CN104805320A - Manufacturing process of aluminum alloy rod for shielding - Google Patents
Manufacturing process of aluminum alloy rod for shielding Download PDFInfo
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- CN104805320A CN104805320A CN201510240766.1A CN201510240766A CN104805320A CN 104805320 A CN104805320 A CN 104805320A CN 201510240766 A CN201510240766 A CN 201510240766A CN 104805320 A CN104805320 A CN 104805320A
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C21/00—Alloys based on aluminium
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B1/00—Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors
- H01B1/02—Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors mainly consisting of metals or alloys
- H01B1/023—Alloys based on aluminium
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C37/00—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape
- B21C37/04—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape of bars or wire
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
- B22D11/04—Continuous casting of metals, i.e. casting in indefinite lengths into open-ended moulds
- B22D11/045—Continuous casting of metals, i.e. casting in indefinite lengths into open-ended moulds for horizontal casting
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C1/00—Making non-ferrous alloys
- C22C1/02—Making non-ferrous alloys by melting
- C22C1/026—Alloys based on aluminium
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C1/00—Making non-ferrous alloys
- C22C1/06—Making non-ferrous alloys with the use of special agents for refining or deoxidising
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22F—CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
- C22F1/00—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
- C22F1/04—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of aluminium or alloys based thereon
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
Abstract
The invention discloses a manufacturing process of an aluminum alloy rod for shielding. The process comprises the following steps that 100 parts of aluminum ingots are put into an aluminum smelting furnace to be smelted; the smelted aluminum liquid is transferred and injected into a heat insulation furnace; the temperature of the aluminum liquid in the heat insulation furnace is controlled to be 740 +/- 10 DEG C, and 0.04 to 0.06 part of silicon, 1 to 1.3 parts of iron, 0.18 to 0.28 part of copper, 0.08 to 0.1 part of rare earth elements, 0.015 to 0.03 part of boron, 0.01 to 0.02 part of titanium and 0.01 to 0.02 part of beryllium are added to the aluminum liquid; the stirring is carried out for 30 minutes, so that the ingredients in the aluminum liquid are sufficiently and uniformly mixed; the rare earth elements consist of lanthanum, cerium and scandium; the lanthanum, the cerium and the scandium are mixed according to a weight ratio being 14:6:1 for forming the rare earth elements; cleaned aluminum alloy liquid is subjected to continuous casting, and the casting temperature is controlled to be 690 to 700 DEG C; a horizontal casting mode is adopted for casting, and cast casting blanks are obtained; the cast casting blanks are straightened and heated; the temperature of cast blanks before rolling is controlled to be maintained at 520 to 540 DEG C, so that the final rolling temperature of the aluminum alloy rod is lower than or equal to 300 DEG C. The manufacturing process has the advantages that the metal tissue structure obtained by using the manufacturing process is obviously improved, the macroscopical grain size can reach 6 to 8 grades, and the tensile intensity reaches 180 to 200 MPa.
Description
Technical field
The present invention relates to a kind of manufacturing process of aluminium alloy rod, particularly relate to a kind of manufacturing process shielded with aluminium alloy rod.
Background technology
Aluminium alloy is one of most popular nonferrous materials in industry, existing extensive application in Aeronautics and Astronautics, automobile, machinofacture, boats and ships and chemical industry.Along with fast development that is scientific and technical and industrial economy, the demand of aluminium alloy is increasing, and the research of aluminium alloy also thereupon deeply.The widespread use of aluminium alloy facilitates the development of aluminium alloy in power industry, and the development of power industry simultaneously has the Application Areas facilitating aluminium alloy.
As the aluminium alloy rod that shielding uses with aluminium alloy circuit, conventional aluminium alloy rod wants wire drawing to 0.10-0.12mm.And at present, inside mechanical processing industry cable field, traditional aluminium bar or aluminium alloy rod after fabrication, due to the restriction of organization material structure, affect material and add the performance in man-hour, its tensile strength and elongation are all on the low side, and tensile strength only has 180Mpa, and elongation only has 10%, in follow-up drawing process, cause early stage fracture of wire or intensity defective, so not only cause raw-material waste, and add production cost.
Summary of the invention
The invention provides a kind of manufacturing process shielded with aluminium alloy rod, the aluminium alloy rod metallization structure that this manufacturing process obtains is clearly better, and macrograin Du Keda 6 ~ 8 rank, tensile strength reaches 180 ~ 200 MPa.
For achieving the above object, the technical solution used in the present invention is: a kind of manufacturing process shielded with aluminium alloy rod, and described shielding aluminium alloy rod is obtained by following technique, and this technique comprises the following steps:
Step one, 100 parts of aluminium ingots are dropped into molten aluminium stove meltings, control temperature of aluminum liquid≤760 DEG C in stove;
Step 2, by melted aluminium liquid metaideophone to holding furnace, heat preserving furnace aluminum liquid temp processed is 740 ± 10 DEG C time, silicon 0.04 ~ 0.06 part, iron 1 ~ 1.3 part, copper 0.18 ~ 0.28 part, 0.08 ~ 0.1 part, rare earth element, boron 0.015 ~ 0.03 part, titanium 0.01 ~ 0.02 part, beryllium 0.01 ~ 0.02 part is added at aluminium liquid, stir 30 minutes, make aluminium liquid composition full and uniform, described rare earth element is made up of lanthanum, cerium and scandium, and this lanthanum, cerium and scandium are mixed to form described rare earth element according to 14:6:1 weight ratio;
Step 3, make carrier when temperature of aluminum liquid reaches 750 ± 10 DEG C with high pure nitrogen, efficient injection refining agent is passed in holding furnace and in melt, carries out refining, reach the purifying treatment such as the degasification of aluminium liquid, removal of impurities;
Step 4, the aluminum alloy melt through step 3 is left standstill 5 ~ 10 minutes, open the holding furnace aluminium slag that goalkeeper floats on aluminum alloy melt surface of skimming and clean out;
Step 5, when aluminum alloy melt temperature reaches 740 ± 10 DEG C, come out of the stove, aluminum alloy melt out enters refine equipment on line and filtration unit through chute from holding furnace, carries out external refining, degasification slagging-off again;
Step 6, aluminum alloy melt after the cleaning that step 5 obtains is carried out continuous casting, pouring temperature controls at 690 ~ 700 DEG C, and employing level casting mode is carried out casting and obtained casting strand afterwards;
Step 7, alignment, heating are carried out to strand after the obtained casting of step 6, controlling to remain on 520-540 DEG C into rolling front strand temperature, making aluminium alloy rod finishing temperature≤300 DEG C;
Step 8, with water or rare emulsion, quick cooling process is carried out to milling train aluminium alloy rod out, and control aluminium rod surface temperature≤70 DEG C;
Step 9, before aluminium bar enters take-up frame, to dry up with the water of pressurized air by aluminium rod surface, after the cleaning keeping aluminium bar and drying, then naturally cooling.
The technical scheme improved further in technique scheme is as follows:
1., in such scheme, in the molten aluminium after described step 5 degasification slagging-off again in aluminium alloy casting chute, add Al-Ti-B silk by wire feeder.
2., in such scheme, the speed that in described step 3, during refining, control refining agent is blown into and the pressure of nitrogen, refining time was controlled at 20 ~ 30 minutes, and nitrogen pressure controls at 10 ~ 15KPa.
Because technique scheme is used, the present invention compared with prior art has following advantages:
1. the present invention shields the manufacturing process with aluminium alloy rod, it adopts the synergy containing rare earth element iron and the rare earth in stated limit be made up of lanthanum, cerium and scandium, the ductility of rod of metal alloy can be improved, optimize aluminium liquid component, crystal grain thinning, remove slag, increase corrosion resistance nature, remove the gas in aluminium alloy and detrimental impurity, reduce the formation of crack of aluminium alloy, thus improve the intensity of aluminium alloy, improve processing characteristics, the thermotolerance of aluminium alloy, plasticity-and forging property can also be improved, improve hardness, gain in strength and toughness; Secondly, described lanthanum, cerium and scandium are mixed to form described rare earth element according to 14:6:1 weight ratio and boron acts synergistically, make product in casting cycle, improve the mobility of aluminium, reduce the disadvantageous effect of other elements in aluminium, form nuclear particle, thus form non-spontaneous forming core, play the effect of crystal grain thinning, macrograin degree can reach 5-6 level.Within the specific limits, and above-mentioned aluminium can be reasonably combined, can reduce resistivity 6-10% for the boron added; Again, titanium elements: after there is above-mentioned beneficial element in aluminum substrate, then add titanium elements, can play a significant role in metal grain tissue, and controlled within the scope of the invention by titanium elements, macrograin degree reaches 6-8 level.
2. the present invention shields the manufacturing process with aluminium alloy rod, by the control to techniques such as melting, refining, casting, rollings, make the aluminium alloy rod that tensile strength, electric conductivity all meet shielding, this kind of aluminium bar is after 24 hours naturally cooling, through coated, directly can enter drawing wire machine, drawing process carries out drawing routinely, and its tensile strength of shielding aluminum alloy line obtained thus reaches 180 ~ 200 MPa.Compared with traditional aluminium bar or conductor annealing treating process, by the shielding aluminium alloy rod stable performance that method provided by the present invention is obtained, the shielding aluminum alloy line same performance using these aluminium bars to pull out is stablized, conforming product rate >=90.Owing to having cut anneal operation, eliminate energy consumption and production time that thermal treatment process brings, therefore meeting completely under the prerequisite of shielding with aluminum alloy line service requirements, having substantially increased the production efficiency of shielding aluminum alloy line, reducing production cost.According to the aluminium alloy rod that this programme is produced, the aluminium alloy rod of manufacture will be widely used in shielding aluminium alloy circuit, the situation for existing at present significantly be improved.Alloying element is controlled the mass percent in this programme, original produced problem will be solved.
Embodiment
Below in conjunction with embodiment, the invention will be further described:
Embodiment 1: a kind of manufacturing process shielded with aluminium alloy rod, is characterized in that: described shielding aluminium alloy rod is obtained by following technique, and this technique comprises the following steps:
Step one, 100 parts of aluminium ingots are dropped into molten aluminium stove meltings, control temperature of aluminum liquid≤760 DEG C in stove;
Step 2, by melted aluminium liquid metaideophone to holding furnace, heat preserving furnace aluminum liquid temp processed is 740 ± 10 DEG C time, silicon 0.04 part, iron 1.1 parts, copper 0.2 part, 0.1 part, rare earth element, boron 0.02 part, titanium 0.012 part, beryllium 0.012 part is added at aluminium liquid, stir 30 minutes, make aluminium liquid composition full and uniform, described rare earth element is made up of lanthanum, cerium and scandium, and this lanthanum, cerium and scandium are mixed to form described rare earth element according to 14:6:1 weight ratio;
Step 3, make carrier when temperature of aluminum liquid reaches 750 ± 10 DEG C with high pure nitrogen, efficient injection refining agent is passed in holding furnace and in melt, carries out refining, reach the purifying treatment such as the degasification of aluminium liquid, removal of impurities;
Step 4, the aluminum alloy melt through step 3 is left standstill 5 ~ 10 minutes, open the holding furnace aluminium slag that goalkeeper floats on aluminum alloy melt surface of skimming and clean out;
Step 5, when aluminum alloy melt temperature reaches 740 ± 10 DEG C, come out of the stove, aluminum alloy melt out enters refine equipment on line and filtration unit through chute from holding furnace, carries out external refining, degasification slagging-off again;
Step 6, aluminum alloy melt after the cleaning that step 5 obtains is carried out continuous casting, pouring temperature controls at 690 ~ 700 DEG C, and employing level casting mode is carried out casting and obtained casting strand afterwards;
Step 7, alignment, heating are carried out to strand after the obtained casting of step 6, controlling to remain on 520-540 DEG C into rolling front strand temperature, making aluminium alloy rod finishing temperature≤300 DEG C;
Step 8, with water or rare emulsion, quick cooling process is carried out to milling train aluminium alloy rod out, and control aluminium rod surface temperature≤70 DEG C;
Step 9, before aluminium bar enters take-up frame, to dry up with the water of pressurized air by aluminium rod surface, after the cleaning keeping aluminium bar and drying, then naturally cooling.
Embodiment 2: a kind of manufacturing process shielded with aluminium alloy rod, is characterized in that: described shielding aluminium alloy rod is obtained by following technique, and this technique comprises the following steps:
Step one, 100 parts of aluminium ingots are dropped into molten aluminium stove meltings, control temperature of aluminum liquid≤760 DEG C in stove;
Step 2, by melted aluminium liquid metaideophone to holding furnace, heat preserving furnace aluminum liquid temp processed is 740 ± 10 DEG C time, silicon 0.045 part, iron 1 part, copper 0.25 part, 0.085 part, rare earth element, boron 0.018 part, titanium 0.02 part, beryllium 0.02 part is added at aluminium liquid, stir 30 minutes, make aluminium liquid composition full and uniform, described rare earth element is made up of lanthanum, cerium and scandium, and this lanthanum, cerium and scandium are mixed to form described rare earth element according to 14:6:1 weight ratio;
Step 3, make carrier when temperature of aluminum liquid reaches 750 ± 10 DEG C with high pure nitrogen, efficient injection refining agent is passed in holding furnace and in melt, carries out refining, reach the purifying treatment such as the degasification of aluminium liquid, removal of impurities;
Step 4, the aluminum alloy melt through step 3 is left standstill 5 ~ 10 minutes, open the holding furnace aluminium slag that goalkeeper floats on aluminum alloy melt surface of skimming and clean out;
Step 5, when aluminum alloy melt temperature reaches 740 ± 10 DEG C, come out of the stove, aluminum alloy melt out enters refine equipment on line and filtration unit through chute from holding furnace, carries out external refining, degasification slagging-off again;
Step 6, aluminum alloy melt after the cleaning that step 5 obtains is carried out continuous casting, pouring temperature controls at 690 ~ 700 DEG C, and employing level casting mode is carried out casting and obtained casting strand afterwards;
Step 7, alignment, heating are carried out to strand after the obtained casting of step 6, controlling to remain on 520-540 DEG C into rolling front strand temperature, making aluminium alloy rod finishing temperature≤300 DEG C;
Step 8, with water or rare emulsion, quick cooling process is carried out to milling train aluminium alloy rod out, and control aluminium rod surface temperature≤70 DEG C;
Step 9, before aluminium bar enters take-up frame, to dry up with the water of pressurized air by aluminium rod surface, after the cleaning keeping aluminium bar and drying, then naturally cooling.
Al-Ti-B silk is added by wire feeder in molten aluminium after above-mentioned steps five degasification slagging-off again in aluminium alloy casting chute.
Embodiment 3: a kind of manufacturing process shielded with aluminium alloy rod, is characterized in that: described shielding aluminium alloy rod is obtained by following technique, and this technique comprises the following steps:
Step one, 100 parts of aluminium ingots are dropped into molten aluminium stove meltings, control temperature of aluminum liquid≤760 DEG C in stove;
Step 2, by melted aluminium liquid metaideophone to holding furnace, heat preserving furnace aluminum liquid temp processed is 740 ± 10 DEG C time, silicon 0.06 part, iron 1.2 parts, copper 0.22 part, 0.09 part, rare earth element, boron 0.025 part, titanium 0.018 part, beryllium 0.018 part is added at aluminium liquid, stir 30 minutes, make aluminium liquid composition full and uniform, described rare earth element is made up of lanthanum, cerium and scandium, and this lanthanum, cerium and scandium are mixed to form described rare earth element according to 14:6:1 weight ratio;
Step 3, make carrier when temperature of aluminum liquid reaches 750 ± 10 DEG C with high pure nitrogen, efficient injection refining agent is passed in holding furnace and in melt, carries out refining, reach the purifying treatment such as the degasification of aluminium liquid, removal of impurities;
Step 4, the aluminum alloy melt through step 3 is left standstill 5 ~ 10 minutes, open the holding furnace aluminium slag that goalkeeper floats on aluminum alloy melt surface of skimming and clean out;
Step 5, when aluminum alloy melt temperature reaches 740 ± 10 DEG C, come out of the stove, aluminum alloy melt out enters refine equipment on line and filtration unit through chute from holding furnace, carries out external refining, degasification slagging-off again;
Step 6, aluminum alloy melt after the cleaning that step 5 obtains is carried out continuous casting, pouring temperature controls at 690 ~ 700 DEG C, and employing level casting mode is carried out casting and obtained casting strand afterwards;
Step 7, alignment, heating are carried out to strand after the obtained casting of step 6, controlling to remain on 520-540 DEG C into rolling front strand temperature, making aluminium alloy rod finishing temperature≤300 DEG C;
Step 8, with water or rare emulsion, quick cooling process is carried out to milling train aluminium alloy rod out, and control aluminium rod surface temperature≤70 DEG C;
Step 9, before aluminium bar enters take-up frame, to dry up with the water of pressurized air by aluminium rod surface, after the cleaning keeping aluminium bar and drying, then naturally cooling.
The speed that in above-mentioned steps three, during refining, control refining agent is blown into and the pressure of nitrogen, refining time was controlled at 20 ~ 30 minutes, and nitrogen pressure controls at 10 ~ 15KPa.
During the aluminium alloy rod adopting above-mentioned manufacturing process to obtain, synergy containing the rare earth element iron and the rare earth in stated limit that are made up of lanthanum, cerium and scandium in its formula, the ductility of rod of metal alloy can be improved, optimize aluminium liquid component, crystal grain thinning, remove slag, increase corrosion resistance nature.Remove the gas in aluminium alloy and detrimental impurity, reduce the formation of crack of aluminium alloy, thus improve the intensity of aluminium alloy, improve processing characteristics, the thermotolerance of aluminium alloy, plasticity-and forging property can also be improved, improve hardness, gain in strength and toughness; Secondly, described lanthanum, cerium and scandium are mixed to form described rare earth element according to 14:6:1 weight ratio and boron acts synergistically, make product in casting cycle, improve the mobility of aluminium, reduce the disadvantageous effect of other elements in aluminium, form nuclear particle, thus form non-spontaneous forming core, play the effect of crystal grain thinning, macrograin degree can reach 5-6 level.Within the specific limits, and above-mentioned aluminium can be reasonably combined, can reduce resistivity 6-10% for the boron added; Again, titanium elements: after there is above-mentioned beneficial element in aluminum substrate, then add titanium elements, can play a significant role in metal grain tissue, and controlled within the scope of the invention by titanium elements, macrograin degree reaches 6-8 level.
Above-described embodiment, only for technical conceive of the present invention and feature are described, its object is to person skilled in the art can be understood content of the present invention and implement according to this, can not limit the scope of the invention with this.All equivalences done according to spirit of the present invention change or modify, and all should be encompassed within protection scope of the present invention.
Claims (3)
1. shield the manufacturing process with aluminium alloy rod, it is characterized in that: described shielding aluminium alloy rod is obtained by following technique, and this technique comprises the following steps:
Step one, 100 parts of aluminium ingots are dropped into molten aluminium stove meltings, control temperature of aluminum liquid≤760 DEG C in stove;
Step 2, by melted aluminium liquid metaideophone to holding furnace, heat preserving furnace aluminum liquid temp processed is 740 ± 10 DEG C time, silicon 0.04 ~ 0.06 part, iron 1 ~ 1.3 part, copper 0.18 ~ 0.28 part, 0.08 ~ 0.1 part, rare earth element, boron 0.015 ~ 0.03 part, titanium 0.01 ~ 0.02 part, beryllium 0.01 ~ 0.02 part is added at aluminium liquid, stir 30 minutes, make aluminium liquid composition full and uniform, described rare earth element is made up of lanthanum, cerium and scandium, and this lanthanum, cerium and scandium are mixed to form described rare earth element according to 14:6:1 weight ratio;
Step 3, make carrier when temperature of aluminum liquid reaches 750 ± 10 DEG C with high pure nitrogen, efficient injection refining agent is passed in holding furnace and in melt, carries out refining, reach the purifying treatment such as the degasification of aluminium liquid, removal of impurities;
Step 4, the aluminum alloy melt through step 3 is left standstill 5 ~ 10 minutes, open the holding furnace aluminium slag that goalkeeper floats on aluminum alloy melt surface of skimming and clean out;
Step 5, when aluminum alloy melt temperature reaches 740 ± 10 DEG C, come out of the stove, aluminum alloy melt out enters refine equipment on line and filtration unit through chute from holding furnace, carries out external refining, degasification slagging-off again;
Step 6, aluminum alloy melt after the cleaning that step 5 obtains is carried out continuous casting, pouring temperature controls at 690 ~ 700 DEG C, and employing level casting mode is carried out casting and obtained casting strand afterwards;
Step 7, alignment, heating are carried out to strand after the obtained casting of step 6, controlling to remain on 520-540 DEG C into rolling front strand temperature, making aluminium alloy rod finishing temperature≤300 DEG C;
Step 8, with water or rare emulsion, quick cooling process is carried out to milling train aluminium alloy rod out, and control aluminium rod surface temperature≤70 DEG C;
Step 9, before aluminium bar enters take-up frame, to dry up with the water of pressurized air by aluminium rod surface, after the cleaning keeping aluminium bar and drying, then naturally cooling.
2. the manufacturing process of shielding aluminium alloy rod according to claim 1, is characterized in that: add Al-Ti-B silk by wire feeder in the molten aluminium after described step 5 degasification slagging-off again in aluminium alloy casting chute.
3. the manufacturing process of shielding aluminium alloy rod according to claim 1, it is characterized in that: the speed that in described step 3, during refining, control refining agent is blown into and the pressure of nitrogen, refining time was controlled at 20 ~ 30 minutes, and nitrogen pressure controls at 10 ~ 15KPa.
Priority Applications (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610549251.4A CN106148740A (en) | 2015-05-13 | 2015-05-13 | The manufacture method of high strength heat resistant type aluminium alloy rod |
| CN201610567336.5A CN106244832A (en) | 2015-05-13 | 2015-05-13 | Manufacturing process for high intensity alusil alloy round bar |
| CN201610549126.3A CN106636695A (en) | 2015-05-13 | 2015-05-13 | Preparation method of heat-resistant aluminum alloy wire |
| CN201510240766.1A CN104805320A (en) | 2015-05-13 | 2015-05-13 | Manufacturing process of aluminum alloy rod for shielding |
| CN201610549252.9A CN106057273A (en) | 2015-05-13 | 2015-05-13 | High strength heat resistant aluminum alloy wire |
| CN201610567337.XA CN106244858A (en) | 2015-05-13 | 2015-05-13 | Welding wire alusil alloy round bar |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510240766.1A CN104805320A (en) | 2015-05-13 | 2015-05-13 | Manufacturing process of aluminum alloy rod for shielding |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610549251.4A Division CN106148740A (en) | 2015-05-13 | 2015-05-13 | The manufacture method of high strength heat resistant type aluminium alloy rod |
| CN201610567336.5A Division CN106244832A (en) | 2015-05-13 | 2015-05-13 | Manufacturing process for high intensity alusil alloy round bar |
| CN201610567337.XA Division CN106244858A (en) | 2015-05-13 | 2015-05-13 | Welding wire alusil alloy round bar |
| CN201610549126.3A Division CN106636695A (en) | 2015-05-13 | 2015-05-13 | Preparation method of heat-resistant aluminum alloy wire |
| CN201610549252.9A Division CN106057273A (en) | 2015-05-13 | 2015-05-13 | High strength heat resistant aluminum alloy wire |
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| CN104805320A true CN104805320A (en) | 2015-07-29 |
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| CN201610567337.XA Pending CN106244858A (en) | 2015-05-13 | 2015-05-13 | Welding wire alusil alloy round bar |
| CN201610549252.9A Pending CN106057273A (en) | 2015-05-13 | 2015-05-13 | High strength heat resistant aluminum alloy wire |
| CN201610567336.5A Pending CN106244832A (en) | 2015-05-13 | 2015-05-13 | Manufacturing process for high intensity alusil alloy round bar |
| CN201510240766.1A Pending CN104805320A (en) | 2015-05-13 | 2015-05-13 | Manufacturing process of aluminum alloy rod for shielding |
| CN201610549126.3A Pending CN106636695A (en) | 2015-05-13 | 2015-05-13 | Preparation method of heat-resistant aluminum alloy wire |
| CN201610549251.4A Pending CN106148740A (en) | 2015-05-13 | 2015-05-13 | The manufacture method of high strength heat resistant type aluminium alloy rod |
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| CN201610567337.XA Pending CN106244858A (en) | 2015-05-13 | 2015-05-13 | Welding wire alusil alloy round bar |
| CN201610549252.9A Pending CN106057273A (en) | 2015-05-13 | 2015-05-13 | High strength heat resistant aluminum alloy wire |
| CN201610567336.5A Pending CN106244832A (en) | 2015-05-13 | 2015-05-13 | Manufacturing process for high intensity alusil alloy round bar |
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| CN201610549126.3A Pending CN106636695A (en) | 2015-05-13 | 2015-05-13 | Preparation method of heat-resistant aluminum alloy wire |
| CN201610549251.4A Pending CN106148740A (en) | 2015-05-13 | 2015-05-13 | The manufacture method of high strength heat resistant type aluminium alloy rod |
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| CN105063431A (en) * | 2015-07-31 | 2015-11-18 | 广东欧珀移动通信有限公司 | Die-casting aluminum, structural part and electronic device |
| CN105274399A (en) * | 2015-12-04 | 2016-01-27 | 江苏亨通电力特种导线有限公司 | Aluminum alloy material for cable conductor and application of material |
| CN105331856A (en) * | 2015-12-04 | 2016-02-17 | 江苏亨通电力特种导线有限公司 | Microalloyed Al-Si alloy and preparation method of aluminium alloy rod adopting microalloyed Al-Si alloy |
| CN105463272A (en) * | 2015-12-18 | 2016-04-06 | 云南云铝润鑫铝业有限公司 | Production method for 5005 aluminum alloy circular ingots |
| CN105624479A (en) * | 2015-11-26 | 2016-06-01 | 新疆众和股份有限公司 | Aluminum-silicon system alloy rod used for welding and production method of aluminum-silicon system alloy rod |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN106244832A (en) | 2016-12-21 |
| CN106244858A (en) | 2016-12-21 |
| CN106636695A (en) | 2017-05-10 |
| CN106057273A (en) | 2016-10-26 |
| CN106148740A (en) | 2016-11-23 |
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