WO2015120832A1 - Titanfreie legierung - Google Patents
Titanfreie legierung Download PDFInfo
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- WO2015120832A1 WO2015120832A1 PCT/DE2015/000053 DE2015000053W WO2015120832A1 WO 2015120832 A1 WO2015120832 A1 WO 2015120832A1 DE 2015000053 W DE2015000053 W DE 2015000053W WO 2015120832 A1 WO2015120832 A1 WO 2015120832A1
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- 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
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- C21D9/52—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for wires; for strips ; for rods of unlimited length
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- 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
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- C21D1/26—Methods of annealing
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- C21D6/00—Heat treatment of ferrous alloys
- C21D6/004—Heat treatment of ferrous alloys containing Cr and Ni
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- C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
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- C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
- C21D8/005—Modifying the physical properties by deformation combined with, or followed by, heat treatment of ferrous alloys
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- 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
- C21D8/021—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips involving a particular fabrication or treatment of ingot or slab
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- 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
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- 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
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- 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
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- 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
- C21D8/0263—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the heat treatment following hot rolling
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- 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
- C21D8/10—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of tubular bodies
- C21D8/105—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of tubular bodies of ferrous alloys
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- 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
- C21D9/0068—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for particular articles not mentioned below
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- 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
- C21D9/0081—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for slabs; for billets
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- 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
- C21D9/08—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for tubular bodies or pipes
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- 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
- C21D9/46—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for sheet metals
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- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C1/00—Making non-ferrous alloys
- C22C1/02—Making non-ferrous alloys by melting
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- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C19/00—Alloys based on nickel or cobalt
- C22C19/03—Alloys based on nickel or cobalt based on nickel
- C22C19/05—Alloys based on nickel or cobalt based on nickel with chromium
- C22C19/051—Alloys based on nickel or cobalt based on nickel with chromium and Mo or W
- C22C19/055—Alloys based on nickel or cobalt based on nickel with chromium and Mo or W with the maximum Cr content being at least 20% but less than 30%
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- C22C30/00—Alloys containing less than 50% by weight of each constituent
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- C22C30/00—Alloys containing less than 50% by weight of each constituent
- C22C30/02—Alloys containing less than 50% by weight of each constituent containing copper
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- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/002—Ferrous alloys, e.g. steel alloys containing In, Mg, or other elements not provided for in one single group C22C38/001 - C22C38/60
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- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/004—Very low carbon steels, i.e. having a carbon content of less than 0,01%
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- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/02—Ferrous alloys, e.g. steel alloys containing silicon
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- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/04—Ferrous alloys, e.g. steel alloys containing manganese
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- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/06—Ferrous alloys, e.g. steel alloys containing aluminium
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- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/08—Ferrous alloys, e.g. steel alloys containing nickel
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- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
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- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/20—Ferrous alloys, e.g. steel alloys containing chromium with copper
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- 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
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- 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
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- 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
- C22C38/42—Ferrous alloys, e.g. steel alloys containing chromium with nickel with copper
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- 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
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- 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
- C22C38/52—Ferrous alloys, e.g. steel alloys containing chromium with nickel with cobalt
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- 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
- C22C38/54—Ferrous alloys, e.g. steel alloys containing chromium with nickel with boron
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- C22F—CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
- C22F1/00—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
- C22F1/10—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of nickel or cobalt or alloys based thereon
Definitions
- the invention relates to a titanium-free alloy with high pitting and crevice corrosion resistance and high yield strength and strength in the work-hardened state.
- the highly corrosion-resistant alloy Alloy 825 is used mainly in the chemical industry and in offshore technology. It is marketed under the material number 2.4858 and has the following chemical composition: C ⁇ 0.025%, S ⁇ 0.015%, Cr 19.5-23.5%, Ni 28-46%, Mn £ 1%, Si ⁇ 0.5% , Mo 2.5-3.5%, Ti 0.6-1.2%, Cu 1.5- 3%, Al ⁇ 0.2%, Co ⁇ 1%, Fe balance.
- the alloy Alloy 825 is a titanium-stabilized material.
- titanium can cause problems, especially in continuous casting, because it reacts with the casting powder S1O 2 (Problem 3). It would be desirable to avoid the element titanium, but this leads to a significant increase in the edge crack tendency.
- JP 61288041 A1 relates to an alloy having the following composition: C ⁇ 0.045%, S ⁇ 0.03%, N 0.005-0.2%, Cr 14-26%, Mn ⁇ 1%, Si ⁇ 1%, Mo ⁇ 8% , Cu ⁇ 2%, Fe ⁇ 25%, Al ⁇ 2%, B 0.001 - 0.1%, Mg 0.005 - 0.5%, remainder Ni.
- the content of Nb is generated by a formula.
- at least one of the elements Ti, Al, Zr, W, Ta, V, Hf may be contained in contents 2.
- the object of the invention is to provide an alloy which is alternative to Alloy 825, which meets the problems outlined above and
- the hot forming and weldability is at least as good.
- An expedient embodiment of the alloy according to the invention has the following composition (in% by weight)
- the chromium content can be modified as follows:
- the nickel content can be modified as follows:
- molybdenum content can be modified as follows:
- the alloy may still contain the element V in contents (in wt.)
- V 0.2-0.7% may be added.
- the iron content in the alloy according to the invention should be> 22%.
- the PRE total in terms of corrosion resistance of Alloy 825 is PRE 33 and is very low compared to other alloys.
- Table 2 shows the active quantities PRE according to the prior art.
- Table 3 shows the results of various pitting corrosion studies.
- the reduced titanium content has no negative influence on the pitting corrosion temperature.
- the increased molybdenum content has positive effects.
- Table 5 Tensile tests at RT Figures 1 and 2 below show results of tensile tests on the one hand of the reference alloy Alloy 825 and on the other hand of alternative alloys.
- Molybdenum has a positive effect on yield strength and strength.
- Figures 3 and 4 illustrate the positive influence of Molydbän.
- Microcrack (stereomicroscope)
- a homogenization annealing of the slabs / billets produced is carried out at 1 150-1250 ° C for 15 to 25 hours, wherein
- the homogenization annealing is carried out in particular following a first hot working.
- the alloy can also be produced by ESUA / AR remelting.
- the alloy according to the invention should preferably be used as a component in the oil and gas industry.
- Table 6 contrasts Alloy 825 (standard) with two alloys of the present invention.
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Physics & Mathematics (AREA)
- Manufacturing & Machinery (AREA)
- Heat Treatment Of Steel (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
- Arc Welding In General (AREA)
- Turbine Rotor Nozzle Sealing (AREA)
Abstract
Description
Claims
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2016551821A JP6300941B2 (ja) | 2014-02-13 | 2015-02-10 | チタンを含まない合金 |
US15/035,366 US10174397B2 (en) | 2014-02-13 | 2015-02-10 | Titanium-free alloy |
EP15716712.3A EP3105358B1 (de) | 2014-02-13 | 2015-02-10 | Verfahren zur herstellung einer titanfreien legierung |
BR112016012184-8A BR112016012184B1 (pt) | 2014-02-13 | 2015-02-10 | Processo para produção de uma liga livre de titânio, e seu uso |
CN201580002649.XA CN105745345A (zh) | 2014-02-13 | 2015-02-10 | 无钛合金 |
KR1020167021485A KR101865406B1 (ko) | 2014-02-13 | 2015-02-10 | 티타늄-무함유 합금 |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102014002402.4 | 2014-02-13 | ||
DE102014002402.4A DE102014002402A1 (de) | 2014-02-13 | 2014-02-13 | Titanfreie Legierung |
DE102014002693.0 | 2014-02-28 | ||
DE102014002693.0A DE102014002693A1 (de) | 2014-02-28 | 2014-02-28 | Titanfreie Legierung |
Publications (1)
Publication Number | Publication Date |
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WO2015120832A1 true WO2015120832A1 (de) | 2015-08-20 |
Family
ID=52875351
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/DE2015/000053 WO2015120832A1 (de) | 2014-02-13 | 2015-02-10 | Titanfreie legierung |
Country Status (7)
Country | Link |
---|---|
US (1) | US10174397B2 (de) |
EP (1) | EP3105358B1 (de) |
JP (1) | JP6300941B2 (de) |
KR (1) | KR101865406B1 (de) |
CN (2) | CN105745345A (de) |
BR (1) | BR112016012184B1 (de) |
WO (1) | WO2015120832A1 (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113528895A (zh) * | 2021-07-19 | 2021-10-22 | 江苏图南合金股份有限公司 | 一种气阀用高硬度3j40合金棒材及其制造方法 |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106391747B (zh) * | 2016-11-28 | 2018-03-16 | 西安诺博尔稀贵金属材料有限公司 | 以一般工业用铌条为原料制备核燃料用高纯铌丝的方法 |
KR20230024248A (ko) | 2020-03-09 | 2023-02-20 | 에이티아이 인코포레이티드 | 내부식성 니켈계 합금 |
CN114058903B (zh) * | 2020-07-30 | 2022-06-14 | 宝武特种冶金有限公司 | 一种镍铁基合金大口径厚壁管及其制造方法 |
CA3204358A1 (en) * | 2021-02-04 | 2022-08-11 | Vdm Metals International Gmbh | Use of a titanium-free nickel-chromium-iron-molybdenum alloy |
CN115747576B (zh) * | 2022-10-26 | 2024-03-22 | 中国科学院金属研究所 | 一种高压氢气压缩机临氢膜片用耐氢脆耐疲劳板材的制备方法 |
Citations (6)
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---|---|---|---|---|
US2777766A (en) | 1952-06-04 | 1957-01-15 | Union Carbide & Carbon Corp | Corrosion resistant alloys |
GB2123031A (en) * | 1982-05-17 | 1984-01-25 | Kobe Steel Ltd | High-nickel austenitic alloys for sour well service |
JPS61288041A (ja) | 1985-06-14 | 1986-12-18 | Babcock Hitachi Kk | 耐粒界型応力腐食割れ性、耐孔食性に優れたNi基合金 |
EP1471158A1 (de) * | 2003-04-25 | 2004-10-27 | Sumitomo Metal Industries, Ltd. | Rostfreiem austenitischem Stahl |
DE102007005605A1 (de) * | 2007-01-31 | 2008-08-07 | Thyssenkrupp Vdm Gmbh | Eisen-Nickel-Chrom-Silizium-Legierung |
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CN113528895A (zh) * | 2021-07-19 | 2021-10-22 | 江苏图南合金股份有限公司 | 一种气阀用高硬度3j40合金棒材及其制造方法 |
CN113528895B (zh) * | 2021-07-19 | 2022-05-27 | 江苏图南合金股份有限公司 | 一种气阀用高硬度3j40合金棒材及其制造方法 |
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JP6300941B2 (ja) | 2018-03-28 |
JP2017510704A (ja) | 2017-04-13 |
BR112016012184A2 (pt) | 2017-09-26 |
KR101865406B1 (ko) | 2018-06-07 |
CN114000032A (zh) | 2022-02-01 |
US20170002437A1 (en) | 2017-01-05 |
EP3105358B1 (de) | 2018-06-13 |
CN105745345A8 (zh) | 2016-08-10 |
US10174397B2 (en) | 2019-01-08 |
BR112016012184B1 (pt) | 2021-04-27 |
CN105745345A (zh) | 2016-07-06 |
EP3105358A1 (de) | 2016-12-21 |
KR20160135168A (ko) | 2016-11-25 |
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