CN111647827A - High-temperature-resistant corrosion-resistant furnace body material and preparation method thereof - Google Patents
High-temperature-resistant corrosion-resistant furnace body material and preparation method thereof Download PDFInfo
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- CN111647827A CN111647827A CN201910149858.7A CN201910149858A CN111647827A CN 111647827 A CN111647827 A CN 111647827A CN 201910149858 A CN201910149858 A CN 201910149858A CN 111647827 A CN111647827 A CN 111647827A
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- temperature
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- iron
- corrosion
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- 238000005260 corrosion Methods 0.000 title claims abstract description 18
- 230000007797 corrosion Effects 0.000 title claims abstract description 18
- 239000000463 material Substances 0.000 title claims abstract description 11
- 238000002360 preparation method Methods 0.000 title abstract description 6
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 26
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims abstract description 16
- 239000000956 alloy Substances 0.000 claims abstract description 13
- 229910052742 iron Inorganic materials 0.000 claims abstract description 13
- 229910045601 alloy Inorganic materials 0.000 claims abstract description 10
- 239000011651 chromium Substances 0.000 claims abstract description 9
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims abstract description 8
- 229910052804 chromium Inorganic materials 0.000 claims abstract description 8
- LEONUFNNVUYDNQ-UHFFFAOYSA-N vanadium atom Chemical compound [V] LEONUFNNVUYDNQ-UHFFFAOYSA-N 0.000 claims abstract description 8
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 claims abstract description 7
- 238000002844 melting Methods 0.000 claims abstract description 7
- 230000008018 melting Effects 0.000 claims abstract description 7
- 229910052759 nickel Inorganic materials 0.000 claims abstract description 7
- 239000010703 silicon Substances 0.000 claims abstract description 7
- 229910052710 silicon Inorganic materials 0.000 claims abstract description 7
- 229910052720 vanadium Inorganic materials 0.000 claims abstract description 7
- 239000011572 manganese Substances 0.000 claims abstract description 6
- 230000006698 induction Effects 0.000 claims abstract description 5
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims abstract description 4
- 229910052748 manganese Inorganic materials 0.000 claims abstract description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 3
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 claims abstract description 3
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 3
- 239000012535 impurity Substances 0.000 claims abstract description 3
- WPBNNNQJVZRUHP-UHFFFAOYSA-L manganese(2+);methyl n-[[2-(methoxycarbonylcarbamothioylamino)phenyl]carbamothioyl]carbamate;n-[2-(sulfidocarbothioylamino)ethyl]carbamodithioate Chemical compound [Mn+2].[S-]C(=S)NCCNC([S-])=S.COC(=O)NC(=S)NC1=CC=CC=C1NC(=S)NC(=O)OC WPBNNNQJVZRUHP-UHFFFAOYSA-L 0.000 claims abstract description 3
- 229910052750 molybdenum Inorganic materials 0.000 claims abstract description 3
- 239000011733 molybdenum Substances 0.000 claims abstract description 3
- 238000007670 refining Methods 0.000 claims description 12
- 238000010438 heat treatment Methods 0.000 claims description 9
- 238000000034 method Methods 0.000 claims description 7
- 229910000805 Pig iron Inorganic materials 0.000 claims description 6
- 238000005275 alloying Methods 0.000 claims description 6
- 239000003795 chemical substances by application Substances 0.000 claims description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 5
- 229910052729 chemical element Inorganic materials 0.000 claims description 3
- 239000011159 matrix material Substances 0.000 claims description 3
- 238000001816 cooling Methods 0.000 claims description 2
- 238000006477 desulfuration reaction Methods 0.000 claims description 2
- 230000023556 desulfurization Effects 0.000 claims description 2
- 239000010935 stainless steel Substances 0.000 abstract description 10
- 229910001220 stainless steel Inorganic materials 0.000 abstract description 10
- 229910000831 Steel Inorganic materials 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- 238000003756 stirring Methods 0.000 description 3
- 229910001566 austenite Inorganic materials 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 230000003009 desulfurizing effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000000171 quenching effect Effects 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 238000009628 steelmaking Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
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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
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/58—Ferrous alloys, e.g. steel alloys containing chromium with nickel with more than 1.5% by weight of manganese
-
- 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
- C21D6/004—Heat treatment of ferrous alloys containing Cr and Ni
-
- 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
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C33/00—Making ferrous alloys
- C22C33/04—Making ferrous alloys by melting
-
- 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
- C22C38/34—Ferrous alloys, e.g. steel alloys containing chromium with more than 1.5% by weight of 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
- C22C38/18—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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Treatment Of Steel In Its Molten State (AREA)
Abstract
The invention relates to the technical field of stainless steel, in particular to a high-temperature-resistant and corrosion-resistant furnace body material and a preparation method thereof. The stainless steel comprises the following components in percentage by weight: 24-26% of chromium, 24-26% of nickel, 3-5% of manganese, 1.5-2% of silicon, 2-2.5% of molybdenum, 1-1.5% of vanadium, less than 1% of carbon, and the balance of iron and trace impurities. The preparation method comprises the following steps of firstly putting alloy elements of chromium, silicon and vanadium into a vacuum induction furnace for melting, then putting nickel and manganese into the furnace, and finally putting other residual components into the furnace. The melting temperature was 1860 ℃. The furnace body material prepared by the invention has good high-temperature resistance and corrosion resistance, and is suitable for high-temperature and corrosion-resistant working environments.
Description
Technical Field
The invention relates to the technical field of stainless steel, in particular to a high-temperature-resistant and corrosion-resistant furnace body material and a preparation method thereof.
Technical Field
The stainless steel material has the series characteristics of excellent corrosion resistance, formability, compatibility, toughness and the like, and is widely applied to the industries of heavy industry, light industry, living goods industry, architectural decoration and the like. With the wider application range of the stainless steel field, the improvement of the high temperature resistance and the corrosion resistance of the stainless steel is of great importance on the premise of ensuring the performance of the stainless steel. However, some stainless steel materials are not resistant to high temperature under severe working conditions and are prone to corrosion.
At present, researchers are always searching for heat-resistant and corrosion-resistant furnace body materials which can be used under high-temperature conditions so as to meet the corrosion resistance performance at higher temperature and in more complex environments in the using process, but the existing alloy materials cannot meet the requirements generally.
Disclosure of Invention
The invention aims to provide a furnace body material with high temperature resistance and corrosion resistance.
In order to achieve the purpose, the invention adopts the following technical scheme: the components and weight percentage of the stainless steel are 24-26% of chromium, 24-26% of nickel, 3-5% of manganese, 1.5-2% of silicon, 2-2.5% of molybdenum, 1-1.5% of vanadium, less than 1% of carbon, and the rest elements are iron and trace impurities.
Ni: in the invention, Ni is used for changing the crystal structure of the steel, forming an austenite crystal structure and stabilizing an austenite phase, thereby improving the corrosion resistance of the stainless steel.
Cr: cr is an iron-forming element. The chromium can obviously improve the strength, hardness and oxidation resistance of the steel.
Mn: in the steel-making process, Mn is a good deoxidizer and desulfurizer, and has high strength and hardness, so that the quenching property of the steel is improved, and the hot workability of the steel is improved.
The technical scheme of the invention is as follows:
a preparation method of a high-temperature-resistant corrosion-resistant furnace body accessory is characterized by comprising the following steps:
(1) preparing pig iron and scrap iron according to the proportion of 1: 1.5 as the source of iron matrix, putting pig iron into a vacuum induction furnace for desulfurization and deoxidation, carrying out primary refining by adopting a refining agent, adding alloy components for alloying, adding scrap iron for melting, adding the refining agent for secondary refining, detecting and adjusting the content of chemical element components to be qualified.
(2) And the sequence of adding alloy elements into the vacuum induction furnace in the alloying process is as follows: (1) chromium, silicon, vanadium; (2) nickel, manganese (3) and other remaining components. Heating to 1860 deg.C in a vacuum furnace, adding elements at intervals of 25-30min, and stirring.
(3) And heat treatment engineering: heating a furnace at room temperature to 1050-1100 deg.C, maintaining the temperature for 150-200 min, taking out from the furnace, and placing into circulating water at a temperature of 40 deg.C.
The invention has the beneficial effects that: the invention uses the waste iron as one of the raw materials, thereby saving resources. The raw materials are put in batches, so that the alloy is melted uniformly, the stable and uniform quality of the alloy is ensured, and the performance of the product is improved. The element combination set by the invention is suitable for being used in high-temperature and corrosive environments for a long time. The high-temperature resistance and corrosion resistance of the furnace body are greatly enhanced, the heating temperature can be higher, the working efficiency is improved, and the furnace can be applied to environments with stronger corrosivity.
The specific implementation mode is as follows: the production method of the high-temperature-resistant corrosion-resistant furnace body accessory comprises the following steps:
(1) preparing pig iron and scrap iron according to the proportion of 1: 1.5 as the source of the iron matrix, putting pig iron into a vacuum induction furnace for melting, desulfurizing and deoxidizing, carrying out primary refining by adopting a refining agent, adding alloy components according to the alloy proportion for alloying, then adding scrap iron for melting, adding the refining agent for secondary refining, detecting and adjusting the content of chemical element components to be qualified.
(2) In the alloying process, the sequence of adding alloy element batches into the furnace is (1) chromium, silicon and vanadium; (2) nickel, manganese (3) and other remaining components. Heating to 1860 deg.C in a vacuum furnace, adding elements at intervals of 25-30min, and stirring. The purpose of the element batch feeding is to enable the alloy material to be fully melted and convenient to stir.
(3) And (3) heat treatment process: heating to 1050-1100 deg.C, maintaining the temperature for 150-200 min, taking out from the furnace, adding into circulating water, controlling the temperature of the circulating water within 40 deg.C, taking out, and air cooling.
Claims (2)
1. The high-temperature-resistant corrosion-resistant furnace body material is characterized by comprising the following components: 24-26% of chromium, 24-26% of nickel, 3-5% of manganese, 1.5-2% of silicon, 2-2.5% of molybdenum, 1-1.5% of vanadium, less than 1% of carbon, and the balance of iron and trace impurities.
2. The method for processing the high temperature and corrosion resistant furnace body material according to claim 1,
(1) preparing pig iron and scrap iron according to the proportion of 1: 1.5 as the source of the iron matrix, putting pig iron into a vacuum induction furnace for melting, carrying out desulfurization and deoxidation, carrying out primary refining by adopting a refining agent, adding alloy components for alloying, adding scrap iron for melting, adding the refining agent for secondary refining, detecting and adjusting the content of chemical element components to be qualified.
(2) And in the alloying process, the sequence of adding alloy element batches into the furnace is (1) chromium, silicon, vanadium (2) nickel and manganese (3) and other residual components. The purpose of the element batch feeding is to enable the alloy material to be fully melted.
(3) And a heat treatment process: heating to 1050-1100 deg.C, maintaining the temperature for 150-200 min, taking out from the furnace, adding into circulating water, controlling the temperature of the circulating water within 40 deg.C, taking out, and air cooling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910149858.7A CN111647827A (en) | 2019-03-03 | 2019-03-03 | High-temperature-resistant corrosion-resistant furnace body material and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910149858.7A CN111647827A (en) | 2019-03-03 | 2019-03-03 | High-temperature-resistant corrosion-resistant furnace body material and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111647827A true CN111647827A (en) | 2020-09-11 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910149858.7A Pending CN111647827A (en) | 2019-03-03 | 2019-03-03 | High-temperature-resistant corrosion-resistant furnace body material and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111647827A (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101845600A (en) * | 2009-03-25 | 2010-09-29 | 大连特耐泵业有限公司 | High temperature-resistant and acid corrosion-resistant stainless steel and preparation method thereof |
| CN104611636A (en) * | 2015-02-05 | 2015-05-13 | 苏州双金实业有限公司 | High-temperature-resistant, corrosion-resistant and high-strength steel and manufacturing process thereof |
-
2019
- 2019-03-03 CN CN201910149858.7A patent/CN111647827A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101845600A (en) * | 2009-03-25 | 2010-09-29 | 大连特耐泵业有限公司 | High temperature-resistant and acid corrosion-resistant stainless steel and preparation method thereof |
| CN104611636A (en) * | 2015-02-05 | 2015-05-13 | 苏州双金实业有限公司 | High-temperature-resistant, corrosion-resistant and high-strength steel and manufacturing process thereof |
Non-Patent Citations (1)
| Title |
|---|
| 朱志强等: "《钢分析化学与物理检测》", 30 June 2013, 冶金工业出版社 * |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| CB02 | Change of applicant information | ||
| CB02 | Change of applicant information |
Address after: 271209 Guodu Industrial Park, Xintai City, Tai'an City, Shandong Province Applicant after: Shandong Senyu Precision Engineering Technology Co.,Ltd. Address before: 271209 No. 3, Taihe Road, Guodu Town, Xintai City, Tai'an City, Shandong Province Applicant before: Shandong Senyu Heavy Industrial Co.,Ltd. |
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| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20200911 |