CN106048388A - Method for improving impact performance of 1Cr13 - Google Patents
Method for improving impact performance of 1Cr13 Download PDFInfo
- Publication number
- CN106048388A CN106048388A CN201610534888.6A CN201610534888A CN106048388A CN 106048388 A CN106048388 A CN 106048388A CN 201610534888 A CN201610534888 A CN 201610534888A CN 106048388 A CN106048388 A CN 106048388A
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- China
- Prior art keywords
- manufactured
- impact property
- ingot
- method improving
- electroslag
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Classifications
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- 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
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Heat Treatment Of Articles (AREA)
- Forging (AREA)
Abstract
The invention discloses a method for improving impact performance of 1Cr13. The method comprises specific steps that a material is placed in an intermediate frequency furnace to be subject to refining, the melting temperature ranges from 1450 DEG C to 1460 DEG C, in the melting process, the content of all elements is adjusted, the weight ratio of the elements meets the design requirement, pouring is carried out, and an electrode bar is manufactured; the manufactured electrode bar is subject to electroslag secondary remelting, and an electroslag steel ingot is manufactured; the manufactured electroslag ingot is loaded into a heating furnace to be heated to 1150 DEG C to 1170 DEG C, after being subject to heat preservation for a period of time, the ingot is taken out of the furnace to be forged, and a blank is manufactured; a manufactured material is subject to heat treatment, and heat treatment comprises quenching, tempering and stress removal; and the method has the beneficial effects that a gas turbine blade material manufactured through the method can obviously improve impact performance of a partition plate ring, the yield of the steel ingot is improved, and the considerable production benefits are created.
Description
Technical field
The present invention relates to a kind of method improving impact property, a kind of side significantly improving 1Cr13 impact property
Method, belongs to materials application technical field.
Background technology
Along with the development of science and technology, specific alloy yield and kind are needed expanding day, to the requirement of quality also
More and more stricter, harsh, in recent years, around improving specific alloy performance, quality, kind, efficiency, reduction specific alloy cost,
The aspects such as energy-saving and cost-reducing, environmental friendliness have employed series of new techniques, new technology, new equipment so that the cleanliness factor of specific alloy,
It is a kind of first and then complicated cooler power that the uniformity, structure refinement degree and dimensional accuracy etc. have had large increase, gas turbine
Mechanized equipment, is typical new and high technology intensive product.As high-tech carrier, gas turbine represents many theoretical subjects
Level of aggregation with the development of multiple-project field.Development integrates the gas turbine industry of new technique, new material, new technology, is
One of important symbol of country's high-tech level and scientific and technological strength, has the most prominent strategic position.Along with domestic power consumption
Increase and environmental requirement and the development of China's combustion engine manufacturing technology, combustion engine is largely used to generating set, produces more high-quality
Combustion engine parts are the common issues of material work, but the impact property of current material is poor, makes the material that conventional method manufactures
The product of material occurs fracture in use, decreases the service life of product.
Summary of the invention
The purpose of the present invention is that a kind of method improving 1Cr13 impact property that provides to solve the problems referred to above.
The present invention is achieved through the following technical solutions above-mentioned purpose, a kind of method improving 1Cr13 impact property, specifically
Step is as follows:
Step A, being placed in intermediate frequency furnace by material and carry out refine, smelting temperature is 1450～1460 DEG C, adjusts in fusion process
Save the content of each element so that it is weight ratio meets design requirement, and pours into a mould prepared electrode bar；
Step B, by step A prepare electrode bar carry out electroslag secondary remelting, prepare electroslag ingot；
Step C, ESR ingot step B prepared load heating furnace, are heated to 1150-1170 DEG C, come out of the stove after held for some time
Forging, makes blank；
Step D, by step C prepare material carry out heat treatment, including quenching, tempering and destressing.
Preferably, quenching process is as follows: blank is placed on 980 ± 10 DEG C, is incubated H* (0.6～0.9) min, then oil
Being cooled to 60～100 DEG C, air cooling, to≤50 DEG C, is tempered in time.
Preferably, drawing process is as follows: material Quenching Treatment crossed is placed on 745 ± 5 DEG C, insulation H*2+ (60～
180) min, water-cooled is to room temperature.
Preferably, destressing process is as follows: the material being tempered is placed on 615 ± 5 DEG C, and insulation >=640min, stove is cold
To 300 DEG C, air cooling is to room temperature.
Preferably, the forging in step C uses 2000T press to forge, and steel ingot uses three upsettings three to pull out in technological preparation
Between base.
The invention has the beneficial effects as follows: ESR ingot is loaded heating furnace, be heated to 1150-1170 DEG C, held for some time
After come out of the stove forging, make blank, this advantage is abundant degassing, lays the foundation for improving subsequent mechanical performance；Steel ingot is adopted
Technological preparation intermediate blank is pulled out with three upsettings three；This advantage is to fully ensure that whole steel ingot homogeneous deformation, because of subsequent partitions ring
Sampling direction is that laterally material, less than longitudinal direction, is carried out heat treatment by generally transverse performance, including quenching, tempering and destressing,
This advantage is to ensure the lifting of mechanical performance, the gas turbine blade material manufactured by this method, it is possible to significantly improve
The impact property of diaphragm rings, improves steel ingot lumber recovery, more creates considerable productivity effect.
Detailed description of the invention
Below in conjunction with the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described,
Obviously, described embodiment is only a part of embodiment of the present invention rather than whole embodiments.Based in the present invention
Embodiment, the every other embodiment that those of ordinary skill in the art are obtained under not making creative work premise, all
Belong to the scope of protection of the invention.
Embodiment one:
A kind of method improving 1Cr13 impact property, specifically comprises the following steps that
Step A, being placed in intermediate frequency furnace by material and carry out refine, smelting temperature is 1450～1460 DEG C, adjusts in fusion process
Save the content of each element so that it is weight ratio meets design requirement, and pours into a mould prepared electrode bar；
Step B, by step A prepare electrode bar carry out electroslag secondary remelting, prepare electroslag ingot；
Step C, ESR ingot step B prepared load heating furnace, are heated to 1150-1170 DEG C, come out of the stove after held for some time
Forging, makes blank；
Step D, by step C prepare material carry out heat treatment, including quenching, tempering and destressing.
Quenching process is as follows: blank is placed on 980 ± 10 DEG C, is incubated H*0.6min, and then oil is cooled to 60～100 DEG C,
Air cooling, to≤50 DEG C, is tempered in time.
Drawing process is as follows: material Quenching Treatment crossed is placed on 745 ± 5 DEG C, is incubated H*62min, and water-cooled is to room temperature.
Destressing process is as follows: the material being tempered is placed on 610 DEG C, insulation >=640min, and stove is cooled to 300 DEG C, empty
It is cooled to room temperature.
Forging in step C uses 2000T press to forge, and steel ingot uses three upsettings three to pull out technological preparation intermediate blank.
Embodiment two:
A kind of method improving 1Cr13 impact property, specifically comprises the following steps that
Step A, being placed in intermediate frequency furnace by material and carry out refine, smelting temperature is 1450～1460 DEG C, adjusts in fusion process
Save the content of each element so that it is weight ratio meets design requirement, and pours into a mould prepared electrode bar；
Step B, by step A prepare electrode bar carry out electroslag secondary remelting, prepare electroslag ingot；
Step C, ESR ingot step B prepared load heating furnace, are heated to 1150-1170 DEG C, come out of the stove after held for some time
Forging, makes blank；
Step D, by step C prepare material carry out heat treatment, including quenching, tempering and destressing.
Quenching process is as follows: blank is placed on 980 ± 10 DEG C, is incubated H*0.9min, and then oil is cooled to 60～100 DEG C,
Air cooling, to≤50 DEG C, is tempered in time.
Drawing process is as follows: material Quenching Treatment crossed is placed on 745 ± 5 DEG C, is incubated H*182) min, water-cooled is to room
Temperature.
Destressing process is as follows: the material being tempered is placed on 620 DEG C, insulation >=640min, and stove is cooled to 300 DEG C, empty
It is cooled to room temperature.
Forging in step C uses 2000T press to forge, and steel ingot uses three upsettings three to pull out technological preparation intermediate blank.
Embodiment three:
A kind of method improving 1Cr13 impact property, specifically comprises the following steps that
Step A, being placed in intermediate frequency furnace by material and carry out refine, smelting temperature is 1450～1460 DEG C, adjusts in fusion process
Save the content of each element so that it is weight ratio meets design requirement, and pours into a mould prepared electrode bar；
Step B, by step A prepare electrode bar carry out electroslag secondary remelting, prepare electroslag ingot；
Step C, ESR ingot step B prepared load heating furnace, are heated to 1150-1170 DEG C, come out of the stove after held for some time
Forging, makes blank；
Step D, by step C prepare material carry out heat treatment, including quenching, tempering and destressing.
Quenching process is as follows: blank is placed on 980 ± 10 DEG C, is incubated H*0.8min, and then oil is cooled to 60～100 DEG C,
Air cooling, to≤50 DEG C, is tempered in time.
Drawing process is as follows: material Quenching Treatment crossed is placed on 745 ± 5 DEG C, is incubated H*100min, and water-cooled is to room
Temperature.
Destressing process is as follows: the material being tempered is placed on 615 ± 5 DEG C, insulation >=640min, and stove is cooled to 300 DEG C,
Air cooling is to room temperature.
Forging in step C uses 2000T press to forge, and steel ingot uses three upsettings three to pull out technological preparation intermediate blank.
Use the material that embodiment one, two, three makes through detection, gas turbine machine dividing plate prepared by above-mentioned process
Ring material, tests through room temperature, and result shows that impact property is significantly improved, and result of the test is as follows:
The gas turbine blade material manufactured by this method, it is possible to significantly improve the impact property of diaphragm rings, improves steel ingot
Lumber recovery, more creates considerable productivity effect.
It is obvious to a person skilled in the art that the invention is not restricted to the details of above-mentioned one exemplary embodiment, Er Qie
In the case of the spirit or essential attributes of the present invention, it is possible to realize the present invention in other specific forms.Therefore, no matter
From the point of view of which point, all should regard embodiment as exemplary, and be nonrestrictive, the scope of the present invention is by appended power
Profit requires rather than described above limits, it is intended that all by fall in the implication of equivalency and scope of claim
Change is included in the present invention.Should not be considered as limiting involved claim by any labelling in claim.
Although moreover, it will be appreciated that this specification is been described by according to embodiment, but the most each embodiment only wraps
Containing an independent technical scheme, this narrating mode of description is only that for clarity sake those skilled in the art should
Description can also be formed those skilled in the art through appropriately combined as an entirety, the technical scheme in each embodiment
May be appreciated other embodiments.
Claims (6)
1. the method improving 1Cr13 impact property, it is characterised in that: specifically comprise the following steps that
Step A, being placed in intermediate frequency furnace by material and carry out refine, smelting temperature is 1450 ~ 1460 DEG C, regulates in fusion process
The content of each element so that it is weight ratio meets design requirement, and pours into a mould prepared electrode bar；
Step B, by step A prepare electrode bar carry out electroslag secondary remelting, prepare electroslag ingot；
Step C, ESR ingot step B prepared load heating furnace, are heated to 1150-1170 DEG C, come out of the stove after held for some time
Forging, makes blank；
Step D, by step C prepare material carry out heat treatment, including quenching, tempering and destressing.
A kind of method improving 1Cr13 impact property the most according to claim 1, it is characterised in that: quenching process is as follows:
Blank is placed on 980 ± 10 DEG C, is incubated H*(0.6 ~ 0.9) min, then oil is cooled to 60 ~ 100 DEG C, and air cooling, to≤50 DEG C, enters
Row tempering in time.
A kind of method improving 1Cr13 impact property the most according to claim 1, it is characterised in that: drawing process is as follows:
Material Quenching Treatment crossed is placed on 745 ± 5 DEG C, is incubated H*2+(60 ~ 180) min, water-cooled is to room temperature.
A kind of method improving 1Cr13 impact property the most according to claim 1, it is characterised in that: destressing process is such as
Under: the material being tempered is placed on 615 ± 5 DEG C, and insulation >=640min, stove is cooled to 300 DEG C, and air cooling is to room temperature.
A kind of method improving 1Cr13 impact property the most according to claim 1, it is characterised in that: the forging in step C
Using 2000T press to forge, steel ingot uses three upsettings three to pull out technological preparation intermediate blank.
A kind of method improving 1Cr13 impact property the most according to claim 2, it is characterised in that: H represents that workpiece is 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 |
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| Publication Number | Publication Date |
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| CN106048388A true CN106048388A (en) | 2016-10-26 |
| CN106048388B CN106048388B (en) | 2019-02-05 |
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| CN201610534888.6A Active CN106048388B (en) | 2016-07-08 | 2016-07-08 | A method of improving 1Cr13 impact property |
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Cited By (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 |
| CN110229953A (en) * | 2019-06-24 | 2019-09-13 | 哈尔滨汽轮机厂有限责任公司 | A kind of process for quenching of steam turbine swivel becket |
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| 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 |
Cited By (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 |
| CN110229953A (en) * | 2019-06-24 | 2019-09-13 | 哈尔滨汽轮机厂有限责任公司 | A kind of process for quenching of steam turbine swivel becket |
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| CN106048388B (en) | 2019-02-05 |
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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. |
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