CN115404398A - Preparation method of novel steel frame - Google Patents
Preparation method of novel steel frame Download PDFInfo
- Publication number
- CN115404398A CN115404398A CN202110577531.7A CN202110577531A CN115404398A CN 115404398 A CN115404398 A CN 115404398A CN 202110577531 A CN202110577531 A CN 202110577531A CN 115404398 A CN115404398 A CN 115404398A
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- China
- Prior art keywords
- preparation
- rectangular frame
- steel
- novel steel
- steel frame
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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
- C22C38/001—Ferrous alloys, e.g. steel alloys containing N
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C37/00—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape
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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
- C21D8/005—Modifying the physical properties by deformation combined with, or followed by, heat treatment of ferrous alloys
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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
- C22C38/002—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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- 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
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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
- C22C38/04—Ferrous alloys, e.g. steel alloys containing manganese
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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
- C22C38/06—Ferrous alloys, e.g. steel alloys containing aluminium
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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
- C22C38/22—Ferrous alloys, e.g. steel alloys containing chromium with molybdenum or tungsten
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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
- C22C38/32—Ferrous alloys, e.g. steel alloys containing chromium with boron
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
- E04B1/24—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of metal
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/64—Insulation or other protection; Elements or use of specified material therefor for making damp-proof; Protection against corrosion
- E04B1/642—Protecting metallic construction elements against corrosion
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Architecture (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Heat Treatment Of Steel (AREA)
Abstract
The invention relates to a preparation method of a novel steel frame, which comprises a first rectangular frame and a second rectangular frame which are crossed into a cross shape, wherein the first rectangular frame and the second rectangular frame comprise the following components in percentage by mass: 0.02-0.04% of C, 0.01-0.03% of N, 0.03-0.06% of In, 0.02-0.05% of Si, 0.01-0.03% of p, 0.02-0.04% of B, 0.03-0.05% of AL, 0.01-0.02% of Mn, 0.03-0.04% of W, 0.02-0.05% of Cr, and the balance of Fe and inevitable impurities. The preparation of the specific components and the component proportion can obviously improve the hardness and the strength of steel, avoid brittle fracture, promote the corrosion prevention effect of the steel by adding tungsten and chromium, prolong the service life of the steel, reduce coarse grains of a steel structure by combining quenching and tempering and an annealing process, make the steel structure more uniform, and contribute to obtaining the steel with excellent mechanical property.
Description
Technical Field
The invention relates to the technical field of metal materials, in particular to a preparation method of a novel steel frame.
Background
Steel frames are structures made of steel materials and are one of the main types of building structures. The steel frame mainly comprises steel beams, steel columns, steel trusses and other members made of steel, and rust removing and preventing processes such as silanization, pure manganese phosphating, washing and drying, galvanization and the like are adopted. The components or parts are typically joined by welds, bolts or rivets. Because of its light dead weight, and construction is simple and convenient, widely apply to fields such as large-scale factory building, venue, superelevation layer. Steel frames are easy to rust, and general steel structures need to be derusted, galvanized or painted and need to be maintained regularly.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a preparation method of a novel steel frame.
The technical scheme for realizing the purpose of the invention is as follows: a preparation method of a novel steel frame comprises a first rectangular frame and a second rectangular frame which are crossed into a cross shape, wherein the first rectangular frame and the second rectangular frame comprise the following components in percentage by mass: 0.02-0.04% of C, 0.01-0.03% of N, 0.03-0.06% of In, 0.02-0.05% of Si, 0.01-0.03% of p, 0.02-0.04% of B, 0.03-0.05% of AL, 0.01-0.02% of Mn, 0.03-0.04% of W, 0.02-0.05% of Cr, and the balance of Fe and inevitable impurities.
According to the technical scheme, the first rectangular frame and the second rectangular frame are manufactured by the following manufacturing steps:
s1, mixing and melting all the components to obtain a casting;
s2, heating the casting to carry out primary hot rolling;
s3, carrying out primary annealing on the casting subjected to primary hot rolling;
s4, hardening and tempering the casting subjected to primary annealing;
s5, secondarily annealing the quenched and tempered casting;
and S6, carrying out secondary hot rolling on the casting subjected to secondary annealing.
In the technical scheme, the mixing and melting are carried out by heating to 900 ℃ under the condition of 30 Pa.
The temperature of the primary hot rolling in the technical scheme is 850 ℃.
The primary annealing is maintained at 780 ℃ for 3 hours according to the technical scheme.
The quenching and tempering in the technical scheme are water-cooling quenching at 700 ℃ and tempering at 600 ℃ for 1 hour.
The secondary annealing in the technical scheme is carried out at 850-880 ℃.
The secondary hot rolling of the technical scheme is carried out at 980 ℃.
After the technical scheme is adopted, the invention has the following positive effects:
the preparation of the specific components and the component proportion can obviously improve the hardness and the strength of steel, avoid brittle fracture, promote the corrosion prevention effect of the steel by adding tungsten and chromium, prolong the service life of the steel, reduce coarse grains of a steel structure by combining quenching and tempering and an annealing process, make the steel structure more uniform, and contribute to obtaining the steel with excellent mechanical property.
Drawings
In order that the present disclosure may be more readily and clearly understood, reference is now made to the following detailed description of the present disclosure taken in conjunction with the accompanying drawings, in which
FIG. 1 is a schematic view of the present invention.
In the figure: a first rectangular frame 1 and a second rectangular frame 2.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Referring to fig. 1, the invention provides a preparation method of a novel steel frame, which comprises a first rectangular frame 1 and a second rectangular frame 2 crossed into a cross shape, wherein the first rectangular frame 1 and the second rectangular frame 2 comprise the following components in percentage by mass: 0.02-0.04% of C, 0.01-0.03% of N, 0.03-0.06% of In, 0.02-0.05% of Si, 0.01-0.03% of p, 0.02-0.04% of B, 0.03-0.05% of AL, 0.01-0.02% of Mn, 0.03-0.04% of W, 0.02-0.05% of Cr, and the balance of Fe and inevitable impurities.
The first rectangular frame 1 and the second rectangular frame 2 are manufactured by the following manufacturing steps:
s1, mixing and melting all the components to obtain a casting;
s2, heating the casting to carry out primary hot rolling;
s3, carrying out primary annealing on the casting subjected to primary hot rolling;
s4, hardening and tempering the casting subjected to primary annealing;
s5, secondarily annealing the quenched and tempered casting;
and S6, carrying out secondary hot rolling on the casting subjected to secondary annealing.
The mixing and melting are carried out under the condition of 30Pa, and the temperature is increased to 900 ℃.
The temperature of the primary hot rolling is 850 ℃.
The primary anneal was maintained at 780 ℃ for 3 hours.
The tempering is water-cooling quenching at 700 ℃, and tempering at 600 ℃ for 1 hour.
The secondary annealing is carried out at 850-880 ℃.
The secondary hot rolling is carried out at 980 ℃.
The above-mentioned embodiments are intended to illustrate the objects, technical solutions and advantages of the present invention in further detail, and it should be understood that the above-mentioned embodiments are only exemplary embodiments of the present invention, and are not intended to limit the present invention, and any modifications, equivalents, improvements and the like made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. A preparation method of a novel steel frame is characterized by comprising the following steps: the high-strength steel plate comprises a first rectangular frame (1) and a second rectangular frame (2) which are crossed into a cross shape, wherein the first rectangular frame (1) and the second rectangular frame (2) have the following components in percentage by mass: 0.02-0.04% of C, 0.01-0.03% of N, 0.03-0.06% of In, 0.02-0.05% of Si, 0.01-0.03% of p, 0.02-0.04% of B, 0.03-0.05% of AL, 0.01-0.02% of Mn, 0.03-0.04% of W, 0.02-0.05% of Cr, and the balance of Fe and inevitable impurities.
2. The preparation method of the novel steel frame according to claim 1, wherein the preparation method comprises the following steps: the first rectangular frame (1) and the second rectangular frame (2) are prepared by the following preparation steps:
s1, mixing and melting all components to obtain a casting;
s2, heating the casting to carry out primary hot rolling;
s3, carrying out primary annealing on the casting subjected to primary hot rolling;
s4, hardening and tempering the casting subjected to primary annealing;
s5, secondarily annealing the quenched and tempered casting;
and S6, carrying out secondary hot rolling on the casting subjected to secondary annealing.
3. The preparation method of the novel steel frame according to claim 1, characterized in that: the mixing and melting are carried out under the condition of 30Pa, and the temperature is increased to 900 ℃.
4. The preparation method of the novel steel frame according to claim 1, wherein the preparation method comprises the following steps: the temperature of the primary hot rolling is 850 ℃.
5. The preparation method of the novel steel frame according to claim 1, characterized in that: the primary anneal was maintained at 780 ℃ for 3 hours.
6. The preparation method of the novel steel frame according to claim 1, characterized in that: the tempering is water-cooling quenching at 700 ℃, and tempering at 600 ℃ for 1 hour.
7. The preparation method of the novel steel frame according to claim 1, wherein the preparation method comprises the following steps: the secondary annealing is carried out at 850-880 ℃.
8. The preparation method of the novel steel frame according to claim 1, characterized in that: the secondary hot rolling is carried out at 980 ℃.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110577531.7A CN115404398A (en) | 2021-05-26 | 2021-05-26 | Preparation method of novel steel frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110577531.7A CN115404398A (en) | 2021-05-26 | 2021-05-26 | Preparation method of novel steel frame |
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| Publication Number | Publication Date |
|---|---|
| CN115404398A true CN115404398A (en) | 2022-11-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110577531.7A Pending CN115404398A (en) | 2021-05-26 | 2021-05-26 | Preparation method of novel steel frame |
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| CN (1) | CN115404398A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2015147968A (en) * | 2014-02-05 | 2015-08-20 | Ｊｆｅスチール株式会社 | High-strength cold-rolled steel sheet excellent in surface property, and production method thereof |
| CN109923234A (en) * | 2017-08-31 | 2019-06-21 | 日本制铁株式会社 | The manufacturing method of carburizing steel plate and carburizing steel plate |
| CN109963959A (en) * | 2018-10-02 | 2019-07-02 | 日本制铁株式会社 | Steel sheet for carburizing and method for producing steel sheet for carburizing |
| CN109983145A (en) * | 2017-08-31 | 2019-07-05 | 日本制铁株式会社 | The manufacturing method of carburizing steel plate and carburizing steel plate |
| CN110462086A (en) * | 2017-03-27 | 2019-11-15 | 杰富意钢铁株式会社 | Two panels steel plate for tanks and its manufacturing method |
| CN111155029A (en) * | 2019-12-27 | 2020-05-15 | 广西南宁三正工程材料有限公司 | High-strength steel and method for preparing mesh sheet by using steel |
| CN112912527A (en) * | 2018-10-26 | 2021-06-04 | 株式会社Posco | Steel plate for pressure vessel with excellent low temperature toughness and excellent ductility and method for producing the same |
-
2021
- 2021-05-26 CN CN202110577531.7A patent/CN115404398A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2015147968A (en) * | 2014-02-05 | 2015-08-20 | Ｊｆｅスチール株式会社 | High-strength cold-rolled steel sheet excellent in surface property, and production method thereof |
| CN110462086A (en) * | 2017-03-27 | 2019-11-15 | 杰富意钢铁株式会社 | Two panels steel plate for tanks and its manufacturing method |
| CN109923234A (en) * | 2017-08-31 | 2019-06-21 | 日本制铁株式会社 | The manufacturing method of carburizing steel plate and carburizing steel plate |
| CN109983145A (en) * | 2017-08-31 | 2019-07-05 | 日本制铁株式会社 | The manufacturing method of carburizing steel plate and carburizing steel plate |
| CN109963959A (en) * | 2018-10-02 | 2019-07-02 | 日本制铁株式会社 | Steel sheet for carburizing and method for producing steel sheet for carburizing |
| CN112912527A (en) * | 2018-10-26 | 2021-06-04 | 株式会社Posco | Steel plate for pressure vessel with excellent low temperature toughness and excellent ductility and method for producing the same |
| CN111155029A (en) * | 2019-12-27 | 2020-05-15 | 广西南宁三正工程材料有限公司 | High-strength steel and method for preparing mesh sheet by using steel |
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Application publication date: 20221129 |
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