

技术领域
本发明涉及冶金工业,具体涉及具有低温高延性、良好焊接性、耐脆性、耐蚀性、高温耐热性的钢。这种钢可以用于制造输油管道、天然气管道、产品管道、海上平台、焊接结构和高压操作容器,以及在-100℃至450℃的温度下操作的各种设备及其部件。
背景技术
公知钢的重量百分比组成如下:
碳0.03-0.11
锰0.90-1.80
硅0.06-0.60
铬0.005-0.30
镍0.005-0.30
钒0.02-0.12
铌0.03-0.10
钛0.010-0.040
铝0.010-0.055
钙0.001-0.005
硫0.0005-0.008
磷0.0005-0.010
氮0.001-0.012
铜0.005-0.25
锑0.001-0.005
锡0.001-0.007
砷0.001-0.008
余量为铁
(俄罗斯联邦专利No.2141002,公布于1999年11月10日)。
该钢具有制造在-100℃至450℃的温度下操作的输油管道、天然气管道、产品管道、海上平台和其它焊接结构所需的全部性质。但是用超过20毫米厚的钢板制造上述的和其它产品时,这种钢没有足够的强度性质。通过高合金成分含量而增加淬硬特性的方法可消除该缺陷,但是这种钢显示出脆性。
发明内容
本发明的任务是改善钢的强度性质。本发明的效果如下:不超过50毫米厚度的钢板和钢坯具有下述性质:屈服应力高于550N/mm2,极限破坏强度高于620N/mm2,在低至-100℃的温度下保持高延性,在制造和操作过程中具有耐脆性,在工厂和露天环境下具有良好焊接性。
从技术角度,所需效果可以实现是由于该钢以下述成分比例(重量%)含有碳、锰、硅、铬、镍、钒、铌、钛、铝、钙、硫、磷、氮、铜、锑、锡、砷、铁并进一步含有钼:
碳0.02-0.11
锰0.10-1.8
硅0.06-0.6
铬0.005-0.30
镍0.005-1.0
钒0.01-0.12
铌0.02-0.10
钛0.01-0.04
铝0.01-0.05
钙0.0005-0.008
硫0.0005-0.008
磷0.001-0.012
氮0.001-0.012
铜0.005-0.25
锑0.0001-0.005
锡0.0001-0.007
砷0.0001-0.008
钼0.0001-0.5
余量为铁
其中,镍和锰的总含量与钼和磷的含量(重量%)的关系满足如下等式:
Ni + Mn 1 + Mo &CenterDot; P < 0.03
由所列举的成分含量支持的这种钢中的所述镍、锰、钼和磷的限制为不超过50毫米厚度的钢板提供了改善的淬硬特性、低温(低至-100℃)下的高强度值和延性,同时消除了由该钢板制得的产品的制造和使用过程中的脆化。
具体实施方式
表1示出了本发明的三炉次钢的化学组成,以公知钢的组成作为对比。选择组成以评估钼和镍对钢板强度的贡献。
所有炉次在真空感应炉中进行。炉料由阿姆克铁与根据不同的组成而定的镍、铁钼合金、铜和其他炉料组成。当炉中达到所需真空时,炉料开始熔化。完全熔化后,金属加热至1630-1650℃,进行炉料除气,在熔池中加入所需预定量的锰、铁钒合金和铌铁合金,然后加入脱氧剂(铁硅合金、铝和铁钛合金)。
当钢水温度达到所需水平(1560-1580℃)后,已除气金属直接由熔炼炉缸流入铸模。模制钢锭在铸模中常压下(而不是真空)冷却。
在真空感应炉中一共进行12炉次试验熔炼。分析所有炉次的金属化学组成,在其结果的基础上,选出3炉次,当量碳含量为0.37。
当量碳含量按照下式确定:
C eq = C + Mn 6 + Cr + No + Nb + V + Ti 5 + Ni + Cu 15
表2示出了这些炉次的性质,以具有公知组成的炉次作为对比(其当量碳含量为0.37)。获得的结果表明,具有上述组成的新的钢种具有50mm横截面所需的强度性质,以及低温下的高延性。炉次1、2、3的镍和锰的总含量与钼和磷浓度之比分别为0.01、0.0057和0.0064(即,小于0.03)。
表1 三炉次钢的化学组成与公知钢的组成对比
Figure C200480039636D00071
表2  表1各炉次钢的性质

Claims (1)

1.一种钢,含有碳、锰、硅、铬、镍、钒、铌、钛、铝、钙、硫、磷、氮、铜、锑、锡、砷和铁,其特征在于还含有钼,各成分组成的重量百分比如下:
碳 0.02-0.11
锰 0.10-1.8
硅 0.06-0.6
铬 0.005-0.30
镍 0.005-1.0
钒 0.01-0.12
铌 0.02-0.10
钛 0.01-0.04
铝 0.01-0.05
钙 0.0005-0.008
硫 0.0005-0.008
磷 0.001-0.012
氮 0.001-0.012
铜 0.005-0.25
锑 0.0001-0.005
锡 0.0001-0.007
砷 0.0001-0.008
钼 0.0001-0.5
余量为铁
其中,以重量百分比计,镍和锰的总含量与钼和磷的含量的关系满足如下等式:
Ni + Mn 1 + Mo &CenterDot; P < 0.03 .
CNB2004800396361A 2003-12-30 2004-08-06 Expired - Fee Related CN100513622C (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
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RU2003137757/02A RU2241780C1 (ru) 2003-12-30 2003-12-30 Сталь

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CN1926257A CN1926257A (zh) 2007-03-07
CN100513622C true CN100513622C (zh) 2009-07-15

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EP (1) EP1705260B1 (zh)
JP (1) JP2007517139A (zh)
KR (1) KR20070008543A (zh)
CN (1) CN100513622C (zh)
AT (1) ATE473310T1 (zh)
DE (1) DE602004028045D1 (zh)
RU (1) RU2241780C1 (zh)
UA (2) UA78268C2 (zh)
WO (1) WO2005064032A1 (zh)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2252972C1 (ru) 2004-06-07 2005-05-27 Закрытое акционерное общество Научно-производственное объединение "ПОЛИМЕТАЛЛ" Труба для нефте-, газо- и продуктопроводов и способ ее производства
CN101538679B (zh) * 2009-04-17 2010-09-29 钢铁研究总院 一种微合金化易焊接增氮钢
CN102206787B (zh) * 2011-04-28 2014-06-11 广东省韶关钢铁集团有限公司 一种单位轧制力低于18kN/mm的低轧制力输气管线钢材及其生产方法
CN102181807B (zh) * 2011-05-09 2012-12-12 武汉钢铁(集团)公司 一种-50℃核电承压设备用钢及生产方法
CN103352179B (zh) * 2013-06-24 2015-12-02 浙江浦宁不锈钢有限公司 一种含碳合金
CN104789885A (zh) * 2015-04-23 2015-07-22 苏州劲元油压机械有限公司 一种耐腐蚀不锈钢输油管及其加工工艺
CN106868422A (zh) * 2015-12-14 2017-06-20 泸州沱江液压件有限公司 一种耐低温耐腐蚀的高强度材料钢
CN107236909B (zh) * 2017-06-16 2019-06-18 武汉钢铁有限公司 可用于-60℃低温环境的高强度、高韧性耐腐蚀钢及其生产方法
CN107626546A (zh) * 2017-09-26 2018-01-26 烟台史密得机电设备制造有限公司 一种静电喷涂淬水冷却装置
CN113817965A (zh) * 2021-09-02 2021-12-21 江苏伟建工具科技有限公司 一种高韧性高速钢及其制备方法

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US4153454A (en) * 1977-08-12 1979-05-08 Kawasaki Steel Corporation Steel materials having an excellent hydrogen induced cracking resistance

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JPS589926A (ja) * 1981-07-09 1983-01-20 Kawasaki Steel Corp 低温靭性にすぐれたapi規格x80級鋼管の製造方法
US5545269A (en) * 1994-12-06 1996-08-13 Exxon Research And Engineering Company Method for producing ultra high strength, secondary hardening steels with superior toughness and weldability
RU2136776C1 (ru) * 1995-02-03 1999-09-10 Ниппон Стил Корпорейшн Высокопрочная сталь для магистральных трубопроводов, имеющая низкий коэффициент текучести и повышенную низкотемпературную вязкость
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Publication number Publication date
UA78268C2 (uk) 2007-03-15
WO2005064032A8 (fr) 2006-11-02
EP1705260B1 (en) 2010-07-07
EP1705260A4 (en) 2008-08-13
ATE473310T1 (de) 2010-07-15
DE602004028045D1 (de) 2010-08-19
EP1705260A1 (en) 2006-09-27
KR20070008543A (ko) 2007-01-17
JP2007517139A (ja) 2007-06-28
UA8385U (en) 2005-08-15
CN1926257A (zh) 2007-03-07
WO2005064032A1 (fr) 2005-07-14
RU2241780C1 (ru) 2004-12-10

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