Rods.

Tubs of ittrated tungsten brand SVI-1b TU 48-19-221-83

Designed for welding active metals in The protective atmosphere of argon and helium.

Mark SVI-1

Size 1.5-12m n

Chemical composition

Determined impurities, no more than:           

Tubs of diameters from 2.0 mm to 6.0 mm are supplied polished.

No traces are allowed on the surface of the bars Graphite lubrication, scale residues, burrs, grinding cracks and risks. Scratches and prints that do not bring the diameter of the rods beyond the permissible limits Deviations are not marriage grounds.

Tiles with a dimeter of 8.0 mm and 10.0 mm are supplied unpolished. No cracks or tears are allowed on the surface of the rods. Prints and residues scalings that do not remove the diameter of the rods beyond the limits of permissible deviations, and oxide film is not a sign of marriage.

On the side of the ends of the rod are allowed burrows and traces and traces of oxide film on the surface. Tubs should not have internal stratifications and cracks.

The rods must be straight. Deviation from straightness of bars with a diameter from 2.0 mm to 6.0 mm should not be more than 0.1 mm n for a rod length of 120 mm, and for rods with a diameter of 8.0 mm and 10.0 mm - no more than 1 mm by 200mm long.