CN103469004B - A kind of Pb-free copper-alloy material - Google Patents
A kind of Pb-free copper-alloy material Download PDFInfo
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- CN103469004B CN103469004B CN201310353689.1A CN201310353689A CN103469004B CN 103469004 B CN103469004 B CN 103469004B CN 201310353689 A CN201310353689 A CN 201310353689A CN 103469004 B CN103469004 B CN 103469004B
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Abstract
The present invention proposes a kind of Pb-free copper-alloy material, its mass percent consists of: copper is 63%, lead is 0.2%, tin is 0.2%, iron is 0.2%, nickel is 0.3%, aluminium is 0.2%, arsenic is 0.08%; Surplus is zinc and inevitable impurity, and impurity≤0.4%.Advantage: environmental protection of the present invention, safety and Health coefficient are high; There is good thermoforming performance, cutting ability, anti dezincification character energy; Tensile strength, unit elongation are high; Be particularly suitable for valve in potable water system, pipe fitting and various spare and accessory parts thereof to produce; The techniques such as forging, machine add, electroplate, polishing, welding.
Description
Technical field
The present invention relates to a kind of technical field of metal, refer to a kind of Pb-free copper-alloy material especially.
Background technology
At present, due to the performance such as cutting, stretching excellent of copper, be widely applied in various industry, be particularly suitable for valve in potable water system, pipe fitting and various spare and accessory parts thereof and produce, suitable forging, machine add, electroplate, polishing, the technique such as welding.Especially the equipment in potable water system, for the consideration of safety and health, necessarily requires to use without lead bronze or Pb-free copper-alloy; Then require must be less than specified standards without the Pb constituent content in lead bronze or Pb-free copper-alloy.Therefore, various in style without lead bronze on present market, as prior art, publication number is 101250641, patent name is a kind of leadless copper alloy for amiable cutting smithing, it is characterized in that the weight percent of its alloy consists of: Cu:57.5%-59.0%, Fe:0.05%-0.2%, Si:0.3%-0.4%, Bi:0.7% ~ 1.2%, surplus is zinc and inevitable impurity, and Pb :≤0.05, Sn :≤0.2%, Ni :≤0.2%.But the performance of Bi, Si element meeting material in current material, Bi element can make material easily ftracture; Si element influences welding property.
Summary of the invention
In order to solve the technical problem that prior art proposes, the present invention proposes a kind of Pb-free copper-alloy material, its environmental protection, healthy and safe coefficient are high; Tensile strength, the anti dezincification character of material can be high; Welding property, cutting ability and thermoforming performance thereof significantly improve.
Technical scheme of the present invention is achieved in that a kind of Pb-free copper-alloy material, and its mass percent consists of: copper is 60%-68%, lead is 0.01%-0.5%, tin is 0.01%-0.5%, iron is 0.01%-0.3%, nickel is 0.01%-0.6%, aluminium is 0.01%-0.5%, arsenic is 0.01%-0.2%; Surplus is zinc and inevitable impurity, and impurity≤0.4%.
Further preferably, its mass percent consists of: copper is 61%-65%, lead is 0.1%-0.5%, tin is 0.1%-0.5%, iron is 0.1%-0.3%, nickel is 0.1%-0.6%, aluminium is 0.1%-0.5%, arsenic is 0.05%-0.2%; Surplus is zinc and inevitable impurity, and impurity≤0.4%.
Further preferably, its mass percent consists of: copper is 61%, lead is 0.1%, tin is 0.1%, iron is 0.1%, nickel is 0.1%, aluminium is 0.1%, arsenic is 0.05%; Surplus is zinc and inevitable impurity, and impurity≤0.4%.
Further preferably, its mass percent consists of: copper is 63%, lead is 0.2%, tin is 0.2%, iron is 0.2%, nickel is 0.3%, aluminium is 0.2%, arsenic is 0.08%; Surplus is zinc and inevitable impurity, and impurity≤0.4%.
Further preferably, its mass percent consists of: copper is 65%, lead is 0.5%, tin is 0.5%, iron is 0.3%, nickel is 0.6%, aluminium is 0.5%, arsenic is 0.1%; Surplus is zinc and inevitable impurity, and impurity≤0.4%.
Beneficial effect of the present invention: the Pb-free copper-alloy material that the present invention obtains, mechanical property: tensile strength 330-400MPa, hardness (HV30): 80-110, unit elongation: 35-45%; Processing performance: thermoforming performance 95%, cutting ability 85%; Chemical property: anti dezincification character energy: copper rod is longitudinal most great ≤200um laterally.
This Pb-free copper-alloy material environment friendly and healthy and safe coefficient is high, is particularly suitable for valve in potable water system, pipe fitting and various spare and accessory parts thereof and produces.
Embodiment
Below in conjunction with embodiment, the invention will be further described.
Embodiment 1
A kind of Pb-free copper-alloy material, its mass percent consists of: copper is 61%, lead is 0.1%, tin is 0.1%, iron is 0.1%, nickel is 0.1%, aluminium is 0.1%, arsenic is 0.05%; Surplus is zinc and inevitable impurity, and impurity≤0.4%.
According to the Pb-free copper-alloy that above-mentioned mass percent is made, mechanical property: tensile strength 330-400MPa, hardness (HV30): 80-110, unit elongation: 35-45%; Processing performance: thermoforming performance 95%, cutting ability 85%; Chemical property: anti dezincification character energy: copper rod is longitudinal most great ≤200um laterally.
This Pb-free copper-alloy material affect the negative composition of material property containing Bi, Si, Sb, Ti etc., environmental protection and healthy and safe coefficient is high, is particularly suitable for the production of valve in potable water system, pipe fitting and various spare and accessory parts thereof.
Embodiment 2
A kind of Pb-free copper-alloy material, its mass percent consists of: copper is 63%, lead is 0.2%, tin is 0.2%, iron is 0.2%, nickel is 0.3%, aluminium is 0.2%, arsenic is 0.08%; Surplus is zinc and inevitable impurity, and impurity≤0.4%.
According to the Pb-free copper-alloy that above-mentioned mass percent is made, mechanical property: tensile strength 330-400MPa, hardness (HV30): 80-110, unit elongation: 35-45%; Processing performance: thermoforming performance 95%, cutting ability 85%; Chemical property: anti dezincification character energy: copper rod is longitudinal most great ≤200um laterally.
This Pb-free copper-alloy material affect the negative composition of material property containing Bi, Si, Sb, Ti etc., environmental protection and healthy and safe coefficient is high, is particularly suitable for the production of valve in potable water system, pipe fitting and various spare and accessory parts thereof.
Embodiment 3
A kind of Pb-free copper-alloy material, its mass percent consists of: copper is 65%, lead is 0.5%, tin is 0.5%, iron is 0.3%, nickel is 0.6%, aluminium is 0.5%, arsenic is 0.1%; Surplus is zinc and inevitable impurity, and impurity≤0.4%.
According to the Pb-free copper-alloy that above-mentioned mass percent is made, mechanical property: tensile strength 330-400MPa, hardness (HV30): 80-110, unit elongation: 35-45%; Processing performance: thermoforming performance 95%, cutting ability 85%; Chemical property: anti dezincification character energy: copper rod is longitudinal most great ≤200um laterally.
This Pb-free copper-alloy material affect the negative composition of material property containing Bi, Si, Sb, Ti etc., environmental protection and healthy and safe coefficient is high, is particularly suitable for the production of valve in potable water system, pipe fitting and various spare and accessory parts thereof.
Claims (4)
1. a Pb-free copper-alloy material, it is characterized in that, its mass percent consists of: copper is 61%-65%, lead is 0.1%-0.5%, tin is 0.1%-0.5%, iron is 0.1%-0.3%, nickel is 0.1%-0.6%, aluminium is 0.1%-0.5%, arsenic is 0.05%-0.2%; Surplus is zinc and inevitable impurity, and impurity≤0.4%.
2. a kind of Pb-free copper-alloy material according to claim 1, it is characterized in that, its mass percent consists of: copper is 61%, lead is 0.1%, tin is 0.1%, iron is 0.1%, nickel is 0.1%, aluminium is 0.1%, arsenic is 0.05%; Surplus is zinc and inevitable impurity, and impurity≤0.4%.
3. a kind of Pb-free copper-alloy material according to claim 1, it is characterized in that, its mass percent consists of: copper is 63%, lead is 0.2%, tin is 0.2%, iron is 0.2%, nickel is 0.3%, aluminium is 0.2%, arsenic is 0.08%; Surplus is zinc and inevitable impurity, and impurity≤0.4%.
4. a kind of Pb-free copper-alloy material according to claim 1, it is characterized in that, its mass percent consists of: copper is 65%, lead is 0.5%, tin is 0.5%, iron is 0.3%, nickel is 0.6%, aluminium is 0.5%, arsenic is 0.1%; Surplus is zinc and inevitable impurity, and impurity≤0.4%.
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| CN201310353689.1A CN103469004B (en) | 2013-08-14 | 2013-08-14 | A kind of Pb-free copper-alloy material |
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| CN201310353689.1A CN103469004B (en) | 2013-08-14 | 2013-08-14 | A kind of Pb-free copper-alloy material |
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| CN103469004B true CN103469004B (en) | 2015-12-02 |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104032176B (en) | 2014-06-23 | 2015-03-11 | 江西鸥迪铜业有限公司 | Low-lead brass alloy |
| EP3050983B1 (en) * | 2015-01-28 | 2019-03-13 | Toto Ltd. | Brass having improved castability and corrosion resistance |
| CN105543548A (en) * | 2015-12-22 | 2016-05-04 | 路达(厦门)工业有限公司 | Low-cost unleaded anti-dezincification brass alloy used for casting |
| CN108265195B (en) * | 2017-12-22 | 2019-09-06 | 宁波金田铜业(集团)股份有限公司 | A kind of deep-draw alpha brass and preparation method thereof |
| CN109468488A (en) * | 2018-12-24 | 2019-03-15 | 广州海鸥住宅工业股份有限公司 | Low lead Anti-dezincificationyellow yellow brass alloy and preparation method thereof |
| CN109666819B (en) * | 2019-01-24 | 2020-09-22 | 浙江高澳卫浴有限公司 | Valve core assembly made of lead-free dezincification-resistant copper alloy material |
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| EP1439238A1 (en) * | 2003-01-16 | 2004-07-21 | REHAU AG + Co | Corrosion resistant brass alloy for parts suitable for use in drinking water service |
| CN101225487A (en) * | 2008-01-15 | 2008-07-23 | 胡旭红 | Arsenic-containing low-lead brass alloy |
| CN101331241A (en) * | 2005-12-13 | 2008-12-24 | 迪尔金属合作两合公司 | Copper-zinc alloy and synchronizing ring produced therefrom |
| CN101638736A (en) * | 2009-08-14 | 2010-02-03 | 卓美香 | Lead-free copper alloy with limited Al and preparation method thereof |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6086231A (en) * | 1983-10-14 | 1985-05-15 | Nippon Mining Co Ltd | High-strength conductive copper alloy |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1439238A1 (en) * | 2003-01-16 | 2004-07-21 | REHAU AG + Co | Corrosion resistant brass alloy for parts suitable for use in drinking water service |
| CN101331241A (en) * | 2005-12-13 | 2008-12-24 | 迪尔金属合作两合公司 | Copper-zinc alloy and synchronizing ring produced therefrom |
| CN101225487A (en) * | 2008-01-15 | 2008-07-23 | 胡旭红 | Arsenic-containing low-lead brass alloy |
| CN101638736A (en) * | 2009-08-14 | 2010-02-03 | 卓美香 | Lead-free copper alloy with limited Al and preparation method thereof |
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Effective date of registration: 20200410 Address after: 317600 Industrial Agglomeration Area of Qinggang Town, Yuhuan City, Taizhou City, Zhejiang Province Patentee after: Zhejiang Yonghe Intelligent Control Technology Co., Ltd Address before: Taizhou City, Zhejiang province 317606 Yuhuan County town industrial area Patentee before: YORHE FLUID INTELLIGENT CONTROL Co.,Ltd. |