Hot Dip Galvanizing: Difference between revisions
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*[http://www.a1alloys.net/products/zinc/] | *[http://www.a1alloys.net/products/zinc/] | ||
*Carter Alloys, 2" zinc balls [https://www.carteralloys.com/zinc.html] | *Carter Alloys, 2" zinc balls [https://www.carteralloys.com/zinc.html] | ||
*ACI - [https://www.acialloys.com/] | |||
*Ney - [http://www.neymetals.com/product/zinc-alloys/] | |||
=Links= | =Links= | ||
*[[Powder Coat vs Hot Dip Galvanized]] | *[[Powder Coat vs Hot Dip Galvanized]] | ||
*[[Hot Dip Galvanizing Quotes]] | *[[Hot Dip Galvanizing Quotes]] | ||
Revision as of 21:58, 11 February 2021
Howto
- Sand blast
- Base bath - 10 minutes min
- Base bath - 7 minutes min
- Flux - ammonium
- Actual dip - 3.5 minutes (until base metal reaches melt temp of 835F)
- Water - trapped water explodes, and is dangerous, so first dip is dangerous and venting must be assured.
- Zinc - 2400 lb blocks are the feedstock for hot dip baths. This is only 0.1 cubic meter - or 4 cubic feet.
https://www.aisc.org/globalassets/modern-steel/archives/2014/08/2014v08_galvanizing.pdf
More about surface preparation: [1]
Sourcing
- Acid -
- Base - KOH pr NaOH for grease - [2], NaOH doesn't require hot water.
- Ammonium chloride - $2/lb [3]