T-PUT Union RV NI 1 description: Union RV Ni 1 is a seamless copper coated rutile basic flux cored wire for the welding of cryogenic steels in all positions with mixed gas M21 and C1 acc. to EN ISO 14175. The wire is characterised by a low spatter affinity, a fine bead appearance, a good slag detachability and x-ray proof joints. The weld metal furthermore disposes of excellent mechanical properties as welded and annealed. The Ni-alloyed weld metal (acc. to stickelectrode E8018-C3) allows the application at petrochemical constructions and offshore technics.