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ICUNI 30 239
Unitor ICUNI 30 329 is a TIG welding rod for welding of copper nickel alloys, like, for example, Cunifer pipes. For TIG welding DC negative polarity is used in combination with a thorium alloyed electrode. No flux is used in this process. Pure argon must be used as shielding gas.
Typical applications
Thoroughly clean the welding and adjacent area with a stainless steel brush or emery paper before commencing welding. If practically possible use backing gas inside pipe to further improve the result. Typical applications are welding flanges on pipes, pipe joints, patching leaking pipes, etc. Joint surfaces and adjacent areas must be thoroughly cleaned with a stainless steel brush or emery paper before welding begins. If practically possible, use backing gas.
Small diameter Cunifer pipes can be joined by means of overlap joints (capillary action) using Unitor AG-60 silver brazing rod combined with AG-60/45 Flux 252 PF. Larger pipe diameters are usually TIG welded with Unitor ICUNI 30.
3.02
Permanently installed pipe. Horizontal axis.
Whenever possible, welding should take place in the workshop so that, as far as possible, beads can be laid in the horizontal position.
Permanently installed pipe. Vertical axis.
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