CN103882310A - Corrosion-resistant high-carbon steel alloy material and preparation method thereof - Google Patents
Corrosion-resistant high-carbon steel alloy material and preparation method thereof Download PDFInfo
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- 238000005260 corrosion Methods 0.000 title claims abstract description 18
- 230000007797 corrosion Effects 0.000 title claims abstract description 18
- 239000000956 alloy Substances 0.000 title claims abstract description 17
- 229910000677 High-carbon steel Inorganic materials 0.000 title claims abstract description 14
- 238000002360 preparation method Methods 0.000 title claims description 8
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 16
- PXHVJJICTQNCMI-UHFFFAOYSA-N nickel Substances [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims abstract description 13
- 238000007670 refining Methods 0.000 claims abstract description 12
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 9
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 9
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 9
- 238000004519 manufacturing process Methods 0.000 claims abstract description 9
- 239000002994 raw material Substances 0.000 claims abstract description 9
- 229910052742 iron Inorganic materials 0.000 claims abstract description 8
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 claims abstract description 7
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 7
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims abstract description 7
- 229910052796 boron Inorganic materials 0.000 claims abstract description 7
- 239000010949 copper Substances 0.000 claims abstract description 7
- 229910052802 copper Inorganic materials 0.000 claims abstract description 7
- 229910052759 nickel Inorganic materials 0.000 claims abstract description 7
- 239000010703 silicon Substances 0.000 claims abstract description 7
- 229910052710 silicon Inorganic materials 0.000 claims abstract description 7
- 239000010936 titanium Substances 0.000 claims abstract description 7
- 229910052719 titanium Inorganic materials 0.000 claims abstract description 7
- 239000010955 niobium Substances 0.000 claims abstract description 6
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 4
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 4
- 229910052729 chemical element Inorganic materials 0.000 claims abstract description 4
- 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 claims abstract description 4
- 239000000843 powder Substances 0.000 claims description 18
- 238000005275 alloying Methods 0.000 claims description 9
- 238000005266 casting Methods 0.000 claims description 9
- 238000009413 insulation Methods 0.000 claims description 8
- 229910000831 Steel Inorganic materials 0.000 claims description 7
- 239000004411 aluminium Substances 0.000 claims description 7
- 239000010959 steel Substances 0.000 claims description 7
- ODINCKMPIJJUCX-UHFFFAOYSA-N Calcium oxide Chemical compound [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 claims description 6
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 6
- AYJRCSIUFZENHW-UHFFFAOYSA-L barium carbonate Chemical compound [Ba+2].[O-]C([O-])=O AYJRCSIUFZENHW-UHFFFAOYSA-L 0.000 claims description 6
- 238000001816 cooling Methods 0.000 claims description 6
- 239000012467 final product Substances 0.000 claims description 6
- 238000003756 stirring Methods 0.000 claims description 6
- 238000010792 warming Methods 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 4
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 claims description 3
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 claims description 3
- 229910000805 Pig iron Inorganic materials 0.000 claims description 3
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical compound [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 claims description 3
- 229960000892 attapulgite Drugs 0.000 claims description 3
- WUKWITHWXAAZEY-UHFFFAOYSA-L calcium difluoride Chemical compound [F-].[F-].[Ca+2] WUKWITHWXAAZEY-UHFFFAOYSA-L 0.000 claims description 3
- 229910001634 calcium fluoride Inorganic materials 0.000 claims description 3
- 239000000292 calcium oxide Substances 0.000 claims description 3
- 235000012255 calcium oxide Nutrition 0.000 claims description 3
- 238000006477 desulfuration reaction Methods 0.000 claims description 3
- 230000023556 desulfurization Effects 0.000 claims description 3
- GUJOJGAPFQRJSV-UHFFFAOYSA-N dialuminum;dioxosilane;oxygen(2-);hydrate Chemical compound O.[O-2].[O-2].[O-2].[Al+3].[Al+3].O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O GUJOJGAPFQRJSV-UHFFFAOYSA-N 0.000 claims description 3
- 239000010977 jade Substances 0.000 claims description 3
- 229910052748 manganese Inorganic materials 0.000 claims description 3
- 239000011572 manganese Substances 0.000 claims description 3
- 238000002156 mixing Methods 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 3
- 229910052901 montmorillonite Inorganic materials 0.000 claims description 3
- 229910021392 nanocarbon Inorganic materials 0.000 claims description 3
- 229910052625 palygorskite Inorganic materials 0.000 claims description 3
- 239000010451 perlite Substances 0.000 claims description 3
- 235000019362 perlite Nutrition 0.000 claims description 3
- 238000010791 quenching Methods 0.000 claims description 3
- 239000011347 resin Substances 0.000 claims description 3
- 229920005989 resin Polymers 0.000 claims description 3
- 229910000077 silane Inorganic materials 0.000 claims description 3
- 239000002893 slag Substances 0.000 claims description 3
- 239000000758 substrate Substances 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 abstract description 4
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 abstract description 4
- 229910052758 niobium Inorganic materials 0.000 abstract description 3
- GUCVJGMIXFAOAE-UHFFFAOYSA-N niobium atom Chemical compound [Nb] GUCVJGMIXFAOAE-UHFFFAOYSA-N 0.000 abstract description 3
- 229910021529 ammonia Inorganic materials 0.000 abstract description 2
- 229910052739 hydrogen Inorganic materials 0.000 abstract description 2
- 239000001257 hydrogen Substances 0.000 abstract description 2
- 125000004435 hydrogen atom Chemical class [H]* 0.000 abstract description 2
- 229910052757 nitrogen Inorganic materials 0.000 abstract description 2
- 230000003247 decreasing effect Effects 0.000 abstract 1
- 229910052750 molybdenum Inorganic materials 0.000 abstract 1
- 229910052698 phosphorus Inorganic materials 0.000 abstract 1
- 229910052715 tantalum Inorganic materials 0.000 abstract 1
- 229910000851 Alloy steel Inorganic materials 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 229910001339 C alloy Inorganic materials 0.000 description 1
- 229910000639 Spring steel Inorganic materials 0.000 description 1
- 206010057040 Temperature intolerance Diseases 0.000 description 1
- 229910001315 Tool steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008543 heat sensitivity Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- PVGBHEUCHKGFQP-UHFFFAOYSA-N sodium;n-[5-amino-2-(4-aminophenyl)sulfonylphenyl]sulfonylacetamide Chemical compound [Na+].CC(=O)NS(=O)(=O)C1=CC(N)=CC=C1S(=O)(=O)C1=CC=C(N)C=C1 PVGBHEUCHKGFQP-UHFFFAOYSA-N 0.000 description 1
Classifications
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- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
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- Treatment Of Steel In Its Molten State (AREA)
- Preventing Corrosion Or Incrustation Of Metals (AREA)
Abstract
A corrosion-resistant high-carbon steel alloy material comprises the following chemical elements by mass percent: 0.7-1.0 percent of carbon, 0.7-0.9 percent of silicon, 0.2-0.4 percent of copper, 0.05-0.08 percent of aluminum, 3.3-2.5 percent of manganese, 6.0-6.5 percent of Ni, 0.05-0.09 percent of titanium, 0.3-0.5 percent of boron, 0.1-0.3 percent of Mo, 0.002-0.005 percent of niobium, 0.001-0.003 percent of Ta, 0.03-0.05 percent of Co, less than or equal to 0.030 percent of P, less than or equal to 0.030 of S and the balance of iron. The alloy material, which is prepared from the raw materials including niobium and aluminum by reasonably setting the proportion, production process and dispensing order, has the characteristics of very high strength, hardness and wear resistance, low thermosensitivity, low temper brittleness, atmosphere corrosion resistance, and hydrogen, nitrogen and ammonia corrosion resistance at high temperature; the porosity is decreased by 1-2 degrees by adding a refining agent.
Description
Technical field
The present invention relates to metallic substance preparation field, relate in particular to a kind of corrosion-resistant high carbon steel alloy material and preparation method thereof.
Background technology
The development of steel alloy has had the history of more than 100 year, up to the present, diversified steel alloy is employed industrial, mainly contain with Types Below: quenched and tempered steel, spring steel, tool steel, rapid steel, die steel, high, normal, basic carbon alloy steel etc., so far, although steel alloy technology is greatly developed, but, still have a lot of problems to exist, as fastness to rubbing, hardness, rustless property, corrosion resistance nature, high and low temperature resistance, fragility, toughness, costs etc. can not be taken into account, can't meet the requirement of production in a lot of occasions, also require further improvement, to enhance productivity, reduce costs, improve security, for high-quality precision and sophisticated technology development provides safeguard, for social development provides power, task is also very arduous.
Summary of the invention
The object of the present invention is to provide a kind of corrosion-resistant high carbon steel alloy material and preparation method thereof, this alloy material has the feature of high wear resistance, hardness and wear resistance.
Technical scheme of the present invention is as follows:
A kind of corrosion-resistant high carbon steel alloy material, is characterized in that: chemical element composition and mass percent thereof that it contains are: carbon 0.7-1.0, silicon 0.7-0.9, copper 0.2-0.4, aluminium 0.05-0.08, manganese 3.3-2.5, nickel 6.0-6.5, titanium 0.05-0.09, boron 0.3-0.5, Mo0.1-0.3, Nb0.002-0.005, Ta0.001-0.003, Co0.03-0.05, P≤0.030, S≤0.030, surplus are iron.
The production method of described corrosion-resistant high carbon steel alloy material, is characterized in that:
(1), the pig iron and scrap iron are dropped in stove and melt and originate as ferrous substrate in 1:1 ratio; Carry out desulfurization, deoxidation, alloying, the refining of employing refining agent, casting, casting postheat treatment etc.;
(2) in alloying process, to the lot sequence that drops into alloying element in stove be: (1) silicon, nickel, copper; (2) aluminium, manganese, Nb; (3) titanium, boron, Ta; (4) other remaining component; The each batch of timed interval of dropping into element is 8-10 minute, after feeding intake, stirs.
Described casting postheat treatment is: be first warming up to 920-930 DEG C by room temperature with 200-230 DEG C/h of speed, insulation 3-4 hour; Be cooled to 630-650 DEG C with 140-160 DEG C/h of speed again, insulation 40-60 minute; Be cooled to 330-350 DEG C with 100-120 DEG C/h of speed again, insulation 2-3 hour; Be warming up to 530-550 DEG C with 150-170 DEG C/h of speed again, insulation 2-3 hour, takes out air cooling and get final product.
Described refining agent is made up of the raw material of following weight part: instrument comminuted steel shot 3-4, attapulgite 100-120, unslaked lime 2-3, nanometer jade powder 3-4, montmorillonite powder 1-2, perlite 95-110, BaCO3 3-4, Sodium Silicofluoride 4-5, Calcium Fluoride (Fluorspan) 2-3; Preparation method mixes each raw material, is heated to molten state and stirs remove slag, and then, is poured into Quench in pure water, then is ground into 100-200 order powder; Gained powder is added and is equivalent to the silane resin acceptor kh-550 of powder weight 2-3%, the nano-carbon powder of 1-2%, after mixing, under 8-15Mpa, be pressed into base, then, at 900-950 DEG C, calcine 3-4 hour, cooling after, be ground into again 150-250 order powder, obtain final product.
Beneficial effect of the present invention
The present invention is by using the material combination such as niobium, aluminium, proportioning and production technique are rationally set, input order is rationally set, the alloy material forming has high intensity, hardness, wear resistance, low heat sensitivity, low temper brittleness, also have the feature of the corrosive nature of atmospheric corrosion resistance and high temperature resistant lower hydrogen, nitrogen, ammonia; And use part scrap iron as raw material, carry heavy alloyed steady quality homogeneous.Refining agent of the present invention is for Foundry Production, and the degree of porosity obviously improving in yield rate, particularly foundry goods reduces 1-2 degree, is controlled effectively, and can not produce pore at cast(ing) surface, and trapped oxide also obviously reduces, and oxide inclusion is 2 grades of left and right.
Embodiment
A kind of corrosion-resistant high carbon steel alloy material, chemical element composition and mass percent thereof that it contains are: carbon 0.7-1.0, silicon 0.7-0.9, copper 0.2-0.4, aluminium 0.05-0.08, manganese 3.3-2.5, nickel 6.0-6.5, titanium 0.05-0.09, boron 0.3-0.5, Mo0.1-0.3, Nb0.002-0.005, Ta0.001-0.003, Co0.03-0.05, P≤0.030, S≤0.030, surplus are iron.
The production method of described corrosion-resistant high carbon steel alloy material, is characterized in that:
(1), the pig iron and scrap iron are dropped in stove and melt and originate as ferrous substrate in 1:1 ratio; Carry out desulfurization, deoxidation, alloying, the refining of employing refining agent, casting, casting postheat treatment etc.;
(2) in alloying process, to the lot sequence that drops into alloying element in stove be: (1) silicon, nickel, copper; (2) aluminium, manganese, Nb; (3) titanium, boron, Ta; (4) other remaining component; The each batch of timed interval of dropping into element is 9 minutes, after feeding intake, stirs.
Described casting postheat treatment is: be first warming up to 925 DEG C by room temperature with 220 DEG C/h of speed, be incubated 3.5 hours; Be cooled to 640 DEG C with 150 DEG C/h of speed again, be incubated 50 minutes; Be cooled to 340 DEG C with 110 DEG C/h of speed again, be incubated 2.5 hours; Be warming up to 540 DEG C with 160 DEG C/h of speed again, be incubated 2.5 hours, take out air cooling and get final product.
Described refining agent by following weight part (kilogram) raw material make: described refining agent by following weight part (kilogram) raw material make: instrument comminuted steel shot 3, attapulgite 100-, unslaked lime 2, nanometer jade powder 3, montmorillonite powder 2, perlite 95, BaCO3 4, Sodium Silicofluoride 4, Calcium Fluoride (Fluorspan) 3; Preparation method mixes each raw material, is heated to molten state and stirs remove slag, and then, is poured into Quench in pure water, then is ground into 100-200 order powder; Gained powder is added and is equivalent to the silane resin acceptor kh-550 of powder weight 2-3%, the nano-carbon powder of 1-2%, after mixing, under 8-15Mpa, be pressed into base, then, at 900-950 DEG C, calcine 3-4 hour, cooling after, be ground into again 150-250 order powder, obtain final product.
The mechanical property of the corrosion-resistant high carbon steel alloy material of the present invention is: tensile strength 81380MPa, yield strength 973MPa, unit elongation 12%, relative reduction in area 22%, impact absorbing energy 48J, impelling strength 58J/cm2, hardness 295HB.
Claims (4)
1. a corrosion-resistant high carbon steel alloy material, is characterized in that: chemical element composition and mass percent thereof that it contains are: carbon 0.7-1.0, silicon 0.7-0.9, copper 0.2-0.4, aluminium 0.05-0.08, manganese 3.3-2.5, nickel 6.0-6.5, titanium 0.05-0.09, boron 0.3-0.5, Mo0.1-0.3, Nb0.002-0.005, Ta0.001-0.003, Co0.03-0.05, P≤0.030, S≤0.030, surplus are iron.
2. the production method of corrosion-resistant high carbon steel alloy material according to claim 1, is characterized in that:
(1), the pig iron and scrap iron are dropped in stove and melt and originate as ferrous substrate in 1:1 ratio; Carry out desulfurization, deoxidation, alloying, the refining of employing refining agent, casting, casting postheat treatment etc.;
(2) in alloying process, to the lot sequence that drops into alloying element in stove be: (1) silicon, nickel, copper; (2) aluminium, manganese, Nb; (3) titanium, boron, Ta; (4) other remaining component; The each batch of timed interval of dropping into element is 8-10 minute, after feeding intake, stirs.
3. the production method of corrosion-resistant high carbon steel alloy material according to claim 2, is characterized in that: described casting postheat treatment is: be first warming up to 920-930 DEG C by room temperature with 200-230 DEG C/h of speed, insulation 3-4 hour; Be cooled to 630-650 DEG C with 140-160 DEG C/h of speed again, insulation 40-60 minute; Be cooled to 330-350 DEG C with 100-120 DEG C/h of speed again, insulation 2-3 hour; Be warming up to 530-550 DEG C with 150-170 DEG C/h of speed again, insulation 2-3 hour, takes out air cooling and get final product.
4. the production method of corrosion-resistant high carbon steel alloy material according to claim 2, is characterized in that: described refining agent is made up of the raw material of following weight part: instrument comminuted steel shot 3-4, attapulgite 100-120, unslaked lime 2-3, nanometer jade powder 3-4, montmorillonite powder 1-2, perlite 95-110, BaCO3 3-4, Sodium Silicofluoride 4-5, Calcium Fluoride (Fluorspan) 2-3; Preparation method mixes each raw material, is heated to molten state and stirs remove slag, and then, is poured into Quench in pure water, then is ground into 100-200 order powder; Gained powder is added and is equivalent to the silane resin acceptor kh-550 of powder weight 2-3%, the nano-carbon powder of 1-2%, after mixing, under 8-15Mpa, be pressed into base, then, at 900-950 DEG C, calcine 3-4 hour, cooling after, be ground into again 150-250 order powder, obtain final product.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410059352.4A CN103882310B (en) | 2014-02-21 | 2014-02-21 | A kind of corrosion-resistant high-carbon steel alloy material and preparation method thereof |
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| CN201410059352.4A CN103882310B (en) | 2014-02-21 | 2014-02-21 | A kind of corrosion-resistant high-carbon steel alloy material and preparation method thereof |
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| CN103882310A true CN103882310A (en) | 2014-06-25 |
| CN103882310B CN103882310B (en) | 2016-08-24 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104313484A (en) * | 2014-11-07 | 2015-01-28 | 江苏天舜金属材料集团有限公司 | Steel for high-strength anti-shaking anti-corrosion reinforcing steel bar and thermal treatment process of steel |
| CN104694825A (en) * | 2015-02-06 | 2015-06-10 | 铜陵百荣新型材料铸件有限公司 | Corrosion-resistant cast high-carbon steel and preparation method thereof |
| CN107916368A (en) * | 2017-11-27 | 2018-04-17 | 谢彬彬 | Low silicon corrosion-resisting alloy steel of a kind of high-carbon and preparation method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5357118A (en) * | 1976-11-02 | 1978-05-24 | Nippon Musical Instruments Mfg | Magnetic material |
| US6157301A (en) * | 1996-12-13 | 2000-12-05 | Vacuumschmelze Gmbh | Marker for use in a magnetic electronic article surveillance system |
| CN103537672A (en) * | 2013-10-11 | 2014-01-29 | 芜湖市鸿坤汽车零部件有限公司 | Powder metallurgy automobile engine connecting rod and manufacturing method thereof |
-
2014
- 2014-02-21 CN CN201410059352.4A patent/CN103882310B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5357118A (en) * | 1976-11-02 | 1978-05-24 | Nippon Musical Instruments Mfg | Magnetic material |
| US6157301A (en) * | 1996-12-13 | 2000-12-05 | Vacuumschmelze Gmbh | Marker for use in a magnetic electronic article surveillance system |
| CN103537672A (en) * | 2013-10-11 | 2014-01-29 | 芜湖市鸿坤汽车零部件有限公司 | Powder metallurgy automobile engine connecting rod and manufacturing method thereof |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104313484A (en) * | 2014-11-07 | 2015-01-28 | 江苏天舜金属材料集团有限公司 | Steel for high-strength anti-shaking anti-corrosion reinforcing steel bar and thermal treatment process of steel |
| CN104313484B (en) * | 2014-11-07 | 2016-05-11 | 江苏天舜金属材料集团有限公司 | Steel and Technology for Heating Processing thereof for high-strength anti-seismic corrosion-resistant steel bar |
| CN104694825A (en) * | 2015-02-06 | 2015-06-10 | 铜陵百荣新型材料铸件有限公司 | Corrosion-resistant cast high-carbon steel and preparation method thereof |
| CN104694825B (en) * | 2015-02-06 | 2017-01-11 | 铜陵百荣新型材料铸件有限公司 | Corrosion-resistant cast high-carbon steel and preparation method thereof |
| CN107916368A (en) * | 2017-11-27 | 2018-04-17 | 谢彬彬 | Low silicon corrosion-resisting alloy steel of a kind of high-carbon and preparation method thereof |
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| CN103882310B (en) | 2016-08-24 |
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