Hangzhou Zhihong Lightning Protection Technology Co., Ltd.

Copper-clad steel stranded wire, copper-plated steel stranded wire, copper-plated round steel, ion grounding electrode, copper-clad steel ground rod

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40x4 Zhang Ye Wuwei Jinchang Yinchuan Copper Flat Steel

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  • Hangzhou Zhihong Lightning Protection Technology Co., Ltd.
  • 38 yuan
  • 2016-09-27 19:44:31
  • Ningbo City
  • No. 1151 Zhaolong Road, Zhuangshi, Zhenhai District, Ningbo
  • 2902

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【a brief introdction】

Copper-plated flat steel has excellent performance and its service life is up to 40 years. The corrosion resistance of the installed copper of galvanized flat steel is more than ten times that of steel and more than three times that of galvanized steel. The corrosion resistance of copper-plated steel is close to that of pure copper, and the surface of copper will produce a highly adherent oxide (aqua green Cu (OH) 2), which has a good protective effect on the internal materials and blocks further corrosion form.

【Detailed description】

Zhangye Wuwei Jinchang Yinchuan Copper-plated Flat Steel

Copper-plated flat steel has excellent performance and its service life is up to 40 years. The corrosion resistance of the installed copper of galvanized flat steel is more than ten times that of steel and more than three times that of galvanized steel. The corrosion resistance of copper-plated steel is close to that of pure copper, and the surface of copper will produce a strong adhesion oxide (aqua green Cu (OH) 2), which has a good protective effect on the internal materials and blocks further corrosion. form.

Copper-plated steel is commonly used in grounding systems in European and American countries. The quality certification standard for this grounding material is UL467. Chapter 9 on page 11 of this standard clearly specifies that the thickness of grounding copper-plating materials must be greater than 0.25mm. Wire and copper-plated flat steel greater than 0.070mm of copper-plated material as the ground network can ensure that the ground network is maintenance-free for 40 years.
Finished product supply, convenient transportation and construction, and few welded joints. At present, hot-dip galvanized flat steel is often used in China. Because it cannot be supplied in coils, the standard factory length and transportation requirements are not more than 6 meters. Therefore, when the ground network is laid, the ground network joints are excessive, the performance is affected, and the cost increases. Copper-plated flat steel can be supplied in coils (the length of a single piece can exceed 100 meters). When the horizontal ground network is laid, there are fewer connection joints, and the pipe bending is convenient and simple.
Copper plated flat steel products have strong current conduction capabilities. At a temperature of 20C, the resistivity of copper is 17.24 × 10-6 (Ω • mm), and the resistivity of steel is 138 × 10-6 (Ω • mm). Assuming that the conductivity of copper is 1 (that is, 100%), the conductivity of angle steel and galvanized round steel is only 8.6%, the conductivity of copper-plated steel exceeds 20%, and the conductivity of copper-plated steel strands 30%. Under the action of high-frequency currents such as lightning currents, the copper-plated steel material will have a skin effect, and its conductivity is close to that of pure copper, which is much higher than that of steel grounding bodies. In addition, the relative permeability of copper to vacuum is 1, and steel is 636 times. When the lightning current or fault current is passed, the impedance of the copper conductor is much smaller than that of the steel ground body. Therefore, the side impact probability caused by the increase in ground potential caused by the impedance will be decrease very much.

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Address: Room 501-1, Gate 2, Building 2, No. 10 Liansheng Road, Wuchang Street, Yuhang District, Hangzhou
Postcode: 315201
Contact: Chen Ting
Message: Online message
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