CN106222481A - Copper alloy wire that a kind of high accuracy tensile property is high and processing technique thereof - Google Patents
Copper alloy wire that a kind of high accuracy tensile property is high and processing technique thereof Download PDFInfo
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- CN106222481A CN106222481A CN201610736533.5A CN201610736533A CN106222481A CN 106222481 A CN106222481 A CN 106222481A CN 201610736533 A CN201610736533 A CN 201610736533A CN 106222481 A CN106222481 A CN 106222481A
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- copper alloy
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- alloy wire
- lanthanum
- beryllium
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C9/00—Alloys based on copper
- C22C9/01—Alloys based on copper with aluminium as the next major constituent
-
- 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
-
- 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
- C22C1/03—Making non-ferrous alloys by melting using master alloys
Abstract
The invention discloses the high copper alloy wire of a kind of high accuracy tensile property and processing technique thereof, it is prepared from including by the raw material of following weight portion: red copper 70～90 parts, aluminum 3～9 parts, silicon 2～5 parts, manganese 2～4 parts, lead 1～2 parts, stannum 0.1～0.6 part, beryllium 0.2～0.3 part, chromium 0.5～0.8 part, zirconium 0.2～0.5 part, tungsten 0.3～0.6 part, zinc 0.6～0.75 part, boron 0.25～0.35 part, antimony 0.1～0.2 part, lanthanum 0.16～0.26 part, remaining is impurity.The present invention adds intensity when silicon can obviously improve tensile strength, hardness, machinability and high temperature, and makes elongation percentage reduce.The present invention is coordinated by the trace element such as silicon and beryllium, chromium, zirconium, tungsten, boron, antimony, lanthanum, nickel so that copper alloy wire takes into account tensile strength and elongation percentage.Copper alloy wire of the present invention is made to have preferable performance.
Description
Technical field
The present invention relates to copper alloy wire field, be specifically related to the high copper alloy wire of a kind of high accuracy tensile property and
Processing technique.
Background technology
Along with developing rapidly of electronics industry, the demand of domestic and international high-precision section copper and copper alloy wire material increases rapidly
Add.The production method of China's special-shaped copper and copper alloy wire material at present mainly has high speed hammering-High Precision Cold method, milling method, hole
The techniques such as type rolling.Existing technique produces high-precision section copper and copper alloy wire material and also exists that equipment investment is big, made-up belt precision
Require the shortcomings such as height, complex production process, production cycle length, production cost are high.
Copper material purposes in electric power, communications industry is the most widely, and common alloy abnormal shape copper alloy wire is low
End market is the most saturated, but the special-shaped alloy abnormal shape copper alloy wire needed for power industry high-end market relies primarily on import, because of
Its all technical requires strict, and owing to abnormity casting alloy abnormal shape copper alloy wire belongs to non complete symmetry type abnormal shape copper
Material, production difficulty is big, mostly relies on from external import, but its good performance right and wrong in the case of current Chinese energy anxiety
The most significant.China's abnormity casting alloy abnormal shape copper alloy wire at present belongs to non complete symmetry type copper material in special shape, Ge Xiangji
Art index request is strict, and production difficulty is big.In addition to the conductivity of material is had the requirement of superelevation, the particularity of shape and tolerance
Also there is strict demand.But to want the index reaching each side the most highly difficult from the point of view of existing technology.
Alloy wire exists that conductivity is the highest, intensity is the highest, electric conductivity difference is big in thermo-labile, varying environment, line consumption height
Deng series of problems.
Summary of the invention
For solving the problems referred to above, the invention provides the high copper alloy wire of a kind of high accuracy tensile property and processing work thereof
Skill.
For achieving the above object, the technical scheme that the present invention takes is:
Copper alloy wire that a kind of high accuracy tensile property is high and processing technique thereof, including being prepared by the raw material of following weight portion
Become:
Red copper 70～90 parts, aluminum 3～9 parts, silicon 2～5 parts, manganese 2～4 parts, lead 1～2 parts, stannum 0.1～0.6 part, beryllium 0.2～0.3
Part, chromium 0.5～0.8 part, zirconium 0.2～0.5 part, tungsten 0.3～0.6 part, zinc 0.6～0.75 part, boron 0.25～0.35 part, antimony 0.1
～0.2 part, lanthanum 0.16～0.26 part, remaining is impurity.
Copper alloy wire that a kind of high accuracy tensile property is high and processing technique thereof, comprise the steps:
(1) weigh aluminum 3～9 parts, silicon 2～5 parts, manganese 2～4 parts, lead 1～2 parts, stannum 0.1～0.6 part, zinc 0.6～0.75 part, add
Entering to melt in stove and melt, after refine, aluminum silicomanganese slicker solder kirsite block is produced in cast；Weigh beryllium 0.2～0.3 part, chromium 0.5～0.8
Part, zirconium 0.2～0.5 part, tungsten 0.3～0.6 part, boron 0.25～0.35 part, antimony 0.1～0.2 part, lanthanum 0.16～0.26 part, add
Melting in fusing stove, after refine, beryllium chromium zirconium tungsten boron antimony lanthanum alloy block is produced in cast；
(2) weigh red copper 70～90 parts, join at fusing stove is warming up to 600-800 DEG C and melt, be warming up to 850-980 the most again
At DEG C, add aluminum silicomanganese slicker solder kirsite block, after being sufficiently mixed, add beryllium chromium zirconium tungsten boron antimony lanthanum alloy block, after being sufficiently mixed,
It is passed through refining agent and carries out refine, obtain copper alloy metal liquid；
(3) the copper alloy metal liquid of step 2 gained is incubated at 600-700 DEG C 20-30min；
(4) become copper alloy bar by continuous casting and rolling again, make copper alloy wire through wire drawing machine；
(5) step 4 is prepared special-shaped copper alloy wire, put in the heat-treatment furnace of 300-350 DEG C and carry out heat treatment 5-6 hour；
It is 150-220 DEG C in temperature again to make annealing treatment, is re-fed in 8-11 DEG C of water carrying out cooling 2-4 hour, prepares copper alloy wire
Material finished product.
Further, in described step 1, fusion temperature is 900～1000 DEG C.
Further, in described step 4, casting temperature is 400～500 DEG C；Continuously elongated temperature is 350～450 DEG C, draws
The time of stretching is 15～45s.
Further, in described step 2, after refine, copper alloy metal liquid is also carried out stokehold chemistry and quickly analyzes.
Beneficial effects of the present invention:
Add intensity when silicon can obviously improve tensile strength, hardness, machinability and high temperature, and make elongation percentage reduce.The present invention
By coordinating of silicon and the trace element such as beryllium, chromium, zirconium, tungsten, boron, antimony, lanthanum, nickel so that copper alloy wire takes into account tensile strength
With elongation percentage.Copper alloy wire of the present invention is made to have preferable performance.
Rare earth element of the present invention joins the effect that can play microalloying in copper alloy, Rare-Earth Element Chemistry activity pole
By force, it optionally can adsorb on the crystal grain boundary grown up, and hinders the growth of crystal grain, and result causes crystal grain to refine, has change
The effect of matter.
Processing process is simple, it is simple to operation controls, and uses the process equipment of some routines, and equipment investment is few, produces
Flow process is short, low cost of manufacture, and product surface is bright and clean, and precision is high.
Detailed description of the invention
In order to make objects and advantages of the present invention clearer, below in conjunction with embodiment, the present invention is carried out the most in detail
Explanation.Should be appreciated that specific embodiment described herein, only in order to explain the present invention, is not intended to limit the present invention.
The present invention includes being prepared from by the raw material of following weight portion:
Red copper 70～90 parts, aluminum 3～9 parts, silicon 2～5 parts, manganese 2～4 parts, lead 1～2 parts, stannum 0.1～0.6 part, beryllium 0.2～0.3
Part, chromium 0.5～0.8 part, zirconium 0.2～0.5 part, tungsten 0.3～0.6 part, zinc 0.6～0.75 part, boron 0.25～0.35 part, antimony 0.1
～0.2 part, lanthanum 0.16～0.26 part, remaining is impurity.
Copper alloy wire that a kind of high accuracy tensile property is high and processing technique thereof, comprise the steps:
(1) weigh aluminum 3～9 parts, silicon 2～5 parts, manganese 2～4 parts, lead 1～2 parts, stannum 0.1～0.6 part, zinc 0.6～0.75 part, add
Entering to melt in stove and melt, after refine, aluminum silicomanganese slicker solder kirsite block is produced in cast；Weigh beryllium 0.2～0.3 part, chromium 0.5～0.8
Part, zirconium 0.2～0.5 part, tungsten 0.3～0.6 part, boron 0.25～0.35 part, antimony 0.1～0.2 part, lanthanum 0.16～0.26 part, add
Melting in fusing stove, after refine, beryllium chromium zirconium tungsten boron antimony lanthanum alloy block is produced in cast；
(2) weigh red copper 70～90 parts, join at fusing stove is warming up to 600-800 DEG C and melt, be warming up to 850-980 the most again
At DEG C, add aluminum silicomanganese slicker solder kirsite block, after being sufficiently mixed, add beryllium chromium zirconium tungsten boron antimony lanthanum alloy block, after being sufficiently mixed,
It is passed through refining agent and carries out refine, obtain copper alloy metal liquid；
(3) the copper alloy metal liquid of step 2 gained is incubated at 600-700 DEG C 20-30min；
(4) become copper alloy bar by continuous casting and rolling again, make copper alloy wire through wire drawing machine；
(5) step 4 is prepared special-shaped copper alloy wire, put in the heat-treatment furnace of 300-350 DEG C and carry out heat treatment 5-6 hour；
It is 150-220 DEG C in temperature again to make annealing treatment, is re-fed in 8-11 DEG C of water carrying out cooling 2-4 hour, prepares copper alloy wire
Material finished product.
In described step 1, fusion temperature is 900～1000 DEG C.
In described step 4, casting temperature is 400～500 DEG C；Continuously elongated temperature is 350～450 DEG C, and stretching time is 15
～45s.
In described step 2, after refine, copper alloy metal liquid is also carried out stokehold chemistry and quickly analyzes.
Embodiment 1:
(1) weigh 3 parts of aluminum, silicon 2 parts, 2 parts of manganese, 1 part of lead, 0.1 part of stannum, 0.6 part of zinc, add in fusing stove and melt, water after refine
Note produces aluminum silicomanganese slicker solder kirsite block；Weigh beryllium 0.2 part, chromium 0.5 part, zirconium 0.2 part, 0.3 part of tungsten, boron 0.25 part, antimony 0.1
Part, lanthanum 0.16 part, add in fusing stove and melt, and after refine, beryllium chromium zirconium tungsten boron antimony lanthanum alloy block is produced in cast；
(2) weigh red copper 70 parts, join fusing stove and be warming up at 600 DEG C fusing, be warming up to the most again at 850 DEG C, add aluminum
Silicomanganese slicker solder kirsite block, after being sufficiently mixed, adds beryllium chromium zirconium tungsten boron antimony lanthanum alloy block, after being sufficiently mixed, is passed through refining agent
Carry out refine, obtain copper alloy metal liquid；
(3) the copper alloy metal liquid of step 2 gained is incubated at 600 DEG C 20min；
(4) become copper alloy bar by continuous casting and rolling again, make copper alloy wire through wire drawing machine；
(5) step 4 is prepared special-shaped copper alloy wire, put into and the heat-treatment furnace of 300 DEG C carries out heat treatment 6 hours；Again in temperature
Degree is 150 DEG C and makes annealing treatment, and is re-fed in 8 DEG C of water carrying out cooling down 2 hours, prepares copper alloy wire finished product.
In described step 1, fusion temperature is 900 DEG C.
In described step 4, casting temperature is 400 DEG C；Continuously elongated temperature is 350 DEG C, and stretching time is 15s.
In described step 2, after refine, copper alloy metal liquid is also carried out stokehold chemistry and quickly analyzes.
Embodiment 2:
(1) weigh 9 parts of aluminum, silicon 5 parts, 4 parts of manganese, 2 parts of lead, 0.6 part of stannum, 0.75 part of zinc, add in fusing stove and melt, water after refine
Note produces aluminum silicomanganese slicker solder kirsite block；Weigh beryllium 0.3 part, chromium 0.8 part, zirconium 0.5 part, 0.6 part of tungsten, boron 0.35 part, antimony 0.2
Part, lanthanum 0.26 part, add in fusing stove and melt, and after refine, beryllium chromium zirconium tungsten boron antimony lanthanum alloy block is produced in cast；
(2) weigh red copper 90 parts, join fusing stove and be warming up at 800 DEG C fusing, be warming up to the most again at 980 DEG C, add aluminum
Silicomanganese slicker solder kirsite block, after being sufficiently mixed, adds beryllium chromium zirconium tungsten boron antimony lanthanum alloy block, after being sufficiently mixed, is passed through refining agent
Carry out refine, obtain copper alloy metal liquid；
(3) the copper alloy metal liquid of step 2 gained is incubated at 700 DEG C 30min；
(4) become copper alloy bar by continuous casting and rolling again, make copper alloy wire through wire drawing machine；
(5) step 4 is prepared special-shaped copper alloy wire, put into and the heat-treatment furnace of 350 DEG C carries out heat treatment 6 hours；Again in temperature
Degree is 220 DEG C and makes annealing treatment, and is re-fed in 11 DEG C of water carrying out cooling down 4 hours, prepares copper alloy wire finished product.
In described step 1, fusion temperature is 1000 DEG C.
In described step 4, casting temperature is 500 DEG C；Continuously elongated temperature is 450 DEG C, and stretching time is 45s.
In described step 2, after refine, copper alloy metal liquid is also carried out stokehold chemistry and quickly analyzes.
Embodiment 3:
(1) weigh 3 parts of aluminum, silicon 5 parts, 2 parts of manganese, 1 part of lead, 0.6 part of stannum, 0.6 part of zinc, add in fusing stove and melt, water after refine
Note produces aluminum silicomanganese slicker solder kirsite block；Weigh beryllium 0.3 part, chromium 0.5 part, zirconium 0.2 part, 0.6 part of tungsten, boron 0.35 part, antimony 0.2
Part, lanthanum 0.16 part, add in fusing stove and melt, and after refine, beryllium chromium zirconium tungsten boron antimony lanthanum alloy block is produced in cast；
(2) weigh red copper 78 parts, join fusing stove and be warming up at 800 DEG C fusing, at being warming up to 850-980 DEG C the most again, add
Enter aluminum silicomanganese slicker solder kirsite block, after being sufficiently mixed, add beryllium chromium zirconium tungsten boron antimony lanthanum alloy block, after being sufficiently mixed, be passed through essence
Refining agent carries out refine, obtains copper alloy metal liquid；
(3) the copper alloy metal liquid of step 2 gained is incubated at 600-700 DEG C 20-30min；
(4) become copper alloy bar by continuous casting and rolling again, make copper alloy wire through wire drawing machine；
(5) step 4 is prepared special-shaped copper alloy wire, put into and the heat-treatment furnace of 300-350 DEG C carries out heat treatment 5 hours；Again
It is 19 DEG C in temperature to make annealing treatment, is re-fed in 9 DEG C of water carrying out cooling down 3 hours, prepare copper alloy wire finished product.
In described step 1, fusion temperature is 980 DEG C.
In described step 4, casting temperature is 46 DEG C；Continuously elongated temperature is 378 DEG C, and stretching time is 45s.
In described step 2, after refine, copper alloy metal liquid is also carried out stokehold chemistry and quickly analyzes.
The present invention adds intensity when silicon can obviously improve tensile strength, hardness, machinability and high temperature, and makes elongation percentage drop
Low.The present invention is coordinated by the trace element such as silicon and beryllium, chromium, zirconium, tungsten, boron, antimony, lanthanum, nickel so that copper alloy wire is taken into account
Tensile strength and elongation percentage.Copper alloy wire of the present invention is made to have preferable performance.
Rare earth element of the present invention joins the effect that can play microalloying in copper alloy, Rare-Earth Element Chemistry activity pole
By force, it optionally can adsorb on the crystal grain boundary grown up, and hinders the growth of crystal grain, and result causes crystal grain to refine, has change
The effect of matter.
Processing process is simple, it is simple to operation controls, and uses the process equipment of some routines, and equipment investment is few, produces
Flow process is short, low cost of manufacture, and product surface is bright and clean, and precision is high.
The above is only the preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For Yuan, under the premise without departing from the principles of the invention, it is also possible to make some improvements and modifications, these improvements and modifications also should
It is considered as protection scope of the present invention.
Claims (5)
1. the copper alloy wire that a high accuracy tensile property is high, it is characterised in that include being prepared by the raw material of following weight portion
Form:
Red copper 70～90 parts, aluminum 3～9 parts, silicon 2～5 parts, manganese 2～4 parts, lead 1～2 parts, stannum 0.1～0.6 part, beryllium 0.2～0.3
Part, chromium 0.5～0.8 part, zirconium 0.2～0.5 part, tungsten 0.3～0.6 part, zinc 0.6～0.75 part, boron 0.25～0.35 part, antimony 0.1
～0.2 part, lanthanum 0.16～0.26 part, remaining is impurity.
2. the copper alloy wire that tensile property is high in high precision and processing technique thereof, it is characterised in that comprise the steps:
(1) weigh aluminum 3～9 parts, silicon 2～5 parts, manganese 2～4 parts, lead 1～2 parts, stannum 0.1～0.6 part, zinc 0.6～0.75 part, add
Entering to melt in stove and melt, after refine, aluminum silicomanganese slicker solder kirsite block is produced in cast；Weigh beryllium 0.2～0.3 part, chromium 0.5～0.8
Part, zirconium 0.2～0.5 part, tungsten 0.3～0.6 part, boron 0.25～0.35 part, antimony 0.1～0.2 part, lanthanum 0.16～0.26 part, add
Melting in fusing stove, after refine, beryllium chromium zirconium tungsten boron antimony lanthanum alloy block is produced in cast；
(2) weigh red copper 70～90 parts, join at fusing stove is warming up to 600-800 DEG C and melt, be warming up to 850-980 the most again
At DEG C, add aluminum silicomanganese slicker solder kirsite block, after being sufficiently mixed, add beryllium chromium zirconium tungsten boron antimony lanthanum alloy block, after being sufficiently mixed,
It is passed through refining agent and carries out refine, obtain copper alloy metal liquid；
(3) the copper alloy metal liquid of step 2 gained is incubated at 600-700 DEG C 20-30min；
(4) become copper alloy bar by continuous casting and rolling again, make copper alloy wire through wire drawing machine；
(5) step 4 is prepared special-shaped copper alloy wire, put in the heat-treatment furnace of 300-350 DEG C and carry out heat treatment 5-6 hour；
It is 150-220 DEG C in temperature again to make annealing treatment, is re-fed in 8-11 DEG C of water carrying out cooling 2-4 hour, prepares copper alloy wire
Material finished product.
Copper alloy wire that a kind of high accuracy tensile property the most according to claim 2 is high and processing technique, its feature
Being, in described step 1, fusion temperature is 900～1000 DEG C.
Copper alloy wire that a kind of high accuracy tensile property the most according to claim 2 is high and processing technique, its feature
Being, in described step 4, casting temperature is 400～500 DEG C；Continuously elongated temperature is 350～450 DEG C, stretching time be 15～
45s。
Copper alloy wire that a kind of high accuracy tensile property the most according to claim 2 is high and processing technique, its feature
It is, in described step 2, after refine, copper alloy metal liquid is also carried out stokehold chemistry and quickly analyzes.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610736533.5A CN106222481A (en) | 2016-08-29 | 2016-08-29 | Copper alloy wire that a kind of high accuracy tensile property is high and processing technique thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610736533.5A CN106222481A (en) | 2016-08-29 | 2016-08-29 | Copper alloy wire that a kind of high accuracy tensile property is high and processing technique thereof |
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|---|---|
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610736533.5A Pending CN106222481A (en) | 2016-08-29 | 2016-08-29 | Copper alloy wire that a kind of high accuracy tensile property is high and processing technique thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106694603A (en) * | 2017-01-19 | 2017-05-24 | 河北星耀稀有金属材料有限公司 | Preparation method of beryllium bronze alloy wire |
| CN116411202A (en) * | 2021-12-29 | 2023-07-11 | 无锡市蓝格林金属材料科技有限公司 | Copper-tin alloy wire and preparation method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103725918A (en) * | 2013-12-19 | 2014-04-16 | 铜陵金力铜材有限公司 | Rare earth copper alloy wire and preparation method thereof |
| CN103757484A (en) * | 2013-12-19 | 2014-04-30 | 铜陵金力铜材有限公司 | High tensile strength aluminum alloy wire rod and preparation method thereof |
| CN105331845A (en) * | 2015-12-02 | 2016-02-17 | 芜湖楚江合金铜材有限公司 | High-precision special-shaped copper alloy wire and processing technology thereof |
| CN105401044A (en) * | 2015-11-23 | 2016-03-16 | 芜湖楚江合金铜材有限公司 | Copper alloy wire for ultrafine machining and preparing method for copper alloy wire |
-
2016
- 2016-08-29 CN CN201610736533.5A patent/CN106222481A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103725918A (en) * | 2013-12-19 | 2014-04-16 | 铜陵金力铜材有限公司 | Rare earth copper alloy wire and preparation method thereof |
| CN103757484A (en) * | 2013-12-19 | 2014-04-30 | 铜陵金力铜材有限公司 | High tensile strength aluminum alloy wire rod and preparation method thereof |
| CN105401044A (en) * | 2015-11-23 | 2016-03-16 | 芜湖楚江合金铜材有限公司 | Copper alloy wire for ultrafine machining and preparing method for copper alloy wire |
| CN105331845A (en) * | 2015-12-02 | 2016-02-17 | 芜湖楚江合金铜材有限公司 | High-precision special-shaped copper alloy wire and processing technology thereof |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106694603A (en) * | 2017-01-19 | 2017-05-24 | 河北星耀稀有金属材料有限公司 | Preparation method of beryllium bronze alloy wire |
| CN116411202A (en) * | 2021-12-29 | 2023-07-11 | 无锡市蓝格林金属材料科技有限公司 | Copper-tin alloy wire and preparation method thereof |
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