CN110093536B - 6101-T63 state aluminum alloy coiled material for battery guide plate and preparation method thereof - Google Patents
6101-T63 state aluminum alloy coiled material for battery guide plate and preparation method thereof Download PDFInfo
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Abstract
The invention discloses 6101-T63 state aluminum alloy coiled material for a battery guide plate and a preparation method thereof. Firstly, proportioning according to the proportion of Si, Fe, Cu, Mn, Mg, Zn, Ti and Cr and the balance of Al, smelting, standing, refining and degassing after proportioning, adding a grain refiner after degassing, filtering, carrying out semi-continuous casting after filtering, sequentially carrying out homogenization heat treatment, hot rolling and cold rolling on the obtained cast ingot, carrying out solid solution and quenching on the product after cold rolling, and then carrying out stretch bending, straightening, cleaning and stretch straightening on the product; then carrying out aging treatment, cooling, longitudinal shearing to the width of a finished product, and finally packaging and warehousing. The 6101-T63 aluminum alloy coiled material prepared by the invention has good machining performance, is suitable for the later machining of the battery guide plate, and has good 90-degree bending performance.
Description
The technical field is as follows:
the invention relates to the technical field of metal manufacturing, in particular to a 6101-T63 state aluminum alloy coiled material for a battery conductor and a preparation method thereof.
Secondly, background art:
in the electrical engineering construction and the raw material application of the conductive device, copper and copper alloy and aluminum alloy are mainly used, and the manufacturing cost of the copper and the copper alloy is higher. China is in short supply of copper resources, but aluminum is the most abundant metal element in the earth crust, and aluminum alloy has lighter density than copper. In view of energy consumption, the aluminum conductor can effectively save resources. In the application of conductive materials, aluminum conductors are in force.
With the vigorous development of the national electric power industry, the application of the electrical aluminum conductor is expanded step by step. The scientific research on the aluminum conductor enters the national scientific research and development plan step by step along with the industrial needs. China independently develops, innovates and designs an aluminum continuous casting and rolling production line, changes the production appearance of aluminum rods in China, develops a high-strength aluminum alloy conductor for electric conduction, and paves a way for the construction of overhead conductors. At present, the development of China in the aspect of aluminum wires is mature, but the development in the aspect of aluminum alloy conductive plates and strips is late.
The aluminum material used for manufacturing the aluminum conductor has very high requirements on purity and conductivity, and is mostly made of 1xxx aluminum alloy such as 1050 and 1050A at first, but the aluminum material has lower strength and smaller bearing force. The requirements for performance vary with the application for which the aluminum alloy conductor is used. Aluminum alloy conductors with different types and purposes, such as 5005 aluminum alloy, 6201 aluminum alloy, 6101 aluminum alloy and the like, are developed at home and abroad.
Aluminum alloy guide plates for batteries are required to have not only good electrical conductivity but also high strength and deformation resistance, and in addition, the guide plates are often required to be machined to have good bending properties. Therefore, the research and development of an aluminum alloy material with high strength, good conductivity (the conductivity is more than 56% IACS), good machining performance and bending performance is a technical problem to be solved by technical personnel in the field at present.
Thirdly, the invention content:
the technical problem to be solved by the invention is as follows: according to the strict requirements on the performance of all aspects of the aluminum alloy material at present, the invention provides a 6101-T63 state aluminum alloy coiled material suitable for being used as a battery bus connecting guide plate and a preparation method thereof. The aluminum alloy coiled material product in the state of 6101-T63, which is prepared by the technical proposal of the invention, has the thickness of 3.0mm, the tensile strength of the aluminum alloy plate/strip reaches more than 185MPa, the electric conductivity reaches more than 56 percent IACS, and the actual electric conductivity can reach 57 to 59 percent IACS. The 6101-T63 aluminum alloy coiled material prepared by the invention has good machining performance, is suitable for the later machining of the battery guide plate, and has good 90-degree bending performance (no cracking during bending).
In order to solve the problems, the invention adopts the technical scheme that:
the invention provides 6101-T63 state aluminum alloy coiled material for a battery guide plate, which comprises the following chemical compositions in percentage by mass: 0.35 to 0.50 percent of Si, less than or equal to 0.2 percent of Fe, less than or equal to 0.1 percent of Cu, less than or equal to 0.03 percent of Mn, 0.40 to 0.60 percent of Mg, less than or equal to 0.1 percent of Zn, less than or equal to 0.05 percent of Ti, less than or equal to 0.03 percent of Cr, and the balance of Al.
In addition, the preparation method of the aluminum alloy coiled material in the state of 6101-T63 for the battery guide plate comprises the following steps:
a. preparing materials: preparing various alloy components according to the composition proportion of the aluminum alloy coiled material in the state of 6101-T63 for the battery guide plate;
b. smelting: smelting the chemical components of the alloy prepared in the step a, standing and refining the alloy liquid obtained after smelting, degassing, adding a grain refiner Al-Ti-B wire Al-5Ti-1B after degassing, controlling Ti in the composition of the alloy to be less than or equal to 0.05% by adding the grain refiner Al-Ti-B wire Al-5Ti-1B, filtering the alloy liquid added with the grain refiner, and entering a semi-continuous casting process through a launder after filtering;
c. b, semi-continuously casting the alloy liquid obtained in the step b at the temperature of 690-730 ℃, controlling the casting speed to be 50-65 mm/min, and casting the alloy liquid into a cast ingot with the thickness of 550-630 mm;
d. homogenizing heat treatment: c, carrying out homogenization heat treatment on the ingot obtained in the step c at 550-600 ℃ for 8-12 hours, discharging and cooling the ingot after the heat treatment to be less than or equal to 45 ℃, sequentially carrying out machining after cooling, and cutting the head and the tail to mill the surface;
e. hot rolling: d, heating the ingot subjected to surface milling in the step d to 450-510 ℃, preserving heat for 3-24 hours under the temperature condition, carrying out hot rolling on the ingot by adopting a 1+1 type hot rolling unit to obtain a hot rolled blank with the thickness of 12.0mm, wherein the final rolling temperature is 260-320 ℃;
f. cold rolling: c, cold rolling the hot rolled blank obtained in the step e to 3.0 mm;
g. solid solution and quenching: d, performing solid solution and quenching on the product coil obtained by the cold rolling in the step f;
h. bending, straightening, cleaning and plate pulling: c, performing stretch bending, straightening and cleaning on the product treated in the step g, and performing stretch bending and straightening on the product to form a plate shape;
i. aging treatment: aging the product aluminum alloy coiled material treated in the step h in an aging furnace, wherein the metal temperature is 180-220 ℃, and the heat preservation time is 8-20 hours;
j. and cooling the 6101 aluminum alloy coiled material obtained after the aging treatment to room temperature, then performing longitudinal shearing after straightening, longitudinally shearing to the width of a finished product, and finally packaging and warehousing.
According to the preparation method of the aluminum alloy coiled material for the battery guide plate under the state of 6101-T63, the smelting temperature in the smelting in the step b is 700-750 ℃, and the smelting time is 5-8 hours.
According to the preparation method of the aluminum alloy coiled material in the state of 6101-T63 for the battery guide plate, the temperature of the standing furnace is 720-740 ℃ during standing refining in the step b, and the standing time is 20-40 minutes.
According to the preparation method of the aluminum alloy coiled material in the state of 6101-T63 for the battery guide plate, the hydrogen content measured by the launder when the filtered alloy liquid passes through the launder in the step b is less than or equal to 0.1mL/100 gAL.
According to the preparation method of the 6101-T63 aluminum alloy coil for the battery guide plate, in the step f cold rolling process, the cold rolling reduction rate of each pass is 25-40%, the refractive index of the cold rolling oil is controlled to be more than 90%, and the kinematic viscosity value at 40 ℃ is 2.2-2.4 mm2The oil temperature of rolling oil is controlled to be 35-45 ℃; the roughness of the roller is controlled to Ra0.3-0.4 μm.
According to the preparation method of the aluminum alloy coiled material in the state of 6101-T63 for the battery guide plate, in the step g, the solid solution temperature is controlled to be 510-550 ℃, the running speed of a machine set is 5-12 m/min, and the reduced heat preservation time is 3-7 min; the pressure of the upper group of water spray and the lower group of water spray is set to be 0.2-1.2 bar; the spray water is deionized water.
According to the preparation method of the aluminum alloy coiled material in the state of 6101-T63 for the battery guide plate, the specific requirements of the deionized water are as follows: the conductivity is less than or equal to 500 mu s/cm, the pH value is 6-8.5, the total hardness is less than or equal to 75mg/L, the suspended solid is less than or equal to 50mg/L, and the water temperature is 20-45 ℃.
The invention has the following positive beneficial effects:
1. the 6101-T63 aluminum alloy coiled material prepared by the technical proposal of the invention has higher strength, good conductivity (the conductivity is more than 56% IACS), good machining performance and bending performance.
2. The aluminum alloy coiled material product in the state of 6101-T63, which is prepared by the technical proposal of the invention, has the thickness of 3.0mm, the tensile strength of the aluminum alloy plate/strip reaches more than 185MPa, the electric conductivity reaches more than 56 percent IACS, and the actual electric conductivity can reach 57 to 59 percent IACS. The 6101-T63 aluminum alloy coiled material prepared by the invention has good machining performance, is suitable for the later machining of the battery guide plate, and has good 90-degree bending performance (no cracking during bending).
3. The 6101-T63 aluminum alloy coiled material prepared by the technical scheme of the invention has good conductivity, and the conductivity detected at normal temperature is more than 57-59% IACS; in addition, the material strength is higher, the possibility of damage during installation is reduced, the performance of the short-circuit current pair 6101 alloy is much smaller than that of pure aluminum, the fatigue strength of vibration is about 50% higher than 1050A, the stability to the short-circuit current is only inferior to that of copper, but the manufacturing cost is lower than that of copper and the density is lower.
Fourthly, the specific implementation mode:
the invention is further illustrated by the following examples, which do not limit the scope of the invention.
Example 1:
the aluminum alloy coiled material for the battery guide plate in the state of 6101-T63 is characterized in that the chemical composition of the alloy is as follows by mass percent: 0.387% of Si, 0.073% of Fe, 0.0012% of Cu, 0.0029% of Mn, 0.499% of Mg, 0.013% of Zn, 0.021% of Ti, 0.0018% of Cr and the balance of Al.
Example 2:
the aluminum alloy coiled material for the battery guide plate in the state of 6101-T63 is characterized in that the chemical composition of the alloy is as follows by mass percent: 0.417% of Si, 0.080% of Fe, 0.0012% of Cu, 0.0029% of Mn, 0.478% of Mg, 0.013% of Zn, 0.034% of Ti, 0.0019% of Cr and the balance of Al.
Example 3:
the aluminum alloy coiled material for the battery guide plate in the state of 6101-T63 is characterized in that the chemical composition of the alloy is as follows by mass percent: 0.432% of Si, 0.077% of Fe, 0.0013% of Cu, 0.0043% of Mn, 0.486% of Mg, 0.018% of Zn, 0.026% of Ti, 0.0016% of Cr and the balance of Al.
Example 4:
the invention relates to a preparation method of 6101-T63 aluminum alloy coiled material for a battery guide plate, which comprises the following detailed steps:
a. preparing materials: preparing various alloy components according to the composition proportion of aluminum alloy coiled materials in the state of 6101-T63 for the battery guide plate in the embodiment 1;
b. smelting: smelting the chemical components of the alloy prepared in the step a, wherein the smelting temperature is 720 ℃, the smelting time is 6 hours, standing refining is carried out on the alloy liquid obtained after smelting, degassing is carried out (the temperature of a standing furnace is 730 ℃, the standing time is 30 minutes), a grain refiner Al-titanium-boron wire Al-5Ti-1B is added after degassing, Ti 0.021% in the composition of the alloy components is controlled by adding the grain refiner Al-titanium-boron wire Al-5Ti-1B, the alloy liquid added with the grain refiner is filtered, and the alloy liquid enters a semi-continuous casting process through a launder (the hydrogen content measured by the launder is controlled to be less than or equal to 0.1mL/100gAL when the alloy liquid passes through the launder);
c. b, semi-continuously casting the alloy liquid obtained in the step b at 710 ℃, controlling the casting speed to be 60mm/min, and casting the alloy liquid into a cast ingot with the thickness of 600 mm;
d. homogenizing heat treatment: c, carrying out homogenization heat treatment on the ingot obtained in the step c at 580 ℃ for 10 hours, discharging from the furnace and cooling after the heat treatment, cooling to be less than or equal to 45 ℃, sequentially carrying out machining after cooling, and cutting the head and the tail and milling the surface;
e. hot rolling: d, heating the cast ingot subjected to surface milling in the step d to 480 ℃, preserving heat for 12 hours under the temperature condition, and carrying out hot rolling on the cast ingot by adopting a 1+1 type hot rolling unit to obtain a hot rolled blank with the thickness of 12.0mm, wherein the final rolling temperature is 300 ℃;
f. cold rolling: c, cold rolling the hot rolled blank obtained in the step e to 3.0 mm;
in the cold rolling process, the cold rolling reduction rate of each pass is 30 percent, the refractive index of cold rolling oil is controlled to be more than 90 percent, and the kinematic viscosity value at 40 ℃ is 2.3mm2The oil temperature of rolling oil is controlled to be 40 ℃; the roughness of the roller is controlled to be Ra0.35 mu m;
g. solid solution and quenching: d, performing solid solution and quenching on the product coil obtained by the cold rolling in the step f;
in the process of solution quenching, the solution temperature is controlled to be 530 ℃, the running speed of a unit is 8 m/min, and the reduced heat preservation time is 5 min; the pressure of the upper group of water spray and the lower group of water spray is set to be 0.8 bar; the spray water is deionized water (the specific requirements of the deionized water are that the conductivity is less than or equal to 500 mu s/cm, the pH value is 6-8.5, the total hardness is less than or equal to 75mg/L, the suspended solid is less than or equal to 50mg/L, and the water temperature is 20-45 ℃);
h. bending, straightening, cleaning and plate pulling: c, performing stretch bending, straightening and cleaning on the product treated in the step g, and performing stretch bending and straightening on the product to form a plate shape;
i. aging treatment: carrying out aging treatment on the product aluminum alloy coiled material treated in the step h in an aging furnace, wherein the metal temperature is 200 ℃, and the heat preservation time is 16 hours;
j. and cooling the 6101 aluminum alloy coiled material obtained after the aging treatment to room temperature, then performing longitudinal shearing after straightening, longitudinally shearing to the width of a finished product, and finally packaging and warehousing.
Example 5:
the invention relates to a preparation method of 6101-T63 aluminum alloy coiled material for a battery guide plate, which comprises the following detailed steps:
a. preparing materials: preparing various alloy components according to the composition proportion of aluminum alloy coiled materials in the state of 6101-T63 for the battery guide plate in the embodiment 2;
b. smelting: smelting the chemical components of the alloy prepared in the step a, wherein the smelting temperature is 700 ℃, the smelting time is 8 hours, standing refining is carried out on the alloy liquid obtained after smelting, degassing is carried out (the temperature of a standing furnace is 720 ℃, the standing time is 40 minutes), a grain refiner Al-titanium-boron wire Al-5Ti-1B is added after degassing, Ti in the composition of the alloy component is controlled to be 0.034% by adding the grain refiner Al-titanium-boron wire Al-5Ti-1B, the alloy liquid added with the grain refiner is filtered, and the filtered alloy liquid enters a semi-continuous casting process through a launder (the hydrogen content measured by the launder is controlled to be less than or equal to 0.1mL/100gAL when the alloy liquid passes through the launder);
c. b, semi-continuously casting the alloy liquid obtained in the step b at 690 ℃, controlling the casting speed to be 50mm/min, and casting the alloy liquid into a casting ingot with the thickness of 550 mm;
d. homogenizing heat treatment: c, carrying out homogenization heat treatment on the ingot obtained in the step c at 550 ℃ for 12 hours, discharging and cooling the ingot after the heat treatment to be less than or equal to 45 ℃, sequentially carrying out machining after cooling, and cutting the head and the tail and milling the surface;
e. hot rolling: d, heating the cast ingot subjected to surface milling in the step d to 450 ℃, preserving heat for 18 hours under the temperature condition, and carrying out hot rolling on the cast ingot by adopting a 1+1 type hot rolling unit to obtain a hot rolled blank with the thickness of 12.0mm, wherein the final rolling temperature is 260 ℃;
f. cold rolling: c, cold rolling the hot rolled blank obtained in the step e to 3.0 mm;
in the cold rolling process, the cold rolling reduction rate of each pass is 25%, the refractive index of cold rolling oil is controlled to be more than 90%, and the kinematic viscosity value at 40 ℃ is 2.2mm2The oil temperature of rolling oil is controlled to be 35 ℃; the roughness of the roller is controlled to Ra0.3 mu m;
g. solid solution and quenching: d, performing solid solution and quenching on the product coil obtained by the cold rolling in the step f;
in the process of solution quenching, the solution temperature is controlled to be 510 ℃, the running speed of a unit is 5 m/min, and the reduced heat preservation time is 3 min; the pressure of the upper group of water spray and the lower group of water spray is set to be 0.5 bar; the spray water is deionized water (the specific requirements of the deionized water are that the conductivity is less than or equal to 500 mu s/cm, the pH value is 6-8.5, the total hardness is less than or equal to 75mg/L, the suspended solid is less than or equal to 50mg/L, and the water temperature is 20-45 ℃);
h. bending, straightening, cleaning and plate pulling: c, performing stretch bending, straightening and cleaning on the product treated in the step g, and performing stretch bending and straightening on the product to form a plate shape;
i. aging treatment: aging the product aluminum alloy coiled material treated in the step h in an aging furnace, wherein the metal temperature is 180 ℃, and the heat preservation time is 18 hours;
j. and cooling the 6101 aluminum alloy coiled material obtained after the aging treatment to room temperature, then performing longitudinal shearing after straightening, longitudinally shearing to the width of a finished product, and finally packaging and warehousing.
Example 6:
the invention relates to a preparation method of 6101-T63 aluminum alloy coiled material for a battery guide plate, which comprises the following detailed steps:
a. preparing materials: preparing various alloy components according to the composition proportion of aluminum alloy coiled materials in the state of 6101-T63 for the battery guide plate in the embodiment 3;
b. smelting: smelting the chemical components of the alloy prepared in the step a, wherein the smelting temperature is 750 ℃, the smelting time is 5 hours, standing refining is carried out on the alloy liquid obtained after smelting, degassing is carried out (the temperature of a standing furnace is 740 ℃, the standing time is 20 minutes), a grain refiner Al-titanium-boron wire Al-5Ti-1B is added after degassing, Ti in the composition of the alloy component is controlled to be 0.026% by adding the grain refiner Al-titanium-boron wire Al-5Ti-1B, the alloy liquid added with the grain refiner is filtered, and the filtered alloy liquid enters a semi-continuous casting process through a launder (the hydrogen content measured by the launder is controlled to be less than or equal to 0.1mL/100gAL when the alloy liquid passes through the launder);
c. b, semi-continuously casting the alloy liquid obtained in the step b at 730 ℃, controlling the casting speed to be 65mm/min, and casting the alloy liquid into a cast ingot with the thickness of 630 mm;
d. homogenizing heat treatment: c, carrying out homogenization heat treatment on the ingot obtained in the step c at 600 ℃ for 8 hours, discharging and cooling the ingot after the heat treatment to be less than or equal to 45 ℃, sequentially carrying out machining after cooling, and cutting the head and the tail to mill the surface;
e. hot rolling: d, heating the ingot subjected to surface milling in the step d to 510 ℃, preserving heat for 10 hours under the temperature condition, and carrying out hot rolling on the ingot by adopting a 1+1 type hot rolling unit to obtain a hot rolled blank with the thickness of 12.0mm, wherein the final rolling temperature is 320 ℃;
f. cold rolling: c, cold rolling the hot rolled blank obtained in the step e to 3.0 mm;
in the cold rolling process, the cold rolling reduction rate of each pass is 40 percent, the refractive index of cold rolling oil is controlled to be more than 90 percent, and the kinematic viscosity value at 40 ℃ is 2.4mm2The oil temperature of rolling oil is controlled to be 45 ℃; the roughness of the roller is controlled to Ra0.4 mu m;
g. solid solution and quenching: d, performing solid solution and quenching on the product coil obtained by the cold rolling in the step f;
in the process of solution quenching, the solution temperature is controlled to be 550 ℃, the running speed of a unit is 10 m/min, and the reduced heat preservation time is 7 min; the pressure of the upper group of water spray and the lower group of water spray is set to be 1.0 bar; the spray water is deionized water (the specific requirements of the deionized water are that the conductivity is less than or equal to 500 mu s/cm, the pH value is 6-8.5, the total hardness is less than or equal to 75mg/L, the suspended solid is less than or equal to 50mg/L, and the water temperature is 20-45 ℃);
h. bending, straightening, cleaning and plate pulling: c, performing stretch bending, straightening and cleaning on the product treated in the step g, and performing stretch bending and straightening on the product to form a plate shape;
i. aging treatment: aging the product aluminum alloy coiled material treated in the step h in an aging furnace, wherein the metal temperature is 220 ℃, and the heat preservation time is 8 hours;
j. and cooling the 6101 aluminum alloy coiled material obtained after the aging treatment to room temperature, then performing longitudinal shearing after straightening, longitudinally shearing to the width of a finished product, and finally packaging and warehousing.
The data of the detection of the relevant performance of the aluminum alloy coiled materials in the states of 6101-T63 of the products prepared by the embodiments 4-6 of the invention are shown in the table 1.
TABLE 1 relevant Performance test data for products of examples 4-6 of the invention
Claims (5)
1. A preparation method of 6101-T63 state aluminum alloy coiled material for a battery guide plate is characterized by comprising the following steps:
a. preparing materials: expressed by mass percentage, the chemical composition of the alloy of the aluminum alloy coiled material comprises 0.35 to 0.50 percent of Si, less than or equal to 0.2 percent of Fe, less than or equal to 0.1 percent of Cu, less than or equal to 0.03 percent of Mn, 0.40 to 0.60 percent of Mg, less than or equal to 0.1 percent of Zn, less than or equal to 0.05 percent of Ti, less than or equal to 0.03 percent of Cr and the balance of Al; preparing various alloy components according to the composition proportion of the aluminum alloy coiled material in the state of 6101-T63 for the battery guide plate;
b. smelting: smelting the chemical components of the alloy prepared in the step a, standing and refining the alloy liquid obtained after smelting, degassing, adding a grain refiner Al-Ti-B wire Al-5Ti-1B after degassing, controlling Ti in the composition of the alloy to be less than or equal to 0.05% by adding the grain refiner Al-Ti-B wire Al-5Ti-1B, filtering the alloy liquid added with the grain refiner, and entering a semi-continuous casting process through a launder after filtering;
c. b, semi-continuously casting the alloy liquid obtained in the step b at the temperature of 690-730 ℃, controlling the casting speed to be 50-65 mm/min, and casting the alloy liquid into a cast ingot with the thickness of 550-630 mm;
d. homogenizing heat treatment: c, carrying out homogenization heat treatment on the ingot obtained in the step c at 550-600 ℃ for 8-12 hours, discharging and cooling the ingot after the heat treatment to be less than or equal to 45 ℃, sequentially carrying out machining after cooling, and cutting the head and the tail to mill the surface;
e. hot rolling: d, heating the ingot subjected to surface milling in the step d to 450-510 ℃, preserving heat for 3-24 hours under the temperature condition, carrying out hot rolling on the ingot by adopting a 1+1 type hot rolling unit to obtain a hot rolled blank with the thickness of 12.0mm, wherein the final rolling temperature is 260-320 ℃;
f. cold rolling: c, cold rolling the hot rolled blank obtained in the step e to 3.0 mm;
in the cold rolling process, the cold rolling reduction rate of each pass is 25-40%, the refractive index of cold rolling oil is controlled to be more than 90%, and the kinematic viscosity value at 40 ℃ is 2.2-2.4 mm2The oil temperature of rolling oil is controlled to be 35-45 ℃; the roughness of the roller is controlled to Ra0.3-0.4 mu m;
g. solid solution and quenching: d, performing solid solution and quenching on the product coil obtained by the cold rolling in the step f;
in the solution quenching process, the solution temperature is controlled to be 510-550 ℃, the running speed of a unit is 5-12 m/min, and the reduced heat preservation time is 3-7 min; the pressure of the upper group of water spray and the lower group of water spray is set to be 0.2-1.2 bar; the spray water is deionized water;
h. bending, straightening, cleaning and plate pulling: c, performing stretch bending, straightening and cleaning on the product treated in the step g, and performing stretch bending and straightening on the product to form a plate shape;
i. aging treatment: aging the product aluminum alloy coiled material treated in the step h in an aging furnace, wherein the metal temperature is 180-220 ℃, and the heat preservation time is 8-20 hours;
j. and cooling the 6101 aluminum alloy coiled material obtained after the aging treatment to room temperature, then performing longitudinal shearing after straightening, longitudinally shearing to the width of a finished product, and finally packaging and warehousing.
2. The method for preparing 6101-T63 state aluminum alloy coiled material for battery guide plates according to claim 1, wherein the method comprises the following steps: and c, in the step b, the smelting temperature is 700-750 ℃ during smelting, and the smelting time is 5-8 hours.
3. The method for preparing 6101-T63 state aluminum alloy coiled material for battery guide plates according to claim 1, wherein the method comprises the following steps: and c, standing for refining in the step b, wherein the temperature of the standing furnace is 720-740 ℃, and the standing time is 20-40 minutes.
4. The method for preparing 6101-T63 state aluminum alloy coiled material for battery guide plates according to claim 1, wherein the method comprises the following steps: and c, when the alloy liquid filtered in the step b passes through the launder, measuring the hydrogen content by the launder to be less than or equal to 0.1mL/100 gAl.
5. The preparation method of aluminum alloy coils in state of 6101-T63 for battery guide plates as claimed in claim 1, wherein the specific requirements of the deionized water in step g are as follows: the conductivity is less than or equal to 500 mu s/cm, the pH value is 6-8.5, the total hardness is less than or equal to 75mg/L, the suspended solid is less than or equal to 50mg/L, and the water temperature is 20-45 ℃.
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