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Brass material for water heating equipment

A technology of equipment and brass, which is applied in the field of brass materials for plumbing equipment, can solve problems such as environmental pollution, poor cutting performance and corrosion resistance, and endangering human health.

Pending Publication Date: 2021-10-15
黄山市龙跃铜业有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, Pb is a toxic element that will cause environmental pollution during its production, processing and use.
Especially when lead brass is used in products in contact with water environment, Pb will be precipitated and dissolved in water in the form of ions, which will greatly endanger human health
At present, a lot of research work has been done on the lead-free brass at home and abroad, but both the cutting performance and the corrosion resistance are not very ideal, which limits its application in plumbing equipment.

Method used

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  • Brass material for water heating equipment

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0029] Brass plumbing equipment one kind of material, which composition comprises in percentage by mass: Cu: 62%, Si: 0.81%, Bi: 0.37%, Al: 0.18%, Mn: 0.12%, Ce + Nd + Os: 0.05% , B: 0.0045%, Sn + Ni + Co: 2.15%, Mg: 0.48%, Sb: 0.05%, P: 0.04%, the balance being zinc and unavoidable impurities.

Embodiment 2

[0031] Brass plumbing equipment one kind of material, which composition comprises in percentage by mass: Cu: 63.5%, Si: 0.27%, Bi: 0.41%, Al: 0.11%, Mn: 0.21%, Ce: 0.01%, Nd: 0.01 %, Os: 0.005%, B: 0.004%, Sn: 0.9%, Ni: 0.28%, Co: 0.03%, Mg: 0.42%, Sb: 0.08%, P: 0.03%, the balance being zinc and unavoidable impurities .

Embodiment 3

[0033] Brass plumbing equipment one kind of material, which composition comprises in percentage by mass: Cu: 63.5%, Si: 0.57%, Bi: 0.35%, Al: 0.16%, Mn: 0.21%, Ce: 0.005%, Nd: 0.0175 %, Os: 0.007%, B: 0.005%, Sn: 0.91%, Ni: 0.368%, Co: 0.026%, Mg: 0.9%, Sb: 0.08%, P: 0.057%, the remainder being zinc and unavoidable impurities .

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PUM

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Abstract

The invention discloses a brass material for water heating equipment. The brass material comprises the following components in percentage by mass of 62-63.5% of Cu, 0.27-0.81% of Si, 0.35-0.41% of Bi, 0.11-0.19% of Al, 0.12-0.21% of Mn, 0.025-0.06% of Ce+Nd+Os, 0.004-0.005% of B, 1.21-2.15% of Sn+Ni+Co, 0.42-0.9% of Mg, 0.05-0.08% of Sb, 0.03-0.057% of P and the balance of zinc and inevitable impurities. The brass material for the water heating equipment is easy to cut, high in strength and excellent in corrosion resistance.

Description

Technical field [0001] The present invention relates to the technical field of brass material, in particular brass plumbing equipment, to a material. Background technique [0002] Brass is the copper-zinc alloy, zinc is the main element of the copper-based alloy, depending on the composition of the alloying elements, generally divided into two general categories special brass and brass. Since brass having excellent mechanical properties, corrosion resistance, formability and castability, and has high thermal conductivity properties, which is widely used in various fields within the industry, one of the most widely used alloys. [0003] Typically, brass need about 3wt% of Pb is added to improve the cutting performance. However, Pb belong to toxic elements in their production, processing and use of the process will cause environmental pollution. Especially when leaded brass products in contact with water for the environment, Pb ion in the form of precipitation will dissolve in wate...

Claims

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Application Information

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IPC IPC(8): C22C9/04
CPCC22C9/04
Inventor 金义泉
Owner 黄山市龙跃铜业有限公司
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