GALVANIZING PROCESS

RECEIVING MATERIALS

Receiving materials from customer and segregating it for production

receiving_materials

SHOT BLASTING

Segregated materials are inspected and the surface cleaned if required by steel shots as abrasive

Shot_blasting

JIGGING

Cleaned materials are loaded to the jigs

white

PRETREATMENT

Materials are immersed in degreasing solution, Hydrochloric Acid, Rinsing Tanks and fluxing tanks for proper surface cleaning before galvanizing. MEG has two degreasing tanks, six acid tanks, two rinsing tanks and one fluxing tank.

white

DRYING OVEN

All pretreated materials are kept in the drying oven for sufficient time at 100-120º C for removing moisture content. if moist materials are dipped it may lead to explosion.

red1

GALVANISING

Materials are dipped in molten zinc bath at temperature 450-460º C. Lead free galvanizing is being introduced for the first time in Qatar.

yellow

QUENCHING

Galvanised materials are immearsed in cold water for quick removal of heat.

geen

PASSIVATION

Materials are immearsed in passivation solution for preventing the formation of white rust.

passivation

MATERIAL OFFLOADING

Materials are offloaded from the jigs and quality inspected

ofloading

DELIVERY

Materials are delivered to customers against their delivery note

delivery
Scroll to Top