BR112021025011A2 - Método de tratamento térmico de aço de alta resistência e produto obtido a partir do mesmo - Google Patents

Método de tratamento térmico de aço de alta resistência e produto obtido a partir do mesmo

Info

Publication number
BR112021025011A2
BR112021025011A2 BR112021025011A BR112021025011A BR112021025011A2 BR 112021025011 A2 BR112021025011 A2 BR 112021025011A2 BR 112021025011 A BR112021025011 A BR 112021025011A BR 112021025011 A BR112021025011 A BR 112021025011A BR 112021025011 A2 BR112021025011 A2 BR 112021025011A2
Authority
BR
Brazil
Prior art keywords
strength steel
less
product obtained
heat treatment
obtained therefrom
Prior art date
Application number
BR112021025011A
Other languages
English (en)
Inventor
Dapeng Yang
Hongliang Yi
Xiaochuan Xiong
Zhaoyuan Liu
Zhiyuan Chang
Original Assignee
Ironovation Materials Tech Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Ironovation Materials Tech Co Ltd filed Critical Ironovation Materials Tech Co Ltd
Publication of BR112021025011A2 publication Critical patent/BR112021025011A2/pt

Links

Classifications

    • 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
    • C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
    • C21D1/18—Hardening; Quenching with or without subsequent tempering
    • 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
    • C21D1/18—Hardening; Quenching with or without subsequent tempering
    • C21D1/19—Hardening; Quenching with or without subsequent tempering by interrupted quenching
    • 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
    • C21D1/28—Normalising
    • 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
    • C21D1/78—Combined heat-treatments not provided for above
    • 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
    • C21D6/002—Heat treatment of ferrous alloys containing Cr
    • 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
    • C21D6/00—Heat treatment of ferrous alloys
    • C21D6/02—Hardening by precipitation
    • 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
    • C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
    • C21D9/0075—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for rods of limited length
    • 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
    • C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
    • C21D9/02—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for springs
    • 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
    • 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
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/22—Ferrous alloys, e.g. steel alloys containing chromium with molybdenum or tungsten
    • 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
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/24—Ferrous alloys, e.g. steel alloys containing chromium with vanadium
    • 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
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/26—Ferrous alloys, e.g. steel alloys containing chromium with niobium or tantalum
    • 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
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/28—Ferrous alloys, e.g. steel alloys containing chromium with titanium or zirconium
    • 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
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/38—Ferrous alloys, e.g. steel alloys containing chromium with more than 1.5% by weight of 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
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/44—Ferrous alloys, e.g. steel alloys containing chromium with nickel with molybdenum or tungsten
    • 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
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/46—Ferrous alloys, e.g. steel alloys containing chromium with nickel with vanadium
    • 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
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/48—Ferrous alloys, e.g. steel alloys containing chromium with nickel with niobium or tantalum
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F1/00—Springs
    • F16F1/02—Springs made of steel or other material having low internal friction; Wound, torsion, leaf, cup, ring or the like springs, the material of the spring not being relevant
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F1/00—Springs
    • F16F1/02—Springs made of steel or other material having low internal friction; Wound, torsion, leaf, cup, ring or the like springs, the material of the spring not being relevant
    • F16F1/021—Springs made of steel or other material having low internal friction; Wound, torsion, leaf, cup, ring or the like springs, the material of the spring not being relevant characterised by their composition, e.g. comprising materials providing for particular spring properties
    • 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
    • C21D2211/00—Microstructure comprising significant phases
    • C21D2211/001—Austenite
    • 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
    • C21D2211/00—Microstructure comprising significant phases
    • C21D2211/004—Dispersions; Precipitations
    • 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
    • C21D2211/00—Microstructure comprising significant phases
    • C21D2211/008—Martensite

Landscapes

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

Abstract

método de tratamento térmico de aço de alta resistência e produto obtido a partir do mesmo. a presente invenção descreve um método de tratamento térmico de aço de alta resistência, no qual o aço de alta resistência compreende, em peso: 0,30-0,45% de c, 1,0% ou menos de si, 0,20-2,5% de mn, 0,20-2,0% de cr, 0,15-0,50% de mo, 0,10-0,40% de v, 0,2% ou menos de ti, 0,2% ou menos de nb, e um equilíbrio de fe e outros elementos de liga e impurezas, em que os elementos de liga acima fazem eq(mn) de acordo com a fórmula seguinte (1) não menos que 1,82, qual método compreende as etapas de 1) austenitização; 2) precipitação de carboneto; e 3) revenimento. o aço tratado com calor de acordo com a presente invenção tem alta resistência, alta ductilidade e alta rigidez ao mesmo tempo, especialmente a redução melhorada na área de amostra de tração, de modo que é particularmente adequado para preparar membros de mola para suspensão de veículos.
BR112021025011A 2019-06-10 2019-10-18 Método de tratamento térmico de aço de alta resistência e produto obtido a partir do mesmo BR112021025011A2 (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201910496707.9A CN112063816B (zh) 2019-06-10 2019-06-10 一种高强度钢的热处理方法和由此获得的产品
PCT/CN2019/111796 WO2020248459A1 (zh) 2019-06-10 2019-10-18 一种高强度钢的热处理方法和由此获得的产品

Publications (1)

Publication Number Publication Date
BR112021025011A2 true BR112021025011A2 (pt) 2022-01-25

Family

ID=73658214

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112021025011A BR112021025011A2 (pt) 2019-06-10 2019-10-18 Método de tratamento térmico de aço de alta resistência e produto obtido a partir do mesmo

Country Status (8)

Country Link
US (1) US20220251673A1 (pt)
EP (1) EP3981894A4 (pt)
JP (1) JP7190216B2 (pt)
CN (1) CN112063816B (pt)
AU (1) AU2019450666A1 (pt)
BR (1) BR112021025011A2 (pt)
CA (1) CA3142958A1 (pt)
WO (1) WO2020248459A1 (pt)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113322365B (zh) * 2021-05-19 2022-05-20 北京理工大学 一种同时提高低碳低合金钢强度和塑性的方法
CN113699448B (zh) * 2021-08-27 2022-06-10 中冶陕压重工设备有限公司 一种低合金结构钢SY41CrMnMoNbVTi及其制备方法
CN114395729B (zh) * 2021-12-13 2023-09-01 唐山中厚板材有限公司 Nm450级无需淬火热处理的耐磨钢板及其生产方法
CN114457212B (zh) * 2021-12-28 2023-07-25 河钢股份有限公司 一种高温轴承钢碳化物细质弥散处理工艺
CN116288061B (zh) * 2023-03-14 2024-07-02 钢研晟华科技股份有限公司 一种1000MPa级超高强度耐蚀钢筋及其制备方法
CN116445820B (zh) * 2023-04-23 2024-09-27 常熟理工学院 一种铌钒钛复合微合金化汽车用热成型钢及其制备方法
CN118639131A (zh) * 2024-08-15 2024-09-13 鞍钢股份有限公司 一种高钒含量的抗氢致开裂容器钢板及其制备方法

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0379716A (ja) * 1989-08-23 1991-04-04 Kawasaki Steel Corp 溶接性の良好な低降伏比高張力鋼の製造方法
JP3587115B2 (ja) * 2000-01-24 2004-11-10 Ｊｆｅスチール株式会社 成形性に優れた高張力溶融亜鉛めっき鋼板の製造方法
EP1325966B1 (en) * 2000-09-12 2009-04-01 JFE Steel Corporation Super-high strength cold-rolled steel sheet and method for production thereof
CN101144114A (zh) * 2007-11-01 2008-03-19 贵州红林机械有限公司 一种能提高高温合金弹簧抗高温松弛能力的热处理方法
CN101532076A (zh) * 2009-03-31 2009-09-16 宁波通达精密铸造有限公司 热处理调质方法
JP5764383B2 (ja) * 2011-05-12 2015-08-19 Ｊｆｅ条鋼株式会社 車両懸架用ばね部品用鋼、車両懸架用ばね部品およびその製造方法
JP5760972B2 (ja) * 2011-11-10 2015-08-12 新日鐵住金株式会社 耐遅れ破壊特性に優れた高強度ボルト鋼および高強度ボルト
CN102925812B (zh) * 2012-11-16 2014-03-26 武汉钢铁(集团)公司 一种汽车用热轧膜片弹簧钢及其生产方法
MX2018001142A (es) * 2015-07-27 2018-04-20 Nippon Steel & Sumitomo Metal Corp Acero para muelle de suspension y metodo para fabricar el mismo.
CN105112774B (zh) * 2015-08-28 2017-12-01 浙江美力科技股份有限公司 高强韧性低中碳微合金风冷硬化弹簧钢及其成形和热处理工艺
KR101797316B1 (ko) * 2015-12-21 2017-11-14 주식회사 포스코 고강도 및 우수한 내구성을 가지는 자동차용 부품 및 그 제조방법
CN106399837B (zh) * 2016-07-08 2018-03-13 东北大学 热冲压成形用钢材、热冲压成形工艺及热冲压成形构件
KR20180074008A (ko) 2016-12-23 2018-07-03 주식회사 포스코 수소취성 저항성이 우수한 고강도 스프링용 강재 및 그 제조방법
CN108374127A (zh) * 2018-04-28 2018-08-07 育材堂（苏州）材料科技有限公司 热冲压成形用钢材、热冲压成形工艺及热冲压成形构件
CN109234627B (zh) * 2018-10-17 2020-12-18 南京钢铁股份有限公司 一种高强高韧性非调质圆钢及制备方法

Also Published As

Publication number Publication date
JP7190216B2 (ja) 2022-12-15
EP3981894A1 (en) 2022-04-13
AU2019450666A1 (en) 2022-01-06
CN112063816A (zh) 2020-12-11
JP2022528583A (ja) 2022-06-14
CN112063816B (zh) 2021-11-19
KR20220019264A (ko) 2022-02-16
US20220251673A1 (en) 2022-08-11
CA3142958A1 (en) 2020-12-17
WO2020248459A1 (zh) 2020-12-17
EP3981894A4 (en) 2022-11-23

Similar Documents

Publication Publication Date Title
BR112021025011A2 (pt) Método de tratamento térmico de aço de alta resistência e produto obtido a partir do mesmo
Panneerselvam et al. An investigation on the stability of austenite in Austempered Ductile Cast Iron (ADI)
CA3005378C (en) Engineering steel with a bainitic structure, forged parts produced therefrom and method for producing a forged part
US20150299831A1 (en) Precipitation strengthening type martensitic steel and process for producing same
MX2014002896A (es) Acero al cromo con bajo contenido de carbono, reducido en vanadio y alta resistencia a la corrosion, y metodos de fabricacion.
JP6223124B2 (ja) 高強度複相組織ステンレス鋼板およびその製造法
Putatunda et al. Influence of austempering temperature on the mechanical properties of a low carbon low alloy steel
JPH01283322A (ja) 耐食性に優れた高強度油井管の製造方法
JPH02236257A (ja) 高強度かつ耐食性、耐応力腐食割れ性の優れたマルテンサイト系ステンレス鋼およびその製造方法
ATE442464T1 (de) Hochfester luftgekühlter stahl und daraus resultiertes warmverformte produkt.
KR960005230B1 (ko) 고강도 고인성 스프링용강의 제조방법
JP2015025162A (ja) フェライト・パーライト型非調質鋼
DE60300561D1 (de) Verfahren zur Herstellung eines warmgewalzten Stahlbandes
MX2020012411A (es) Producto plano de acero y procedimiento para su fabricacion.
SE449229B (sv) Olegerade eller laglegerade bainitherdbara stallegeringar och sett att framstella dylika
CA2026307A1 (en) Process for improving the cold formability of heat-treatable steels
JP7475374B2 (ja) 伸線加工性及び衝撃靭性に優れた非調質線材及びその製造方法
JP2018024909A (ja) 冷間加工用機械構造用鋼およびその製造方法
BR112023003128A2 (pt) Aço para forjar peças mecânicas, método de produção de peças mecânicas forjadas de aço, uso de uma chapa de aço e veículo
JPS55107727A (en) Production of tough bar steel material of less anisotropy
Gonzalez-Baquet et al. Microalloying and a New Post Foring Treatment of Medium Carbon Steels
SE515624C2 (sv) Lufthärdande låg- till mediumkolhaltigt stål för förbättrad värmebehandling
Seo et al. Quenching and partitioning (Q&P) processing of AISI 420 stainless steel
Bolanowski EffEct of hEat trEatmEnt on mEchanIcal propErtIEs and mIcrostructurE morphology of low-alloy hIgh-strEngth stEEl
JP2016050322A (ja) 非調質鋼

Legal Events

Date Code Title Description
B06W Patent application suspended after preliminary examination (for patents with searches from other patent authorities) chapter 6.23 patent gazette]
B09A Decision: intention to grant [chapter 9.1 patent gazette]