CN102181745A - Environmentally-friendly copper material - Google Patents
Environmentally-friendly copper material Download PDFInfo
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- CN102181745A CN102181745A CN2011101176680A CN201110117668A CN102181745A CN 102181745 A CN102181745 A CN 102181745A CN 2011101176680 A CN2011101176680 A CN 2011101176680A CN 201110117668 A CN201110117668 A CN 201110117668A CN 102181745 A CN102181745 A CN 102181745A
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Abstract
The invention provides an environmentally-friendly copper material, belonging to the technical field of new materials. In the invention, element materials Zn, Al, Sn, Bi, Sb, Fe, Si, Pb and Cu are cast into a blank firstly, and then the blank is annealed to finally obtain the environmentally-friendly copper material. The weight percents of the element materials are as follows: 32-38% of Zn, 0.1-0.6% of Al, 0.1-1.2% of Sn, 0.6-1.2% of Bi, not more than 0.05% of Sb, not more than 0.5% of Fe, not more than0.25% of Si, less than 0.1% of Pb and the balance of Cu; and the annealing temperature is 300-500 DEG C. By the invention, the problem of lead content of the traditional copper material used in water and heating fittings is solved; at room temperature, Bi (bismuth) which is a substitute for lead does not react with oxygen or water and has stable chemical properties. By using the environmentally-friendly copper material, damage of lead dissolved out from a copper alloy material used in water and heating fittings to a human body can be reduced; meanwhile, the environmentally-friendly copper material has excellent cutting property, and products made of the environmentally-friendly copper material do not crack easily and are easy for processing.
Description
Technical field
The present invention relates to a kind of copper product, especially a kind of copper product with aspects such as water heating fittingses belongs to new material technology field.
Background technology
All the time, most of water heating fittings all adopts copper as main raw.Unleaded copper product ftractures easily, processing difficulties, and plumbiferous copper alloy helps processing and improves metallicity.But, plumbiferous copper alloy water heating fittings, there is injury in lead content wherein to HUMAN HEALTH, can damage neural system and brain development, and is especially dangerous to pregnant woman, baby and children.Lead content is than higher in the existing pipe fitting use copper zinc alloy material.Along with the progress of society, the plumbiferous problem of copper product that water heating fittings uses more and more is subjected to the copper product that people's attention, particularly developed country are used water heating fittings, requires more and more higher at aspects such as lead contents.
Summary of the invention
The objective of the invention is in order to overcome above-mentioned the deficiencies in the prior art, in brass alloys, add element such as Bi and replace lead in the original production process, provide a kind of meet the safety and health standard be not easy rimose environmental protection copper product again.
The object of the present invention is achieved like this: a kind of environmental protection copper product, it is characterized in that, become blank by element material Zn, Al, Sn, Bi, Sb, Fe, Si, Pb, the founding of Cu elder generation, annealed again making, the weight percent of described element material is: Zn:32%-38%, Al:0.1%-0.6%, Sn:0.1%-1.2%, Bi:0.6%-1.2%, Sb≤0.05%, Fe≤0.5%, Si≤0.25%, Pb＜0.1%, surplus are Cu.
Described annealing temperature is 300～500 ℃.
The present invention has overcome the problem of lead content in the leaded brass prescription of existing water heating fittings, and at room temperature, the bismuth of plumbous substitute does not react with oxygen or water, has stable chemical property.The present invention reduces lead content in the Cu alloy material.This material is used for water heating fittings, has reduced the injury that lead that water heating fittings separates out causes human body, simultaneously, also keeps material that good cutting ability is arranged, and product is not easy to crack, convenient processing, long service life.Complete processing is simplified, and has saved process annealing, has reduced tooling cost.
Embodiment
A kind of environmental protection copper product, the weight percent of its material consists of: Zn:32%-38%, Al:0.1%-0.6%, Sn:0.1%-1.2%, Bi:0.6%-1.2%, Sb≤0.05%, Fe≤0.5%, Si≤0.25%, Pb＜0.1%, surplus are Cu.
Embodiment one
Make the leadless environment-friendly copper product of 200kg, the weight percent of its material consists of: Zn:38%, Al:0.1%, Sn:0.1%, Bi:0.6%, Sb:0.05%, Fe:0.5%, Si:0.25%, Pb:0.08%, surplus Cu are 60.32%.
Zn in the batching, Al, Sn, Bi, Sb, Fe, Si, Pb, Cu are pure metal, and founding became blank after they were prepared burden.When annealing, the annealed temperature is controlled between 300-500 ℃.
Embodiment two
Make the leadless environment-friendly copper product of 100kg, the weight percent of its material consists of: Zn:32%, Al:0.6%, Sn:1.2%, Bi:1.2%, Sb:0.05%, Fe:0.5%, Si:0.25%, Pb:0.08%, surplus Cu are 64.12%.
Zn in the batching, Al, Sn, Bi, Sb, Fe, Si, Pb, Cu are pure metal, and founding became blank after they were prepared burden.When annealing, the annealed temperature is controlled between 300-500 ℃.
Claims (2)
1. environmental protection copper product, it is characterized in that, become blank by element material Zn, Al, Sn, Bi, Sb, Fe, Si, Pb, the founding of Cu elder generation, annealed again making, the weight percent of described element material is: Zn:32%-38%, Al:0.1%-0.6%, Sn:0.1%-1.2%, Bi:0.6%-1.2%, Sb≤0.05%, Fe≤0.5%, Si≤0.25%, Pb＜0.1%, surplus are Cu.
2. a kind of environmental protection copper product according to claim 1 is characterized in that annealing temperature is 300 ~ 500 ℃.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101176680A CN102181745A (en) | 2011-05-09 | 2011-05-09 | Environmentally-friendly copper material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101176680A CN102181745A (en) | 2011-05-09 | 2011-05-09 | Environmentally-friendly copper material |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102181745A true CN102181745A (en) | 2011-09-14 |
Family
ID=44568030
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011101176680A Pending CN102181745A (en) | 2011-05-09 | 2011-05-09 | Environmentally-friendly copper material |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102181745A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103667781A (en) * | 2013-12-20 | 2014-03-26 | 柳州市五环水暖器材经营部 | Environment-friendly copper material for water heating fittings |
| CN103725920A (en) * | 2013-12-20 | 2014-04-16 | 柳州市五环水暖器材经营部 | Environment-friendly easily-cut brass |
| CN106103755A (en) * | 2014-03-31 | 2016-11-09 | 株式会社栗本铁工所 | Water tube component low-lead brass alloy |
| CN107937752A (en) * | 2017-12-06 | 2018-04-20 | 浙江新颖铜业有限公司 | Low lead sterilization copper alloy and preparation method thereof |
-
2011
- 2011-05-09 CN CN2011101176680A patent/CN102181745A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103667781A (en) * | 2013-12-20 | 2014-03-26 | 柳州市五环水暖器材经营部 | Environment-friendly copper material for water heating fittings |
| CN103725920A (en) * | 2013-12-20 | 2014-04-16 | 柳州市五环水暖器材经营部 | Environment-friendly easily-cut brass |
| CN106103755A (en) * | 2014-03-31 | 2016-11-09 | 株式会社栗本铁工所 | Water tube component low-lead brass alloy |
| CN107937752A (en) * | 2017-12-06 | 2018-04-20 | 浙江新颖铜业有限公司 | Low lead sterilization copper alloy and preparation method thereof |
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Legal Events
| Date | Code | Title | Description |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20110914 |