CN102703752B - High-copper high-lead brass material and preparation method thereof - Google Patents
High-copper high-lead brass material and preparation method thereof Download PDFInfo
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Abstract
The invention discloses a high-copper high-lead brass material. The high-copper high-lead brass material is characterized by comprising the following components in part by weight: 0.1 to 0.5 part of nickel, 1.3 to 3.0 parts of lead, 0.064 to 0.2 part of trace element, 0.1 to 0.3 part of iron, 88 to 91 parts of copper and 5 to 10.44 parts of zinc, wherein the copper and the zinc contain 0.2 part of inevitable impurities; and the trace element consists of the following components in part by weight: 0.01 to 0.04 part of titanium, 0.001 to 0.01 part of boron, 0.001 to 0.01 part of rhenium, 0.001 to 0.02 part of cerium, 0.05 to 0.1 part of tin and 0.001 to 0.02 part of aluminum. A preparation method for the high-copper high-lead brass material is characterized by comprising the following steps of: casting pipe, rod, wire and section casting blanks through horizontal continuous casting, and performing cold deformation through linear drawing or wire rod drawing. By the method, the short flow is realized, a hot-working deformation process is eliminated in the production process, and the cost is low.
Description
Technical field
The present invention relates to new copper alloy material preparing technical field, specifically a kind of high-copper leaded brass material and preparation method thereof.
Background technology
Mineral resources are a kind of important substance bases that human society is depended on for existence, it is the important guarantee of national security and Economic development, then, Mineral resources belong to Nonrenewable resources, and the quantity of Mineral resources is limited, because long-term edge is in order to pursue rate of growth, the extensive Development patterns that a large amount of consumption of natural resource are feature, by poor and backward move towards gradually prosperous and powerful in, the consumption of Mineral resources is also significantly being risen, cause nonrenewable resource to be absolute minimizing trend, renewable resources also shows obvious weak situation, therefore, should sufficiently and reasonably utilize resource, reduce loss and the waste of Mineral resources as far as possible, the object of protecting national resource is in order to utilize better natural resources, copper content up to 90% and lead tolerance reach 2% the single-phase complex brass of multicomponent α, with its bright-coloured gold color, machinability and corrosion-resistant, easily cutting, the stable physicals of high conduction is by electric, architectural hardware, the industry widespread uses such as air-conditioning, this brass is electric connector, power transformer terminal stud, structural fire protection shower nozzle, architectural hardware, the desirable new copper alloy materials such as conditioner copper sleeve,
The copper content of traditional leaded brass is generally lower than 64%, its comprehensive physical performance can not meet modern industry requirement, the leaded brass thermal deformation behavior of high copper content is very poor, complicated process of preparation, current fabricating technology adopts semicontinuous casting to become casting rod, become little ingot casting with sawing again, little ingot casting is heated with coal gas or induced electricity process furnace, large-size extruder extruding thermal distortion, extrusion machine is squeezed into pipe or excellent line base, carry out again cold deformation processing, this kind of technical process is long, yield rate less than 60%, energy consumption is large, instrument and raw materials cost are high, and goods very easily crack and ftracture in hot procedure, unstable product quality.
Summary of the invention
The present invention is directed to the physical property of high-copper lead and yellow-collation alloy, heat deformability is poor, and cold deformation is good, adopt horizontal continuous casting method to produce pipe, rod, line and section bar strand, at or disc type cold drawing deformation and process annealing recrystallize and finished products cold drawn through orthoscopic, produce pipe, rod, line processing material; This preparation technology's flow process is short, and whole hot procedure has been saved in centre, has significantly reduced cost; Avoid again high-copper lead brass alloy hot-work weakness easy to crack, ensured the stable performance of material and the raising of yield rate simultaneously.
The present invention seeks to be realized by following technical scheme: a kind of high-copper leaded brass material, is characterized in that comprising following component and parts by weight: nickel 0.1-0.5 part, plumbous 1.3-3.0 part, trace element 0.064-0.2 part, iron 0.1-0.3 part, copper 88-91 part, zinc 5-10.44 part; Wherein, copper zinc is containing 0.2 part of inevitable impurity, and described trace element is made up of following component and parts by weight: titanium 0.01-0.04 part, boron 0.001-0.01 part, rhenium 0.001-0.01 part, cerium 0.001-0.02 part, tin 0.05-0.1 part, aluminium 0.001-0.02 part.
A preparation method for high-copper leaded brass material, is characterized in that: comprise horizontal casting cast tube, rod, line and section bar strand operation, orthoscopic stretches or dish round type stretching cold deformation operation;
Horizontal casting cast tube, rod, line and section bar strand operation are that above-mentioned component is put into respectively to smelting furnace, fusing order in this smelting furnace is for first adding the copper of 88-91 part, temperature in smelting furnace is 1100 DEG C-1200 DEG C, after dissolving, copper adds the lead of 1.3-3 part and the zinc of 5-10.44 part, it is 1200 DEG C-1300 DEG C by the temperature rise in smelting furnace, in smelting furnace, add 0.1-0.5 part nickel again, 0.1-0.3 part iron, the trace element of 0.064-0.2 part, by static copper alloy liquid 20-30 minute, again copper alloy liquid in smelting furnace is flowed into holding furnace by chute, holding furnace temperature is controlled at 1200 DEG C-1300 DEG C, in holding furnace, copper alloy liquid solidifies and has towing mechanism to draw through crystallizer, the coolant water temperature entering in crystallizer is 20 DEG C-25 DEG C, the water temp that goes out crystallizer is 30 DEG C-45 DEG C, cooling from the blank cold water of drawing in crystallizer, water temperature is 25 DEG C-30 DEG C,
Orthoscopic stretches or dish round type stretching cold deformation operation is to decide and adopt straight line to stretch or disk stretching according to the shape difference of finished product, and pass reduction is controlled at 20-30%, and process annealing temperature is 550 DEG C-650 DEG C, and the annealing temperature of finished product is 200-300 DEG C.
Every above-mentioned blank requires to adjust arbitrarily length according to finished product.
Advantage of the present invention:
The first, horizontal casting cogging, length can regulate and control arbitrarily, and strand does not need heating, and the cold deformation that directly stretches, through process annealing and finished products, is produced the evenly fine and closely woven processing material of knitting of pipe, rod, line and section bar;
The second, the present invention has realized that short flow process, production process have been omitted thermal processing distortion operation, cost is low; Lumber recovery >86%;
The 3rd, product comprehensive physical performance, far above common lead brass, has realized high conductivity, high strength, high-ductility and good cutting ability;
Embodiment
Example 1:
Get 0.2 part, nickel, plumbous 1.3 parts, 0.064 part of trace element, 0.1 part of iron, 88 parts of copper, 10.34 parts, zinc; Wherein, trace element is made up of following component and parts by weight: 0.01 part of titanium, 0.05 part, tin, boron 0.001, rhenium 0.001, cerium 0.001; Aluminium 0.001;
Horizontal casting cast tube, rod, line and section bar strand operation are that above-mentioned component is put into respectively to smelting furnace, fusing order in this smelting furnace is for first adding the copper of 88 parts, temperature in smelting furnace is 1100 DEG C-1200 DEG C, after dissolving, copper adds the lead of 1.3 parts and the zinc of 10.34 parts, it is 1200 DEG C-1300 DEG C by the temperature rise in smelting furnace, in smelting furnace, add 0.1 part of iron again, the trace element of 0.2 part of nickel and above-mentioned 0.064 part, by after static copper alloy liquid 20 minutes, again the copper alloy liquid in smelting furnace is flowed into holding furnace inside by chute, holding furnace temperature is controlled at 1200 DEG C-1300 DEG C, copper alloy liquid solidifies and is drawn by towing mechanism through crystallizer, in this crystallizer, be provided with copper alloy inner sleeve, in copper alloy inner sleeve, stud with graphite cannula, this graphite cannula adopts high-purity cracking graphite, towing mechanism is controlled traction automatically by motor, tractive manner is for drawing-stop-counter pushing away, the coolant water temperature entering in crystallizer is 20 DEG C-25 DEG C, the water temp that goes out crystallizer is 30 DEG C-45 DEG C, the strand of drawing in crystallizer is cooling with cold water, water temperature is 25 DEG C-30 DEG C, every strand can be adjusted arbitrarily length according to the requirement of finished product, the present embodiment strand is pole, 25 millimeters of diameters,
Straight line stretches or dish circle stretching cold deformation operation is to decide and adopt straight line drawing machine or disk to stretch according to the shape difference of finished product, pass reduction is controlled at 20-30%, this process process annealing temperature is 550 DEG C-650 DEG C, the annealing temperature of finished product is 200 DEG C-300 DEG C, and the present embodiment trimmed size is the hard state pole of 10 millimeters of diameters.
Example 2:
Get 0.3 part, nickel, plumbous 1.8 parts, 0.09 part of trace element, 0.15 part of iron, 89 parts of copper, 8.66 parts, zinc; Wherein, trace element is made up of following component and parts by weight: 0.02 part of titanium, 0.002 part of boron, 0.002 part of rhenium, 0.002 part of cerium, 0.06 part, tin, 0.004 part, aluminium;
Horizontal casting cast tube, rod, line and section bar strand operation are that above-mentioned component is put into respectively to smelting furnace, fusing order in this smelting furnace is for first adding the copper of 89 parts, temperature in smelting furnace is 1100 DEG C-1200 DEG C, after dissolving, copper adds the lead of 1.8 parts and the zinc of 8.66 parts, it is 1200 DEG C-1300 DEG C by the temperature rise in smelting furnace, in smelting furnace, add 0.3 part of nickel again, 0.15 part of iron, the trace element of above-mentioned 0.09 part, by static copper alloy liquid 20 minutes, again the copper alloy liquid in smelting furnace is flowed into holding furnace inside by chute, holding furnace temperature is controlled at 1200 DEG C-1300 DEG C, copper alloy liquid solidifies through crystallizer, and drawn by towing mechanism, in this crystallizer, be provided with copper alloy inner sleeve, in copper alloy inner sleeve, stud with graphite cannula, this graphite cannula adopts high-purity cracking graphite, towing mechanism is controlled traction automatically by motor, tractive manner is for drawing-stop-counter pushing away, the water coolant water temperature entering in crystallizer is 20 DEG C-25 DEG C, the water temp that goes out crystallizer is 30 DEG C 45 DEG C, cooling from the strand cold water of drawing in crystallizer, water temperature is 25 DEG C-30 DEG C, every strand can be adjusted arbitrarily length according to the requirement of finished product, the present embodiment strand is pole, 25 millimeters of diameters,
The method of straight line stretching or dish circle stretching cold deformation operation is identical with example 1, therefore omit.
Example 3:
Get 0.4 part, nickel, plumbous 2.2 parts, 0.15 part of trace element, 0.2 part of iron, 90 parts of copper, 7.05 parts, zinc; Wherein, trace element is made up of following component and parts by weight: 0.03 part of titanium, boron 0.01,0.01 part of rhenium, cerium 0.01,0.08 part, tin, 0.01 part, aluminium.
Horizontal casting cast tube, rod, line and section bar strand operation are that above-mentioned component is put into respectively to smelting furnace, fusing order in this smelting furnace is for first adding the copper of 90 parts, temperature in smelting furnace is 1100 DEG C-1200 DEG C, after dissolving, copper adds the lead of 2.2 parts and the zinc of 7.05 parts, it is 1200 DEG C-1300 DEG C by the temperature rise in smelting furnace, in smelting furnace, add 0.4 part of nickel again, 0.2 part of iron, the trace element of above-mentioned 0.15 part, static 20 minutes of copper alloy liquid, again the copper alloy liquid in smelting furnace is flowed into holding furnace inside by chute, holding furnace temperature is controlled at 1200 DEG C-1300 DEG C, copper alloy liquid solidifies through crystallizer, and drawn by towing mechanism, in this crystallizer, be provided with copper alloy inner sleeve, in copper alloy inner sleeve, stud with graphite cannula, this graphite cannula adopts high-purity cracking graphite, towing mechanism is controlled traction automatically by motor, tractive manner is for drawing-stop-counter pushing away, the water coolant water temperature entering in crystallizer is 20 DEG C-25 DEG C, the water temp that goes out crystallizer is 30 DEG C-45 DEG C, cooling from the strand cold water of drawing in crystallizer, water temperature is 25 DEG C-30 DEG C, every strand can be adjusted arbitrarily length according to the requirement of finished product, the present embodiment strand is pole, 25 millimeters of diameters,
The method of straight line stretching or dish circle stretching cold deformation operation is identical with example 1, therefore omit.
Example 4:
Get 0.5 part, nickel, plumbous 3.0 parts, 0.2 part of trace element, 0.3 part of iron, 91 parts of copper, 5 parts, zinc; Wherein, trace element is made up of following component and parts by weight: 0.04 part of titanium, boron 0.01,0.01 part of rhenium, cerium 0.02,0.1 part, tin, 0.02 part, aluminium.
Horizontal casting cast tube, rod, line and section bar strand operation are that above-mentioned component is put into respectively to smelting furnace, fusing order in this smelting furnace is for first adding the copper of 91 parts, temperature in smelting furnace is 1100 DEG C-1200 DEG C, after dissolving, copper adds the lead of 3.0 parts and the zinc of 5 parts, it is 1200 DEG C-1300 DEG C by the temperature rise in smelting furnace, in smelting furnace, add 0.5 part, nickel again, 0.3 part of iron, the trace element of above-mentioned 0.2 part, static 20 minutes of copper alloy liquid, again the copper alloy liquid in smelting furnace is flowed into holding furnace inside by chute, holding furnace temperature is controlled at 1200 DEG C-1300 DEG C, copper alloy liquid solidifies through crystallizer, and drawn by towing mechanism, in this crystallizer, be provided with copper alloy inner sleeve, in copper alloy inner sleeve, stud with graphite cannula, this graphite cannula adopts high-purity cracking graphite, towing mechanism is controlled traction automatically by motor, tractive manner is for drawing-stop-counter pushing away, the water coolant water temperature entering in crystallizer is 20 DEG C-25 DEG C, the water temp that goes out crystallizer is 30 DEG C-45 DEG C, cooling from the strand cold water of drawing in crystallizer, water temperature is 25 DEG C-30 DEG C, every strand can be adjusted arbitrarily length according to the requirement of finished product, the present embodiment strand is pole, 25 millimeters of diameters,
The method of straight line stretching or dish circle stretching cold deformation operation is identical with example 1, therefore omit.
Result is as follows:
Claims (3)
1. a high-copper leaded brass material, is characterized in that: comprise following component and parts by weight: nickel 0.1-0.5 part, plumbous 1.3-3.0 part, micro-0.064-0.2 part, iron 0.1-0.3 part, copper 88-91 part, zinc 5-10.44 part, wherein, contain 0.2 part of inevitable impurity in copper zinc, above-mentioned trace element is made up of following component and parts by weight: 0.01-0.04 part, boron 0.001-0.01 part, rhenium 0.001-0.01 part, cerium 0.001-0.02 part, tin 0.05-0.1 part, aluminium 0.001-0.02 part, described high-copper leaded brass material is prepared by following operation: comprise horizontal casting and section bar strand operation, orthoscopic stretches or dish round type stretching cold deformation operation, horizontal casting and section bar strand operation are that above-mentioned component is put into respectively to smelting furnace, fusing order in this smelting furnace is for first adding the copper of 88-91 part, temperature in smelting furnace is 1100 DEG C-1200 DEG C, after dissolving, copper adds the lead of 1.3-3 part and the zinc of 5-10.44 part, by 1200 DEG C-1300 DEG C of the temperature increase in smelting furnace, again to the nickel that adds 0.1-0.5 part in smelting furnace, the trace element of the iron of 0.1-0.3 part and above-mentioned 0.064-0.2 part, by static copper alloy liquid 20-30 minute, again the copper alloy liquid in smelting furnace is flowed into holding furnace by chute, holding furnace temperature is controlled at 1200 DEG C-1300 DEG C, copper alloy liquid is solidified and is drawn by towing mechanism through crystallizer, the coolant water temperature entering in crystallizer is 20 DEG C-25 DEG C, the water temp that goes out crystallizer is 30 DEG C-45 DEG C, cooling from the blank cold water of drawing in crystallizer, water temperature is 25 DEG C-30 DEG C, orthoscopic stretches or dish round type stretching cold deformation operation is to decide and adopt straight line to stretch or disk stretching according to the shape difference of finished product, and pass reduction is controlled at 20-30%, and middle annealing temperature is 550 DEG C-650 DEG C, and finished products temperature is 200-300 DEG C.
2. a preparation method for high-copper leaded brass material, is characterized in that: comprise horizontal casting and section bar strand operation, orthoscopic stretches or dish round type stretching cold deformation operation;
Horizontal casting and section bar strand operation are that the each group of component that high-copper leaded brass material claimed in claim 1 is comprised put into respectively smelting furnace, fusing order in this smelting furnace is for first adding the copper of 88-91 part, temperature in smelting furnace is 1100 DEG C-1200 DEG C, after dissolving, copper adds the lead of 1.3-3 part and the zinc of 5-10.44 part, by 1200 DEG C-1300 DEG C of the temperature increase in smelting furnace, again to the nickel that adds 0.1-0.5 part in smelting furnace, the trace element of the iron of 0.1-0.3 part and 0.064-0.2 part, by static copper alloy liquid 20-30 minute, again the copper alloy liquid in smelting furnace is flowed into holding furnace by chute, holding furnace temperature is controlled at 1200 DEG C-1300 DEG C, copper alloy liquid is solidified and is drawn by towing mechanism through crystallizer, the coolant water temperature entering in crystallizer is 20 DEG C-25 DEG C, the water temp that goes out crystallizer is 30 DEG C-45 DEG C, cooling from the blank cold water of drawing in crystallizer, water temperature is 25 DEG C-30 DEG C,
Orthoscopic stretches or dish round type stretching cold deformation operation is to decide and adopt straight line to stretch or disk stretching according to the shape difference of finished product, and pass reduction is controlled at 20-30%, and middle annealing temperature is 550 DEG C-650 DEG C, and finished products temperature is 200-300 DEG C.
3. the preparation method of a kind of high-copper leaded brass material according to claim 2, is characterized in that: above-mentioned horizontal casting and section bar strand require to adjust arbitrarily length according to finished product.
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| CN103695703B (en) * | 2013-12-18 | 2015-05-13 | 江西鸥迪铜业有限公司 | Process method for preparing brass tube for bathroom by using horizontal continuous casting method |
| CN107541613B (en) * | 2016-06-28 | 2019-03-08 | 沈阳慧坤新材料科技有限公司 | One Albatra metal and its preparation method and application |
| CN113249612A (en) * | 2021-04-21 | 2021-08-13 | 铁岭富兴铜业有限公司 | Novel contact copper alloy and preparation method thereof |
| CN113249611A (en) * | 2021-04-21 | 2021-08-13 | 沈阳慧坤新材料科技有限公司 | Easy-turning high-elasticity copper alloy and preparation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1180756A (en) * | 1996-10-25 | 1998-05-06 | 鞍山钢铁集团公司 | High-strength high-conductivity copper alloy casting used for arc furnace electrode clamper |
| CN1856588A (en) * | 2003-09-19 | 2006-11-01 | 住友金属工业株式会社 | Copper alloy and method for production thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1180756A (en) * | 1996-10-25 | 1998-05-06 | 鞍山钢铁集团公司 | High-strength high-conductivity copper alloy casting used for arc furnace electrode clamper |
| CN1856588A (en) * | 2003-09-19 | 2006-11-01 | 住友金属工业株式会社 | Copper alloy and method for production thereof |
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Effective date of registration: 20180712 Address after: 110000 China (Liaoning) free trade trial area, Shenyang area 109-1, No. 109-1 (109-1), 2 story, room 247-3748. Patentee after: Shenyang Hui Kun new Mstar Technology Ltd Address before: 112611 Tieling County Yi Road Park, Tieling City, Liaoning Patentee before: Tieling Fuxing Copper Industry Co., Ltd. |