CN107937681A - A kind of corrosion resistant type plastic mould steel heat treatment process - Google Patents
A kind of corrosion resistant type plastic mould steel heat treatment process Download PDFInfo
- Publication number
- CN107937681A CN107937681A CN201810009624.8A CN201810009624A CN107937681A CN 107937681 A CN107937681 A CN 107937681A CN 201810009624 A CN201810009624 A CN 201810009624A CN 107937681 A CN107937681 A CN 107937681A
- Authority
- CN
- China
- Prior art keywords
- hardness
- heat treatment
- treatment process
- cooled
- heating
- 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
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
- C21D6/00—Heat treatment of ferrous alloys
- C21D6/002—Heat treatment of ferrous alloys containing Cr
-
- 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
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/26—Methods of annealing
-
- 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
- C21D2211/00—Microstructure comprising significant phases
- C21D2211/008—Martensite
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
Landscapes
- 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 Articles (AREA)
Abstract
The present invention is a kind of corrosion resistant type plastic mould steel heat treatment process, including：The quenching-and-tempering process that 2Cr13 is used is as follows：+ 1000~1050 DEG C of oil quenchinng+700~790 DEG C high temperings of 700~800 DEG C of tempering (hardness is controlled in 230~270HBS) (hardness is in 27~29HRC)；The heat treatment process of 4Cr13 is：860~880 DEG C of annealing (hardness is in below 200HBS)+1030~1050 DEG C of oil quenchinng+200~300 DEG C lonneals, final hardness is in 48~52HRC.A kind of corrosion resistant type plastic mould steel heat treatment process of the present invention, the mould that handles out is corrosion-resistant, hardness is high, wear-resisting, can obtain corresponding geneva ex vivo.
Description
Technical field
The present invention relates to corrosion resistant type plastic die steel Field of Heat-treatment, especially one kind is related to corrosion resistant type plastic die steel
Heat treatment process.
Background technology
2Cr13 is typical corrosion-resistant plastic mould steel, and under quality adjustment condition, it is organized as tempered sorbite, because of tempering
Sorbite tissue has good comprehensive mechanical performance, while its matrix-ferrite contains chromium more than 11.7%, has well resistance to
Corrosivity.
4Cr13 belongs to martensite stainless die steel for plastics, wishes to obtain tempered martensite after heat treatment.
Cr18Mo V belong to high carbon and chromium type martensite stainless die steel for plastics, it is necessary to ensure the high rigidity of steel, high abrasion
The performance such as property and corrosion resistance.
3Cr17Mo is middle carbon high martensitic chromium stainless die steel for plastics, and corrosion resistance is good, and wear-resisting property is high.It is usually used in
The mould that high anticorrosion and needs mirror-finish, particularly suitable for being expected with PVC.3Cr17Mo is used as higher hardness and high-wearing feature
Hot oil pump, valve block, valve bearing, medical instrument, the part such as spring.
For this reason, designing a kind of corrosion resistant type plastic mould steel heat treatment process, problem above is solved.
The content of the invention
The present invention is to overcome the above insufficient, there is provided a kind of corrosion resistant type plastic mould steel heat treatment process, including：
The quenching-and-tempering process that 2Cr13 is used is as follows：700~800 DEG C of tempering (hardness is controlled in 230~270HBS)+
1000~1050 DEG C of oil quenchinng+700~790 DEG C high temperings (hardness is in 27~29HRC)；
The heat treatment process of 4Cr13 is：860~880 DEG C of annealing (hardness is in below 200HBS)+1030~1050 DEG C of oil coolings
+ 200~300 DEG C of lonneals are quenched, final hardness is in 48~52HRC；
The heat treatment process that Cr18Mo V are used for：800~840 DEG C of annealing, 190~250HBS of hardness, then 1050~
1100 DEG C of oil quenchinngs, last 160~260 DEG C of lonneals, 58~60HRC of hardness；
3Cr17Mo frequently with heat treatment process be recrystallization annealing：730~750 DEG C of heating, insulation, comes out of the stove air-cooled, firmly
Degree≤255HBS, eliminates residual stress, eliminates processing hardening；Partial annealing：850~870 DEG C of heating, insulation, is furnace-cooled to 550
Come out of the stove below DEG C air-cooled, hardness≤255HBS, obtains pearlite+ferritic structure；Quenching：1000~1050 DEG C of heating, insulation,
Oil cooling is air-cooled, 48~50HRC of hardness, and Cr, Mn, Si, Mo element are dissolved in austenite during heating, obtained after cooling martensite+
Retained austenite is organized；Tempering：160~180 DEG C of heating, keeps the temperature 2h, air-cooled, 47~48HRC of hardness, eliminates residual stress, obtains
Obtain tempered martensite.
The beneficial effects of the invention are as follows：
A kind of corrosion resistant type plastic mould steel heat treatment process of the present invention, the mould that handles out is corrosion-resistant, hardness
It is high, wear-resisting, corresponding geneva ex vivo can be obtained.
Embodiment
It is described in detail below with reference to the embodiment of the present invention.
To make 2Cr13 obtain excellent comprehensive mechanical property, the quenching-and-tempering process that 2Cr13 is used is as follows：700~
+ 1000~1050 DEG C of oil quenchinng+700~790 DEG C high tempering (hardness of 800 DEG C of tempering (hardness is controlled in 230~270HBS)
In 27~29HRC)；
The heat treatment process of 4Cr13 is：860~880 DEG C of annealing (hardness is in below 200HBS)+1030~1050 DEG C of oil coolings
+ 200~300 DEG C of lonneals are quenched, final hardness is in 48~52HRC；
The heat treatment process that Cr18Mo V are used for：800~840 DEG C of annealing, 190~250HBS of hardness, then 1050~
1100 DEG C of oil quenchinngs, last 160~260 DEG C of lonneals, 58~60HRC of hardness；
3Cr17Mo frequently with heat treatment process be recrystallization annealing：730~750 DEG C of heating, insulation, comes out of the stove air-cooled, firmly
Degree≤255HBS, eliminates residual stress, eliminates processing hardening；Partial annealing：850~870 DEG C of heating, insulation, is furnace-cooled to 550
Come out of the stove below DEG C air-cooled, hardness≤255HBS, obtains pearlite+ferritic structure；Quenching：1000~1050 DEG C of heating, insulation,
Oil cooling is air-cooled, 48~50HRC of hardness, and Cr, Mn, Si, Mo element are dissolved in austenite during heating, obtained after cooling martensite+
Retained austenite is organized；Tempering：160~180 DEG C of heating, keeps the temperature 2h, air-cooled, 47~48HRC of hardness, eliminates residual stress, obtains
Obtain tempered martensite.
The above is only the preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications also should
It is considered as protection scope of the present invention.
Claims (1)
- A kind of 1. corrosion resistant type plastic mould steel heat treatment process, it is characterised in that including：The quenching-and-tempering process that 2Cr13 is used is as follows：700~800 DEG C of tempering (hardness is controlled in 230~270HBS)+1000 ~1050 DEG C of oil quenchinng+700~790 DEG C high temperings (hardness is in 27~29HRC)；The heat treatment process of 4Cr13 is：860~880 DEG C of annealing (hardness is in below 200HBS)+1030~1050 DEG C of oil quenchinngs + 200~300 DEG C of lonneals, final hardness is in 48~52HRC；The heat treatment process that Cr18Mo V are used for：800~840 DEG C of annealing, 190~250HBS of hardness, then 1050~1100 DEG C oil quenchinng, last 160~260 DEG C of lonneals, 58~60HRC of hardness；3Cr17Mo frequently with heat treatment process be recrystallization annealing：730~750 DEG C of heating, insulation, comes out of the stove air-cooled, and hardness≤ 255HBS, eliminates residual stress, eliminates processing hardening；Partial annealing：Heating 850~870 DEG C, insulation, be furnace-cooled to 550 DEG C with Under come out of the stove air-cooled, hardness≤255HBS, obtain pearlite+ferritic structure；Quenching：1000~1050 DEG C of heating, insulation, oil cooling Or air-cooled, 48~50HRC of hardness, Cr, Mn, Si, Mo element are dissolved in austenite during heating, and martensite+remnants are obtained after cooling Austenite structure；Tempering：160~180 DEG C of heating, keeps the temperature 2h, air-cooled, 47~48HRC of hardness, eliminates residual stress, is returned Fiery martensitic structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810009624.8A CN107937681A (en) | 2018-01-05 | 2018-01-05 | A kind of corrosion resistant type plastic mould steel heat treatment process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810009624.8A CN107937681A (en) | 2018-01-05 | 2018-01-05 | A kind of corrosion resistant type plastic mould steel heat treatment process |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107937681A true CN107937681A (en) | 2018-04-20 |
Family
ID=61938347
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810009624.8A Pending CN107937681A (en) | 2018-01-05 | 2018-01-05 | A kind of corrosion resistant type plastic mould steel heat treatment process |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107937681A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111455141A (en) * | 2020-04-30 | 2020-07-28 | 重庆派斯克刀具制造股份有限公司 | High-frequency quenching and air cooling process for branch breaking cutter |
| CN113999964A (en) * | 2021-10-26 | 2022-02-01 | 河南中原特钢装备制造有限公司 | Heat treatment process of large-size 2Cr13 hollow pipe |
-
2018
- 2018-01-05 CN CN201810009624.8A patent/CN107937681A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111455141A (en) * | 2020-04-30 | 2020-07-28 | 重庆派斯克刀具制造股份有限公司 | High-frequency quenching and air cooling process for branch breaking cutter |
| CN113999964A (en) * | 2021-10-26 | 2022-02-01 | 河南中原特钢装备制造有限公司 | Heat treatment process of large-size 2Cr13 hollow pipe |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106521316B (en) | Carbon and low-alloy round steel and its manufacturing method in a kind of fastener high-hardenability | |
| CN104073814B (en) | A kind of Technology for Heating Processing of high-carbon-chromium bearing steel | |
| CN106521338B (en) | A kind of high strength and high hardness steel plate and Flexible Production method | |
| JPWO2006118242A1 (en) | Steel member and heat treatment method thereof | |
| CN103119188A (en) | Steel for carburizing, carburized steel component, and method for producing same | |
| CN102888500A (en) | Heat treatment process of thermoforming spring | |
| CN101660036A (en) | Heat treating method of high strength and high ductility steel tube | |
| CN107937681A (en) | A kind of corrosion resistant type plastic mould steel heat treatment process | |
| CN103740913B (en) | High temperature forging Martensite Stainless Steel heat treating method | |
| CN103589839B (en) | Heat treatment technique of high-carbon high-chromium stainless steel | |
| CN103215418A (en) | Thermal treatment method for super-thick steel plate | |
| CN109183045A (en) | A kind of heat treatment process of vehicle spindle | |
| CN113174476A (en) | Quenching process method for nodular cast iron grinding balls | |
| CN109022705A (en) | The heat treatment method of potassium steel casting bucket tooth | |
| CN100469903C (en) | 6CrNiSiMnMoV steel hardness gradient tempering heat treatment processing method | |
| CN104060054A (en) | Thermal treatment method of martensitic stainless steel liner plate | |
| CN110205446A (en) | A kind of G520 martensitic precipitation heat treatment method | |
| CN101724736B (en) | Upper bainite quenching strengthening technology for heat treatment of chromium-manganese-silicon low-alloy structural steel | |
| CN105543463A (en) | Atmosphere protection heat treatment technology of ultrahigh strength D6AC steel thin-wall tube | |
| CN110218855A (en) | A method of overcoming blade heat-treatment distortion | |
| CN109680127A (en) | The hardening and tempering process of carbon alloy structure round steel in a kind of big specification | |
| CN104357634A (en) | Treatment method of 630 steel | |
| CN108424999B (en) | A kind of heat treatment process of shallow-tank separator driving chain components | |
| CN107475617A (en) | A kind of martensitic stain less steel with strong cold temperature impact | |
| CN101921901A (en) | Heat processing method of high-carbon chromium bearing steel bearing part |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20180420 |
|
| WD01 | Invention patent application deemed withdrawn after publication |