[Jewelry making - Article 00061] - Re: [Orchid] Soldering without using Oxygen

[Geo. Stanford]

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    If you're a jewelry learner like me you need oxygen and a decent
    small torch like the Little Torch. I tried  to make do with cheaper
    combos and propane/air for a couple of years of burnt up projects but
    the right equipment saves time and money in the long run. 

    With over 18 years experiance welding and torch cutting steel I am
    comfortable with acetylene, but it is completely unforgiving and
    explosive in all proportions to air or oxygen. The school where I take
    night classes uses  propane/oxygen and there is only mild degradation
    in heating performance. Whichever gas is chosen it is best to buy
    antibackflash safety valves for the tanks. These cost about $65 per
    pair and are worth every penny. 

    Oxygen cost is about the same for one of those hardware store 1 cubic
    foot oxygen tanks as for a fill for a customer owned 80 cubic foot
    tank. The tank itself costs about $100, which is a pretty good deal
    considering how much is saved in the long run. Unless a person welds,
    casts or makes glass lampwork, they might just need a 20 cubic foot
    tank which costs about the same, still a whole lot less than the same
    amount of oxygen from hardware store tanks. 

    Regardless of setup I would suggest shopping around until one finds a
    welding gas and equipment store where the customer service desk is
    friendly and talkative. Then ask for professional help in setting up
    and testing for leaks. There is a wide range of attitudes and one
    doesn't want to do business with a company uninterested in them as a
    customer.  Geo.  

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