Forge welding Brass? | Problem Solving | Forum

Interesting question. I wish Phil Baldwin was on here, he knows a lot about that sort of stuff. Hey Ries! Get Phil on here.

What I "think" I know and what I don't know: Copper metals are pressure welded by clamping and heating to the "right" temperature. Does that mean brass can be hammer welded? My experience would lead me to believe it cannot. At the right temperature for "solid state" bonding, brass has very little integrity - it falls apart. I think this is why it is bonded in the above manner. Undisturbed, it can be raised to a temperature very close to melting, but almost anything will cause it to fall apart at that temperature.

Guess you could melt it!

I recently forged a bunch of brass, several different alloys. Much of it ended up crumbling it was VERY temperature sensitive. I used my press rather than the hammer because the slower movement made a big difference in whether it ruptured or not, even with the same reduction in section the press worked where the hammer did not. I ended up going directly to a swage rather than roughing down and then swaging as the containment seemed to help prevent the crumbling. I ended up getting what the customer wanted but it was a long frustrating day.

Hello Newman, (I did that in my best Jerry Seinfeld voice, I hope you were impressed)
Back when I first started working lead was used as filler in autobody repair. It is worked much the same way, it will press together at the proper heat, like many materials it melts* under pressure and when near its liquid temperature it takes little pressure to take it there. Keeping it in shape is the hardest part as the edges seem to want to press out and break. I’m impressed you were able to work it out, that must have been frustrating.
Bob
*Edit ( I just reread this, I misspoke, pressure lowers the melting point, it does not directly melt anything.)

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jameson4170 said
Before buying any welding tools, have a look at the profile virtual shops to check for product features and compare prices. You'll be surprised to see what a rich offer of products you can find online, at prices that range from low and moderate to incredibly high. Besides the catalogs, many companies also offer consultancy to interested clients; there are presentations of the welding tools, and for each of them you may ask for further details. In case price is not a problem, and you're only after quality, it is good to choose the companies with a longer experience in the welding tools business.  

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