Model Boat Mayhem

Mess Deck: General Section => Chit-Chat => Topic started by: hopeitfloats on October 01, 2010, 08:56:10 am

Title: oxy/LPG welding
Post by: hopeitfloats on October 01, 2010, 08:56:10 am

does anyone here use these gases for soldering/silversoldering. just a query or two about it. can you use acetylene regulator for it and i have read that you have to countersink the welding tip before use. is that true.   {:-{ {:-{

Title: Re: oxy/LPG welding
Post by: nemesis on October 04, 2010, 08:58:58 pm

Hi, I use propane & oxy for silver brazing & small stuff welding. Use a propane gauge, mine is ruby red in colour.
 Do not get mixed up between silver solder ( which is Hall Markable) and silver brazing ( which is not ).
                                           Nemesis

Title: Re: oxy/LPG welding
Post by: nemesis on October 04, 2010, 09:05:21 pm

Hi again, In welding it is the norm to prep the edges to form a V and you always fill the root of the V first before filling in rest of the prep.  Nemesis

Title: Re: oxy/LPG welding
Post by: oldiron on October 04, 2010, 09:24:54 pm

 Yup, I've used propane through my acetylene torch, with oxygen for silver soldering boilers. Works very well. Lot cleaner than acetylene.

John

Title: Re: oxy/LPG welding
Post by: hopeitfloats on October 08, 2010, 08:25:55 am

thanks guys. since i  posted i have got the lpg set up working. i read via google that you had to countersink the welding tip but i did that to one and didnt appear to make any difference. job done with standard tip.