Need to black oxide large hot rolled steel

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I have ten large ornamental wall sculptures that range in sizes:
approx. 3'5" x 4'5" and 4'5"x6'
made with 1/4"x1/2" flat bar
hot rolled steel

Six of the large ornamental wall sculptures can be viewed on the internet at
www.goodhuevos.com/newsite
Click on Gallery, then Iron Doodles to see them.

I live in Northern California and have not been successful in finding a shop who has big enough tanks to handle my pieces.

Isis Rodriguez
Professional Artist - San Francisco, CA, USA

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