HOT IMMERSION GALVANIZING

Here at PROMESA we have hot immersion galvanizing services, where we can galvanize pieces from up to 12m by double immersion. We work by the international standards of ASTM-A123 and ASTM-153 and according to the valid mexican norm of galvanizing NMX-H-0004.

We dispose of a trustworthy supplier certificate issued from LAPEM

The hot immersion galvanizing is a process by which corrosion that attacks materials made from steel or iron is avoided, it is the top anti-corrosive protection for industrial work, civilian, commercial and urban structures.

OUR PROCESS:

1. DEGREASING

Parts undergo a degreasing process that uses alkaline solutions or degreasing agent that also removes dust and dirt.

2. PICKLING

On this stage oxides that may have formed are eliminated in order to obtain a chemically clean Surface. Generally, pickling uses either hydrochloric acid or sulfuric acid.

3. USE OF FLUX

This salt (Zinc chloride and ammonium) protects the parts from oxidation after pickling, the thickness of the covering is proportional to the immersion time.

4. GALVANIZING

This operation is carried out by immersing the piece in a molten zinc bath at a temperature of approximately 450ºC (the coating thickness is proportional to the immersion time).

5. INSPECTION

Parts undergo an inspection with the purpose of verifying that the specifications requested by the client are met (Covering thickness).

APPLICATIONS:

  • Cattle raising, agriculture and food processing.
  • Construction of building, bridges, etc.
  • Industrial furniture, commercial, urban and highway.
  • Manufacturing and automotive industry.
  • Generation, transmission and distribution of electricity.
  • Transport
  • Water treatment system
  • Petroleum, petrochemical and chemical industry in general.
  • Naval Industry

CONTACT US!

Share with us your lighting, communication or electrical project, if you require posts, structures, towers or galvanized products, we can surely support you.