Frequently Asked Questions - Hubbell Galvanizing - It's Us or Rust! Serving the Northeast Since 1968

	What are the specifications governing hot-dip galvanized steel?

Structural steel (plate, wide-flange beams, angles, channels, pipe, tubing) are galvanized to ASTM A 123/A 123M. Fasteners and small parts that fit into a centrifuging basket are galvanized to ASTM A 153/A 153M. Reinforcing steel is galvanized to ASTM A 767/A 767M.

Q:	How large of a piece can we galvanize?

Q:	Can I paint right over the galvanized coating? If so, what procedure should be followed?

Q:	I'm interested in specifying hot-dip galvanizing for reinforcing steel. Are there any concerns with fabricating rebar after galvanizing?

Q:	What if the article to be galvanized is larger than the dimensions of the galvanizer's kettle? Can it still be galvanized?

Q:	Why do galvanized steel appearances differ from project to project and is there any difference in the corrosion protection offered by the different appearing coatings?

Q:	What causes wet storage stain and how can it be prevented?

Q:	How long can i expect my galvanized steel project to last in service?

Q:	What is "cold" galvanizing?

Q:	Are all zinc-coated systems the same as hot-dip galvanizing?

Q:	What type of corrosion protection does HDG provide?

Q:	Why is HDG superior to paint for corrosion protection?

Q:	How does the cost of hot-dip galvanizing compare to other corrosion protection systems, such as paints?

Q:	What are the specifications governing hot-dip galvanized steel?

Q:	What are the steps in the galvanizing process?

Q:	Why is zinc used in the hot-dip galvanizing process?

Q:	Why should a galvanized product be powder coated?

Q:	How does galvanizing protect steel from corrosion?

Q:	How does powder coat work?

Q:	What's a powder coat finish?

Q:	What is Hot-Dip Galvanizing (HDG)?

What are the specifications governing hot-dip galvanized steel?