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Hot Galvanized Highway Guardrail .pdf


Original filename: Hot Galvanized Highway Guardrail.pdf
Title: Hot Galvanized Highway Guardrail
Author: shiteng

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SHITENG Holding Co., Ltd.
http://www.stguardrail.com/

Hot Galvanized Highway Guardrail
Normally, hot dip galvanization is the present widespread application used in anti-corrosion for
zinc coating W-beams barriers. SHITENG hot galvanized highway guardrail are widely used for
expressway, Parking lot, Scenic area and countryside safety system. The surface is hot galvanized
and has the feature of anti-corrosion, anti-aging and durable. That's can last 10-25 years in
outdoor. Hot galvanizing is also known as hot-dip zinc and hot dip galvanizing, which is an
effective method for metal rust-proof. The principle of hot galvanizing is removing the rust on
the steel surface and then bathed the steel into the 500℃hot zinc liquid, make the zinc over the
steel surface then get the purpose of corrosion.
A principle of hot dipped galvanized: galvanized iron to clean clean, then solvent treatment,
drying after immersed in liquid zinc, iron and zinc layer of molten zinc reaction produce an
alloying, the process for degreasing, washing, pickling, helps the plating - drying - hot dip
galvanized, separation, cooling passivation.

The advantage of Hot Galvanized Highway Guardrail:
1. Durable: in the suburbs, the standard hot-dip galvanized rust resistance can be kept for more
than 50 years without having to be repaired; In urban or offshore areas, the standard hot-dip
galvanized coatings can be kept for 20 years without having to be repaired;
2. Good reliability: the zinc coating and steel are metallurgical bonding, which is a part of the
steel surface, so the durability of the coating is more reliable.
3. The coating has a strong toughness: the zinc coating forms a special metallurgical structure,
which can withstand mechanical damage when transported and used.
4. Comprehensive protection:
every part of the plating can
be plated with zinc, which
can be fully protected even in
the depression, sharp
corners and hiding places.
5. The test is simple and
convenient: the hot-dip zinc
coating can be visualized and
simple non-destructive
coating thickness meter for
testing.

Email: manager@stguardrail.com

Tel:86 - 0771 - 3805848


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