[TheForge] cast iron welding

Fri Mar 19 21:05:03 2004

A very old dodge for welding small sections of cast iron is old piston 
rings.

Charles

John Chobrda wrote:

>     Ralph, I just asked for cast iron rod, (my understanding is it 
> must be used with cast iron flux) from what  I remember it was just 
> rods of cast iron, square not round. My old welding  instructor (whom 
> I keep in touch with) just repaired an old Parker vise for a friend of 
> mine. Preheat, TIG, using Inconel rod.
>
> Ralph Sproul wrote:
>
>>        John, What is the cast rod called for torch welding? is there 
>> a name
>> or alloy to it?
>>
>>        I wanted to experiment with the Tig as well.  What rods will work
>> with the Tig welder on cast iron?  anyone have any good input on this?
>>
>> Ralph
>> ----- Original Message -----
>> From: "John Chobrda" <[email protected]>
>> To: <[email protected]>
>> Sent: Friday, March 19, 2004 10:06 AM
>> Subject: Re: [TheForge] cast iron welding
>>
>>
>>  
>>
>>>    A while back I had to repair the water jacket on a vertical hit or
>>> miss engine. A large chunk had broken out from water freezing in the
>>> jacket. A fellow who restores cast iron stoves told me this method. I
>>> beveled the edges of the pieces, then heated the jacket till I could
>>> just see color. I gas welded the parts using a cast iron rod and cast
>>> iron flux, heated again until I saw color, then wrapped the part in
>>> kaowool to cool. The part came out great, and I got the rod and flux at
>>> a local dealer, cheaper that a whole new set up.
>>> John C.
>>>
>>> Kenny O. wrote:
>>>
>>>   
>>>
>>>> To-day I witnessed a demonstration on building up cast iron with a Ni
>>>> spray.A torch is the method of delivery. A bottle of Ni (nickel)was
>>>> screwed into this custom set-up.
>>>> 11# of acetylene 20# oxy.
>>>>
>>>>
>>>>
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>>
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