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Boro Room -- For Boro-related tips, techniques, and questions. |
2010-04-26, 10:21am
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Senior Member
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Join Date: Feb 24, 2006
Posts: 1,168
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brass rod mandrel?
can i use brass rod as a mandrel for boro?
with bead release. i was thinking if i ramp down all the way to room temp it would make it even with diff. cooling rates. i cant get the mandrel size i need in steel. i didnt want to have to order it, i got some rod at my local store
ro
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Gtt Mirage torch with tanked oxygen.
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2010-04-26, 10:24am
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old fart
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Join Date: Apr 18, 2006
Location: st paul mn
Posts: 778
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no brass would melt and it is a very good heat conductor unlike steel, so it would get very hot to hold. you can get steel in any diameter you want. what are your requirements and i will link you up?
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Mark Wilson
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2010-04-26, 12:43pm
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Senior Member
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Join Date: May 31, 2009
Posts: 368
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Youre also going to give yourself zinc poisoning. Its no fun.
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Melting boro with a National 3A and and two Devilbiss 5lpm 10psi concentrators.
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2010-04-26, 1:54pm
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Alaska Boro
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Join Date: Dec 10, 2009
Location: Anchorage, Alaska
Posts: 1,065
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Another issue is melting temperature. Brass 1660 - 1710 F and stainless 2750 F. Brass at a 1000 degrees less would not make for many successful beads, etc.
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2010-04-27, 7:38am
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Senior Member
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Join Date: Feb 24, 2006
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thanks all. i know i can order the size, i just was trying to pick it up local.
ro
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Gtt Mirage torch with tanked oxygen.
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2010-04-27, 8:11am
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Pyromaniac
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Join Date: Jun 27, 2006
Location: Out there on the interwebs
Posts: 1,784
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Small indy hardware stores often have wierd stuff. Worth a look. I went to one locally last weekend, they had stainless rod and tubing in some pretty large sizes.
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Chris Scala
Fortune Cookie say, "When things go wrong, don't go with them!"
Current Glass-Melting Apparatus:
GTT Lynx powered by 2 5 LPM Oxycons and
a sexy Barracuda running pure tanked Oxy
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