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Heat Treating and Metallurgy Discussion of heat treatment and metallurgy in knife making. |
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#1
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Black Iron Pipe specs
Anybody have the metallurgy specs for common black iron plumbing pipe?
__________________ Chuck Burrows Hand Crafted Leather & Frontier Knives dba Wild Rose Trading Co Durango, CO chuck@wrtcleather.com www.wrtcleather.com The beautiful sheaths created for storing the knife elevate the knife one step higher. It celebrates the knife it houses. |
#2
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I can't speak for older material, but I have several pieces of new pipe in the shop that I use for various items, and it has "A-36 Hot roll" printed/inked on it. The stuff I have was purchased at a local plumbing specialty shop and ranges in size from 1/2" to 2 1/2" OD.
__________________ WWW.CAFFREYKNIVES.NET Caffreyknives@gmail.com "Every CHOICE has a CONSEQUENCE, and all your CONSEQUENCES are a result of your CHOICES." |
#3
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I don't know for sure what it is, but I use it to make the bowls on my pipe hawks. It doesn't seem to like to forge-weld to itself or anything else. I attach with a threaded stud and safety-silv #56 hard silver solder. I guess it is something like A-36, since it is the same color as and takes patinas the same as the hawk bodies, which I know are A-36. The pipe tends to be more prone to rolling mill flaws, cold shuts, and lamination problems in my experience. If ordinary HR A-36 is crap, the black pipe version is bottom of the barrel . It does, however, look good on a pipe hawk, since the striations resemble slag lines in wrought iron .
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