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westwoodtoys t1_ivp3l7f wrote

Reply to comment by Tarashank in Deck post cut too short by [deleted]

If you go with steel, try to match the types of steel if there is metal to metal contact. I would guess the bracket would be zinc plated or galvanized. Otherwise you will be setting up a galvanic cell whenever it gets rainy or humid, which will accelerate corrosion.

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bagel_maker974 t1_ivpa3mh wrote

isnt galvanizing just a hot dip into a zinc bath?

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EngineersFTW t1_ivpawbx wrote

Galvanizing is. But galvanic corrosion occurs when dissimilar metals come into contact. The zinc will corrode first in such circumstances, but it's better to avoid the situation in the first place.

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MgrCroquettes t1_ivpbf6m wrote

There are 2 method Hot dip galvanized is dipped into a hot bath if zinc making a good rust protection (dull grey)

Zinc plating is a thinner zinc coated applied using an electric current (shiny silver) and is less effective and les durable than hot dip.

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