CN108396128A - Control method for surface decarburization of bloom alloy tool steel wire - Google Patents
Control method for surface decarburization of bloom alloy tool steel wire Download PDFInfo
- Publication number
- CN108396128A CN108396128A CN201711215535.0A CN201711215535A CN108396128A CN 108396128 A CN108396128 A CN 108396128A CN 201711215535 A CN201711215535 A CN 201711215535A CN 108396128 A CN108396128 A CN 108396128A
- Authority
- CN
- China
- Prior art keywords
- tool steel
- alloy tool
- bloom
- steel wire
- fuel ratio
- Prior art date
- 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.)
- Pending
Links
- 229910001315 Tool steel Inorganic materials 0.000 title claims abstract description 53
- 229910045601 alloy Inorganic materials 0.000 title claims abstract description 50
- 239000000956 alloy Substances 0.000 title claims abstract description 50
- 238000000034 method Methods 0.000 title claims abstract description 46
- 238000005261 decarburization Methods 0.000 title claims abstract description 28
- 238000005096 rolling process Methods 0.000 claims abstract description 40
- 238000002791 soaking Methods 0.000 claims abstract description 33
- 239000000446 fuel Substances 0.000 claims abstract description 32
- 238000010438 heat treatment Methods 0.000 claims abstract description 29
- 238000001816 cooling Methods 0.000 claims abstract description 19
- 238000010583 slow cooling Methods 0.000 claims abstract description 8
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 16
- 229910052804 chromium Inorganic materials 0.000 claims description 10
- 229910052720 vanadium Inorganic materials 0.000 claims description 9
- 239000012535 impurity Substances 0.000 claims description 8
- 229910052742 iron Inorganic materials 0.000 claims description 8
- 239000000203 mixture Substances 0.000 claims description 8
- 229910052750 molybdenum Inorganic materials 0.000 claims description 8
- 229910052759 nickel Inorganic materials 0.000 claims description 8
- 229910052758 niobium Inorganic materials 0.000 claims description 8
- 239000000126 substance Substances 0.000 claims description 8
- 238000009413 insulation Methods 0.000 claims description 7
- 229910052748 manganese Inorganic materials 0.000 claims description 7
- 229910000831 Steel Inorganic materials 0.000 abstract description 16
- 239000010959 steel Substances 0.000 abstract description 16
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 230000010485 coping Effects 0.000 abstract 2
- 238000009987 spinning Methods 0.000 abstract 2
- 239000011651 chromium Substances 0.000 description 9
- 238000009749 continuous casting Methods 0.000 description 7
- 230000007547 defect Effects 0.000 description 4
- 229910000639 Spring steel Inorganic materials 0.000 description 3
- 229910052799 carbon Inorganic materials 0.000 description 3
- 230000000052 comparative effect Effects 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 238000010273 cold forging Methods 0.000 description 2
- 230000009466 transformation Effects 0.000 description 2
- 229910019582 Cr V Inorganic materials 0.000 description 1
- 238000005275 alloying Methods 0.000 description 1
- 238000005262 decarbonization Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007519 figuring Methods 0.000 description 1
- 230000000116 mitigating effect Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
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
- C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
- C21D8/06—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of rods or wires
- C21D8/065—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of rods or wires of ferrous alloys
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (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)
- Metal Rolling (AREA)
Abstract
The invention discloses a control method for decarburization on the surface of a bloom alloy tool steel wire rod. In the invention, the cogging is rolled into an intermediate billet, the temperature of a soaking zone is 1180-1200 ℃, the furnace time is 250-280min, the air-fuel ratio of a preheating zone and a heating zone is 0.95-1.0, and the air-fuel ratio of the soaking zone is 0.65-0.70; fully grinding the surface and the corner of the intermediate blank after cogging, wherein the single side of the surface is ground by 1.0-1.5mm, and the grinding depth of the chamfer is 2.0-2.5 mm; rolling the intermediate billet, wherein the temperature of a soaking section is 1040-1060 ℃, the furnace time is 60-70min, the air-fuel ratio of a preheating section and a heating section is 0.95-1.0, and the air-fuel ratio of the soaking section is 0.6-0.65; the finish rolling temperature is 910-925 ℃, the spinning temperature is 835-845 ℃, the spinning temperature is rapidly cooled to 660-700 ℃ at the cooling speed of 6-9 ℃/s, and then the steel wire enters a heat-preserving cover for slow cooling. According to the invention, through optimizing the heating process, the coping process, the rolling process and the cooling process, the decarburized layer on the surface of the wire rod is reduced, the thickness of the decarburized layer is less than or equal to 50 microns, the on-site production and implementation are facilitated, the coping efficiency is improved, the steel loss is reduced, and the quality stability is ensured.
Description
Technical field
The invention belongs to alloy tool steel production technical field, specifically a kind of bloom alloy tool steel wire rod table
The control method of emaciated face carbon.
Background technology
Alloy tool steel wire rod is for making industrial flow-line screwdriver bit, the hand-operated tools such as die nut, cross rise,
To quality, the service life, safety and it is professional require all very high, this tool steel is to add based on the alloying elements such as Cr, Mo, V, tool
Have high rigidity, a high-wearing feature, hardness 60HRC or more after heat treatment, it is insufficient to overcome Cr-V systems tool steel hardness, wearability compared with
Difference, service life shorter problem.The decarburization of tool steel wire rod is affected to case hardness, fatigue life, resistance to delay fracture etc., therefore controls
Practical decarburized depth processed, it is one of main technological difficulties of alloy tool steel wire rod to avoid the occurrence of Fully decarburized layer.
It focuses mostly at present to alloy tool steel surface decarburization and controls the hand of decarburized layer in laboratory research, industrialized production
Section is few, and decarburized layer controlled level is not high.Mainly bearing steel, spring steel, cold-forging steel and the cord steel now reported both at home and abroad
Decarburized layer control means are rarely reported the process for controlling alloy tool steel decarburized layer by optimize technique.
Patent CN105132657A discloses a kind of method mitigating high-carbon-chromium bearing steel wire surface decarburized layer, bearing steel
Through bloom cogging, blank reconditioning and controls the means such as cold and controls decarburization control furnace temp, but it is big to the reconditioning quality of blank and
Reconditioning range is wide, and steel loss late is also more.Patent CN102899470A discloses a kind of medium carbon cold heading steel wire rod superficial decarbonization
Control method, cold-forging steel controls decarburization by controlling furnace temp and atmosphere, the means such as cooling control after rolling, be 150mm ×
The direct stocking of 150mm small billets does not clear up blank surface decarburization with defect.Patent CN102560046A discloses one
The control method of kind surface decarburization of spring steel wires, 55SiCr spring steel, which passes through, controls furnace temp and time, cooling control after rolling
Decarburized layer is reduced, is 150mm × 150mm small billets direct stockings, continuous casting billet skin decarburization and defect is not cleared up.
Patent CN103305675A discloses a kind of control method of steel cord gren rod surface-carburized layer, and cord steel passes through control
Preheating section, the time of bringing-up section and soaking zone and temperature, the means such as cooling control after rolling reduce practical decarburized depth, by 150mm ×
Stocking after 150mm small billet figuring of surfaces, though furnace temp can control, to heating furnace atmosphere and different positions
The reconditioning quality set does not take control.
The above invention largely be directed to small billet, while heating, reconditioning during accurately measure decarburized layer with
And the reconditioning quality of control blank different location, the mode of production be not fine.
Invention content
The purpose of the present invention is to provide a kind of control methods of bloom alloy tool steel wire surface decarburization, using conjunction
Golden tool steel bloom split rolling method is at intermediate base, by determining among alloy tool steel the suitable reconditioning quality of base and relatively narrow repairing
Range is ground, in conjunction with to furnace temp, the optimization of the techniques such as time and atmosphere can control practical decarburized depth, reduce steel loss
Rate.
In order to solve the above technical problems, the present invention adopts the following technical scheme that：
A kind of control method of bloom alloy tool steel wire surface decarburization, including cogging, reconditioning, rolling and steyr
The control that rubs is cold, wherein：
(1) cogging：Alloy tool steel bloom cogging, heating furnace soaking zone temperature are 1180-1200 DEG C, time inside furnace
250-280min, preheating section and bringing-up section air-fuel ratio 0.95-1.0, soaking zone air-fuel ratio 0.65-0.70；
(2) reconditioning：Intermediate base after cogging, the unilateral reconditioning 1.0-1.5mm in surface, chamfering grinding depth are 2.0-2.5mm；
(3) it rolls：Billet rolling after reconditioning, heating furnace soaking zone temperature are 1040-1060 DEG C, time inside furnace 60-
70min, preheating section and bringing-up section air-fuel ratio 0.95-1.0, soaking zone air-fuel ratio 0.6-0.65,910-925 DEG C of final rolling temperature are spat
835-845 DEG C of temperature of silk；
(4) stelmor control is cold：It is quickly cooled to 660-700 DEG C with 6-9 DEG C/s cooling rates, subsequently enters insulation cover slow cooling.
Further, alloy tool steel bloom in the control method of the bloom alloy tool steel wire surface decarburization
For (280-320) mm × (380-420) mm, intermediate base is (140-150) mm2。
Further, alloy tool steel wire rod in the control method of the bloom alloy tool steel wire surface decarburization
Chemical composition comprises the following components in percentage by weight includes：C 0.62-0.69%, Si 0.90-1.20%, Mn0.40-0.60%, Cr
0.20-0.40%, V 0.10-0.30%, Ni 0.10-0.30%, Mo 0.35-0.55%, Nb 0.01-0.035%, surplus
For iron and inevitable impurity.
Further, bloom alloy tool in the control method of the bloom alloy tool steel wire surface decarburization
Steel wire rod product specification is Φ 5.5- Φ 14mm.
Compared with prior art, the present invention at least has the advantages that：
The present invention is optimized by bloom heating process, reduces practical decarburized depth, it is possible to reduce intermediate base reconditioning quality；According to
Intermediate base decarburization and defect experimental result, determine surface and corner grinding depth, can industrialize execution, remove decarburized layer and defect
While reduce steel loss late；According to intermediate base decarburization sensitive temperature experimental result, intermediate base heating and rolling mill practice are determined,
Effectively reduce heating and cooling procedure decarburization.The present invention is not in the case where increasing equipment, by optimizing heating process, reconditioning work
Skill, rolling mill practice and cooling technique reduce wire surface decarburized layer, and practical decarburized depth≤50 μm are implemented convenient for produced on-site,
Grinding efficiency is promoted, steel loss is reduced, ensures quality stability.
Description of the drawings
Fig. 1 is alloy tool steel wire surface decarburized structure photo in the embodiment of the present invention 1；
Fig. 2 is alloy tool steel wire surface decarburized structure photo in the embodiment of the present invention 2；
Fig. 3 is alloy tool steel wire surface decarburized structure photo in the embodiment of the present invention 3；
Fig. 4 is alloy tool steel wire surface decarburized structure photo in the embodiment of the present invention 4；
Fig. 5 is alloy tool steel wire surface decarburized structure photo in the embodiment of the present invention 5；
Fig. 6 is alloy tool steel wire surface decarburized structure photo in comparative example of the present invention.
Specific implementation mode
Embodiment 1
It is that 291mm × 395mm continuous casting blooms carry out cogging to cross dimensions in the present embodiment, intermediate base cross dimensions is
142mm × 145mm, rolls the alloy tool steel wire rod of a diameter of 5.5mm, and the control method of wire surface decarburization is specially：
Cogging technics：1192 DEG C, time inside furnace 265min of alloy tool steel bloom cogging heating furnace soaking temperature, preheating
Section and bringing-up section air-fuel ratio 0.97, soaking zone air-fuel ratio 0.67.
Thinning technique：The intermediate base unilateral reconditioning 1.3mm in surface after cogging, chamfering grinding depth are 2.2mm.
Rolling mill practice：Billet rolling after reconditioning, heating furnace soaking temperature are 1051 DEG C, time inside furnace 68min, preheating section
With bringing-up section air-fuel ratio 0.98, soaking zone air-fuel ratio 0.64,923 DEG C of final rolling temperature, 841 DEG C of laying temperature.
The cold technique of stelmor control：675 DEG C are quickly cooled to 7 DEG C/s cooling rates after rolling, subsequently enters insulation cover slow cooling.
The chemical composition of alloy tool steel wire rod obtained is by weight percentage：C：0.65%, Si：1.07%, Mn：
0.52%, Cr：0.31%, V：0.23%, Ni：0.18%, Mo：0.45%, Nb：0.023%, surplus is for iron and inevitably
Impurity.
This example passes through to bloom furnace temp and control climate, intermediate base cogging reconditioning, intermediate base heating, rolling
With the control of cooling technique, wire surface practical decarburized depth is 14 μm, no Fully decarburized layer, as shown in Figure 1.
Embodiment 2
It is that 300mm × 381mm continuous casting blooms carry out cogging to cross dimensions in the present embodiment, intermediate base cross dimensions is
141mm × 143mm, rolls the alloy tool steel wire rod of a diameter of 8mm, and the control method of wire surface decarburization is specially：
Cogging technics：1196 DEG C, time inside furnace 274min of alloy tool steel bloom cogging heating furnace soaking temperature, preheating
Section and bringing-up section air-fuel ratio 0.96, soaking zone air-fuel ratio 0.68.
Thinning technique：The intermediate base unilateral reconditioning 1.1mm in surface after cogging, chamfering grinding depth are 2.3mm.
Rolling mill practice：Billet rolling after reconditioning, heating furnace soaking temperature are 1047 DEG C, time inside furnace 66min, preheating section
With bringing-up section air-fuel ratio 0.96, soaking zone air-fuel ratio 0.64,920 DEG C of final rolling temperature, 839 DEG C of laying temperature.
The cold technique of stelmor control：675 DEG C are quickly cooled to 7 DEG C/s cooling rates after rolling, subsequently enters insulation cover slow cooling.
The chemical composition of alloy tool steel wire rod obtained is by weight percentage：C：0.64%, Si：1.02%, Mn：
0.53%, Cr：0.27%, V：0.20%, Ni：0.21%, Mo：0.44%, Nb：0.025%, surplus is for iron and inevitably
Impurity.
This example passes through to bloom furnace temp and control climate, intermediate base cogging reconditioning, intermediate base heating, rolling
With the control of cooling technique, wire surface practical decarburized depth is 21 μm, no Fully decarburized layer, as shown in Figure 2.
Embodiment 3
It is that 315mm × 393mm continuous casting blooms carry out cogging to cross dimensions in the present embodiment, intermediate base cross dimensions is
144mm × 148mm, rolls the alloy tool steel wire rod of a diameter of 10mm, and the control method of wire surface decarburization is specially：
Cogging technics：Alloy tool steel 300mm × 390mm bloom coggings, 1192 DEG C of heating furnace soaking zone temperature, in stove
Time 271min, preheating section and bringing-up section air-fuel ratio 0.95, soaking zone air-fuel ratio 0.67.
Thinning technique：It is base among 140mm × 140mm after cogging, the unilateral reconditioning 1.4mm in surface, chamfering grinding depth is
2.2mm。
Rolling mill practice：Billet rolling after reconditioning, heating furnace soaking zone temperature are 1055 DEG C, time inside furnace 68min, preheating
Section and bringing-up section air-fuel ratio 0.98, soaking zone air-fuel ratio 0.64,915 DEG C of final rolling temperature, 839 DEG C of laying temperature.
The cold technique of stelmor control：670 DEG C are quickly cooled to 8 DEG C/s cooling rates after rolling, subsequently enters insulation cover slow cooling.
The chemical composition of alloy tool steel wire rod obtained is by weight percentage：C：0.66%, Si：1.12%, Mn：
0.49%, Cr：0.28%, V：0.21%, Ni：0.20%, Mo：0.46%, Nb：0.022%, surplus is for iron and inevitably
Impurity.
This example passes through to bloom furnace temp and control climate, intermediate base cogging reconditioning, intermediate base heating, rolling
With the control of cooling technique, wire surface practical decarburized depth is 33 μm, no Fully decarburized layer, as shown in Figure 3.
Embodiment 4
It is that 294mm × 402mm continuous casting blooms carry out cogging to cross dimensions in the present embodiment, intermediate base cross dimensions is
146mm × 147mm, rolls the alloy tool steel wire rod of a diameter of 12mm, and the control method of wire surface decarburization is specially：
Cogging technics：1193 DEG C, time inside furnace 275min of alloy tool steel bloom heating furnace soaking zone temperature, preheating section
With bringing-up section air-fuel ratio 0.96, soaking zone air-fuel ratio 0.69.
Thinning technique：It is the unilateral reconditioning 1.2mm in intermediate base surface after cogging, chamfering grinding depth is 2.4mm.
Rolling mill practice：Billet rolling after reconditioning, heating furnace soaking zone temperature are 1057 DEG C, time inside furnace 67min, preheating
Section and bringing-up section air-fuel ratio 0.98, soaking zone air-fuel ratio 0.64,915 DEG C of final rolling temperature, 839 DEG C of laying temperature.
The cold technique of stelmor control：682 DEG C are quickly cooled to 8 DEG C/s cooling rates after rolling, subsequently enters insulation cover slow cooling.
The chemical composition of alloy tool steel wire rod obtained is by weight percentage：C：0.67%, Si：1.01%, Mn：
0.54%, Cr：0.29%, V：0.20%, Ni：0.19%, Mo：0.47%, Nb：0.021%, surplus is for iron and inevitably
Impurity.
This example passes through to bloom furnace temp and control climate, intermediate base cogging reconditioning, intermediate base heating, rolling
With the control of cooling technique, wire surface practical decarburized depth is 37 μm, no Fully decarburized layer, as shown in Figure 4.
Embodiment 5
It is that 299mm × 416mm continuous casting blooms carry out cogging to cross dimensions in the present embodiment, intermediate base cross dimensions is
141mm × 142mm, rolls the alloy tool steel wire rod of a diameter of 14mm, and the control method of wire surface decarburization is specially：
Cogging technics：1191 DEG C, time inside furnace 273min of alloy tool steel bloom cogging heating furnace soaking zone temperature, in advance
Hot arc and bringing-up section air-fuel ratio 0.97, soaking zone air-fuel ratio 0.69.
Thinning technique：The intermediate base unilateral reconditioning 1.5mm in surface after cogging, chamfering grinding depth are 2.4mm.
Rolling mill practice：Billet rolling after reconditioning, heating furnace soaking zone temperature are 1050 DEG C, time inside furnace 65min, preheating
Section and bringing-up section air-fuel ratio 0.97, soaking zone air-fuel ratio 0.62,918 DEG C of final rolling temperature, 841 DEG C of laying temperature.
The cold technique of stelmor control：675 DEG C are quickly cooled to 8 DEG C/s cooling rates after rolling, subsequently enters insulation cover slow cooling.
The chemical composition of alloy tool steel wire rod obtained is by weight percentage：C：0.65%, Si：1.10%, Mn：
0.51%, Cr：0.33%, V：0.24%, Ni：0.21%, Mo：0.49%, Nb：0.024%, surplus is for iron and inevitably
Impurity.
This example passes through to bloom furnace temp and control climate, intermediate base cogging reconditioning, intermediate base heating, rolling
With the control of cooling technique, wire surface practical decarburized depth is 43 μm, no Fully decarburized layer, as shown in Figure 5.
Besides these examples, the present invention can also have other embodiment.It is all to use equivalent replacement or equivalent transformation shape
At technical solution, fall within the scope of protection required by the present invention.
Comparative example
It is that 312mm × 496mm continuous casting blooms carry out cogging to cross dimensions in the present embodiment, intermediate base cross dimensions is
143mm × 144mm rolls the alloy tool steel wire rod of a diameter of 8mm, wire surface Decarburization Control side not using the present invention
The chemical composition of method, alloy tool steel wire rod obtained is by weight percentage：C：0.65%, Si：1.10%, Mn：0.51%,
Cr：0.33%, V：0.24%, Ni：0.21%,
Mo：0.49%, Nb：0.024%, surplus is iron and inevitable impurity.The wire surface of comparative example is de-
Carbon layers having thicknesses are 78 μm, as shown in Figure 6.
Besides these examples, the present invention can also have other embodiment.It is all to use equivalent replacement or equivalent transformation shape
At technical solution, fall within the scope of protection required by the present invention.
Claims (4)
1. a kind of control method of bloom alloy tool steel wire surface decarburization, including cogging, reconditioning, rolling and stelmor
It controls cold, it is characterised in that：
(1) cogging：Alloy tool steel bloom cogging, heating furnace soaking zone temperature are 1180-1200 DEG C, time inside furnace 250-
280min, preheating section and bringing-up section air-fuel ratio 0.95-1.0, soaking zone air-fuel ratio 0.65-0.70；
(2) reconditioning：Intermediate base after cogging, the unilateral reconditioning 1.0-1.5mm in surface, chamfering grinding depth are 2.0-2.5mm；
(3) it rolls：Billet rolling after reconditioning, heating furnace soaking zone temperature are 1040-1060 DEG C, time inside furnace 60-70min,
Preheating section and bringing-up section air-fuel ratio 0.95-1.0, soaking zone air-fuel ratio 0.6-0.65,910-925 DEG C of final rolling temperature, laying temperature
835-845℃；
(4) stelmor control is cold：It is quickly cooled to 660-700 DEG C with 6-9 DEG C/s cooling rates, subsequently enters insulation cover slow cooling.
2. the control method of bloom alloy tool steel wire surface decarburization according to claim 1, it is characterised in that：Institute
The alloy tool steel bloom stated is (280-320) mm × (380-420) mm, and intermediate base is (140-150) mm2。
3. the control method of bloom alloy tool steel wire surface decarburization according to claim 1, it is characterised in that：Institute
The chemical composition comprises the following components in percentage by weight for stating alloy tool steel wire rod includes：C 0.62-0.69%, Si 0.90-1.20%, Mn
0.40-0.60%, Cr 0.20-0.40%, V 0.10-0.30%, Ni 0.10-0.30%, Mo 0.35-0.55%, Nb
0.01-0.035%, surplus are iron and inevitable impurity.
4. the control method of bloom alloy tool steel wire surface decarburization according to claim 1, it is characterised in that：Institute
It is Φ 5.5- Φ 14mm to state bloom alloy tool steel wire product specification.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711215535.0A CN108396128A (en) | 2017-11-28 | 2017-11-28 | Control method for surface decarburization of bloom alloy tool steel wire |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711215535.0A CN108396128A (en) | 2017-11-28 | 2017-11-28 | Control method for surface decarburization of bloom alloy tool steel wire |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108396128A true CN108396128A (en) | 2018-08-14 |
Family
ID=63093641
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711215535.0A Pending CN108396128A (en) | 2017-11-28 | 2017-11-28 | Control method for surface decarburization of bloom alloy tool steel wire |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108396128A (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110238230A (en) * | 2019-04-28 | 2019-09-17 | 江苏省沙钢钢铁研究院有限公司 | Production method of wire rod for ultrahigh-strength diamond wire |
| CN110648421A (en) * | 2019-09-12 | 2020-01-03 | 北京科技大学 | Method for calculating thickness of decarburized layer on surface of decarburized spring steel |
| CN110757256A (en) * | 2019-10-30 | 2020-02-07 | 南京钢铁股份有限公司 | Method for removing original decarburized layer of bloom |
| CN111254363A (en) * | 2020-03-31 | 2020-06-09 | 湖南华菱湘潭钢铁有限公司 | Production method of cord wire rod steel |
| CN111394555A (en) * | 2020-05-26 | 2020-07-10 | 江苏联峰实业有限公司 | GCr15 bearing steel with low decarburization depth and preparation method thereof |
| CN111926163A (en) * | 2020-07-03 | 2020-11-13 | 邢台钢铁有限责任公司 | Production method of bearing steel wire rod |
| CN112011742B (en) * | 2020-10-22 | 2021-01-22 | 江苏省沙钢钢铁研究院有限公司 | Wire rod for 5000MPa grade diamond wire and production method thereof |
| CN114405991A (en) * | 2022-03-01 | 2022-04-29 | 张家港荣盛特钢有限公司 | Cogging method for reducing surface decarburization depth of medium-high carbon steel blank |
| CN114855088A (en) * | 2022-05-25 | 2022-08-05 | 湖南华菱湘潭钢铁有限公司 | Production method for controlling depth of decarburized layer of tool steel wire rod |
| CN117051308A (en) * | 2023-08-24 | 2023-11-14 | 湖南华菱湘潭钢铁有限公司 | Production method of tool steel wire rod |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102560046A (en) * | 2012-02-21 | 2012-07-11 | 南京钢铁股份有限公司 | Method for controlling surface decarburization of spring steel wires |
| CN102899470A (en) * | 2012-11-05 | 2013-01-30 | 南京钢铁股份有限公司 | Method for controlling decarburization on surfaces of medium-carbon cold forging steel wires |
| CN103305675A (en) * | 2013-06-13 | 2013-09-18 | 攀钢集团成都钢钒有限公司 | Method for controlling surface decarburized layer of hot-finished rod for steel cord |
| CN104141039A (en) * | 2014-06-27 | 2014-11-12 | 河北工程大学 | Rolling technology for controlling decarbonization of 42CrMo steel bloom hot-rolled wire rod |
| CN105132657A (en) * | 2015-09-29 | 2015-12-09 | 邢台钢铁有限责任公司 | Method for decreasing decarburized layers on surfaces of high-carbon-chromium bearing steel wires |
-
2017
- 2017-11-28 CN CN201711215535.0A patent/CN108396128A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102560046A (en) * | 2012-02-21 | 2012-07-11 | 南京钢铁股份有限公司 | Method for controlling surface decarburization of spring steel wires |
| CN102899470A (en) * | 2012-11-05 | 2013-01-30 | 南京钢铁股份有限公司 | Method for controlling decarburization on surfaces of medium-carbon cold forging steel wires |
| CN103305675A (en) * | 2013-06-13 | 2013-09-18 | 攀钢集团成都钢钒有限公司 | Method for controlling surface decarburized layer of hot-finished rod for steel cord |
| CN104141039A (en) * | 2014-06-27 | 2014-11-12 | 河北工程大学 | Rolling technology for controlling decarbonization of 42CrMo steel bloom hot-rolled wire rod |
| CN105132657A (en) * | 2015-09-29 | 2015-12-09 | 邢台钢铁有限责任公司 | Method for decreasing decarburized layers on surfaces of high-carbon-chromium bearing steel wires |
Non-Patent Citations (2)
| Title |
|---|
| 刘学森: ""GCr15轴承钢盘条高线工艺开发"", 《天津冶金》 * |
| 陈鸿富: "《冶金炉热工与构造》", 30 November 1999, 北京：冶金工业出版社 * |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110238230A (en) * | 2019-04-28 | 2019-09-17 | 江苏省沙钢钢铁研究院有限公司 | Production method of wire rod for ultrahigh-strength diamond wire |
| CN110648421A (en) * | 2019-09-12 | 2020-01-03 | 北京科技大学 | Method for calculating thickness of decarburized layer on surface of decarburized spring steel |
| CN110757256A (en) * | 2019-10-30 | 2020-02-07 | 南京钢铁股份有限公司 | Method for removing original decarburized layer of bloom |
| CN110757256B (en) * | 2019-10-30 | 2021-10-26 | 南京钢铁股份有限公司 | Method for removing original decarburized layer of bloom |
| CN111254363A (en) * | 2020-03-31 | 2020-06-09 | 湖南华菱湘潭钢铁有限公司 | Production method of cord wire rod steel |
| CN111394555A (en) * | 2020-05-26 | 2020-07-10 | 江苏联峰实业有限公司 | GCr15 bearing steel with low decarburization depth and preparation method thereof |
| CN111926163A (en) * | 2020-07-03 | 2020-11-13 | 邢台钢铁有限责任公司 | Production method of bearing steel wire rod |
| CN112011742B (en) * | 2020-10-22 | 2021-01-22 | 江苏省沙钢钢铁研究院有限公司 | Wire rod for 5000MPa grade diamond wire and production method thereof |
| CN114405991A (en) * | 2022-03-01 | 2022-04-29 | 张家港荣盛特钢有限公司 | Cogging method for reducing surface decarburization depth of medium-high carbon steel blank |
| CN114405991B (en) * | 2022-03-01 | 2024-07-02 | 张家港荣盛特钢有限公司 | Cogging method for reducing decarburization depth of surface of medium-high carbon steel blank |
| CN114855088A (en) * | 2022-05-25 | 2022-08-05 | 湖南华菱湘潭钢铁有限公司 | Production method for controlling depth of decarburized layer of tool steel wire rod |
| CN117051308A (en) * | 2023-08-24 | 2023-11-14 | 湖南华菱湘潭钢铁有限公司 | Production method of tool steel wire rod |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108396128A (en) | Control method for surface decarburization of bloom alloy tool steel wire | |
| CN103707024B (en) | A kind of preparation method of high accuracy longitudinal shearing slitting blade | |
| CN102581145B (en) | Method for manufacturing high-hardness and high-abrasion-resistant pre-bending machine lower die | |
| CN110538874B (en) | Manufacturing method for producing drill rod joint by adopting seamless steel pipe | |
| CN103409688B (en) | Large forged high-speed steel cold roll and manufacturing method thereof | |
| CN110656294B (en) | Working roll special for tin-plating finisher and manufacturing method thereof | |
| CN105063492B (en) | Hot-strip of automobile friction and preparation method thereof | |
| CN104440009A (en) | Iron sheet cutter manufacturing method | |
| CN105088085A (en) | High-performance cold mill intermediate roll and preparation method thereof | |
| CN102676752A (en) | Thermal treatment process for die steel H13 of automobile forged piece | |
| CN108330386B (en) | Steel for saw blade and production method of hot rolled steel plate thereof | |
| CN105215641B (en) | The forging processing method of locking bolt | |
| WO2007119722A1 (en) | Process for producing steel material | |
| CN109371330A (en) | A kind of high tenacity high-speed steel and its preparation process | |
| JP5155739B2 (en) | Steel bar manufacturing method | |
| CN105436699A (en) | High-nitrogen steel stirring head for friction stir welding and manufacturing process thereof | |
| CN111850254B (en) | Method for preventing spline shaft from medium-frequency quenching deformation | |
| CN105441809A (en) | Super-hard high-speed steel and preparation method thereof | |
| CN104325061B (en) | The nickel-base alloy hammering block of a kind of side of forging band steel | |
| CN104451081A (en) | Production method for cold-rolled working roller | |
| CN112391582A (en) | Ultra-deep quench hardening layer forged steel cold rolling working roll and manufacturing method thereof | |
| CN110714158A (en) | Alloy steel seamless steel tube for geological drilling and machining method thereof | |
| CN108220583A (en) | A kind of preparation method of low defect high speed steel wire rod | |
| CN109252028B (en) | Production method of cold-rolled steel strip for high-carbon saw blade | |
| CN114752734B (en) | Hot rolling process method of X10CrAlSi18 heat-resistant stainless steel medium plate |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20180814 |
|
| WD01 | Invention patent application deemed withdrawn after publication |