Well if you are going to rust blue yourself, you will have to make an investment in some equiptment that is needed for doing the job. Mainly a Tank for boiling that is large enough for a set of barrels and a way to heat the water effectively. That is about it really.
Brownells sells Iron tanks for about $75.00 and Stainless tanks for about $150. When I bought mine, I went for stainless, because I knew iron would be an issue in the long run. Heating can be problematic. When I did trial runs heating the 4-5 gallon tank on my stove, across 3 burners, it took hours to bring the water up to a rolling boil. But, when I made up my 40" two row pipe burner pumbed to natural gas, I comes to a boil in about 30 mins. from cold. So, turning off the gas between boilings is not a big deal, because you can be back up to a boil in about 10 mins if the water is still hot.
I got my pipe burner setup for natural gas from brownells as well. It was about $170 and then I built an angle iron stand for the tank that the burner attaches right to with muffler clamps. I opted for Natural gas over propane, because I did not want to mess with tanks and I was able to tap right into my gas line for my furnace in my shop.
Propane gives you the most BTU output. You can make your own pipe burner for propane using an old grill buner and a pipe with holes drilled into it. But I found Brownells pipe burner kits to be a great value for a hassle free and pretty much ready to go setup.
And for solutions, go with Mark Lees Express Blue. It is very fast working and gives a nice dark black color. There is no long rusting times and having to let the barrels set and sweat in a box. I can do a set of barrels from start to finish in 4-5 hours with mark Lees. And that is with about 8-10 rusting/boiling cycles. You will find that a lot of production shops are likely using it too, because it works so fast.
And, finally, the result of most any bluing job is very dependant on the polishing and prep work. you must get good at polishing metal and draw filing if need be. That is where most of the work is in finishing a set of barrels.
There is nothing wrong with wanting to do your barrels yourself, but you will find that the money you will spend up front on tanks and heating setups will cost about the same as sending them out. So, if you have no intention in doing it again, you might want to re-think it.
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B. Dudley
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