CN111378889A - Anti-deformation fork and manufacturing method thereof - Google Patents
Anti-deformation fork and manufacturing method thereof Download PDFInfo
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- CN111378889A CN111378889A CN202010141653.7A CN202010141653A CN111378889A CN 111378889 A CN111378889 A CN 111378889A CN 202010141653 A CN202010141653 A CN 202010141653A CN 111378889 A CN111378889 A CN 111378889A
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C30/00—Alloys containing less than 50% by weight of each constituent
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- 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
- 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
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/002—Ferrous alloys, e.g. steel alloys containing In, Mg, or other elements not provided for in one single group C22C38/001 - C22C38/60
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/02—Ferrous alloys, e.g. steel alloys containing silicon
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/04—Ferrous alloys, e.g. steel alloys containing manganese
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/44—Ferrous alloys, e.g. steel alloys containing chromium with nickel with molybdenum or tungsten
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/48—Ferrous alloys, e.g. steel alloys containing chromium with nickel with niobium or tantalum
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/50—Ferrous alloys, e.g. steel alloys containing chromium with nickel with titanium or zirconium
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/58—Ferrous alloys, e.g. steel alloys containing chromium with nickel with more than 1.5% by weight of manganese
Abstract
The invention provides an anti-deformation fork and a manufacturing method thereof, which can enhance the anti-deformation capability of the fork and prolong the service life; the material components comprise the following components in percentage by mass: c is less than or equal to 0.08 percent; si is less than or equal to 1.00 percent; mn is less than or equal to 2.00 percent; p is less than or equal to 0.035%; s is less than or equal to 0.03 percent; cr is more than or equal to 20 percent; ni is more than or equal to 12 percent; ti is more than or equal to 5 × C; mo: 0.3-0.60%; nb: 0.2 to 0.4 percent.
Description
Technical Field
The invention relates to the technical field of metallurgy, in particular to an anti-deformation fork and a manufacturing method thereof.
Background
At present, the transfer of a workpiece is realized by the rotation of an annular furnace bottom in an annular furnace carburizing and quenching heat treatment production line, wherein a material transfer mechanism is a mechanical device for transferring materials in a heat treatment carburizing process developed based on the material transfer mechanism, in order to meet the production and development requirements, the carburizing atmosphere must not be influenced, the atmosphere in the furnace must not leak, the material transfer mechanism is required to work in a completely sealed environment, the material transfer mechanism realizes the transfer of the workpiece materials at working positions in different process periods by forking the materials through a mechanical arm material fork, but in a high-temperature furnace with the temperature of 980 ℃, the material fork is easy to deform and has a short service life, thereby influencing the transfer of the materials.
Disclosure of Invention
In view of the above problems, the present invention provides a material fork with deformation resistance and a manufacturing method thereof, which can enhance the deformation resistance of the material fork and prolong the service life.
The technical scheme is as follows: a resistance to deformation material fork which characterized in that: the material components comprise the following components in percentage by mass: c is less than or equal to 0.08 percent; si is less than or equal to 1.00 percent; mn is less than or equal to 2.00 percent; p is less than or equal to 0.035%; s is less than or equal to 0.03 percent; cr is more than or equal to 20 percent; ni is more than or equal to 12 percent; ti is more than or equal to 5 × C; mo: 0.3-0.60%; nb: 0.2 to 0.4 percent.
It is further characterized in that:
the grain size of the material fork is controlled to be 5.0-8.0 grade; the nondestructive inspection grade of the material fork is grade II;
the material fork meets the performance requirements that: the yield strength is 926-1030 MPa, the tensile strength is greater than or equal to 930MPa, and the elongation is greater than or equal to 10%.
A manufacturing method of a deformation-resistant fork is characterized in that: which comprises the following steps:
s1, according to the mass percentage of the components: c is less than or equal to 0.08 percent; si is less than or equal to 1.00 percent; mn is less than or equal to 2.00 percent; p is less than or equal to 0.035%; s is less than or equal to 0.03 percent; cr is more than or equal to 20 percent; ni is more than or equal to 12 percent; ti is more than or equal to 5 × C; mo: 0.3-0.60%; nb: 0.2-0.4% of raw materials, and preparing a material ingot according to a conventional smelting and forging method;
s2, remelting the material ingot with electroslag and forging the material ingot into a blank;
s3, heating the prepared blank to 1200-1300 ℃ at the speed of 110-120 ℃/h in a heating furnace for the first time, preserving the heat for 4-7 h, performing solution treatment, and cooling, wherein the coolant is cooling water; then heating for the second time at 1050-1100 deg.C for 2.5h or longer; heating for the third time at 1250-1280 ℃ for more than or equal to 3.5 h; heating the blank to 1050-1150 ℃ for solution treatment, preserving heat for 1.5-2.5 h, and then cooling in air; and (3) re-annealing treatment: annealing at 950-1050 ℃ for 0.5-1 h, and then air cooling;
and S4, machining to remove the surface oxidation and defects of the blank and obtain the finished material fork.
The invention has the advantages that through reasonable component combination design, the material fork has better obdurability, high temperature endurance strength and oxidation corrosion resistance in heat treatment, the deformation resistance is improved, the service life is prolonged, the working requirement of the material fork in an annular furnace is met, and the material fork has better economic use value.
Detailed Description
Example one
The anti-deformation fork comprises the following material components in percentage by mass: c: 0.03 percent; si: 0.3 percent; mn: 0.8 percent; p: 0.015 percent; s: 0.01 percent; cr: 20 percent; ni: 12 percent; ti: 5C; mo: 0.3 percent; nb: 0.2 percent.
The grain size of the material fork is controlled to be 5.0-8.0 grade; the nondestructive inspection grade of the material fork is grade II; the material fork meets the performance requirements: the yield strength is 926-1030 MPa, the tensile strength is greater than or equal to 930MPa, and the elongation is greater than or equal to 10%.
A method of manufacturing a deformation resistant fork comprising the steps of:
s1, according to the mass percentage of the components: c: 0.03 percent; si: 0.3 percent; mn: 0.8 percent; p: 0.015 percent; s: 0.01 percent; cr: 20 percent; ni: 12 percent; ti: 5C; mo: 0.3 percent; nb: 0.2 percent of raw materials are mixed, and a material ingot is prepared according to a conventional smelting and forging method;
s2, carrying out electroslag remelting on the material ingot to carry out metal smelting purification, and then forging the material ingot into a material blank;
s3, heating the prepared blank to 1200 ℃ at the speed of 110 ℃/h in a heating furnace for the first heating, keeping the temperature for 4h, carrying out solution treatment, and then cooling, wherein the coolant is cooling water; then, the mixture is heated for the second time, the temperature is 1050 ℃, and the time is 2.5 hours; heating for the third time at 1250 ℃ for 3.5 h; heating the blank to 1050 ℃ for solution treatment, keeping the temperature for 1.5h, and then cooling in air; and (3) re-annealing treatment: annealing at 950 ℃ for 0.5h, and then air cooling;
and S4, machining to remove the surface oxidation and defects of the blank and obtain the finished material fork.
Example two
The anti-deformation fork comprises the following material components in percentage by mass: c: 0.05 percent; si: 0.6 percent; mn: 1.2 percent; p: 0.03 percent; s: 0.015 percent; cr: 30 percent; ni: 20 percent; ti: 6C; mo: 0.4 percent; nb: 0.3 percent.
The grain size of the material fork is controlled to be 5.0-8.0 grade; the nondestructive inspection grade of the material fork is grade II; the material fork meets the performance requirements: the yield strength is 926-1030 MPa, the tensile strength is greater than or equal to 930MPa, and the elongation is greater than or equal to 10%.
A method of manufacturing a deformation resistant fork comprising the steps of:
s1, according to the mass percentage of the components: c: 0.05 percent; si: 0.6 percent; mn: 1.2 percent; p: 0.03 percent; s: 0.015 percent; cr: 30 percent; ni: 20 percent; ti: 6C; mo: 0.4 percent; nb: 0.3 percent of raw materials are mixed, and a material ingot is prepared according to a conventional smelting and forging method;
s2, carrying out electroslag remelting on the material ingot to carry out metal smelting purification, and then forging the material ingot into a material blank;
s3, heating the prepared blank to 1250 ℃ at the speed of 115 ℃/h in a heating furnace for the first time, preserving heat for 4.5h, and cooling, wherein the coolant is cooling water; then, heating for the second time at 1080 ℃ for 3 hours; heating for the third time at 1260 deg.C for 4 hr; heating the blank to 1090 ℃ for solution treatment, preserving heat for 1.8h, and then cooling in air; and (3) re-annealing treatment: annealing at 1000 deg.C for 0.8 h, and air cooling;
and S4, machining to remove the surface oxidation and defects of the blank and obtain the finished material fork.
EXAMPLE III
The anti-deformation fork comprises the following material components in percentage by mass: c: 0.06 percent; si: 0.8 percent; mn: 1.8 percent; p: 0.032%; s: 0.02 percent; cr: 35 percent; ni: 23 percent; ti: 7C; mo: 0.55 percent; nb: 0.35 percent.
The grain size of the material fork is controlled to be 5.0-8.0 grade; the nondestructive inspection grade of the material fork is grade II; the material fork meets the performance requirements: the yield strength is 926-1030 MPa, the tensile strength is greater than or equal to 930MPa, and the elongation is greater than or equal to 10%.
A method of manufacturing a deformation resistant fork comprising the steps of:
s1, according to the mass percentage of the components: c: 0.06 percent; si: 0.8 percent; mn: 1.8 percent; p: 0.032%; s: 0.02 percent; cr: 35 percent; ni: 23 percent; ti: 7C; mo: 0.55 percent; nb: 0.35 percent of raw materials are mixed, and a material ingot is prepared according to a conventional smelting and forging method;
s2, carrying out electroslag remelting on the material ingot to carry out metal smelting purification, and then forging the material ingot into a material blank;
s3, heating the prepared blank to 1280 ℃ at the speed of 118 ℃/h in a heating furnace for the first time, keeping the temperature for 5.5h, carrying out solution treatment, and cooling, wherein the coolant is cooling water; then, the second heating is carried out, the temperature is 1090 ℃, and the time is 3.5 hours; heating for the third time at 1270 deg.C for 4.5 hr; heating the blank to 1120 ℃ for solution treatment, keeping the temperature for 2 hours, and then cooling in air; and (3) re-annealing treatment: annealing at 1020 deg.C for 0.9h, and air cooling;
and S4, machining to remove the surface oxidation and defects of the blank and obtain the finished material fork.
Example four
The anti-deformation fork comprises the following material components in percentage by mass: c: 0.08 percent; si: 1.00 percent; mn: 2.00 percent; p: 0.035%; s: 0.03 percent; cr: 40 percent; ni: 25 percent; ti: 8C; mo: 0.60 percent; nb: 0.4 percent.
The grain size of the material fork is controlled to be 5.0-8.0 grade; the nondestructive inspection grade of the material fork is grade II; the material fork meets the performance requirements: the yield strength is 926-1030 MPa, the tensile strength is greater than or equal to 930MPa, and the elongation is greater than or equal to 10%.
A method of manufacturing a deformation resistant fork comprising the steps of:
s1, according to the mass percentage of the components: c: 0.08 percent; si: 1.00 percent; mn: 2.00 percent; p: 0.035%; s: 0.03 percent; cr: 40 percent; ni: 25 percent; ti: 8C; mo: 0.60 percent; nb: 0.4 percent of raw materials are mixed, and a material ingot is prepared according to a conventional smelting and forging method;
s2, carrying out electroslag remelting on the material ingot to carry out metal smelting purification, and then forging the material ingot into a material blank;
s3, heating the prepared blank to 1300 ℃ at the speed of 120 ℃/h in a heating furnace for the first time, preserving heat for 7h, carrying out solution treatment, and then cooling, wherein the coolant is cooling water; then, heating for the second time at 1100 ℃ for 4.5 h; heating for the third time at 1280 deg.C for 4.8 hr; heating the blank to 1150 ℃ for solution treatment, keeping the temperature for 2.5h, and then cooling in air; and (3) re-annealing treatment: annealing at 1050 ℃ for 1h, and then air cooling;
and S4, machining to remove the surface oxidation and defects of the blank and obtain the finished material fork.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Moreover, it should be understood that although the present description refers to embodiments, not every embodiment may contain a single embodiment, and such description is for clarity only, and those skilled in the art will be able to make the description as a whole and that the embodiments may be suitably combined to form other embodiments as will be appreciated by those skilled in the art.
Claims (4)
1. A resistance to deformation material fork which characterized in that: the material components comprise the following components in percentage by mass: c is less than or equal to 0.08 percent; si is less than or equal to 1.00 percent; mn is less than or equal to 2.00 percent; p is less than or equal to 0.035%; s is less than or equal to 0.03 percent; cr is more than or equal to 20 percent; ni is more than or equal to 12 percent; ti is more than or equal to 5 × C; mo: 0.3-0.60%; nb: 0.2 to 0.4 percent.
2. The anti-deformation fork of claim 1, wherein: the grain size of the material fork is controlled to be 5.0-8.0 grade; the nondestructive inspection grade of the material fork is grade II.
3. The anti-deformation fork of claim 1, wherein: the material fork meets the performance requirements that: the yield strength is 926-1030 MPa, the tensile strength is greater than or equal to 930MPa, and the elongation is greater than or equal to 10%.
4. The manufacturing method of the anti-deformation fork as claimed in any one of claims 1 to 3, characterized in that: which comprises the following steps:
s1, according to the mass percentage of the components: c is less than or equal to 0.08 percent; si is less than or equal to 1.00 percent; mn is less than or equal to 2.00 percent; p is less than or equal to 0.035%; s is less than or equal to 0.03 percent; cr is more than or equal to 20 percent; ni is more than or equal to 12 percent; ti is more than or equal to 5 × C; mo: 0.3-0.60%; nb: 0.2-0.4% of raw materials, and preparing a material ingot according to a conventional smelting and forging method;
s2, remelting the material ingot with electroslag and forging the material ingot into a blank;
s3, heating the prepared blank to 1200-1300 ℃ at the speed of 110-120 ℃/h in a heating furnace for the first time, preserving the heat for 4-7 h, performing solution treatment, and cooling, wherein the coolant is cooling water; then heating for the second time at 1050-1100 deg.C for 2.5h or longer; heating for the third time at 1250-1280 ℃ for more than or equal to 3.5 h; heating the blank to 1050-1150 ℃ for solution treatment, preserving heat for 1.5-2.5 h, and then cooling in air; and (3) re-annealing treatment: annealing at 950-1050 ℃ for 0.5-1 h, and then air cooling;
and S4, machining to remove the surface oxidation and defects of the blank and obtain the finished material fork.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010141653.7A CN111378889A (en) | 2020-03-03 | 2020-03-03 | Anti-deformation fork and manufacturing method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010141653.7A CN111378889A (en) | 2020-03-03 | 2020-03-03 | Anti-deformation fork and manufacturing method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN111378889A true CN111378889A (en) | 2020-07-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010141653.7A Pending CN111378889A (en) | 2020-03-03 | 2020-03-03 | Anti-deformation fork and manufacturing method thereof |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000073143A (en) * | 1998-06-16 | 2000-03-07 | Toshiba Corp | Iron-nickel alloy having high thermal expansibility and high hardness, spring material and parts for cathode-ray tube using it |
| CN105483448A (en) * | 2015-12-28 | 2016-04-13 | 钢铁研究总院 | Manufacturing method of nuclear nickel-base high-temperature alloy GH 4145 wire |
-
2020
- 2020-03-03 CN CN202010141653.7A patent/CN111378889A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000073143A (en) * | 1998-06-16 | 2000-03-07 | Toshiba Corp | Iron-nickel alloy having high thermal expansibility and high hardness, spring material and parts for cathode-ray tube using it |
| CN105483448A (en) * | 2015-12-28 | 2016-04-13 | 钢铁研究总院 | Manufacturing method of nuclear nickel-base high-temperature alloy GH 4145 wire |
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Application publication date: 20200707 |