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Galvatec | Fabrication & Galvanizing Technologies

Vent/ Drain Holes

When immersing welded round, square, and rectangular hollow structural sections (HSS) with closed ends in molten zinc, there must be holes somewhere near both ends to allow air to escape out the top and molten zinc to enter in the bottom. Otherwise, the air pressure doesn’t allow the zinc to flow throughout the inside of the piece, and consequently no zinc coating forms on the inside where most corrosion begins.

Galvanizing Technologies Co. Ltd

We work hard at GALVATEC to meet your scheduling requirements. Each job is scheduled based as and when the material is received for works. Each job is scheduled based on when the meterial is received at works.

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