CN106048151A - Tempering deformation treatment method for low-carbon microalloyed steel - Google Patents
Tempering deformation treatment method for low-carbon microalloyed steel Download PDFInfo
- Publication number
- CN106048151A CN106048151A CN201610571801.2A CN201610571801A CN106048151A CN 106048151 A CN106048151 A CN 106048151A CN 201610571801 A CN201610571801 A CN 201610571801A CN 106048151 A CN106048151 A CN 106048151A
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- CN
- China
- Prior art keywords
- low
- deformation treatment
- microalloyed steel
- treatment method
- tempering
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- 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
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/18—Hardening; Quenching with or without subsequent tempering
-
- 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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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Heat Treatment Of Steel (AREA)
Abstract
The present invention discloses a tempering deformation treatment method for a low-carbon microalloyed steel, which comprises the following steps: 1) quenching a microalloyed steel containing low carbon of 0.2% at 930 DEG C; and 2) carrying out rapid heating to 460 DEG C and holding the temperature for 5 min, and carrying out rapid warm rolling at a rolling sped of 0.8 m/s with 50% rolling reduction for tempering deformation treatment. Compared with a conventional method, the tempering deformation treatment method for a low-carbon microalloyed steel disclosed by the present invention provides tensile strength, yield strength, yield ratio, elongation and hardness number all at ideal values.
Description
Technical field
The present invention relates to steel technical field, particularly relate to a kind of tempering deformation process method of low-carbon micro steel-alloy.
Background technology
Under normal circumstances, automobile high-strength steel are required for using, in hot procedure through hot pressing processing aftershaping
The structure property of steel changes (such as dynamically/static recovery and recrystallization etc.), different alloying elements and heating technique
Hot change behavior on its steel can produce impact, thus directly affects the performance of steel.
Summary of the invention
For solving the problems referred to above present in prior art and practical situation, the invention provides a kind of low-carbon micro steel-alloy
Tempering deformation process method, it is characterised in that comprise the steps:
1) low-carbon micro steel-alloy containing 0.2% is quenched under 930 degrees Celsius；
2), after being heated rapidly to 460 degrees Celsius of insulation 5min, it is tempered with 50% drafts warm-rolling with the speed of rolling of 0.8m/s rapidly
Deformation process.
Beneficial effect:
The tempering deformation process method of a kind of low-carbon micro steel-alloy disclosed by the invention, compares conventional method, its tensile strength, bend
Take intensity, yield tensile ratio, elongation percentage and hardness number and all reach an ideal value.
Detailed description of the invention
Technical solution of the present invention is described in detail below.
The invention provides a kind of tempering deformation process method of low-carbon micro steel-alloy, it is characterised in that include walking as follows
Rapid:
1) low-carbon micro steel-alloy containing 0.2% is quenched under 930 degrees Celsius；
2), after being heated rapidly to 460 degrees Celsius of insulation 5min, it is tempered with 50% drafts warm-rolling with the speed of rolling of 0.8m/s rapidly
Deformation process.
Beneficial effect:
The tempering deformation process method of a kind of low-carbon micro steel-alloy disclosed by the invention, compares conventional method, its tensile strength, bend
Take intensity, yield tensile ratio, elongation percentage and hardness number and all reach an ideal value.
Finally it is noted that the foregoing is only the preferred embodiments of the present invention, it is not limited to the present invention,
Although being described in detail the present invention with reference to previous embodiment, for a person skilled in the art, it still may be used
So that the technical scheme described in foregoing embodiments to be modified, or wherein portion of techniques feature is carried out equivalent.
All within the spirit and principles in the present invention, any modification, equivalent substitution and improvement etc. made, should be included in the present invention's
Within protection domain.
Claims (1)
1. the tempering deformation process method of a low-carbon micro steel-alloy, it is characterised in that comprise the steps:
1) low-carbon micro steel-alloy containing 0.2% is quenched under 930 degrees Celsius；
2), after being heated rapidly to 460 degrees Celsius of insulation 5min, it is tempered with 50% drafts warm-rolling with the speed of rolling of 0.8m/s rapidly
Deformation process.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610571801.2A CN106048151A (en) | 2016-07-20 | 2016-07-20 | Tempering deformation treatment method for low-carbon microalloyed steel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610571801.2A CN106048151A (en) | 2016-07-20 | 2016-07-20 | Tempering deformation treatment method for low-carbon microalloyed steel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106048151A true CN106048151A (en) | 2016-10-26 |
Family
ID=57188713
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610571801.2A Pending CN106048151A (en) | 2016-07-20 | 2016-07-20 | Tempering deformation treatment method for low-carbon microalloyed steel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106048151A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05112825A (en) * | 1991-08-28 | 1993-05-07 | Kobe Steel Ltd | Manufacture of 780n/mm2 class steel sheet extremely low in yield ratio |
| WO2007058364A1 (en) * | 2005-11-21 | 2007-05-24 | National Institute For Materials Science | Steel for warm working, method of warm working of the steel, and steel material and steel part obtained by the same |
| CN101974671A (en) * | 2010-11-09 | 2011-02-16 | 燕山大学 | Method for manufacturing high-strength superfine crystalline spring steel |
| CN103710510A (en) * | 2013-12-30 | 2014-04-09 | 内蒙古科技大学 | Induction tempering method of high-strength medium plate |
-
2016
- 2016-07-20 CN CN201610571801.2A patent/CN106048151A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05112825A (en) * | 1991-08-28 | 1993-05-07 | Kobe Steel Ltd | Manufacture of 780n/mm2 class steel sheet extremely low in yield ratio |
| WO2007058364A1 (en) * | 2005-11-21 | 2007-05-24 | National Institute For Materials Science | Steel for warm working, method of warm working of the steel, and steel material and steel part obtained by the same |
| CN101974671A (en) * | 2010-11-09 | 2011-02-16 | 燕山大学 | Method for manufacturing high-strength superfine crystalline spring steel |
| CN103710510A (en) * | 2013-12-30 | 2014-04-09 | 内蒙古科技大学 | Induction tempering method of high-strength medium plate |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into 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: 20161026 |