Difficult to Weld Steel and Hard Facing Electrodes

STAR SUPER TENSILE

STAR SUPER TENSILE is a specially designed, high strength austenitic type electrode for welding of steel types which are difficult to weld, E.G: spring steel, carbon steel, vanadium steel, high speed steel, tool steel and manganese steel. Typical applications are main engine rocker arms and push rods, pump shaft gear wheels, etc.

The electrode can be used for overlaying (build up) as well as joining. High resistance to cracking coupled with good wear, heat, impact and corrosion resistance. An excellent electrode to use as primary buffer layer when building up parts before final using hard surface electrodes. The STAR SUPER TENSILE is a problem-solving electrode that no workshop should be without.

Classification: AWS A5.4 E312-17

Type of current: AC, DC +

STAR STELL-21

Cobalt based electrode designed on a fully alloyed core wire to combat all four elements of wear, i.e., heat, impact, corrosion and abrasion. Most suitable of cobalt range electrodes where impact is the most predominant of the four elements of wear. Excellent for rebuilding exhaust valves in combustion engines, steam valves, piston rings, pump and valve part seats. Has the ability to overlay extensive areas without cracking and with little dilution with the base material. Will retain hardness at high temperatures. The welds are machinable.

Classification: AWS A5.13 ECoCr-E (Grade 21)

Type of current: AC, DC +

STAR HF600

The STAR HF600 hard facing electrode is designed to deposit wear resistant overlays on all ferrous metals where high resistance to impact and abrasion is required. The electrode is all positional with a metal recovery rate of 110%. The welds are non-machinable in the as welded state but can be softened by heat treatment at temperatures of 720 –750°C. After machining the welds can be re-hardened by oil or water quenching, typical hardness value on a single pass is 56HRC, multi-pass 60HRC.

Classification: No national or international specification.

Type of current: AC, DC +

STAR HF900

The Star HF900 hard facing electrode is designed for applications on ferrous metals involving friction and severe abrasion, also where certain heat and corrosive conditions apply. The electrode is of the rutile chromium carbide all positional type and has a metal recovery rate of 150%. Typical hardness value on a single pass is 62HRC, multi-pass 65HRC.

Classification: No national or international specification.

Type of current: AC, DC +

STAR IMPACT

Tough, high strength electrode with produces a stainless deposit with excellent resistance against heavy impact, friction, corrosion and heat. Easy to use in all positions, producing sound welds good build up characteristics and good slag detachability. In 4mm size the recovery rate is 170%. The weld deposit is fully machinable and it will harden under impact and retain properties at high temperatures. Hardness as welded 220 Brinell. Work hardness to 350 Brinell.

Areas of application: Anchor winch wheels and guides, windlasses, drums and rollers, cranes, track wheels and sprocket wheels. Also used for joining Cr Mo steel, T1 steel, Manganese steel, N-A-Xtra steel, HARDOX steel and joining and fastening of wear plates, fine grain steel and shear blades. May be used for welding manganese steel rails or similar applications involving friction, impact or corrosion.

Classification:

3.2mm – AWS A5.4 E307-16 Type 20.10.4Mn

4.0mm – AWS A5.4 E307-26

Type of current: AC, DC+