CN110616380A - Non-magnetic martensite and preparation method thereof - Google Patents

Non-magnetic martensite and preparation method thereof Download PDF

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Publication number
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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CN
China
Prior art keywords
martensite
equal
less
preparation
magnetic
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Pending
Application number
CN201810635245.XA
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Chinese (zh)
Inventor
朱鹤峰
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Wuxi Dongming Crown Special Metal Manufacturing Co Ltd
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Wuxi Dongming Crown Special Metal Manufacturing Co Ltd
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Application filed by Wuxi Dongming Crown Special Metal Manufacturing Co Ltd filed Critical Wuxi Dongming Crown Special Metal Manufacturing Co Ltd
Priority to CN201810635245.XA priority Critical patent/CN110616380A/en
Publication of CN110616380A publication Critical patent/CN110616380A/en
Pending legal-status Critical Current

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    • 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

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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 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

Non-magnetic martensite and preparation method thereof
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-.
CN201810635245.XA 2018-06-20 2018-06-20 Non-magnetic martensite and preparation method thereof Pending CN110616380A (en)

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)

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CN201810635245.XA Pending CN110616380A (en) 2018-06-20 2018-06-20 Non-magnetic martensite and preparation method thereof

Country Status (1)

Country Link
CN (1) CN110616380A (en)

Citations (6)

* Cited by examiner, † Cited by third party
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

Patent Citations (6)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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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Application publication date: 20191227