CN106048388B - A method of improving 1Cr13 impact property - Google Patents
A method of improving 1Cr13 impact property Download PDFInfo
- Publication number
- CN106048388B CN106048388B CN201610534888.6A CN201610534888A CN106048388B CN 106048388 B CN106048388 B CN 106048388B CN 201610534888 A CN201610534888 A CN 201610534888A CN 106048388 B CN106048388 B CN 106048388B
- Authority
- CN
- China
- Prior art keywords
- follows
- cooled
- ingot
- impact property
- electrode bar
- 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.)
- Active
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C33/00—Making ferrous alloys
- C22C33/04—Making ferrous alloys by melting
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
- B21J1/00—Preparing metal stock or similar ancillary operations prior, during or post forging, e.g. heating or cooling
- B21J1/06—Heating or cooling methods or arrangements specially adapted for performing forging or pressing operations
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
- B21J5/00—Methods for forging, hammering, or pressing; Special equipment or accessories therefor
- B21J5/002—Hybrid process, e.g. forging following casting
-
- 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
- C21D6/00—Heat treatment of ferrous alloys
- C21D6/004—Heat treatment of ferrous alloys containing Cr and Ni
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B9/00—General processes of refining or remelting of metals; Apparatus for electroslag or arc remelting of metals
- C22B9/16—Remelting metals
- C22B9/18—Electroslag remelting
Abstract
The invention discloses a kind of methods for improving 1Cr13 impact property, specific step is as follows: material being placed in intermediate frequency furnace and is refined, smelting temperature is 1450 ~ 1460 DEG C, and the content of each element is adjusted in fusion process, so that its weight ratio is met design requirement, and is poured and electrode bar is made；Electrode bar obtained is subjected to electroslag secondary remelting, electroslag ingot is made；ESR ingot obtained is packed into heating furnace, is heated to 1150-1170 DEG C, blank is made in forging of coming out of the stove after held for some time；Material obtained is heat-treated, including quenching, tempering and destressing.The beneficial effects of the present invention are: the gas turbine blade material manufactured with this method, can significantly improve the impact property of diaphragm rings, steel ingot lumber recovery is improved, considerable productivity effect is more created.
Description
Technical field
The present invention relates to a kind of method for improving impact property, specially a kind of sides for significantly improving 1Cr13 impact property
Method belongs to material applied technical field.
Background technique
With the development of science and technology, the needs of specific alloy yield and kind are growing, the requirement to quality
It is increasingly stringenter, is harsh, in recent years, surrounding and improve specific alloy performance, quality, kind, efficiency, reduction specific alloy cost,
It is energy-saving, environmental-friendly etc. to use series of new techniques, new process, new equipment, so that the cleanliness of specific alloy,
The uniformity, structure refinement degree and dimensional accuracy etc. have large increase, and gas turbine is a kind of elder generation and then complicated cooler power
Mechanized equipment is typical new and high technology intensive product.As high-tech carrier, gas turbine represents more theoretical subjects
With the level of aggregation of multiple-project field development.Development integrates the gas turbine industry of new technology, new material, new process, is
The one of the important signs that of national high-tech level and scientific and technological strength has strategic position very outstanding.With domestic electricity consumption
Increase and environmental requirement and China's combustion engine manufacturing technology development, combustion engine is largely used to generating set, produces more good
Combustion engine component is the common issue of material work, however the impact property of current material is poor, the material for manufacturing conventional method
The product of material is broken when in use, reduces the service life of product.
Summary of the invention
The object of the invention is that providing a kind of method for improving 1Cr13 impact property to solve the above-mentioned problems.
The present invention is achieved through the following technical solutions above-mentioned purpose, a method of 1Cr13 impact property being improved, specifically
Steps are as follows:
Step A, material is placed in intermediate frequency furnace and is refined, smelting temperature is 1450~1460 DEG C, in fusion process
The middle content for adjusting each element makes its weight ratio meet design requirement, and is poured and electrode bar is made；
Step B, electrode bar made from step A is subjected to electroslag secondary remelting, electroslag ingot is made；
Step C, ESR ingot made from step B is packed into heating furnace, is heated to 1150-1170 DEG C, after held for some time
It comes out of the stove forging, blank is made；
Step D, material made from step C is heat-treated, including quenching, tempering and destressing.
Preferably, quenching process is as follows: blank is placed on 980 ± 10 DEG C, keeps the temperature H* (0.6~0.9) min, it is then oily
It is cooled to 60~100 DEG C, is air-cooled to≤50 DEG C, is tempered in time.
Preferably, drawing process is as follows: the material being quenched is placed on 745 ± 5 DEG C, heat preservation H*2+ (60~
180) min, water cooling to room temperature.
Preferably, destressing process is as follows: the material being tempered being placed on 615 ± 5 DEG C, heat preservation >=640min, furnace is cold
To 300 DEG C, it is air-cooled to room temperature.
Preferably, the forging in step C is forged using 2000T press, and steel ingot is pulled out in technological preparation using three upsettings three
Between base.
The beneficial effects of the present invention are: ESR ingot is packed into heating furnace, it is heated to 1150-1170 DEG C, held for some time
After come out of the stove forging, blank is made, this advantages of be abundant degassing, lay the foundation to improve subsequent mechanical performance；Steel ingot is adopted
Base among technological preparation is pulled out with three upsettings three；This advantages of, is to fully ensure that whole branch steel ingot homogeneous deformation, because of subsequent partitions ring
Sampling direction is laterally that material is heat-treated by generally transverse performance less than longitudinal direction, including quenching, tempering and destressing,
This advantages of, is the promotion of guarantee mechanical performance, and the gas turbine blade material manufactured with this method can significantly improve
The impact property of diaphragm rings improves steel ingot lumber recovery, more creates considerable productivity effect.
Specific embodiment
Below in conjunction with the embodiment of the present invention, technical scheme in the embodiment of the invention is clearly and completely described,
Obviously, described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Based in the present invention
Embodiment, every other embodiment obtained by those of ordinary skill in the art without making creative efforts, all
Belong to the scope of protection of the invention.
Embodiment one:
A method of improving 1Cr13 impact property, the specific steps are as follows:
Step A, material is placed in intermediate frequency furnace and is refined, smelting temperature is 1450~1460 DEG C, in fusion process
The middle content for adjusting each element makes its weight ratio meet design requirement, and is poured and electrode bar is made；
Step B, electrode bar made from step A is subjected to electroslag secondary remelting, electroslag ingot is made；
Step C, ESR ingot made from step B is packed into heating furnace, is heated to 1150-1170 DEG C, after held for some time
It comes out of the stove forging, blank is made；
Step D, material made from step C is heat-treated, including quenching, tempering and destressing.
Quenching process is as follows: blank is placed on 980 ± 10 DEG C, keeps the temperature H*0.6min, then oil is cooled to 60~100 DEG C,
≤ 50 DEG C are air-cooled to, is tempered in time.
Drawing process is as follows: the material being quenched being placed on 745 ± 5 DEG C, keeps the temperature H*62min, water cooling to room temperature.
Destressing process is as follows: the material being tempered being placed on 610 DEG C, heat preservation >=640min is furnace-cooled to 300 DEG C, sky
It is cooled to room temperature.
Forging in step C is forged using 2000T press, and steel ingot pulls out base among technological preparation using three upsettings three.
Embodiment two:
A method of improving 1Cr13 impact property, the specific steps are as follows:
Step A, material is placed in intermediate frequency furnace and is refined, smelting temperature is 1450~1460 DEG C, in fusion process
The middle content for adjusting each element makes its weight ratio meet design requirement, and is poured and electrode bar is made；
Step B, electrode bar made from step A is subjected to electroslag secondary remelting, electroslag ingot is made；
Step C, ESR ingot made from step B is packed into heating furnace, is heated to 1150-1170 DEG C, after held for some time
It comes out of the stove forging, blank is made；
Step D, material made from step C is heat-treated, including quenching, tempering and destressing.
Quenching process is as follows: blank is placed on 980 ± 10 DEG C, keeps the temperature H*0.9min, then oil is cooled to 60~100 DEG C,
≤ 50 DEG C are air-cooled to, is tempered in time.
Drawing process is as follows: the material being quenched being placed on 745 ± 5 DEG C, keeps the temperature H*182) min, water cooling to room
Temperature.
Destressing process is as follows: the material being tempered being placed on 620 DEG C, heat preservation >=640min is furnace-cooled to 300 DEG C, sky
It is cooled to room temperature.
Forging in step C is forged using 2000T press, and steel ingot pulls out base among technological preparation using three upsettings three.
Embodiment three:
A method of improving 1Cr13 impact property, the specific steps are as follows:
Step A, material is placed in intermediate frequency furnace and is refined, smelting temperature is 1450~1460 DEG C, in fusion process
The middle content for adjusting each element makes its weight ratio meet design requirement, and is poured and electrode bar is made；
Step B, electrode bar made from step A is subjected to electroslag secondary remelting, electroslag ingot is made；
Step C, ESR ingot made from step B is packed into heating furnace, is heated to 1150-1170 DEG C, after held for some time
It comes out of the stove forging, blank is made；
Step D, material made from step C is heat-treated, including quenching, tempering and destressing.
Quenching process is as follows: blank is placed on 980 ± 10 DEG C, keeps the temperature H*0.8min, then oil is cooled to 60~100 DEG C,
≤ 50 DEG C are air-cooled to, is tempered in time.
Drawing process is as follows: the material being quenched being placed on 745 ± 5 DEG C, keeps the temperature H*100min, water cooling to room
Temperature.
Destressing process is as follows: the material being tempered is placed on 615 ± 5 DEG C, heat preservation >=640min is furnace-cooled to 300 DEG C,
It is air-cooled to room temperature.
Forging in step C is forged using 2000T press, and steel ingot pulls out base among technological preparation using three upsettings three.
The material made of embodiment one, two, three after testing, the gas turbine machine partition of above-mentioned process preparation
Ring material is tested through room temperature, the results showed that impact property is significantly improved, and test result is as follows:
The gas turbine blade material manufactured with this method can significantly improve the impact property of diaphragm rings, improve steel ingot
Lumber recovery more creates considerable productivity effect.
It is obvious to a person skilled in the art that invention is not limited to the details of the above exemplary embodiments, Er Qie
In the case where without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power
Benefit requires rather than above description limits, it is intended that all by what is fallen within the meaning and scope of the equivalent elements of the claims
Variation is included within the present invention.Any label in claim should not be construed as limiting the claims involved.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiments being understood that.
Claims (1)
1. a kind of method for improving 1Cr13 impact property, it is characterised in that: specific step is as follows:
Step A, material is placed in intermediate frequency furnace and is refined, smelting temperature is 1450 ~ 1460 DEG C, is adjusted in fusion process
The content of each element makes its weight ratio meet design requirement, and is poured and electrode bar is made；
Step B, electrode bar made from step A is subjected to electroslag secondary remelting, electroslag ingot is made；
Step C, ESR ingot made from step B is packed into heating furnace, is heated to 1150-1170 DEG C, comes out of the stove after held for some time
Forging, is made blank, is forged using 2000T press, and steel ingot pulls out base among technological preparation using three upsettings three；
Step D, material made from step C is heat-treated, including quenching, tempering and destressing；
Quenching process is as follows:
Blank is placed on 980 ± 10 DEG C, keeps the temperature the .9 of H*(0 .6 ~ 0) min, then oil is cooled to 60 ~ 100 DEG C, be air-cooled to≤
It 50 DEG C, is tempered in time;
Drawing process is as follows:
The material being quenched is placed on 745 ± 5 DEG C, keeps the temperature H*2+(60 ~ 180) min, water cooling to room temperature;
Destressing process is as follows:
The material being tempered is placed on 615 ± 5 DEG C, heat preservation >=640min is furnace-cooled to 300 DEG C, is air-cooled to room temperature;
Wherein, H indicates workpiece effective thickness.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610534888.6A CN106048388B (en) | 2016-07-08 | 2016-07-08 | A method of improving 1Cr13 impact property |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610534888.6A CN106048388B (en) | 2016-07-08 | 2016-07-08 | A method of improving 1Cr13 impact property |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106048388A CN106048388A (en) | 2016-10-26 |
| CN106048388B true CN106048388B (en) | 2019-02-05 |
Family
ID=57185027
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610534888.6A Active CN106048388B (en) | 2016-07-08 | 2016-07-08 | A method of improving 1Cr13 impact property |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106048388B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108546803A (en) * | 2018-05-16 | 2018-09-18 | 沈阳透平机械股份有限公司 | A kind of AISI410 steel heat treatment process |
| CN110229953B (en) * | 2019-06-24 | 2021-05-04 | 哈尔滨汽轮机厂有限责任公司 | Quenching method of rotating ring for steam turbine |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05117814A (en) * | 1991-10-23 | 1993-05-14 | Mitsubishi Heavy Ind Ltd | 12 cr series high strength heat resistant steel and this manufacture |
| EP0867523A1 (en) * | 1997-03-18 | 1998-09-30 | Mitsubishi Heavy Industries, Ltd. | Highly tenacious ferritic heat resisting steel |
| CN101525727A (en) * | 2009-04-22 | 2009-09-09 | 四川江油六合汽轮机材料有限公司 | Heat-resisting steel material used as vane or bolt of ultra-supercritical steam turbine and preparation method thereof |
| CN102808136A (en) * | 2012-08-16 | 2012-12-05 | 河北五维航电科技有限公司 | Manufacturing method for filter net body material of ultra-supercritical turbine in megawatt unit |
| CN105695893A (en) * | 2016-02-25 | 2016-06-22 | 四川六合锻造股份有限公司 | High-performance heat-resistant steel material used for gas turbine wheel disc and preparation method of high-performance heat-resistant steel material |
-
2016
- 2016-07-08 CN CN201610534888.6A patent/CN106048388B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05117814A (en) * | 1991-10-23 | 1993-05-14 | Mitsubishi Heavy Ind Ltd | 12 cr series high strength heat resistant steel and this manufacture |
| EP0867523A1 (en) * | 1997-03-18 | 1998-09-30 | Mitsubishi Heavy Industries, Ltd. | Highly tenacious ferritic heat resisting steel |
| CN101525727A (en) * | 2009-04-22 | 2009-09-09 | 四川江油六合汽轮机材料有限公司 | Heat-resisting steel material used as vane or bolt of ultra-supercritical steam turbine and preparation method thereof |
| CN102808136A (en) * | 2012-08-16 | 2012-12-05 | 河北五维航电科技有限公司 | Manufacturing method for filter net body material of ultra-supercritical turbine in megawatt unit |
| CN105695893A (en) * | 2016-02-25 | 2016-06-22 | 四川六合锻造股份有限公司 | High-performance heat-resistant steel material used for gas turbine wheel disc and preparation method of high-performance heat-resistant steel material |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106048388A (en) | 2016-10-26 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101838785B (en) | Post weld vacuum heat treatment process of TC18 titanium alloy welding component | |
| CN102806291B (en) | Wind-powered main shaft forging method | |
| CN102851479B (en) | Heat treatment technology of high-strength bolt | |
| CN106048413B (en) | A kind of method for reducing high performance heat resistant stainless steel material chain-like carbide | |
| CN106119731B (en) | A kind of gas turbine blower blade Steel material and preparation method thereof | |
| CN102286714A (en) | Preparation method of copper-nickel-tin alloy | |
| CN102127725A (en) | Method for preparing high-strength high-toughness magnesium alloy plate strip | |
| CN109822024A (en) | A kind of forging and heat treatment process of 750 DEG C of grades high temperature alloy forging | |
| CN104694832A (en) | Martensitic stainless steel for nuclear reactor and preparation method of stainless steel | |
| CN106048388B (en) | A method of improving 1Cr13 impact property | |
| CN104342603A (en) | Alloy material for improving corrosion resistance of valve and treatment process thereof | |
| CN111618216A (en) | Method for improving flaw detection qualification rate of 18CrNiMo7-6 forge piece | |
| CN101962737B (en) | Multi-element alloyed ultrahigh-strength sucker rod steel and manufacturing method thereof | |
| CN102337387A (en) | Heat treatment process of sulfur-resistant petroleum drill rod joint | |
| CN103695798A (en) | Heat-resisting steel material used as ultra supercritical steam turbine rotor and preparation method thereof | |
| CN103695704A (en) | Anti-fatigue copper alloy material for electric and electronic equipment and preparation method of anti-fatigue copper alloy | |
| CN112692204B (en) | Preparation method of large-size corrosion-resistant Ti35 alloy forging | |
| CN106425285A (en) | 34CrNiMo6 wind power main shaft forging forming method for low wind speed wind turbine set | |
| CN101515743B (en) | Method for manufacturing thin-wall guard rings for large-sized high-speed motors | |
| CN102485925A (en) | Copper-nickel-tin alloy and preparation method for wires thereof | |
| CN103343260A (en) | Manganese-copper alloy glass mold | |
| CN201191783Y (en) | Thin wall guard ring for large high-speed motor | |
| CN105603279B (en) | A kind of cable chromium boride strengthens magnesium alloy wire and preparation method thereof and application | |
| CN105296799A (en) | TC11 titanium alloy and technique for optimizing performance of TC11 titanium alloy | |
| CN104004965A (en) | Steel for wind power main shaft and heat treatment method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 621700 West Section of Baolun Road, Henan Industrial Park, Jiangyou City, Mianyang City, Sichuan Province Patentee after: Sichuan Liuhe Special Metal Materials Co., Ltd. Address before: 621700 West Section of Baolun Road, Henan Industrial Park, Jiangyou City, Mianyang City, Sichuan Province Patentee before: Sichuan Liuhe Forging Company Ltd. |