CN106756607A - A kind of preparation method of automotive hub product - Google Patents
A kind of preparation method of automotive hub product Download PDFInfo
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- CN106756607A CN106756607A CN201611266365.4A CN201611266365A CN106756607A CN 106756607 A CN106756607 A CN 106756607A CN 201611266365 A CN201611266365 A CN 201611266365A CN 106756607 A CN106756607 A CN 106756607A
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- wheel hub
- hub product
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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
- C22C38/18—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
- C22C38/002—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
- C22C38/02—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
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/52—Ferrous alloys, e.g. steel alloys containing chromium with nickel with cobalt
-
- 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
-
- 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
- C23C4/00—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge
- C23C4/04—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge characterised by the coating material
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Plasma & Fusion (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Coating By Spraying Or Casting (AREA)
Abstract
The invention belongs to automotive hub technical field, and in particular to a kind of preparation method of automotive hub product, including raw material prepare, it is compressing, be surface-treated and spray several steps.The present invention has advantages below compared to existing technology：Alloy material one-time cast-forming after treatment in the present invention, optimize the microstructure of wheel hub product, make it have the compact textures such as the dendrite of fine uniform, improve the performance of wheel hub product, then in its surface spraying nano-layer structure after being surface-treated to it, greatly improve its case hardness, due to the addition of the materials such as samarium oxide and tungsten carbide in alloy material, its torsional property and intensity is set all to effectively improve, coating makes its surface have stronger corrosion resistance, it is difficult for drop-off, the service life of wheel hub can be extended, thermal diffusivity is good, reduction excessive oxidation for causing because wheel hub is heated.
Description
Technical field
The invention belongs to automotive hub technical field, and in particular to a kind of preparation method of automotive hub product.
Background technology
Automotive hub is installed on automobile for supporting the part of tire, some automotive hubs for using at present, particularly
The wheel hub of car, typically all primary concreting are formed, general three formers for using expanded letter formula, four formers or five former knots
Structure, when being clashed into use, will be present due to the damage that unbalance stress causes, and oil consumption be increased indirectly, and dissipate
Hot difference, in use can the quick aging because temperature is too high, cause tyre explosion, shorten the service life of tire,
Existing alloy wheel hub is lightweight, inertia resistance is small, is conducive to improving the driving performance of automobile, and thermal diffusivity is preferably, but closes
Golden material it is relatively costly, be unsuitable for Tui Gang cities forever, and steel wheel hub preparation process is simple, low production cost, but due to outer
Sight is not good, and weight is big, and inertia resistance is big, and thermal diffusivity is also poor, may get rusty in a humid environment, so as to influence wheel hub
Driving performance of automobile etc..
The content of the invention
The purpose of the present invention is directed to existing problem, there is provided a kind of preparation method of automotive hub product.
The present invention is achieved by the following technical solutions：A kind of preparation method of automotive hub product, including following step
Suddenly：
（1）Raw material prepares：By weight percentage, including carbon 0.8-1.0%, electrolytic cobalt 3.5-4.2%, molybdenum 1.6-3.2%, chromium
0.8-1.5%, nickel 0.25-0.35%, phosphorus 0.06-0.08%, silicon 0.2-0.4%, sulphur 0.002-0.01%, manganese 2.3-2.8%, samarium oxide
0.02-0.06%, tungsten carbide 1.2-1.8%, balance of iron；
（2）It is compressing：Melted in melting furnace after raw material is mixed, regulation melt temperature is 620-660 DEG C, is added wherein
It is the fining agent of 2-5% to enter equivalent to weight 0.06-0.08%, water content, after being kept for 6-10 minutes, is warming up to 720-760 DEG C, plus
Enter the lanthanide rare equivalent to melting liquid weight 0.1-0.2%, after being kept for 15-20 minutes, skimming is added equivalent to its weight
The machine oil of 0.2-0.4%, moulding by casting makees protection gas with nitrogen, whole in Autonet belt sintering kiln roasting 35-50 minutes
Shape, obtains wheel hub product；
Wherein, fining agent is formulated by the raw material of following weight portion：Graphite powder 35-40 parts, basic cobaltous carbonate 18-22 parts, receive
6-10 parts of lanthanum hydroxide of rice, 6-10 parts, sodium borohydride 3-5 parts, palladium chloride 2-4 parts of powdery titanium carbide；
（3）Surface treatment：Wheel hub product is put into acetone under normal temperature condition, is taken out with after ultrasonication 5-10 minutes,
Baked 25-30 minutes at 160-180 DEG C, it is standby；
（4）Spraying：Wheel hub product surface coating thickness after the treatment is 18-30 μm of coating, and coating raw material are utilized
After the compressed air atomization of 0.6-0.8MPa, plasma torch is injected by conveying gas, raw material adhere to wheel hub system after fusing
Product form coating behind surface；
Coating raw material include the raw material of following weight portion：Nano aluminium oxide 15-18 parts, cyanate ester resin 2-5 parts, nano silicon carbide
Silicon 2-5 parts, magnesia 4-7 parts.
Used as further improvement of these options, the grain fineness of the fining agent is 60-120nm.
Used as further improvement of these options, the sintering temperature in the sintering furnace is 1250-1400 DEG C.
As further improvement of these options, the step（3）In ultrasonication frequency be 22-24kHz.
Used as further improvement of these options, the grain diameter of the coating raw material is≤200nm, in conveying gas
Percentage by weight in body is 8-15%.
Used as further improvement of these options, the input gas is nitrogen, plasma torch generator during spraying
Operating voltage for 40-60 volt, operating current be 200-300 amperes, plasma torch generator muzzle is apart from wheel hub product
Distance is 50 ± 3cm.
The present invention has advantages below compared to existing technology：Alloy material one-time cast-forming after treatment in the present invention,
The microstructure of wheel hub product is optimized, the compact textures such as the dendrite of fine uniform are made it have, making for wheel hub product is improve
With performance, in its surface spraying nano-layer structure after being then surface-treated to it, greatly improve its case hardness, due to closing
The materials such as samarium oxide and tungsten carbide are with the addition of in golden material, its torsional property and intensity is all effectively improved, coating makes it
Surface has stronger corrosion resistance, difficult for drop-off, can extend the service life of wheel hub, and thermal diffusivity is good, reduces due to wheel hub
It is heated the excessively oxidation that causes.
Specific embodiment
Embodiment 1
A kind of preparation method of automotive hub product, comprises the following steps：
（1）Raw material prepares：By weight percentage, including carbon 0.8%, electrolytic cobalt 4.6%, molybdenum 1.8%, chromium 1.5%, nickel 0.25%, phosphorus
0.06%th, silicon 0.4%, sulphur 0.006%, manganese 2.6%, samarium oxide 0.04%, tungsten carbide 1.6%, balance of iron；
（2）It is compressing：Melted in melting furnace after raw material is mixed, regulation melt temperature is 650 DEG C, and phase is added wherein
When in the fining agent that weight 0.08%, water content is 4%, after being kept for 10 minutes, being warming up to 740 DEG C, add equivalent to melting liquid weight
The lanthanide rare of amount 0.2%, after being kept for 18 minutes, skimming adds the machine oil equivalent to its weight 0.3%, moulding by casting to use nitrogen
Make protection gas, in Autonet belt sintering stove, sintering temperature to be calcined 50 minutes under conditions of 1300 DEG C, taken turns by shaping
Hub product；
Wherein, fining agent is formulated by the raw material of following weight portion：40 parts of graphite powder, basic cobaltous carbonate 22 part, nanometer hydrogen-oxygen
Change 10 parts of lanthanum, 10 parts of powdery titanium carbide, 4 parts of sodium borohydride, 3 parts of palladium chloride；
（3）Surface treatment：Wheel hub product is put into acetone under normal temperature condition, is 10 points of 24kHz ultrasonications with frequency
Taken out after clock, baked 25 minutes at 160 DEG C, it is standby；
（4）Spraying：Wheel hub product surface coating thickness after the treatment is 22 μm of coating, and coating raw material are utilized
After the compressed air atomization of 0.6MPa, plasma torch is injected by conveying gas, raw material adhere to wheel hub product table after fusing
Coating is formed behind face；
Coating raw material include the raw material of following weight portion：16 parts of nano aluminium oxide, 4 parts of cyanate ester resin, nanometer silicon carbide 3
Part, 6 parts of magnesia.
Wherein, the grain fineness of the fining agent is 60-120nm；The grain diameter of the coating raw material for≤
200nm, the percentage by weight in gas is conveyed is 8-15%.
Wherein, the input gas is nitrogen, and the operating voltage of plasma torch generator is 40 volts, work electricity during spraying
It is 200 amperes to flow, and plasma torch generator muzzle is 50 ± 3cm apart from the distance of wheel hub product.
Embodiment 2
A kind of preparation method of automotive hub product, comprises the following steps：
（1）Raw material prepares：By weight percentage, including carbon 1.0%, electrolytic cobalt 3.6%, molybdenum 3.2%, chromium 0.8%, nickel 0.3%, phosphorus
0.06%th, silicon 0.4%, sulphur 0.005%, manganese 2.8%, samarium oxide 0.04%, tungsten carbide 1.5%, balance of iron；
（2）It is compressing：Melted in melting furnace after raw material is mixed, regulation melt temperature is 620 DEG C, and phase is added wherein
When in the fining agent that weight 0.06%, water content is 5%, after being kept for 10 minutes, being warming up to 760 DEG C, add equivalent to melting liquid weight
The lanthanide rare of amount 0.2%, after being kept for 20 minutes, skimming adds the machine oil equivalent to its weight 0.4%, moulding by casting to use nitrogen
Make protection gas, in Autonet belt sintering stove, sintering temperature to be calcined 50 minutes under conditions of 1250 DEG C, taken turns by shaping
Hub product；
Wherein, fining agent is formulated by the raw material of following weight portion：38 parts of graphite powder, basic cobaltous carbonate 22 part, nanometer hydrogen-oxygen
Change 6 parts of lanthanum, 6 parts of powdery titanium carbide, 5 parts of sodium borohydride, 4 parts of palladium chloride；
（3）Surface treatment：Wheel hub product is put into acetone under normal temperature condition, is 10 points of 24kHz ultrasonications with frequency
Taken out after clock, baked 30 minutes at 160 DEG C, it is standby；
（4）Spraying：Wheel hub product surface coating thickness after the treatment is 20 μm of coating, and coating raw material are utilized
After the compressed air atomization of 0.6MPa, plasma torch is injected by conveying gas, raw material adhere to wheel hub product table after fusing
Coating is formed behind face；
Coating raw material include the raw material of following weight portion：16 parts of nano aluminium oxide, 2 parts of cyanate ester resin, nanometer silicon carbide 5
Part, 7 parts of magnesia.
Embodiment 3
A kind of preparation method of automotive hub product, comprises the following steps：
（1）Raw material prepares：By weight percentage, including carbon 1.0%, electrolytic cobalt 4.2%, molybdenum 2.2%, chromium 1.4%, nickel 0.28%, phosphorus
0.06%th, silicon 0.4%, sulphur 0.008%, manganese 2.5%, samarium oxide 0.04%, tungsten carbide 1.5%, balance of iron；
（2）It is compressing：Melted in melting furnace after raw material is mixed, regulation melt temperature is 660 DEG C, and phase is added wherein
When in the fining agent that weight 0.08%, water content is 5%, after being kept for 10 minutes, being warming up to 720 DEG C, add equivalent to melting liquid weight
The lanthanide rare of amount 0.2%, after being kept for 20 minutes, skimming adds the machine oil equivalent to its weight 0.4%, moulding by casting to use nitrogen
Make protection gas, in Autonet belt sintering stove, sintering temperature to be calcined 40 minutes under conditions of 1400 DEG C, taken turns by shaping
Hub product；
Wherein, fining agent is formulated by the raw material of following weight portion：40 parts of graphite powder, basic cobaltous carbonate 18 part, nanometer hydrogen-oxygen
Change 10 parts of lanthanum, 6 parts of powdery titanium carbide, 5 parts of sodium borohydride, 2 parts of palladium chloride；
（3）Surface treatment：Wheel hub product is put into acetone under normal temperature condition, is 23kHz ultrasonications 8 minutes with frequency
After take out, at 160 DEG C bake 25 minutes, it is standby；
（4）Spraying：Wheel hub product surface coating thickness after the treatment is 30 μm of coating, and coating raw material are utilized
After the compressed air atomization of 0.8MPa, plasma torch is injected by conveying gas, raw material adhere to wheel hub product table after fusing
Coating is formed behind face；
Coating raw material include the raw material of following weight portion：18 parts of nano aluminium oxide, 2 parts of cyanate ester resin, nanometer silicon carbide 4
Part, 6 parts of magnesia.
Embodiment 4
A kind of preparation method of automotive hub product, comprises the following steps：
（1）Raw material prepares：By weight percentage, including carbon 0.8%, electrolytic cobalt 4.6%, molybdenum 1.8%, chromium 1.5%, nickel 0.25%, phosphorus
0.06%th, silicon 0.4%, sulphur 0.006%, manganese 2.6%, samarium oxide 0.04%, tungsten carbide 1.6%, balance of iron；
（2）It is compressing：Melted in melting furnace after raw material is mixed, regulation melt temperature is 650 DEG C, and phase is added wherein
When in the fining agent that weight 0.08%, water content is 4%, after being kept for 10 minutes, being warming up to 740 DEG C, add equivalent to melting liquid weight
The lanthanide rare of amount 0.2%, after being kept for 18 minutes, skimming adds the machine oil equivalent to its weight 0.3%, moulding by casting to use nitrogen
Make protection gas, in Autonet belt sintering stove, sintering temperature to be calcined 50 minutes under conditions of 1300 DEG C, taken turns by shaping
Hub product；
Wherein, fining agent is formulated by the raw material of following weight portion：40 parts of graphite powder, basic cobaltous carbonate 22 part, nanometer hydrogen-oxygen
Change 10 parts of lanthanum, 10 parts of powdery titanium carbide, 4 parts of sodium borohydride, 3 parts of palladium chloride.
Performance detection is carried out to obtained automotive hub in embodiment 1-4, setting control group is existing commercially available ferroalloy wheel
Hub, wherein corrosion-resistant test includes：Using 20% sodium chloride solution, 15% hydrochloric acid solution, 20% sodium hydroxide solution and sample contacts
After 48 hours, smear layer is observed, test result is as follows：
Table 1
| Project | Embodiment 1 | Embodiment 2 | Embodiment 3 | Embodiment 4 | Control group |
| Yield strength（MPa） | 264 | 258 | 262 | 249 | 236 |
| Tensile strength（MPa） | 472 | 476 | 475 | 458 | 425 |
| Elongation（%） | 26 | 25 | 26 | 25 | 25 |
| 20% sodium chloride solution corrodes | It is unchanged | It is unchanged | It is unchanged | It is unchanged | There is pore to occur |
| 15% hydrochloric acid solution corrodes | It is unchanged | It is unchanged | It is unchanged | There is pore to occur | There is pit to occur |
| 20% sodium hydroxide solution | It is unchanged | It is unchanged | It is unchanged | There is pore to occur | Obvious pit occurs |
The automotive hub better performances that prepared by method in the present invention are can be seen that by data in table 1, with certain corrosion-resistant
Property, can effectively extend the service life of automotive hub, it is favorably improved the driving performance of automobile.
Claims (6)
1. a kind of preparation method of automotive hub product, it is characterised in that comprise the following steps：
（1）Raw material prepares：By weight percentage, including carbon 0.8-1.0%, electrolytic cobalt 3.5-4.2%, molybdenum 1.6-3.2%, chromium
0.8-1.5%, nickel 0.25-0.35%, phosphorus 0.06-0.08%, silicon 0.2-0.4%, sulphur 0.002-0.01%, manganese 2.3-2.8%, samarium oxide
0.02-0.06%, tungsten carbide 1.2-1.8%, balance of iron；
（2）It is compressing：Melted in melting furnace after raw material is mixed, regulation melt temperature is 620-660 DEG C, is added wherein
It is the fining agent of 2-5% to enter equivalent to weight 0.06-0.08%, water content, after being kept for 6-10 minutes, is warming up to 720-760 DEG C, plus
Enter the lanthanide rare equivalent to melting liquid weight 0.1-0.2%, after being kept for 15-20 minutes, skimming is added equivalent to its weight
The machine oil of 0.2-0.4%, moulding by casting makees protection gas with nitrogen, whole in Autonet belt sintering kiln roasting 35-50 minutes
Shape, obtains wheel hub product；
Wherein, fining agent is formulated by the raw material of following weight portion：Graphite powder 35-40 parts, basic cobaltous carbonate 18-22 parts, receive
6-10 parts of lanthanum hydroxide of rice, 6-10 parts, sodium borohydride 3-5 parts, palladium chloride 2-4 parts of powdery titanium carbide；
（3）Surface treatment：Wheel hub product is put into acetone under normal temperature condition, is taken out with after ultrasonication 5-10 minutes,
Baked 25-30 minutes at 160-180 DEG C, it is standby；
（4）Spraying：Wheel hub product surface coating thickness after the treatment is 18-30 μm of coating, and coating raw material are utilized
After the compressed air atomization of 0.6-0.8MPa, plasma torch is injected by conveying gas, raw material adhere to wheel hub system after fusing
Product form coating behind surface；
Coating raw material include the raw material of following weight portion：Nano aluminium oxide 15-18 parts, cyanate ester resin 2-5 parts, nano silicon carbide
Silicon 2-5 parts, magnesia 4-7 parts.
2. as claimed in claim 1 a kind of preparation method of automotive hub product, it is characterised in that the particle of the fining agent is thin
It is 60-120nm to spend.
3. as claimed in claim 1 a kind of preparation method of automotive hub product, it is characterised in that the roasting in the sintering furnace
Temperature is 1250-1400 DEG C.
4. as claimed in claim 1 a kind of preparation method of automotive hub product, it is characterised in that the step（3）In it is super
Sonicated frequency is 22-24kHz.
5. as claimed in claim 1 a kind of preparation method of automotive hub product, it is characterised in that the coating raw material
Grain particle diameter is≤200nm, and the percentage by weight in gas is conveyed is 8-15%.
6. as claimed in claim 1 a kind of preparation method of automotive hub product, it is characterised in that the input gas be nitrogen
Gas, the operating voltage of plasma torch generator is that 40-60 is lied prostrate, operating current is 200-300 amperes, plasma torch during spraying
Generator muzzle is 50 ± 3cm apart from the distance of wheel hub product.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611266365.4A CN106756607B (en) | 2016-12-31 | 2016-12-31 | A kind of preparation method of automotive hub product |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611266365.4A CN106756607B (en) | 2016-12-31 | 2016-12-31 | A kind of preparation method of automotive hub product |
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| CN106756607B CN106756607B (en) | 2019-07-05 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108342677A (en) * | 2018-03-13 | 2018-07-31 | 中国神华能源股份有限公司 | The wheel and its manufacturing method of rolling stock |
| CN109913918A (en) * | 2019-03-22 | 2019-06-21 | 威海万丰镁业科技发展有限公司 | Hub of motorcycle composite plating method |
| CN112593165A (en) * | 2020-12-09 | 2021-04-02 | 钟元 | Casting method of cast iron hub |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2005060721A (en) * | 2003-08-08 | 2005-03-10 | Jfe Steel Kk | Steel material superior in delayed fracture resistance and fatigue characteristic, and manufacturing method therefor |
| CN101376948A (en) * | 2007-08-27 | 2009-03-04 | 宝山钢铁股份有限公司 | Low-cost high-purity medium carbon bearing steel for automobile hub and manufacturing method thereof |
| JP2009197314A (en) * | 2007-05-18 | 2009-09-03 | Jfe Steel Corp | Component for machine structure |
| CN105526190A (en) * | 2016-01-21 | 2016-04-27 | 大丰市海纳机械有限公司 | Automobile engine cooling water pump alloy structural steel die forging hub |
| CN105568134A (en) * | 2016-01-05 | 2016-05-11 | 江阴兴澄特种钢铁有限公司 | Steel for carbon hub bearing of microalloying car and production method thereof |
-
2016
- 2016-12-31 CN CN201611266365.4A patent/CN106756607B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005060721A (en) * | 2003-08-08 | 2005-03-10 | Jfe Steel Kk | Steel material superior in delayed fracture resistance and fatigue characteristic, and manufacturing method therefor |
| JP2009197314A (en) * | 2007-05-18 | 2009-09-03 | Jfe Steel Corp | Component for machine structure |
| CN101376948A (en) * | 2007-08-27 | 2009-03-04 | 宝山钢铁股份有限公司 | Low-cost high-purity medium carbon bearing steel for automobile hub and manufacturing method thereof |
| CN105568134A (en) * | 2016-01-05 | 2016-05-11 | 江阴兴澄特种钢铁有限公司 | Steel for carbon hub bearing of microalloying car and production method thereof |
| CN105526190A (en) * | 2016-01-21 | 2016-04-27 | 大丰市海纳机械有限公司 | Automobile engine cooling water pump alloy structural steel die forging hub |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108342677A (en) * | 2018-03-13 | 2018-07-31 | 中国神华能源股份有限公司 | The wheel and its manufacturing method of rolling stock |
| CN109913918A (en) * | 2019-03-22 | 2019-06-21 | 威海万丰镁业科技发展有限公司 | Hub of motorcycle composite plating method |
| CN112593165A (en) * | 2020-12-09 | 2021-04-02 | 钟元 | Casting method of cast iron hub |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106756607B (en) | 2019-07-05 |
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