CN109762982A - The artificial aging processing method of carbon steel wire rod with high - Google Patents
The artificial aging processing method of carbon steel wire rod with high Download PDFInfo
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- CN109762982A CN109762982A CN201910219537.XA CN201910219537A CN109762982A CN 109762982 A CN109762982 A CN 109762982A CN 201910219537 A CN201910219537 A CN 201910219537A CN 109762982 A CN109762982 A CN 109762982A
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- wire rod
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- steel wire
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Abstract
This application provides a kind of artificial aging processing methods of carbon steel wire rod with high, the described method comprises the following steps: (1) carbon steel wire rod with high being stacked in constant temperature oven inside holding, at 100-150 DEG C, soaking time is controlled in 50-200min for holding temperature control；(2) furnace cooling, at 30-40 DEG C, cooling time controls in 30min or more carbon steel wire rod with high surface temperature when coming out of the stove；(3) room temperature is naturally cooled to, room temperature is controlled at 23 ± 5 DEG C.It with traditional natrual ageing mode ratio, can accelerate to obtain the plasiticity index of wire rod after hot rolling in 2-11 days, and plasticity will not be deteriorated.
Description
Technical field
This application involves the ageing treatment technical fields of carbon steel wire rod with high, in particular to a kind of carbon steel wire rod with high
Artificial aging processing method.
Background technique
Important industrial wire raw material when carbon steel wire rod with high includes: spring steel, medium and high carbon steel, rubber skeleton class steel wire
With wire rod, steel strand wires wire rod, bridge cable wire rod, alloy steel wire rod and throwing non-alloyed wire rod etc., after processing
Finished product is widely used in the industries such as auto industry, building, machining.Wire rod with coiling because being delivered goods, therefore also known as wire rod.
The plasticity index of high-carbon steel gren rod is always the problem for perplexing Gao Xian factory and deep processing enterprise, and main cause has
The following: first, wire rod sorbite rate is low, and sorbite group is coarse, and sorbite tissue lamellar spacing is coarse, this main and rolling
Deflection is not enough and to roll rear air-cooled scarce capacity related, by increasing blower aperture, it is strong cold and extend cooling segment length can be with
Improved；Second, the gren rod center portion that the center segregation of continuous casting billet is brought is segregated tissue, such as retained austenite, geneva
Body, bainite structure cause wire rod plasticity index to decline, can mitigate by adjusting air-cooled line cooling technique；Third, wire rod
[H], [N] content and wire rod structural stress bring plasticity deteriorate.These three aspects cover steel rolling field and cause high-carbon steel disk
The main reason for plasticity index is bad.
The contraction percentage of area of high-carbon steel is to measure the important indicator of material plasticity, and the contraction percentage of area of carbon steel wire rod with high is in heat
Roll the true value that can be only achieved material under rear room temperature after ageing treatment 3-12 days, the hydrogen in the main releasable material of ageing process
And residual stress.Results of property lag causes material to determine, delivery lags, to increase the production cost of material, material is sentenced
Fixed every lag 1 day, production cost need to increase about 0.5 yuan/ton.
The present invention is therefore.
Summary of the invention
The application is intended to provide a kind of artificial aging processing method of carbon steel wire rod with high, to solve in the prior art ask
Topic.
To achieve the goals above, according to the one aspect of the application, a kind of artificial aging of carbon steel wire rod with high is provided
Processing method, which is characterized in that the described method comprises the following steps:
(1) carbon steel wire rod with high is stacked in constant temperature oven inside holding, holding temperature control is at 100-150 DEG C, soaking time control
System is in 50-200min；
(2) furnace cooling, when coming out of the stove carbon steel wire rod with high surface temperature at 30-40 DEG C, control cooling time 30min with
On；
(3) room temperature is naturally cooled to, room temperature is controlled at 23 ± 5 DEG C.
Further technical solution is, in the method, fire door opening degree is controlled in 10- when furnace cooling in the method
30°。
Further technical solution is that the diameter of the method medium and high carbon steel wire rod is in 5.0-6.5mm, holding temperature control
At 100-150 DEG C, soaking time is controlled in 50-70min system.
Further technical solution is that the diameter of the method medium and high carbon steel wire rod is in 7.0-9.0mm, holding temperature control
At 100-150 DEG C, soaking time is controlled in 80-100min system.
Further technical solution is that the diameter of the method medium and high carbon steel wire rod is in 10.0-16.0mm, holding temperature
At 100-150 DEG C, soaking time is controlled in 110-130min for control.
Further technical solution is that the diameter of the method medium and high carbon steel wire rod is in 17.0mm or more, holding temperature
At 100-150 DEG C, soaking time is controlled in 180-240min for control.
Further technical solution is, the diameter of the method medium and high carbon steel wire rod is in 7.0mm or more, when furnace cooling
Between control in 55min or more.
Further technical solution is, the diameter of the method medium and high carbon steel wire rod is when being less than 7.0mm, when furnace cooling
Between control in 35min or more.
After adopting the above scheme, the present invention has the advantages that following prominent and effect compared with prior art:
The present invention designs the artificial aging processing method of carbon steel wire rod with high, to high-carbon steel curved beam low temperature artificial aging
Reason removes residual stress and hydrogen in material, accelerates the true plastic value for obtaining carbon steel wire rod with high, since hydrogen and residual stress are to material
The tensile strength contribution degree of material is very low, and tensile strength is without significant change after material discharges residual stress and hydrogen.With it is traditional from
Right aging regime ratio can accelerate the 2-11 days plasiticity index for obtaining wire rod after hot rolling.
The present invention designs the artificial aging processing method of carbon steel wire rod with high, suitable with the plasticity index of natural aging treatment,
Not will lead to wire rod tissue plasticity deteriorate, it has been confirmed by experiments that carbon steel wire rod with high through artificial aging processing method of the invention at
After reason, stable mechanical property.
Detailed description of the invention
Fig. 1 is the flow chart of the artificial aging processing method of one embodiment of the present of invention.
Specific embodiment
It is noted that following detailed description is all illustrative, it is intended to provide further instruction to the application.Unless another
It indicates, all technical and scientific terms used herein has usual with the application person of an ordinary skill in the technical field
The identical meanings of understanding.
It should be noted that term used herein above is merely to describe specific embodiment, and be not intended to restricted root
According to the illustrative embodiments of the application.As used herein, unless the context clearly indicates otherwise, otherwise singular
Also it is intended to include plural form, additionally, it should be understood that, when in the present specification using term "comprising" and/or " packet
Include " when, indicate existing characteristics, step, operation, device, component and/or their combination.
It should be noted that the description and claims of this application and term " first " in above-mentioned attached drawing, "
Two " etc. be to be used to distinguish similar objects, without being used to describe a particular order or precedence order.It should be understood that using in this way
Data be interchangeable under appropriate circumstances, so that presently filed embodiment described herein for example can be in addition to herein
Sequence other than those of diagram or description is implemented.In addition, term " includes " and " having " and their any deformation, it is intended that
Be to cover it is non-exclusive include, for example, containing the process, method, system, product or equipment of a series of steps or units not
Those of be necessarily limited to be clearly listed step or unit, but may include be not clearly listed or for these processes, side
The intrinsic other step or units of method, product or equipment.
For ease of description, spatially relative term can be used herein, as " ... on ", " ... top ",
" ... upper surface ", " above " etc., for describing such as a component shown in the figure or module or feature and other
The spatial relation of component or module or feature.It should be understood that spatially relative term be intended to comprising in addition to component or
Different direction in use or operation except orientation of person's module described in figure.For example, if component in attached drawing
Perhaps module is squeezed, be described as " above other component or module or construction " or " in other component or module or
On construction " component or module after will be positioned as " below other component or module or construction " or " at other
Under component or module or construction ".Thus, exemplary term " ... top " may include " ... top " and
" in ... lower section " two kinds of orientation.The component or module can also be positioned with other different modes (to be rotated by 90 ° or in other
Orientation), and respective explanations are made to the opposite description in space used herein above.
The purpose of the present invention is to provide a kind of artificial aging methods for being quickly obtained carbon steel wire rod with high plasiticity index, can solve
Certainly high-carbon steel due under room temperature aging time it is long, material determines, delivery lag, bring the problem of the production cost increases.
For achieving the above object, present invention employs following technical solutions:
The present invention provides a kind of specific embodiments:
A kind of artificial aging processing method of carbon steel wire rod with high, which comprises
(1) carbon steel wire rod with high is stacked in constant temperature oven inside holding, holding temperature control is at 100-150 DEG C, soaking time control
System is in 50-200min；
(2) furnace cooling, when coming out of the stove carbon steel wire rod with high surface temperature at 30-40 DEG C, control cooling time 30min with
On；
(3) room temperature is naturally cooled to, room temperature is controlled at 23 ± 5 DEG C.
Optimal process conditions are as shown in table 1:
The carbon steel wire rod with high artificial aging treatment process of 1 different size diameter of table
Technical principle of the invention is:
By the method to high-carbon steel mechanics sample low temperature artificial aging, residual stress and hydrogen in material are removed, accelerates to obtain
The true plastic value for taking carbon steel wire rod with high, since hydrogen and residual stress are very low to the tensile strength contribution degree of material, material is released
Tensile strength is without significant change after putting residual stress and hydrogen.With traditional natrual ageing mode ratio, the heat of acquisition in 2-11 days can be accelerated
Roll the plasiticity index of rear wire rod.
Examples 1 to 7:
Examples 1 to 7 proceeds as follows ageing treatment:
The mechanics sample that the carbon steel wire rod with high wire rod after hot rolling is taken by specification shown in table 2, by sample be placed on temperature >=
25 DEG C of thermostatic chamber is sent in 12 hours to constant temperature oven.Constant temperature oven uses resistance-type heating furnace ageing treatment, sets when constant temperature oven reaches
Sample is put into after determining 100-150 DEG C of temperature, sample is neatly put in furnace domestic demand single layer, to reserve certain sky between layers
Gap；Soaking time starts furnace cooling after reaching 60-120min, rationally controls the opening degree of fire door, controls the furnace cooling time
>=35min, the temperature of specimen surface≤+ 10 DEG C of room temperature, carries out mechanics properties testing again after sample is air-cooled to room temperature after coming out of the stove.
The ageing treatment parameter of 2 various specifications carbon steel wire rod with high wire rod of table
Multiple steel grade specification high-carbon steel are detected after the processing of the artificial aging of the present embodiment and natural aging treatment, power
It learns in test process, the operating ambient temperature of stretching-machine should be 23 ± 5 DEG C.The test result of mechanical property is as shown in table 3.
Carbon steel wire rod with high of the present invention is through artificial aging processing mode of the invention and natural aging treatment it has been confirmed by experiments that,
It can accelerate the 2-11 days plasiticity index for obtaining wire rod after hot rolling, and plasticity deterioration is unobvious.
The foregoing is merely preferred embodiment of the present application, are not intended to limit this application, for the skill of this field
For art personnel, various changes and changes are possible in this application.Within the spirit and principles of this application, made any to repair
Change, equivalent replacement, improvement etc., should be included within the scope of protection of this application.
Claims (8)
1. a kind of artificial aging processing method of carbon steel wire rod with high, which is characterized in that the described method comprises the following steps:
(1) carbon steel wire rod with high is stacked in constant temperature oven inside holding, at 100-150 DEG C, soaking time control exists for holding temperature control
50-200min；
(2) furnace cooling, at 30-40 DEG C, cooling time controls in 30min or more carbon steel wire rod with high surface temperature when coming out of the stove；
(3) room temperature is naturally cooled to, room temperature is controlled at 23 ± 5 DEG C.
2. artificial aging processing method according to claim 1, which is characterized in that fire door when furnace cooling in the method
Opening degree is controlled at 10-30 °.
3. artificial aging processing method according to claim 1, which is characterized in that
For the diameter of the method medium and high carbon steel wire rod in 5.0-6.5mm, holding temperature control is at 100-150 DEG C, soaking time
Control is in 50-70min.
4. artificial aging processing method according to claim 1, which is characterized in that
For the diameter of the method medium and high carbon steel wire rod in 7.0-9.0mm, holding temperature control is at 100-150 DEG C, soaking time
Control is in 80-100min.
5. artificial aging processing method according to claim 1, which is characterized in that
In 10.0-16.0mm, holding temperature is controlled at 100-150 DEG C, heat preservation the diameter of the method medium and high carbon steel wire rod
Between control in 110-130min.
6. artificial aging processing method according to claim 1, which is characterized in that
For the diameter of the method medium and high carbon steel wire rod in 17.0mm or more, holding temperature control is at 100-150 DEG C, soaking time
Control is in 180-240min.
7. artificial aging processing method according to claim 1, which is characterized in that
In 7.0mm or more, the furnace cooling time controls in 55min or more the diameter of the method medium and high carbon steel wire rod.
8. artificial aging processing method according to claim 1, which is characterized in that
When being less than 7.0mm, the furnace cooling time controls in 35min or more the diameter of the method medium and high carbon steel wire rod.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110564942A (en) * | 2019-09-16 | 2019-12-13 | 江苏沙钢集团有限公司 | Artificial aging treatment method for high-strength anti-seismic reinforcing steel bar of 630Mpa or above |
| CN111999177A (en) * | 2020-06-23 | 2020-11-27 | 陕钢集团汉中钢铁有限责任公司 | YL82B mechanical property detection method |
| CN113481360A (en) * | 2021-07-02 | 2021-10-08 | 大连环新精密特钢股份有限公司 | Method and device for quickly aging spring steel wire by hot oil |
| CN114262784A (en) * | 2021-12-31 | 2022-04-01 | 嘉兴市新大金属有限公司 | Low-temperature artificial aging treatment technology for high-carbon steel sample |
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| CN101886162A (en) * | 2010-06-22 | 2010-11-17 | 武汉科技大学 | Method for simulating natural aging of low-carbon hot-rolled steel bars and wires |
| CN102162027A (en) * | 2011-03-30 | 2011-08-24 | 首钢水城钢铁（集团）有限责任公司 | Artificial aging testing method for hot-rolled 82B coil rods |
| CN106353173A (en) * | 2016-09-08 | 2017-01-25 | 邢台钢铁有限责任公司 | Rapid ageing detecting method for high-carbon steel wire rod |
| CN107841606A (en) * | 2017-10-09 | 2018-03-27 | 江苏宝钢精密钢丝有限公司 | A kind of method for improving diamond wire bus Fracture Force and intensity |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101886162A (en) * | 2010-06-22 | 2010-11-17 | 武汉科技大学 | Method for simulating natural aging of low-carbon hot-rolled steel bars and wires |
| CN102162027A (en) * | 2011-03-30 | 2011-08-24 | 首钢水城钢铁（集团）有限责任公司 | Artificial aging testing method for hot-rolled 82B coil rods |
| CN106353173A (en) * | 2016-09-08 | 2017-01-25 | 邢台钢铁有限责任公司 | Rapid ageing detecting method for high-carbon steel wire rod |
| CN107841606A (en) * | 2017-10-09 | 2018-03-27 | 江苏宝钢精密钢丝有限公司 | A kind of method for improving diamond wire bus Fracture Force and intensity |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110564942A (en) * | 2019-09-16 | 2019-12-13 | 江苏沙钢集团有限公司 | Artificial aging treatment method for high-strength anti-seismic reinforcing steel bar of 630Mpa or above |
| CN110564942B (en) * | 2019-09-16 | 2021-01-12 | 江苏沙钢集团有限公司 | Artificial aging treatment method for high-strength anti-seismic reinforcing steel bar of 630Mpa or above |
| CN111999177A (en) * | 2020-06-23 | 2020-11-27 | 陕钢集团汉中钢铁有限责任公司 | YL82B mechanical property detection method |
| CN113481360A (en) * | 2021-07-02 | 2021-10-08 | 大连环新精密特钢股份有限公司 | Method and device for quickly aging spring steel wire by hot oil |
| CN114262784A (en) * | 2021-12-31 | 2022-04-01 | 嘉兴市新大金属有限公司 | Low-temperature artificial aging treatment technology for high-carbon steel sample |
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