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Electrogalvanizing，it is also known as cold galvanizing in the industry, which is a process of forming uniform, dense and well-combined metal or alloy deposition layer on the surface of the workpiece by electrolysis.
Compared with other metals, zinc is relatively cheap and easy to coat a metal, a low value corrosion resistance electroplating, is widely used to protect steel parts, especially against atmospheric corrosion, and used for decoration.
| The differences between hot dip galvanized and electrogalvanized. | |
| Theory | Hot dip galvanizing occurs when steel is dipped in liquid zinc. |
| Electrogalvanizing a galvanized layer is attached to the surface of the steel by an electrochemical method. | |
| Surface | Hot dip galvanized surface is rough, coating range 30-60㎛. |
| Electrogalvanizing has a smooth surface with a coating range of 5-30㎛. | |
| Usage | Hot dip galvanized is mostly used for outdoor facilities. |
| Electrogalvanizing is used in panel and other indoor steel. | |
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Conventional Parameters |
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Width |
500-3000 mm |
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Thickness |
0.2-4 mm |
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Grade |
SECC,SECD,SECE,Zn100-PT,Zn200-SC,Zn275-JY,SGCC,SGCD1,SGCD2,SGCD3,St01Z,St02Z,St03Z,St04Z, St05Z,etc. |
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Material |
Q195/Q215A/Q215B/Q235A/Q235B/Q295A/Q295B/Q345A/Q345B,st12,st13,st14,st15,st14-Tetc. |
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Zinc layer code |
Z40,Z80,Z100,180,200,275,350,450,600etc. |
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Payment term |
T/T (30% Deposit) |
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MOQ |
5Tons |
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Packing |
Standard Sea-worthy Packing |
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Standard |
EN,GB,ASTM,JIS,DIN,etc. |
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The specialty of electrogalvanizing |
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1 |
Good corrosion resistance, fine and uniform bonding, not easy to be corrosive gas or liquid into the interior. |
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2 |
Because the zinc layer is relatively pure, it is not easy to be corroded in acid or alkali environment. Long time effective protection of steel body. |
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3 |
Chromic acid passivation after forming a variety of colors to use, can be selected according to the customer's favorite, galvanized beautiful and generous, with decorative. |
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4 |
Zinc coating has good ductility, in all kinds of bending, handling impact will not easily fall off. |
