CN115074488B - Rust-proof and corrosion-resistant spoke and processing method thereof - Google Patents
Rust-proof and corrosion-resistant spoke and processing method thereof Download PDFInfo
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- CN115074488B CN115074488B CN202210838313.9A CN202210838313A CN115074488B CN 115074488 B CN115074488 B CN 115074488B CN 202210838313 A CN202210838313 A CN 202210838313A CN 115074488 B CN115074488 B CN 115074488B
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- 238000005260 corrosion Methods 0.000 title claims abstract description 22
- 230000007797 corrosion Effects 0.000 title claims abstract description 22
- 238000003672 processing method Methods 0.000 title description 7
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 26
- 239000010959 steel Substances 0.000 claims abstract description 26
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 claims abstract description 16
- 239000012535 impurity Substances 0.000 claims abstract description 4
- 238000000034 method Methods 0.000 claims description 10
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 claims description 6
- 238000007670 refining Methods 0.000 claims description 6
- 239000002893 slag Substances 0.000 claims description 6
- 238000003754 machining Methods 0.000 claims description 4
- GNFTZDOKVXKIBK-UHFFFAOYSA-N 3-(2-methoxyethoxy)benzohydrazide Chemical compound COCCOC1=CC=CC(C(=O)NN)=C1 GNFTZDOKVXKIBK-UHFFFAOYSA-N 0.000 claims description 3
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 3
- 229910000720 Silicomanganese Inorganic materials 0.000 claims description 3
- 239000003513 alkali Substances 0.000 claims description 3
- 238000000137 annealing Methods 0.000 claims description 3
- 238000005255 carburizing Methods 0.000 claims description 3
- 239000003795 chemical substances by application Substances 0.000 claims description 3
- 238000004140 cleaning Methods 0.000 claims description 3
- 238000001816 cooling Methods 0.000 claims description 3
- 239000008367 deionised water Substances 0.000 claims description 3
- 229910021641 deionized water Inorganic materials 0.000 claims description 3
- 238000009792 diffusion process Methods 0.000 claims description 3
- 238000001035 drying Methods 0.000 claims description 3
- 238000010079 rubber tapping Methods 0.000 claims description 3
- 229910000029 sodium carbonate Inorganic materials 0.000 claims description 3
- 238000003756 stirring Methods 0.000 claims description 3
- 238000009210 therapy by ultrasound Methods 0.000 claims description 3
- 238000009849 vacuum degassing Methods 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 230000002401 inhibitory effect Effects 0.000 claims 1
- 239000000203 mixture Substances 0.000 abstract description 12
- 239000000126 substance Substances 0.000 abstract description 12
- 229910045601 alloy Inorganic materials 0.000 abstract description 7
- 239000000956 alloy Substances 0.000 abstract description 7
- 230000002035 prolonged effect Effects 0.000 abstract description 4
- 230000000694 effects Effects 0.000 description 4
- 238000009713 electroplating Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 150000003839 salts Chemical class 0.000 description 3
- 239000007921 spray Substances 0.000 description 3
- 230000002265 prevention Effects 0.000 description 2
- 239000010963 304 stainless steel Substances 0.000 description 1
- 229910000975 Carbon steel Inorganic materials 0.000 description 1
- 229910000589 SAE 304 stainless steel Inorganic materials 0.000 description 1
- 238000005275 alloying Methods 0.000 description 1
- 239000002519 antifouling agent Substances 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000010962 carbon steel Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 229910052761 rare earth metal Inorganic materials 0.000 description 1
Classifications
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- 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
- C21—METALLURGY OF IRON
- C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
- C21C7/00—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00
- C21C7/0006—Adding metallic additives
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
- C21C7/00—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00
- C21C7/0075—Treating in a ladle furnace, e.g. up-/reheating of molten steel within the ladle
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
- C21C7/00—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00
- C21C7/04—Removing impurities by adding a treating agent
- C21C7/06—Deoxidising, e.g. killing
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
- C21C7/00—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00
- C21C7/10—Handling in a vacuum
-
- 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
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/52—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for wires; for strips ; for rods of unlimited length
- C21D9/525—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for wires; for strips ; for rods of unlimited length for wire, for rods
-
- 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
- C22C38/005—Ferrous alloys, e.g. steel alloys containing rare earths, i.e. Sc, Y, Lanthanides
-
- 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
- C22C38/28—Ferrous alloys, e.g. steel alloys containing chromium with titanium or zirconium
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C8/00—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
- C23C8/40—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using liquids, e.g. salt baths, liquid suspensions
- C23C8/42—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using liquids, e.g. salt baths, liquid suspensions only one element being applied
- C23C8/44—Carburising
- C23C8/46—Carburising of ferrous surfaces
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23G—CLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
- C23G1/00—Cleaning or pickling metallic material with solutions or molten salts
- C23G1/14—Cleaning or pickling metallic material with solutions or molten salts with alkaline solutions
- C23G1/19—Iron or steel
-
- 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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/80—Technologies aiming to reduce greenhouse gasses emissions common to all road transportation technologies
- Y02T10/86—Optimisation of rolling resistance, e.g. weight reduction
Abstract
The application discloses an antirust and corrosion-resistant spoke, which comprises: comprises a spoke rod and a spoke cap, wherein the chemical compositions of the spoke rod and the spoke cap comprise the following components in mass percent: c:0.15 to 0.30 percent of Si:0.1 to 0.3 percent of Mn:0.35 to 1.05 percent of Cr:0.05 to 1.0 percent of Sr:0 to 1.0 percent, li:0 to 0.25 percent, ba:0 to 0.005 percent of Ti:0 to 0.3 percent of Mg:0 to 0.01 percent and La:0 to 0.005%, and the balance being Fe and impurities. According to the application, sr, li, ba, ti, mg and La are mixed into carburized molten steel, and each alloy element is controlled within the specified range of the application, so that the rust resistance and corrosion resistance of the spoke are improved, and the service life is prolonged.
Description
Technical Field
The application belongs to the technical field of bicycle spokes, and particularly relates to an anti-rust and corrosion-resistant spoke and a processing method thereof.
Background
The spokes are rods, bars or straight lines which are outwards stretched on the same plane by a center or a center, and the bicycle spokes, also called spokes, are straight sticks or steel bars which are connected with hubs and rims in wheels, and the spokes have the functions of improving the strength of the positive rims, supporting tires, adjusting the tightness of the spokes, ensuring the stability of the bicycle and the like in the bicycle.
In the processing process of the spoke, a layer of protective paint is plated on the surface of the formed steel bar to prolong the service life of the spoke, but the spoke produced by the method is easy to rust, has poor corrosion resistance, directly influences the service life of the spoke and is not environment-friendly in use, so the application provides the rust-proof and corrosion-resistant spoke and the processing method thereof to solve the problems.
Disclosure of Invention
In view of the above, the technical problem to be solved by the application is to provide an anti-rust and corrosion-resistant spoke and a processing method thereof, which are used for avoiding the trouble that the prior spoke is easy to rust and corrode and has a low service life.
In order to solve the technical problems, the application discloses an anti-rust and corrosion-resistant spoke, which comprises: comprises a spoke rod and a spoke cap, wherein the chemical compositions of the spoke rod and the spoke cap comprise the following components in mass percent:
c:0.15 to 0.30 percent of Si:0.1 to 0.3 percent of Mn:0.35 to 1.05 percent of Cr:0.05 to 1.0 percent of Sr:0 to 1.0 percent, li:0 to 0.25 percent, ba:0 to 0.005 percent of Ti:0 to 0.3 percent of Mg:0 to 0.01 percent and La:0 to 0.005% and the balance being Fe and impurities, wherein, when the contents of Si, cr, li and Ti are expressed as [ Si% ], [ Cr% ], [ Li% ], and [ Ti% ] in mass%, the following formula (1) is satisfied,
22.5≥15×[Si％]+6×[Cr％]+28×[Li％]+30×[Ti％]≥3.8；
when the contents of Mn, sr, ba and Mg are expressed as [ Mn% ], [ Sr% ], [ Ba% ] and [ Mg% ] in mass%, the following formula (2) is satisfied,
20.9≥7×[Mn％]+14×[Sr％]+32×[Ba％]+40×[Mg％]≥4.2。
according to an embodiment of the present application, the chemical composition contains, in mass%: li:0.15 to 0.25 percent of Ti:0.1 to 0.3% of one or more of the following components.
According to an embodiment of the present application, the chemical composition contains, in mass%: sr:0.2 to 1.0 percent, ba:0.001 to 0.005 percent of Mg: 0.005-0.01% of one or more of the following components.
According to an embodiment of the present application, the chemical composition contains, in mass%: la: 0.002-0.004%.
The application also discloses a processing method of the rust-proof and corrosion-resistant spoke, which comprises the following steps:
step a, providing carburized molten steel, adjusting the content of each element in the molten steel, tapping without slag or with less slag, and pre-deoxidizing by adopting silicomanganese;
pouring the smelted molten steel into a steel ladle, adding a refining agent, deoxidizing, deslagging and purifying the molten steel, and simultaneously adding one or more of Sr, li, ba, ti, mg and La according to mass percent for stirring and refining;
c, pouring the refined molten steel into vacuum degassing equipment to fully degas, and pouring the molten steel into a die to solidify to prepare a wire blank;
step d, cleaning the cooled wire rod, firstly adopting sodium carbonate alkali alcohol solution with the concentration of 2.0-4.0% and deionized water to carry out ultrasonic treatment for 30-45min, and then drying for standby to obtain a cleaned wire rod blank;
f, performing high-temperature diffusion annealing on the wire blank;
step g, carrying out surface hardening treatment by adopting a carburizing process, and cooling to obtain a wire rod finished product;
and h, machining to obtain the spoke rod and the spoke cap.
Compared with the prior art, the application can obtain the following technical effects:
sr, li, ba, ti, mg and La are mixed into carburized molten steel, and the alloy elements are controlled within the specified range of the application, so that the rust resistance and corrosion resistance of the spoke are improved, and the service life is prolonged.
Of course, it is not necessary for any one product embodying the application to achieve all of the technical effects described above at the same time.
Detailed Description
The following will describe embodiments of the present application in detail by referring to examples, so that the implementation process of how the present application applies technical means to solve technical problems and achieve technical effects can be fully understood and implemented.
The application discloses an antirust and corrosion-resistant spoke, which comprises: comprises a spoke rod and a spoke cap, wherein the chemical compositions of the spoke rod and the spoke cap comprise the following components in mass percent:
c:0.15 to 0.30 percent of Si:0.1 to 0.3 percent of Mn:0.35 to 1.05 percent of Cr:0.05 to 1.0 percent of Sr:0 to 1.0 percent, li:0 to 0.25 percent, ba:0 to 0.005 percent of Ti:0 to 0.3 percent of Mg:0 to 0.01 percent and La:0 to 0.005% and the balance being Fe and impurities, wherein, when the contents of Si, cr, li and Ti are expressed as [ Si% ], [ Cr% ], [ Li% ], and [ Ti% ] in mass%, the following formula (1) is satisfied,
22.5≥15×[Si％]+6×[Cr％]+28×[Li％]+30×[Ti％]≥3.8；
when the contents of Mn, sr, ba and Mg are expressed as [ Mn% ], [ Sr% ], [ Ba% ] and [ Mg% ] in mass%, the following formula (2) is satisfied,
20.9≥7×[Mn％]+14×[Sr％]+32×[Ba％]+40×[Mg％]≥4.2。
wherein C, si, mn, cr is a trace alloy element indispensable for carbon steel, and Sr, li, ba, ti, mg and La and other alloy elements are used for improving rust resistance and corrosion resistance, and one or more of the trace alloy elements are mixed and added.
Example 1: the chemical composition contains C in mass%: 0.15%, si:0.1%, mn:0.35%, cr:0.05%. It was found that in the present embodiment, the spoke produced by the process was sufficient in rigidity, but insufficient in salt spray resistance, and it was necessary to improve durability by plating an anticorrosive layer on the surface thereof.
Example 2: the chemical composition contains C in mass%: 0.30%, si:0.3%, mn:1.05%, cr:1.0%, sr:1.0%, li:0.25%, ba:0.005%, ti:0.3%, mg:0.01%, and La:0.005%. It was measured that in this embodiment, the spoke produced by the process has lower stiffness and toughness and stronger salt spray resistance, and the durability improvement is not required to be performed by electroplating an anticorrosive layer on the surface.
Example 3: the chemical composition comprises the following components in mass percent: c:0.2%, si:0.2%, mn:0.75%, cr:0.5%, sr:0.6%, li:0.2%, ti:0.1%, mg:0.005%, la:0.001%. It was measured that in this embodiment, the spokes produced by the process are strong in rigidity and salt spray resistance, and durability improvement is not required to be performed by electroplating an anticorrosive layer on the surface thereof. Among them, sr, li, ba, ti, mg and La and other alloying elements have the effects of rust prevention and corrosion resistance enhancement.
Through a plurality of experiments, when based on the formula (1),
22.5≥15×[Si％]+6×[Cr％]+28×[Li％]+30×[Ti％]≥3.8；
and (2),
20.9 Not less than 7 x [ Mn% ] +14 x [ Sr% ] +32 x [ Ba% ] +40 x [ Mg% ] is not less than 4.2; when the content of alloy elements is controlled, the quality of the prepared spoke wire is strongest, the rigidity and toughness of the spoke wire are developed maximally, the rust resistance and corrosion resistance are guaranteed maximally, no additional electroplating paint layer is needed, and the service life of the spoke wire is prolonged effectively.
Further, the chemical composition contains, in mass%: li:0.15 to 0.25 percent of Ti:0.1 to 0.3%, thereby obtaining stronger rust and corrosion resistance.
Further, the chemical composition contains, in mass%: sr:0.2 to 1.0 percent, ba:0.001 to 0.005 percent of Mg: 0.005-0.01%, thereby obtaining stronger rust and corrosion resistance.
In addition, the spoke chemical composition of the application comprises the following components in mass percent: la: 0.002-0.004%. The rare earth element is added appropriately to greatly enhance rust resistance and corrosion resistance.
The application also discloses a processing method of the rust-proof and corrosion-resistant spoke, which comprises the following steps:
step a, providing carburized molten steel, adjusting the content of each element in the molten steel, tapping without slag or with less slag, and pre-deoxidizing by adopting silicomanganese, wherein the pre-deoxidizing can be selected from 304 stainless steel which is commonly used in the market;
pouring the smelted molten steel into a steel ladle, adding a refining agent, deoxidizing, deslagging and purifying the molten steel, and simultaneously adding one or more of Sr, li, ba, ti, mg and La according to mass percent for stirring and refining;
c, pouring the refined molten steel into vacuum degassing equipment to fully degas, and pouring the molten steel into a die to solidify to prepare a wire blank;
step d, cleaning the cooled wire rod, firstly adopting sodium carbonate alkali alcohol solution with the concentration of 2.0-4.0% and deionized water to carry out ultrasonic treatment for 30-45min, and then drying for standby to obtain a cleaned wire rod blank;
f, performing high-temperature diffusion annealing on the wire blank;
step g, carrying out surface hardening treatment by adopting a carburizing process, and cooling to obtain a wire rod finished product;
and h, machining to obtain the spoke rod and the spoke cap.
In summary, according to the application, sr, li, ba, ti, mg and La are mixed into the carburized molten steel, and the alloy elements are controlled within the specified range of the application, so that the rust prevention and corrosion resistance of the spoke are improved, and the service life is prolonged.
While the foregoing description illustrates and describes the preferred embodiments of the present application, it is to be understood that the application is not limited to the forms disclosed herein, but is not to be construed as limited to other embodiments, and is capable of numerous other combinations, modifications and environments and is capable of changes or modifications within the scope of the inventive concept as described herein, either as a result of the foregoing teachings or as a result of the knowledge or technology in the relevant art. And that modifications and variations which do not depart from the spirit and scope of the application are intended to be within the scope of the appended claims.
Claims (2)
1. A rust-resistant and corrosion-resistant spoke comprising a spoke stem and a spoke cap, wherein the spoke stem and the spoke cap comprise in mass%:
c:0.15 to 0.30 percent of Si:0.1 to 0.3 percent of Mn:0.35 to 1.05 percent of Cr:0.05 to 1.0 percent of Sr:0.2 to 1.0 percent of Li:0.15 to 0.25 percent of Ba:0.001 to 0.005 percent of Ti:0.1 to 0.3 percent of Mg: 0.005-0.01%, and La:0.002 to 0.005% and the balance being Fe and impurities, wherein, when the contents of Si, cr, li and Ti are expressed as [ Si% ], [ Cr% ], [ Li% ], and [ Ti% ] in mass%, the following formula (1) is satisfied,
22.5≥15×[Si％]+6×[Cr％]+28×[Li％]+30×[Ti％]≥3.8；
when the contents of Mn, sr, ba and Mg are expressed as [ Mn% ], [ Sr% ], [ Ba% ] and [ Mg% ] in mass%, the following formula (2) is satisfied,
20.9≥7×[Mn％]+14×[Sr％]+32×[Ba％]+40×[Mg％]≥4.2。
2. a method of machining the rust inhibitive and corrosion resistant spoke of claim 1, comprising:
step a, providing carburized molten steel, adjusting the content of each element in the molten steel, tapping without slag or with less slag, and pre-deoxidizing by adopting silicomanganese;
pouring the smelted molten steel into a steel ladle, adding a refining agent, deoxidizing, deslagging and purifying the molten steel, and simultaneously adding one or more of Sr, li, ba, ti, mg and La according to mass percent for stirring and refining;
c, pouring the refined molten steel into vacuum degassing equipment to fully degas, and pouring the molten steel into a die to solidify to prepare a wire blank;
step d, cleaning the cooled wire rod, firstly adopting sodium carbonate alkali alcohol solution with the concentration of 2.0-4.0% and deionized water to carry out ultrasonic treatment for 30-45min, and then drying for standby to obtain a cleaned wire rod blank;
f, performing high-temperature diffusion annealing on the wire blank;
step g, carrying out surface hardening treatment by adopting a carburizing process, and cooling to obtain a wire rod finished product;
and h, machining to obtain the spoke rod and the spoke cap.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210838313.9A CN115074488B (en) | 2022-07-18 | 2022-07-18 | Rust-proof and corrosion-resistant spoke and processing method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210838313.9A CN115074488B (en) | 2022-07-18 | 2022-07-18 | Rust-proof and corrosion-resistant spoke and processing method thereof |
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| Publication Number | Publication Date |
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| CN115074488A CN115074488A (en) | 2022-09-20 |
| CN115074488B true CN115074488B (en) | 2023-12-15 |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101050507A (en) * | 2006-04-04 | 2007-10-10 | 株式会社神户制钢所 | Steel with excellent corrosion resistance for shipping |
| CN101583486A (en) * | 2006-10-30 | 2009-11-18 | 安赛乐米塔尔法国公司 | Coated steel strips, methods of making the same, methods of using the same, stamping blanks prepared from the same, stamped products prepared from the same, and articles of manufacture which contain s |
| CN101910426A (en) * | 2008-01-15 | 2010-12-08 | 安赛乐米塔尔法国公司 | Process for manufacturing stamped products, and stamped products prepared from the same |
| CN102416411A (en) * | 2011-11-10 | 2012-04-18 | 南京钢铁股份有限公司 | Manufacturing method of directly cold-drawn spring steel wire with excellent fatigue performance |
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| CN101050507A (en) * | 2006-04-04 | 2007-10-10 | 株式会社神户制钢所 | Steel with excellent corrosion resistance for shipping |
| CN101583486A (en) * | 2006-10-30 | 2009-11-18 | 安赛乐米塔尔法国公司 | Coated steel strips, methods of making the same, methods of using the same, stamping blanks prepared from the same, stamped products prepared from the same, and articles of manufacture which contain s |
| CN101910426A (en) * | 2008-01-15 | 2010-12-08 | 安赛乐米塔尔法国公司 | Process for manufacturing stamped products, and stamped products prepared from the same |
| CN102416411A (en) * | 2011-11-10 | 2012-04-18 | 南京钢铁股份有限公司 | Manufacturing method of directly cold-drawn spring steel wire with excellent fatigue performance |
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