CN104164630A - High-strength corrosion-resistant automobile accessory alloy steel material and manufacturing method thereof - Google Patents
High-strength corrosion-resistant automobile accessory alloy steel material and manufacturing method thereof Download PDFInfo
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- CN104164630A CN104164630A CN201410357845.6A CN201410357845A CN104164630A CN 104164630 A CN104164630 A CN 104164630A CN 201410357845 A CN201410357845 A CN 201410357845A CN 104164630 A CN104164630 A CN 104164630A
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- steel material
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- 229910000851 Alloy steel Inorganic materials 0.000 title claims abstract description 21
- 239000000463 material Substances 0.000 title claims abstract description 18
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 11
- 238000005260 corrosion Methods 0.000 title abstract description 10
- 230000007797 corrosion Effects 0.000 title abstract description 10
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims abstract description 18
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 claims abstract description 9
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims abstract description 9
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims abstract description 9
- 239000011651 chromium Substances 0.000 claims abstract description 9
- WUAPFZMCVAUBPE-UHFFFAOYSA-N rhenium atom Chemical compound [Re] WUAPFZMCVAUBPE-UHFFFAOYSA-N 0.000 claims abstract description 9
- 239000010936 titanium Substances 0.000 claims abstract description 9
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 8
- 229910052710 silicon Inorganic materials 0.000 claims abstract description 6
- 239000010703 silicon Substances 0.000 claims abstract description 6
- 229910000521 B alloy Inorganic materials 0.000 claims abstract description 5
- 229910000599 Cr alloy Inorganic materials 0.000 claims abstract description 5
- 229910001029 Hf alloy Inorganic materials 0.000 claims abstract description 5
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 claims abstract description 5
- 229910000990 Ni alloy Inorganic materials 0.000 claims abstract description 5
- 229910000691 Re alloy Inorganic materials 0.000 claims abstract description 5
- 229910001069 Ti alloy Inorganic materials 0.000 claims abstract description 5
- 229910052748 manganese Inorganic materials 0.000 claims abstract description 5
- 239000011572 manganese Substances 0.000 claims abstract description 5
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 4
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims abstract description 4
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims abstract description 4
- 229910052796 boron Inorganic materials 0.000 claims abstract description 4
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 4
- 229910052804 chromium Inorganic materials 0.000 claims abstract description 4
- 229910052735 hafnium Inorganic materials 0.000 claims abstract description 4
- VBJZVLUMGGDVMO-UHFFFAOYSA-N hafnium atom Chemical compound [Hf] VBJZVLUMGGDVMO-UHFFFAOYSA-N 0.000 claims abstract description 4
- 238000010438 heat treatment Methods 0.000 claims abstract description 4
- 229910052742 iron Inorganic materials 0.000 claims abstract description 4
- 229910052759 nickel Inorganic materials 0.000 claims abstract description 4
- 229910052698 phosphorus Inorganic materials 0.000 claims abstract description 4
- 239000011574 phosphorus Substances 0.000 claims abstract description 4
- 229910052702 rhenium Inorganic materials 0.000 claims abstract description 4
- 229910052719 titanium Inorganic materials 0.000 claims abstract description 4
- 238000005242 forging Methods 0.000 claims description 12
- 229910000831 Steel Inorganic materials 0.000 claims description 10
- 239000010959 steel Substances 0.000 claims description 10
- 238000010792 warming Methods 0.000 claims description 9
- 230000006698 induction Effects 0.000 claims description 6
- 238000010791 quenching Methods 0.000 claims description 6
- 238000009413 insulation Methods 0.000 claims description 5
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 4
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 claims description 3
- 229910000616 Ferromanganese Inorganic materials 0.000 claims description 3
- 229910000519 Ferrosilicon Inorganic materials 0.000 claims description 3
- 239000005864 Sulphur Substances 0.000 claims description 3
- 229910045601 alloy Inorganic materials 0.000 claims description 3
- 239000000956 alloy Substances 0.000 claims description 3
- 238000005275 alloying Methods 0.000 claims description 3
- 238000004458 analytical method Methods 0.000 claims description 3
- 238000005266 casting Methods 0.000 claims description 3
- 229910052729 chemical element Inorganic materials 0.000 claims description 3
- 238000001816 cooling Methods 0.000 claims description 3
- 238000006477 desulfuration reaction Methods 0.000 claims description 3
- 230000023556 desulfurization Effects 0.000 claims description 3
- 238000010891 electric arc Methods 0.000 claims description 3
- 238000005098 hot rolling Methods 0.000 claims description 3
- 239000004615 ingredient Substances 0.000 claims description 3
- DALUDRGQOYMVLD-UHFFFAOYSA-N iron manganese Chemical compound [Mn].[Fe] DALUDRGQOYMVLD-UHFFFAOYSA-N 0.000 claims description 3
- 238000002844 melting Methods 0.000 claims description 3
- 230000008018 melting Effects 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 3
- 238000007670 refining Methods 0.000 claims description 3
- 238000010079 rubber tapping Methods 0.000 claims description 3
- 238000003756 stirring Methods 0.000 claims description 3
- 239000000758 substrate Substances 0.000 claims description 3
- 238000005496 tempering Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 3
- WPBNNNQJVZRUHP-UHFFFAOYSA-L manganese(2+);methyl n-[[2-(methoxycarbonylcarbamothioylamino)phenyl]carbamothioyl]carbamate;n-[2-(sulfidocarbothioylamino)ethyl]carbamodithioate Chemical compound [Mn+2].[S-]C(=S)NCCNC([S-])=S.COC(=O)NC(=S)NC1=CC=CC=C1NC(=S)NC(=O)OC WPBNNNQJVZRUHP-UHFFFAOYSA-L 0.000 abstract 1
- 229910052717 sulfur Inorganic materials 0.000 abstract 1
- 239000011593 sulfur Substances 0.000 abstract 1
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 1
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
- 239000001117 sulphuric acid Substances 0.000 description 1
- 235000011149 sulphuric acid Nutrition 0.000 description 1
- 238000007669 thermal treatment Methods 0.000 description 1
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- Heat Treatment Of Steel (AREA)
Abstract
The invention discloses a high-strength corrosion-resistant automobile accessory alloy steel material and a manufacturing method thereof. The high-strength corrosion-resistant automobile accessory alloy steel material comprises, by mass, 0.34-0.46% of carbon, 0.2-0.5% of silicon, 0.06-0.07% of manganese, 0.1-0.15% of nickel, 0.15-0.18% of titanium, 0.034-0.037% of rhenium, 0.02-0.04% of chromium, 0.035-0.058% of boron, 0.03-0.05% of hafnium, 0.2-0.4% of sulfur, less than or equal to 0.02% of phosphorus and the balance iron. The high-strength corrosion-resistant automobile accessory alloy steel material has good corrosion resistance. The manufacturing method uses nickel, titanium, rhenium, chromium, boron and hafnium alloy elements, keeps the silicon and manganese content and adopts a normalizing treatment process unused in the conventional industrial heat treatment process. The high-strength corrosion-resistant automobile accessory alloy steel material has substantially improved comprehensive mechanical properties, has a low comprehensive cost and can completely satisfy use requirements on the automobile accessory alloy steel material.
Description
Technical field
The present invention relates to a kind of steel alloy and manufacture method thereof, particularly a kind of manufacturing process of high-strength corrosion-resisting auto parts machinery alloy steel material.
Background technology
The metal kit of automobile not only has higher requirement in structural strength and function, no less important in mechanical workout simultaneously, and such requirement is not only and is met the primary condition that automobile uses, and is also the safe and reliable guarantee increasing the service life simultaneously.
In prior art, producing the steel of auto parts machinery is common middle low levels steel alloy, and because these automobile metal accessories are generally moving partss frequently using in function, wear rate is very high, changes frequently, has increased maintenance cost; Search out a kind of hardness and wear resisting property of improving, it is extremely important that the steel alloy of the middle low levels that piece surface resistance toheat is high simultaneously just shows.
Summary of the invention
The object of the present invention is to provide a kind of manufacturing process of high-strength corrosion-resisting auto parts machinery alloy steel material.
The present invention adopts following technical scheme:
High-strength corrosion-resisting auto parts machinery alloy steel material, chemical element composition and mass percent thereof that it contains are: carbon 0.34-0.46%, silicon 0.2-0.5%, manganese 0.06-0.07%, nickel 0.1-0.15%, titanium 0.15-0.18%, rhenium 0.034-0.037%, chromium 0.02-0.04%, boron 0.035-0.058%, hafnium 0.03-0.05%, sulphur 0.2-0.4%, phosphorus≤0.02%, surplus are iron.
The manufacturing process of high-strength corrosion-resisting auto parts machinery alloy steel material, comprises the following steps:
(1) ferrosilicon and ferromanganese are dropped in vacuum induction furnace and melted in 6.5-7.5:1 ratio, then add steel scrap, originate as ferrous substrate; Carry out desulfurization, deoxidation; Then add successively nickel, titanium, rhenium, chromium, boron and hafnium alloy element alloyed, described each alloy adding be its formula in separately mass percent 1/3, controlling pressure in induction furnace is 0.0005-0.0007Mpa, Heating temperature is to 1400-1600 DEG C, hot rolling after melting, makes steel billet after cooling;
(2) steel billet of step (1) is put into electric arc furnace and be melted to molten state, be incubated 2-4h, then add wherein each alloying element of residual content, stir, insulation 20-30 minute, at 1400-1530 DEG C of refining 50-60min, after insulation 20-30min, sample, after analysis ingredient, adjusting component, fusing 15-20min, casting, tapping temperature is 1480-1550 DEG C;
(3) profiled member in step (2) is forged, open forging temperature >=1160 DEG C, final forging temperature >=720 DEG C, forging deformation amount >=25%, after forging, foundry goods is warming up to 950 DEG C-980 DEG C and carries out normalizing, after normalizing treatment, be warming up to 800 DEG C-870 DEG C and quench, after quench treatment, be warming up to 480 DEG C-550 DEG C and carry out high tempering, obtain finished product.
Beneficial effect of the present invention:
Alloy steel material of the present invention has good corrosion resistance nature, nickel, titanium, rhenium, chromium, boron and hafnium alloy element in formula, are added, keep the content of silicon and manganese constant, and than conventional industrialization thermal treatment process many a step normalizing treatment, comprehensive mechanical performance has had and has significantly improved, comprehensive cost is not high, can meet the service requirements of auto parts machinery alloy steel material completely.
Embodiment
Embodiment 1: high-strength corrosion-resisting auto parts machinery alloy steel material, chemical element composition and mass percent thereof that it contains are: carbon 0.4%, silicon 0.35%, manganese 0.065%, nickel 0.12%, titanium 0.16%, rhenium 0.035%, chromium 0.03%, boron 0.04%, hafnium 0.04%, sulphur 0.3%, phosphorus≤0.02%, surplus are iron.
The manufacturing process of high-strength corrosion-resisting auto parts machinery alloy steel material, comprises the following steps:
(1) ferrosilicon and ferromanganese are dropped in vacuum induction furnace and melted in 7:1 ratio, then add steel scrap, originate as ferrous substrate; Carry out desulfurization, deoxidation; Then add successively nickel, titanium, rhenium, chromium, boron and hafnium alloy element alloyed, described each alloy adding is in its formula separately 1/3 of mass percent, and controlling pressure in induction furnace is 0.0006Mpa, Heating temperature to 1550 DEG C, hot rolling after melting, makes steel billet after cooling;
(2) steel billet of step (1) is put into electric arc furnace and be melted to molten state, be incubated 3h, then add wherein each alloying element of residual content, stir, be incubated 25 minutes, at 1400-1530 DEG C of refining 50-60min, after insulation 20-30min, sample, after analysis ingredient, adjusting component, fusing 15-20min, casting, tapping temperature is 1480-1550 DEG C;
(3) profiled member in step (2) is forged, open forging temperature >=1160 DEG C, final forging temperature >=720 DEG C, forging deformation amount >=25%, after forging, foundry goods is warming up to 970 DEG C and carries out normalizing, after normalizing treatment, be warming up to 850 DEG C and quench, after quench treatment, be warming up to 500 DEG C and carry out high tempering, obtain finished product.
The present invention manufacture auto parts machinery testing data: tensile strength sigma b>=1170MPa; Yield strength σ 0.2>=980MPa; Room temperature impelling strength α ku (42 DEG C)>=74J/cm
2; Low-temperature impact toughness σ ku (40 DEG C)>=30J/cm
2; Hardness HRC35-40; The corrosion condition of alloy steel material of the present invention in the NaCl of 5wt% solution is 0.0003-0.0004mm/, in the sulphuric acid soln of 10wt%, corrosion condition is 0.0018-0.0025mm/, and in the potassium hydroxide solution of 10wt%, corrosion condition is 0.001-0.003mm/.
Claims (2)
1. a high-strength corrosion-resisting auto parts machinery alloy steel material, is characterized in that: chemical element composition and mass percent thereof that it contains are: carbon 0.34-0.46%, silicon 0.2-0.5%, manganese 0.06-0.07%, nickel 0.1-0.15%, titanium 0.15-0.18%, rhenium 0.034-0.037%, chromium 0.02-0.04%, boron 0.035-0.058%, hafnium 0.03-0.05%, sulphur 0.2-0.4%, phosphorus≤0.02%, surplus are iron.
2. a manufacturing process for high-strength corrosion-resisting auto parts machinery alloy steel material as claimed in claim 1, is characterized in that comprising the following steps:
(1) ferrosilicon and ferromanganese are dropped in vacuum induction furnace and melted in 6.5-7.5:1 ratio, then add steel scrap, originate as ferrous substrate; Carry out desulfurization, deoxidation; Then add successively nickel, titanium, rhenium, chromium, boron and hafnium alloy element alloyed, described each alloy adding be its formula in separately mass percent 1/3, controlling pressure in induction furnace is 0.0005-0.0007Mpa, Heating temperature is to 1400-1600 DEG C, hot rolling after melting, makes steel billet after cooling;
(2) steel billet of step (1) is put into electric arc furnace and be melted to molten state, be incubated 2-4h, then add wherein each alloying element of residual content, stir, insulation 20-30 minute, at 1400-1530 DEG C of refining 50-60min, after insulation 20-30min, sample, after analysis ingredient, adjusting component, fusing 15-20min, casting, tapping temperature is 1480-1550 DEG C;
(3) profiled member in step (2) is forged, open forging temperature >=1160 DEG C, final forging temperature >=720 DEG C, forging deformation amount >=25%, after forging, foundry goods is warming up to 950 DEG C-980 DEG C and carries out normalizing, after normalizing treatment, be warming up to 800 DEG C-870 DEG C and quench, after quench treatment, be warming up to 480 DEG C-550 DEG C and carry out high tempering, obtain finished product.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410357845.6A CN104164630B (en) | 2014-07-25 | 2014-07-25 | A kind of high-strength corrosion-resisting auto parts machinery alloy steel material and manufacturing process thereof |
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| CN201410357845.6A CN104164630B (en) | 2014-07-25 | 2014-07-25 | A kind of high-strength corrosion-resisting auto parts machinery alloy steel material and manufacturing process thereof |
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| CN104164630B CN104164630B (en) | 2016-05-25 |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105024306A (en) * | 2015-08-04 | 2015-11-04 | 国网河南省电力公司新乡供电公司 | Rapid repair hydraulic device convenient to assemble and disassemble for power transmission line iron tower |
| CN105506456A (en) * | 2015-12-24 | 2016-04-20 | 芜湖恒耀汽车零部件有限公司 | Exhaust pipe of composite material and preparation method of exhaust pipe |
| CN106086636A (en) * | 2016-06-12 | 2016-11-09 | 马鞍山市三川机械制造有限公司 | A kind of auto parts and components steel of antiwear heat resisting and preparation method thereof |
| CN108660351A (en) * | 2018-05-10 | 2018-10-16 | 苏州耐思特塑胶有限公司 | A kind of preparation method of auto parts machinery alloy material |
| PL422261A1 (en) * | 2017-07-18 | 2019-01-28 | Instytut Metalurgii Żelaza im. Stanisława Staszica | Method for producing steel with rhenium |
| CN111020543A (en) * | 2019-11-27 | 2020-04-17 | 太仓市珠港金属制品有限公司 | High-strength corrosion-resistant new energy electric car support piece and preparation method thereof |
| CN113833461A (en) * | 2021-10-25 | 2021-12-24 | 徐州中矿汇弘矿山设备有限公司 | Coal mining machine roller assembly and coal mining machine |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105024306A (en) * | 2015-08-04 | 2015-11-04 | 国网河南省电力公司新乡供电公司 | Rapid repair hydraulic device convenient to assemble and disassemble for power transmission line iron tower |
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| CN105506456A (en) * | 2015-12-24 | 2016-04-20 | 芜湖恒耀汽车零部件有限公司 | Exhaust pipe of composite material and preparation method of exhaust pipe |
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| CN108660351A (en) * | 2018-05-10 | 2018-10-16 | 苏州耐思特塑胶有限公司 | A kind of preparation method of auto parts machinery alloy material |
| CN111020543A (en) * | 2019-11-27 | 2020-04-17 | 太仓市珠港金属制品有限公司 | High-strength corrosion-resistant new energy electric car support piece and preparation method thereof |
| CN113833461A (en) * | 2021-10-25 | 2021-12-24 | 徐州中矿汇弘矿山设备有限公司 | Coal mining machine roller assembly and coal mining machine |
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| CN104164630B (en) | 2016-05-25 |
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