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Step 1: Preparation

As the steel products arrive at our plant, they are inspected for drainage and venting requirements. In the staging area, an efficient handling method is chosen to transport the material through the initial cleaning process.


Step 2: Cleaning

The material is cleaned in three steps:

  • Total immersion in a hot alkali solution to remove organic compounds.

  • Acid pickling removes rust or scale

  • Fluxing eliminates oxides from the surface of the steel and promotes the proper metallurgical bonding of the zinc in the next step.


Step 3: Hot Dip Galvanizing

The steel is totally submerged in a bath of molten zinc until it reaches bath temperature (approximately 840° F, 449° C) at which time zinc reacts with the steel to form zinc/iron intermetalic layers on all surfaces, inside and out.


Step 4: Quality Inspection

The galvanized steel product is cleaned, weighed and then thoroughly inspected for coating thickness, appearance and compliance with applicable ASTM specifications. Calibrated instrumentation insures efficient inspection.

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