CN110616380A - Non-magnetic martensite and preparation method thereof - Google Patents
Non-magnetic martensite and preparation method thereof Download PDFInfo
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- CN110616380A CN110616380A CN201810635245.XA CN201810635245A CN110616380A CN 110616380 A CN110616380 A CN 110616380A CN 201810635245 A CN201810635245 A CN 201810635245A CN 110616380 A CN110616380 A CN 110616380A
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- martensite
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- magnetic
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- 229910000734 martensite Inorganic materials 0.000 title claims abstract description 32
- 238000002360 preparation method Methods 0.000 title claims abstract description 11
- 229910052710 silicon Inorganic materials 0.000 claims abstract description 9
- 229910052804 chromium Inorganic materials 0.000 claims abstract description 7
- 229910052748 manganese Inorganic materials 0.000 claims abstract description 7
- 229910052750 molybdenum Inorganic materials 0.000 claims abstract description 7
- 229910052759 nickel Inorganic materials 0.000 claims abstract description 7
- 238000003723 Smelting Methods 0.000 claims abstract description 5
- 239000000956 alloy Substances 0.000 abstract description 21
- 239000000463 material Substances 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 230000000694 effects Effects 0.000 abstract description 2
- 238000000034 method Methods 0.000 abstract description 2
- 239000000126 substance Substances 0.000 abstract description 2
- 235000013361 beverage Nutrition 0.000 abstract 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 20
- 229910045601 alloy Inorganic materials 0.000 description 19
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 10
- 229910052802 copper Inorganic materials 0.000 description 10
- 239000010949 copper Substances 0.000 description 10
- 229910052742 iron Inorganic materials 0.000 description 10
- 239000002131 composite material Substances 0.000 description 9
- 239000000843 powder Substances 0.000 description 6
- 239000007788 liquid Substances 0.000 description 5
- 239000002184 metal Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000010703 silicon Substances 0.000 description 2
- -1 silicon metals Chemical class 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 238000013329 compounding Methods 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
Classifications
-
- 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
- C22C38/02—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
- C22C38/40—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
- C22C38/58—Ferrous alloys, e.g. steel alloys containing chromium with nickel with more than 1.5% by weight of manganese
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Heat Treatment Of Articles (AREA)
Abstract
The invention aims to provide a non-magnetic high-temperature-resistant martensite and a preparation method thereof; the beverage is characterized by comprising the following components: c: 0.35-0.43%, Si: 1.6-2.1%, Mn: 1.1-1.6%, P is less than or equal to 0.04%, S is less than or equal to 0.03%, Cr: 25.5-27%, Mo: 0.35-0.45%, Ni: 12 to 13.5 percent; the invention has the beneficial effects that the martensite nonmagnetic material effect can be effectively obtained by strictly controlling the proportion of the chemical component Si Mn Ni Gr in the smelting process; the nonmagnetic martensite alloy material obtained by controlling the components can be better applied to more products.
Description
Technical Field
The invention relates to the field of metal materials, in particular to a non-magnetic martensite and a preparation method thereof.
Background
The non-magnetic martensite has a heat-resistant shape, and the heat-resistant steel martensite is used in a high-temperature environment and is commonly used for a turbocharger in the automobile industry at present.
The published Chinese utility model patent has the publication number: CN101274369, patent name: a copper-based alloy/iron-based martensite alloy composite powder and a preparation method thereof are disclosed in the application date: 20080430, which discloses a copper-based alloy/iron-based martensite alloy composite powder and a preparation method thereof, relating to a composite powder material. Provides a simple and cheap copper-based alloy/iron-based martensite alloy composite powder and a preparation method thereof. The composite layer of the iron-based martensite alloy layer and the copper-based alloy layer is formed by compounding the iron-based martensite alloy layer and the copper-based alloy layer, the iron-based martensite alloy layer is arranged on the inner layer of the composite layer, and the copper-based alloy layer is arranged on the outer layer of the composite layer. Weighing copper, iron and silicon metals according to the components of the set copper-based alloy/iron-based martensite alloy composite powder, and putting the copper, iron and silicon metals into a vacuum induction furnace to be melted to obtain alloy liquid; and pouring the molten alloy liquid into a liquid receiving hopper, and blowing the molten alloy liquid by using inert gas at the moment that the liquid flows into the atomizing chamber to obtain the copper-based alloy/iron-based martensite alloy composite powder.
Disclosure of Invention
The invention aims to provide a non-magnetic high-temperature-resistant martensite and a preparation method thereof.
The invention provides a non-magnetic martensite which is characterized by comprising the following components: c: 0.35-0.43%, Si: 1.6-2.1%, Mn: 1.1-1.6%, P is less than or equal to 0.04%, S is less than or equal to 0.03%, Cr: 25.5-27%, Mo: 0.35-0.45%, Ni: 12 to 13.5 percent.
A non-magnetic martensite is characterized by comprising the following components: c: 0.35-0.40%, Si: 1.8-2.0%, Mn: 1.5-1.6%, P is less than or equal to 0.04%, S is less than or equal to 0.03%, Cr: 25.5-25.8%, Mo: 0.35-0.45%, Ni: 13.2 to 13.5 percent.
A preparation method of non-magnetic martensite comprises the following steps:
s1: the smelting temperature of the non-magnetic martensite is raised to 1640 ℃;
s2: deslagging and deoxidizing;
s3: after standing and deslagging, the pouring temperature is set to 1560-.
The invention has the beneficial effects that the martensite nonmagnetic material effect can be effectively obtained by strictly controlling the proportion of the chemical component Si Mn Ni Gr in the smelting process; the nonmagnetic martensite alloy material obtained by controlling the components can be better applied to more products.
DETAILED DESCRIPTION OF EMBODIMENT (S) OF INVENTION
The present invention is described in detail below, and the description in this section is merely exemplary and explanatory and should not be construed as limiting the scope of the present invention in any way.
The invention provides a non-magnetic martensite which is characterized by comprising the following components: c: 0.35-0.43%, Si: 1.6-2.1%, Mn: 1.1-1.6%, P is less than or equal to 0.04%, S is less than or equal to 0.03%, Cr: 25.5-27%, Mo: 0.35-0.45%, Ni: 12 to 13.5 percent.
A non-magnetic martensite is characterized by comprising the following components: c: 0.35-0.40%, Si: 1.8-2.0%, Mn: 1.5-1.6%, P is less than or equal to 0.04%, S is less than or equal to 0.03%, Cr: 25.5-25.8%, Mo: 0.35-0.45%, Ni: 13.2 to 13.5 percent.
A preparation method of non-magnetic martensite comprises the following steps:
s1: the smelting temperature of the non-magnetic martensite is raised to 1640 ℃;
s2: deslagging and deoxidizing;
s3: after standing and deslagging, the pouring temperature is set to 1560-. It is noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," "outer," and the like are used in an orientation or positional relationship indicated based on the orientation or positional relationship shown for ease of description and simplicity of description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
The above-described embodiments of the present invention do not limit the scope of the present invention. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.
Claims (3)
1. A non-magnetic martensite is characterized by comprising the following components: c: 0.35-0.43%, Si: 1.6-2.1%, Mn: 1.1-1.6%, P is less than or equal to 0.04%, S is less than or equal to 0.03%, Cr: 25.5-27%, Mo: 0.35-0.45%, Ni: 12 to 13.5 percent.
2. The nonmagnetic martensite of claim 1, wherein the nonmagnetic martensite consists of: c: 0.35-0.40%, Si: 1.8-2.0%, Mn: 1.5-1.6%, P is less than or equal to 0.04%, S is less than or equal to 0.03%, Cr: 25.5-25.8%, Mo: 0.35-0.45%, Ni: 13.2 to 13.5 percent.
3. A preparation method of non-magnetic martensite comprises the following steps:
s1: the smelting temperature of the non-magnetic martensite is raised to 1640 ℃;
s2: deslagging and deoxidizing;
s3: after standing and deslagging, the pouring temperature is set to 1560-.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810635245.XA CN110616380A (en) | 2018-06-20 | 2018-06-20 | Non-magnetic martensite and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810635245.XA CN110616380A (en) | 2018-06-20 | 2018-06-20 | Non-magnetic martensite and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110616380A true CN110616380A (en) | 2019-12-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810635245.XA Pending CN110616380A (en) | 2018-06-20 | 2018-06-20 | Non-magnetic martensite and preparation method thereof |
Country Status (1)
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| CN (1) | CN110616380A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0617198A (en) * | 1992-06-30 | 1994-01-25 | Aichi Steel Works Ltd | Steel for exhaust valve excellent in high temperature strength |
| US20050194073A1 (en) * | 2004-03-04 | 2005-09-08 | Daido Steel Co., Ltd. | Heat-resistant austenitic stainless steel and a production process thereof |
| CN102876998A (en) * | 2012-09-29 | 2013-01-16 | 西峡县众德汽车部件有限公司 | Heat-resistant steel, turbocharger conjoined casing and preparation method of turbocharger conjoined casing |
| CN102888568A (en) * | 2012-09-14 | 2013-01-23 | 攀钢集团江油长城特殊钢有限公司 | Austenite nickel-saving and heat-resisting steel plate and manufacturing method thereof |
| CN103834876A (en) * | 2014-02-28 | 2014-06-04 | 西峡县内燃机进排气管有限责任公司 | Austenite heat-resisting cast steel exhaust manifold and casting process thereof |
| CN106939392A (en) * | 2017-04-05 | 2017-07-11 | 西峡县众德汽车部件有限公司 | A kind of material for being used to cast automobile gas exhausting manifold branch |
-
2018
- 2018-06-20 CN CN201810635245.XA patent/CN110616380A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0617198A (en) * | 1992-06-30 | 1994-01-25 | Aichi Steel Works Ltd | Steel for exhaust valve excellent in high temperature strength |
| US20050194073A1 (en) * | 2004-03-04 | 2005-09-08 | Daido Steel Co., Ltd. | Heat-resistant austenitic stainless steel and a production process thereof |
| CN102888568A (en) * | 2012-09-14 | 2013-01-23 | 攀钢集团江油长城特殊钢有限公司 | Austenite nickel-saving and heat-resisting steel plate and manufacturing method thereof |
| CN102876998A (en) * | 2012-09-29 | 2013-01-16 | 西峡县众德汽车部件有限公司 | Heat-resistant steel, turbocharger conjoined casing and preparation method of turbocharger conjoined casing |
| CN103834876A (en) * | 2014-02-28 | 2014-06-04 | 西峡县内燃机进排气管有限责任公司 | Austenite heat-resisting cast steel exhaust manifold and casting process thereof |
| CN106939392A (en) * | 2017-04-05 | 2017-07-11 | 西峡县众德汽车部件有限公司 | A kind of material for being used to cast automobile gas exhausting manifold branch |
Non-Patent Citations (3)
| Title |
|---|
| 张贵锋，黄昊: "《固态相变原理及应用 第2版》", 30 June 2016, 北京：冶金工业出版社 * |
| 王德永: "《洁净钢与清洁辅助原料》", 31 July 2017, 北京：冶金工业出版社 * |
| 辽宁省安全科学研究院组编: "《特种设备基础知识》", 30 April 2017, 沈阳：辽宁大学出版社 * |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| 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 | ||
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Application publication date: 20191227 |