CN109852777A - A kind of H13 mould steel and its heat treatment process - Google Patents
A kind of H13 mould steel and its heat treatment process Download PDFInfo
- Publication number
- CN109852777A CN109852777A CN201910049313.9A CN201910049313A CN109852777A CN 109852777 A CN109852777 A CN 109852777A CN 201910049313 A CN201910049313 A CN 201910049313A CN 109852777 A CN109852777 A CN 109852777A
- Authority
- CN
- China
- Prior art keywords
- temperature
- heat treatment
- furnace
- heat
- blank
- 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.)
- Granted
Links
- 238000010438 heat treatment Methods 0.000 title claims abstract description 98
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 60
- 239000010959 steel Substances 0.000 title claims abstract description 60
- 238000000034 method Methods 0.000 title claims abstract description 25
- 230000008569 process Effects 0.000 title claims abstract description 20
- 238000001816 cooling Methods 0.000 claims abstract description 16
- 238000010791 quenching Methods 0.000 claims abstract description 13
- 230000000171 quenching effect Effects 0.000 claims abstract description 13
- 238000010792 warming Methods 0.000 claims abstract description 6
- 229910002651 NO3 Inorganic materials 0.000 claims abstract description 5
- NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 claims abstract description 5
- 238000002791 soaking Methods 0.000 claims description 18
- 238000005242 forging Methods 0.000 claims description 14
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 4
- 229910052804 chromium Inorganic materials 0.000 claims description 2
- 239000012535 impurity Substances 0.000 claims description 2
- 229910052742 iron Inorganic materials 0.000 claims description 2
- 229910052748 manganese Inorganic materials 0.000 claims description 2
- 229910052750 molybdenum Inorganic materials 0.000 claims description 2
- 229910052720 vanadium Inorganic materials 0.000 claims description 2
- 238000005204 segregation Methods 0.000 abstract description 8
- 238000004321 preservation Methods 0.000 abstract description 6
- 238000005496 tempering Methods 0.000 abstract description 2
- 238000005275 alloying Methods 0.000 description 10
- 239000000463 material Substances 0.000 description 6
- 230000000052 comparative effect Effects 0.000 description 5
- 238000009792 diffusion process Methods 0.000 description 5
- 210000001787 dendrite Anatomy 0.000 description 4
- 238000000137 annealing Methods 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000004090 dissolution Methods 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 229910000734 martensite Inorganic materials 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000002929 anti-fatigue Effects 0.000 description 1
- 229910001566 austenite Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 229910052729 chemical element Inorganic materials 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000003750 conditioning effect Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000007323 disproportionation reaction Methods 0.000 description 1
- 230000005496 eutectics Effects 0.000 description 1
- 238000001192 hot extrusion Methods 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 150000001247 metal acetylides Chemical class 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008520 organization Effects 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 230000010415 tropism Effects 0.000 description 1
Abstract
The invention discloses a kind of H13 mould steel and its heat treatment process, H13 mould steel is obtained by being heat-treated and quenching twice with tempering；Wherein, primary heat treatment is that H13 blank is fitted into heat-treatment furnace, and successively temperature is to 550~570 DEG C, 850~900 DEG C and 1000~1050 DEG C, and heat preservation a period of time at the corresponding temperature, then abrupt wind quickly cooling；Secondary heat treatment is that the H13 blank after primary heat treatment is successively warming up to 630~650 DEG C, 900~950 DEG C and 1100 DEG C, and a period of time is kept the temperature at the corresponding temperature, it is then placed in quenching nitrate furnace and is quenched, finally by quenched H13 blank heating to 550~600 DEG C, it is cooled to room temperature, that is, completes heat treatment.Using heat treatment process in the present invention, the segregation of H13 mold structure of steel can be effectively effectively reduced, impact flexibility, thermal fatigue resistance are improved, and service life greatly prolongs.
Description
Technical field
The invention belongs to mould steel technical field of heat treatment, and in particular to a kind of H13 mould steel and its heat treatment process.
Background technique
H13 steel is a kind of tough air-cooled hardenability hot die steel having both, because it is with good heat resistance, red hard
Property, higher toughness, thermal fatigue resistance and heat resistanceheat resistant corrosion, have been widely used in hot-forging die, aluminium alloy casting die and hot extrusion
Mould.H13 hot die steel contains 8% alloying element, and in process of setting, due to choosing point crystallization, ingot casting center portion exists serious
Dendritic segregation, meanwhile, be enriched a large amount of dystectic blocky eutectic carbides in interdendritic.It is provided on domestic market
Some H13 hot-work die steel forging materials, even across high temperature diffusion annealing and conditioning treatment, but material still remains tissue not
, the problems such as unstable mechanical property.Material structure unevenness is mainly shown as that banded structure is more serious and annealed structure crystal grain
Size is uneven, wherein the transverse impact toughness of material is greatly reduced in the presence of banded structure, make material have it is apparent respectively to
The opposite sex, i.e., the tropisms such as are poor；The crystallite dimension of annealed structure is uneven, and mixed grain structure is shown as when serious, will seriously affect material
Impact flexibility reduces anti-fatigue performance.Therefore, by reasonable heat treatment, the even tissue of H13 hot die steel is improved
Property, it is the effective way for improving die life.
Summary of the invention
For the above-mentioned prior art, the present invention provides a kind of H13 mold steel heat treatment process, to solve H13 mould steel power
Learn the unstable technical problem of performance.
In order to achieve the above object, the technical scheme adopted by the invention is that: a kind of H13 mold steel heat treatment work is provided
Skill, which comprises the following steps:
(1) primary heat treatment: the H13 blank after forging is air-cooled to 450~500 DEG C, the temperature is in martensite point
More than, it can be effectively prevent the transformation of martensite, H13 mould steel is made to keep higher hardness；It is then charged into heat-treatment furnace, with 10
Furnace temperature is risen to 550~570 DEG C by the heating rate of~20 DEG C/h, keeps the temperature 2~3h, after the processing, H13 blank internal and external temperature
It is consistent, can avoid causing metallographic structure misgrowth due to temperature distributing disproportionation in subsequent processes, steel
Metallographic structure distribution is more uniform；Furnace temperature is risen to 850~900 DEG C with the heating rate of 25~50 DEG C/h again, keeps the temperature 1~2h,
After the processing, the tree crystalline substance of steel organization internal and the segregation area of tree intergranular are destroyed；Then quickly furnace temperature is risen to
1000~1050 DEG C, 8~10h is kept the temperature, in the process, carbide dissolution is into austenite, and alloying element phase counterdiffusion,
It can be effectively improved the segregation of alloying element, steel tissue further tends to uniformly；Again by abrupt wind quickly cooling, by the temperature of H13 blank
Degree is down to 350~400 DEG C, and abrupt wind quickly cooling can be such that the carbide of dissolution is quickly precipitated without growing up, and is evenly distributed on matrix,
And the carbide being precipitated is tiny, breaks netted and chain carbide, and alloying element has little time to spread, and segregation is obviously changed
It is kind.
(2) secondary heat treatment: it will be put into heat-treatment furnace by the H13 blank of step (1) processing, be once warming up to 630
It~650 DEG C and keeps the temperature, soaking time is that 80~100s/mm can reduce the distortion of golden intra-die after the processing, is reduced
Distortion energy, so that intra-die is more uniform；Then secondary temperature elevation to 900~950 DEG C and is kept the temperature, soaking time be 120~
150s/mm；It is warming up to 1100 DEG C three times again and keeps the temperature, 40~60s/mm of soaking time, after above-mentioned processing, golden intra-die
Most of dislocation be eliminated, can avoid the limitation that move to solute atoms of dislocation, the optimal diffusion of steel institutional framework acquisition
Condition；
(3) quenching cooling: the quenching salt made from earth containing a comparatively high percentage of sodium chloride that temperature is 200~220 DEG C will be placed in by the H13 blank of step (2) processing
In furnace, its temperature is down to 450~500 DEG C, is then air-cooled to 100~120 DEG C；
(4) it is tempered: by the H13 blank heating by step (3) processing to 550~600 DEG C, keeping the temperature 4~6h, it is then air-cooled
To room temperature, heat treatment is completed.By quenching with after tempering, the intensity and toughness of steel are promoted.
Based on the above technical solution, the present invention can also be improved as follows.
Further, in step (1) furnace temperature of heat-treatment furnace at 300 DEG C or less.
Further, the speed once to heat up in step (2) is 10~20 DEG C/h, and secondary temperature elevation speed is 10~20 DEG C/h,
Heating rate is 5~10 DEG C/h three times.
Using the heat treatment process in the present invention, a kind of available H13 mould steel of good mechanical performance is obtained
H13 mould steel includes the following components'mass percentage: C 0.38~0.43%, Si 0.85~1.20%, Mn 0.2~
0.4%, Cr 4.80~5.50%, Mo 1.26~1.68%, V 0.80~1.20%, P≤0.02, S≤0.01, surplus are iron
With inevitable impurity.
The beneficial effects of the present invention are: heat treatment process in the present invention can be destroyed in steel tissue by being once heat-treated
Dendrite, change the diffusional environment of alloying element.Then pass through secondary heat treatment, promote the abundant diffusion of alloying element, from
And successfully eliminate the banded structure in H13 mould steel.Using the heat treatment process in the present invention, H13 mould steel can be effectively improved
Degree of purity and consistency, reduce the segregation of tissue, impact flexibility, thermal fatigue resistance are improved, and service life greatly prolongs.
Specific embodiment
Below with reference to embodiment, specific embodiments of the present invention will be described in detail.
Embodiment one
A kind of H13 mold steel heat treatment process, comprising the following steps:
(1) the H13 blank (having a size of 1120mm × 690mm × 170mm) after forging primary heat treatment: is air-cooled to 450
DEG C, it is then charged into the heat-treatment furnace that furnace temperature is 300 DEG C, furnace temperature is risen to 550 DEG C with the heating rate of 15 DEG C/h, keeps the temperature 3h,
Furnace temperature is risen to 850 DEG C with the heating rate of 25 DEG C/h again, keeps the temperature 2h, furnace temperature is quickly then risen to 1000 DEG C, keeps the temperature 10h,
Again by abrupt wind quickly cooling, the temperature of H13 blank is down to 350 DEG C；
(2) secondary heat treatment: will be put into the heat-treatment furnace that furnace temperature is 300 DEG C by the H13 blank of step (1) processing,
Furnace temperature is risen to 630 DEG C with the heating rate of 10 DEG C/h and is kept the temperature, soaking time be 100s/mm (the every increase 1mm of thickness of steel product,
Holding time 100s)；Then furnace temperature is risen to 900 DEG C with the heating rate of 10 DEG C/h and kept the temperature, soaking time 150s/
mm；Furnace temperature is risen to 1100 DEG C with the heating rate of 5 DEG C/h again and is kept the temperature, soaking time 60s/mm；
(3) quenching cooling: will be placed in the quenching nitrate furnace that temperature is 200 DEG C by the H13 blank of step (2) processing,
Its temperature is down to 450 DEG C, is then air-cooled to 100 DEG C；
(4) it is tempered: by the H13 blank heating by step (3) processing to 550 DEG C, keeping the temperature 6h, be then air-cooled to room temperature,
Complete heat treatment.
Embodiment two
A kind of H13 mold steel heat treatment process, comprising the following steps:
(1) the H13 blank (having a size of 1120mm × 690mm × 170mm) after forging primary heat treatment: is air-cooled to 480
DEG C, it is then charged into the heat-treatment furnace that furnace temperature is 280 DEG C, furnace temperature is risen to 560 DEG C with the heating rate of 10 DEG C/h, heat preservation
2.5h, then furnace temperature is risen to 870 DEG C with the heating rate of 40 DEG C/h, 2h is kept the temperature, furnace temperature is quickly then risen to 1050 DEG C, heat preservation
10h, then by abrupt wind quickly cooling, the temperature of H13 blank is down to 370 DEG C；
(2) secondary heat treatment: will be put into the heat-treatment furnace that furnace temperature is 280 DEG C by the H13 blank of step (1) processing,
Furnace temperature is risen to 640 DEG C with the heating rate of 15 DEG C/h and is kept the temperature, soaking time 90s/mm；Then with the heating speed of 15 DEG C/h
Furnace temperature is risen to 930 DEG C and kept the temperature by degree, soaking time 130s/mm；Furnace temperature is risen to 1100 with the heating rate of 10 DEG C/h again
DEG C and keep the temperature, soaking time 50s/mm；
(3) quenching cooling: will be placed in the quenching nitrate furnace that temperature is 200 DEG C by the H13 blank of step (2) processing,
Its temperature is down to 470 DEG C, is then air-cooled to 110 DEG C；
(4) it is tempered: by the H13 blank heating by step (3) processing to 570 DEG C, keeping the temperature 5h, be then air-cooled to room temperature,
Complete heat treatment.
Embodiment three
A kind of H13 mold steel heat treatment process, comprising the following steps:
(1) the H13 blank (having a size of 1120mm × 690mm × 170mm) after forging primary heat treatment: is air-cooled to 500
DEG C, it is then charged into the heat-treatment furnace that furnace temperature is 250 DEG C, furnace temperature is risen to 570 DEG C with the heating rate of 20 DEG C/h, keeps the temperature 2h,
Furnace temperature is risen to 900 DEG C with the heating rate of 50 DEG C/h again, keeps the temperature 1h, furnace temperature is quickly then risen to 1050 DEG C, keeps the temperature 8h, then
By abrupt wind quickly cooling, the temperature of H13 blank is down to 400 DEG C；
(2) secondary heat treatment: will be put into the heat-treatment furnace that furnace temperature is 250 DEG C by the H13 blank of step (1) processing,
Furnace temperature is risen to 650 DEG C with the heating rate of 20 DEG C/h and is kept the temperature, soaking time 80s/mm；Then with the heating speed of 20 DEG C/h
Furnace temperature is risen to 950 DEG C and kept the temperature by degree, soaking time 120s/mm；Furnace temperature is risen to 1100 with the heating rate of 10 DEG C/h again
DEG C and keep the temperature, soaking time 40s/mm；
(3) quenching cooling: will be placed in the quenching nitrate furnace that temperature is 220 DEG C by the H13 blank of step (2) processing,
Its temperature is down to 500 DEG C, is then air-cooled to 120 DEG C；
(4) it is tempered: by the H13 blank heating by step (3) processing to 600 DEG C, keeping the temperature 4h, be then air-cooled to room temperature,
Complete heat treatment.
Comparative example one
A kind of heat treatment method of H13 mould steel, comprising the following steps:
(1) the H13 module after forging is air-cooled to 500 DEG C, be then placed in heat-treatment furnace, be warming up to 550 DEG C with furnace, protect
Warm 4h, wherein furnace temperature≤300 DEG C of heat-treatment furnace；
(2) heat treatment of first stage: furnace temperature is risen to 1000 DEG C, 9h is kept the temperature, module is taken out out of furnace, passes through abrupt wind
Quickly cooling makes module temperature be cooled to 350 DEG C；
(3) H13 module cooling in step (2) is put into heat-treatment furnace again, control heating speed adds H13 module
Heat keeps the temperature 4h to 650 DEG C；
(4) heat treatment of second stage: H13 module is heated to 820 DEG C with heat-treatment furnace in step (3), keeps the temperature 12h, control
Heating treatment furnace is cooling and H13 module is made to be cooled to 650 DEG C, keeps the temperature 4h, cools to 380 DEG C with the furnace, come out of the stove air-cooled, completes at heat
Reason, wherein heat-treatment furnace cooling velocity is 15 DEG C/h.
Comparative example two
A kind of H13 mould steel heat treatment method, comprising the following steps:
(1) technique being pulled out using two upsettings two, primary heating forging, primary heating are carried out to the steel ingot obtained by electroslag remelting
Forging includes the Heating Steel Ingots that will obtain by electroslag remelting to 850 DEG C~1180 DEG C, and wherein initial forging temperature is 1180 DEG C, finish-forging
Temperature is 850 DEG C；
(2) three stage isothermal holdings are carried out to the steel ingot by once forging, three stage isothermal holdings include:
First stage heat preservation, to 400 DEG C and is kept the temperature Heating Steel Ingots with the speed of 5 DEG C/min, soaking time 100s/
mm；
Second stage heat preservation, to 650 DEG C and is kept the temperature Heating Steel Ingots with the speed of 5 DEG C/min, soaking time 80s/mm；
Phase III heat preservation, to 900 DEG C and is kept the temperature Heating Steel Ingots with the speed of 4 DEG C/min, soaking time 90s/mm；
(3) annealing will be diffused by the steel ingot of isothermal holding；
(4) technique being pulled out using two upsettings two, twice heat forging is carried out to the steel ingot Jing Guo diffusion annealing；
(5) isothermal spheroidizing is carried out to gained steel ingot.
Interpretation of result
Chemical composition analysis and power are carried out to the mould steel that above-mentioned each experimental group obtains according to the standard of GB/T1299-2000
Performance detection is learned, wherein chemical component is listed in table 1, and mechanical property is listed in table 2.
The chemical element weight % of 1 H13 mould steel of table
From table 1 it follows that the compound national standard of H13 mould steel that each experimental group obtains.
The mechanical property of 2 H13 mould steel of table
| Hardness (HRC) | Tensile strength (MPa) | Impact flexibility (J/cm2) | Fracture toughness (MPam1/2) | |
| Embodiment one | 59.1 | 2112 | 50.1 | 92.1 |
| Embodiment two | 59.6 | 2098 | 49.8 | 90.2 |
| Embodiment three | 58.9 | 2143 | 49.2 | 91.8 |
| Comparative example one | 57.3 | 1865 | 40.4 | 76.7 |
| Comparative example two | 58.0 | 1890 | 39.8 | 79.3 |
From Table 2, it can be seen that the H13 mould steel hardness that each experimental group obtains is not much different, and use heat of the invention
Tensile strength, impact flexibility and the fracture toughness of H13 mould steel are substantially better than the H13 mold in comparative example after processing method processing
Steel, this may be to be heat-treated twice because heat treatment process of the invention uses, and not only break up the dendrite in steel tissue,
Change the diffusional environment of alloying element, and can promote the abundant diffusion of alloying element, successfully eliminates the band in H13 mould steel
Shape tissue, the degree of purity and consistency of steel reduce the segregation of tissue, and impact flexibility, thermal fatigue resistance are improved.Comparison text
Part 1 also goes through the heat treatment in two stages, although can a degree of destruction dendrite, the inabundant phase of alloying element
Counterdiffusion, segregation is serious, and steel Tissue distribution is uneven, and then produces influence to mechanical property.Documents 2 pass through
Three Duan Baowen are crossed, although the defect of golden intra-die can be reduced, the express passway of parallel alloying element, inside steel
Still there is more dendrite, and then influence is produced on mechanical property.
Although be described in detail to a specific embodiment of the invention in conjunction with the embodiments, should not be construed as to this
The restriction of the protection scope of patent.In range described by claims, those skilled in the art are without creative work
The various modifications and deformation that can make still belong to the protection scope of this patent.
Claims (5)
1. a kind of H13 mold steel heat treatment process, which comprises the following steps:
(1) primary heat treatment: being air-cooled to 450~500 DEG C for the H13 blank after forging, be then charged into heat-treatment furnace, with 10~
Furnace temperature is risen to 550~570 DEG C by the heating rate of 20 DEG C/h, keeps the temperature 2~3h, then with the heating rate of 25~50 DEG C/h by furnace temperature
850~900 DEG C are risen to, 1~2h is kept the temperature, furnace temperature is then quickly ramped up to 1000~1050 DEG C, keeps the temperature 8~10h, then pass through abrupt wind
The temperature of H13 blank is down to 350~400 DEG C by quickly cooling；
(2) secondary heat treatment: it will be put into heat-treatment furnace by the H13 blank of step (1) processing, be once warming up to 630~650
DEG C and keep the temperature, soaking time be 80~100s/mm；Then secondary temperature elevation to 900~950 DEG C and is kept the temperature, soaking time be 120~
150s/mm；It is warming up to 1100 DEG C three times again and keeps the temperature, 40~60s/mm of soaking time；
(3) quenching cooling: will be placed in the quenching nitrate furnace that temperature is 200~220 DEG C by the H13 blank of step (2) processing,
Its temperature is down to 450~500 DEG C, is then air-cooled to 100~120 DEG C；
(4) it is tempered: by the H13 blank heating by step (3) processing to 550~600 DEG C, keeping the temperature 4~6h, be then air-cooled to room
Temperature completes heat treatment.
2. H13 mold steel heat treatment process according to claim 1, it is characterised in that: the furnace of heat-treatment furnace in step (1)
Temperature is at 300 DEG C or less.
3. H13 mold steel heat treatment process according to claim 1, it is characterised in that: the speed once to heat up in step (2)
Degree is 10~20 DEG C/h, and secondary temperature elevation speed is 10~20 DEG C/h, and heating rate is 5~10 DEG C/h three times.
4. the H13 mould steel prepared using the described in any item H13 mold steel heat treatment process of claims 1 to 3.
5. H13 mould steel according to claim 4, which is characterized in that the H13 mould steel includes following mass percent
Component: C 0.38~0.43%, Si 0.85~1.20%, Mn 0.2~0.4%, Cr 4.80~5.50%, Mo 1.26~
1.68%, V 0.80~1.20%, P≤0.02, S≤0.01, surplus are iron and inevitable impurity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910049313.9A CN109852777B (en) | 2019-01-18 | 2019-01-18 | H13 die steel and heat treatment process thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910049313.9A CN109852777B (en) | 2019-01-18 | 2019-01-18 | H13 die steel and heat treatment process thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109852777A true CN109852777A (en) | 2019-06-07 |
| CN109852777B CN109852777B (en) | 2021-09-28 |
Family
ID=66895226
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910049313.9A Active CN109852777B (en) | 2019-01-18 | 2019-01-18 | H13 die steel and heat treatment process thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109852777B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110656289A (en) * | 2019-11-05 | 2020-01-07 | 大冶屹丰机械制造有限公司 | Alloy steel for high-strength aluminum profile extrusion die and manufacturing method thereof |
| CN112226587A (en) * | 2020-09-02 | 2021-01-15 | 杭州和源精密工具有限公司 | Manufacturing method of maintenance-free gold-type tool clamping plate |
| CN115896594A (en) * | 2022-11-09 | 2023-04-04 | 成都先进金属材料产业技术研究院股份有限公司 | High-strength high-toughness H13 die steel for aluminum extrusion and preparation method thereof |
| CN115896594B (en) * | 2022-11-09 | 2024-04-26 | 成都先进金属材料产业技术研究院股份有限公司 | High-strength and high-toughness H13 die steel for aluminum extrusion and preparation method thereof |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102676752A (en) * | 2012-05-08 | 2012-09-19 | 无锡宏达热处理锻造有限公司 | Thermal treatment process for die steel H13 of automobile forged piece |
| CN103333997A (en) * | 2013-07-02 | 2013-10-02 | 武汉钢铁(集团)公司 | Annealing heat treatment method of H13 die steel |
| CN105002337A (en) * | 2015-07-21 | 2015-10-28 | 北京奥普科星技术有限公司 | H13 die steel heat treating method and H13 die steel obtained through same |
| CN105643222A (en) * | 2016-03-30 | 2016-06-08 | 马鞍山市长冶重工科技有限公司 | Method for processing automobile uniaxial forging die |
| US20170082194A1 (en) * | 2015-09-22 | 2017-03-23 | Ypf Tecnologia Sa | Plunger with ion nitriding treatment for a hydraulic fracturing pump and a method for making said plunger |
| CN108660390A (en) * | 2017-03-27 | 2018-10-16 | 宝钢特钢有限公司 | A kind of high impact toughness cold work die steel and preparation method thereof |
| CN109022700A (en) * | 2018-10-31 | 2018-12-18 | 攀钢集团攀枝花钢铁研究院有限公司 | The heat treatment method of the high Corrosion Resistant Stainless Steel for Plastic Mould of high nitrogen |
-
2019
- 2019-01-18 CN CN201910049313.9A patent/CN109852777B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102676752A (en) * | 2012-05-08 | 2012-09-19 | 无锡宏达热处理锻造有限公司 | Thermal treatment process for die steel H13 of automobile forged piece |
| CN103333997A (en) * | 2013-07-02 | 2013-10-02 | 武汉钢铁(集团)公司 | Annealing heat treatment method of H13 die steel |
| CN105002337A (en) * | 2015-07-21 | 2015-10-28 | 北京奥普科星技术有限公司 | H13 die steel heat treating method and H13 die steel obtained through same |
| US20170082194A1 (en) * | 2015-09-22 | 2017-03-23 | Ypf Tecnologia Sa | Plunger with ion nitriding treatment for a hydraulic fracturing pump and a method for making said plunger |
| CN105643222A (en) * | 2016-03-30 | 2016-06-08 | 马鞍山市长冶重工科技有限公司 | Method for processing automobile uniaxial forging die |
| CN108660390A (en) * | 2017-03-27 | 2018-10-16 | 宝钢特钢有限公司 | A kind of high impact toughness cold work die steel and preparation method thereof |
| CN109022700A (en) * | 2018-10-31 | 2018-12-18 | 攀钢集团攀枝花钢铁研究院有限公司 | The heat treatment method of the high Corrosion Resistant Stainless Steel for Plastic Mould of high nitrogen |
Non-Patent Citations (1)
| Title |
|---|
| 中华人民共和国国家质量监督检验检疫局中国国家标准化管理委员会: "《中华人民共和国国家标准 GB/T 1299-2014》", 5 December 2014 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110656289A (en) * | 2019-11-05 | 2020-01-07 | 大冶屹丰机械制造有限公司 | Alloy steel for high-strength aluminum profile extrusion die and manufacturing method thereof |
| CN112226587A (en) * | 2020-09-02 | 2021-01-15 | 杭州和源精密工具有限公司 | Manufacturing method of maintenance-free gold-type tool clamping plate |
| CN115896594A (en) * | 2022-11-09 | 2023-04-04 | 成都先进金属材料产业技术研究院股份有限公司 | High-strength high-toughness H13 die steel for aluminum extrusion and preparation method thereof |
| CN115896594B (en) * | 2022-11-09 | 2024-04-26 | 成都先进金属材料产业技术研究院股份有限公司 | High-strength and high-toughness H13 die steel for aluminum extrusion and preparation method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109852777B (en) | 2021-09-28 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110438310B (en) | Hot work die steel and heat treatment method thereof | |
| CN110273095B (en) | Preparation method of medium-entropy alloy with tensile strength of 1.5GPa | |
| CN107254642B (en) | A kind of martensite aged stainless steel and preparation method thereof | |
| CN108823381B (en) | Heat treatment process for improving structure uniformity of H13 hot work die steel forging material | |
| CN108998638B (en) | A kind of heat treatment method of 620 DEG C or more supercritical turbine casting | |
| CN105063291A (en) | Thermal processing method improving impact resistance of 13Cr9Mo2Co1NiVNbNB forged piece | |
| CN106222544B (en) | Annular forging piece and its heat treatment method | |
| CN104451421B (en) | High-strength high-toughness bimetallic strip saw blade back steel and preparation method thereof | |
| CN107127212A (en) | The method of manganese cold-rolled steel sheet in super rapid heating technique productions high strength and ductility | |
| CN107574377B (en) | High manganese TWIP steel of a kind of high energy absorbing type based on nanostructure and preparation method thereof | |
| CN103993235B (en) | A kind of manufacture method of high-strength hot-rolled armor plate | |
| CN105648161A (en) | Preheat treatment method for large-size forged steel supporting roller | |
| CN103333997A (en) | Annealing heat treatment method of H13 die steel | |
| CN105088081B (en) | The manufacturing process of stabiliser bar | |
| CN109609848A (en) | High tough antifatigue nano-scaled precipitate enhancing Ma-Austria's Multiphase Steel and preparation method thereof | |
| CN101381839B (en) | High strength and ductility alloy steel and heat treatment technology thereof | |
| CN109852777A (en) | A kind of H13 mould steel and its heat treatment process | |
| CN106498235B (en) | A kind of Ni-Cr-Mo-Co-W systems high-temperature alloy material, preparation method and application | |
| CN102605268B (en) | Super-high manganese steel and preparation method thereof | |
| CN104264055A (en) | Cold roll material and heat treatment method thereof | |
| CN107299203A (en) | A kind of heat treatment method of forging | |
| CN109112391A (en) | A kind of hot die steel and preparation method thereof | |
| CN104651735A (en) | Low-alloy wear-resistant steel with toughness being more than 50J/cm<2> and production method thereof | |
| CN109694983A (en) | A kind of high mirror surface corrosion-resistant plastic mould steel and its manufacturing method | |
| CN106868258A (en) | A kind of high-carbon chromium steel carbide superfining handling process |
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 | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20221012 Address after: 230000 floor 1, building 2, phase I, e-commerce Park, Jinggang Road, Shushan Economic Development Zone, Hefei City, Anhui Province Patentee after: Dragon totem Technology (Hefei) Co.,Ltd. Address before: 610039, No. 999, Jin Zhou road, Jinniu District, Sichuan, Chengdu Patentee before: XIHUA University Effective date of registration: 20221012 Address after: 252000 Fenghuang Industrial Park, Dongchangfu District, Liaocheng City, Shandong Province Patentee after: SOUTHERN ENGINEERING SERVICES Pty Ltd. Address before: 230000 floor 1, building 2, phase I, e-commerce Park, Jinggang Road, Shushan Economic Development Zone, Hefei City, Anhui Province Patentee before: Dragon totem Technology (Hefei) Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: An H13 mold steel and its heat treatment process Effective date of registration: 20230322 Granted publication date: 20210928 Pledgee: Huaxia Bank Limited by Share Ltd. Liaocheng Dongchang Branch Pledgor: SOUTHERN ENGINEERING SERVICES Pty Ltd. Registration number: Y2023980035871 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Granted publication date: 20210928 Pledgee: Huaxia Bank Limited by Share Ltd. Liaocheng Dongchang Branch Pledgor: SOUTHERN ENGINEERING SERVICES Pty Ltd. Registration number: Y2023980035871 |