Aweld > COBALT – BASED ELECTRODES FOR HARD SURFACING AND CLADDING
VI- COBALT-BASED ELECTRODES FOR HARD SURFACING AND CLADDING
ECoCr-C 
E20-UM-55-CSTZ  
C: 2.2   Si: 1.2 
Mn:1.0  Cr:30 
W: 12.5 Fe: 3 
Co: rem.
HRC. approx. 55
AC-weldable hardfacing electrode with an alloyed core and a recovery of 160%. 1 he deposit is a cobalt-based alloy of austenitic-ledeburitic structure with embedded CrW carbides. It is the hardest of the standard cobalt based alloys. The weld metal is highly resistant to corrosion, impact and abrasive wear as well as thermal shocks and heavy mechanical impact. Wear pads, rotary seal rings, pump sleeves, centreless grinder work rests.
ECoCr-A
E 20-UM-40-CTZ
C: 1.0 Si: 0.9
Mn: 1.0 Cr: 28
W: 4.5 Fe: 3
Co: rem.
HRC:approx. 42		AC-weldable hardfacing electrode with a rutile-basic coating and an alloyed core. The deposit is a cobalt-based alloy of austenitic-ledeburitic structure with embedded CrW carbides. The weld metal is highly resistant to corrosion, impact and abrasive wear as well as thermal shocks and heavy mechanical impact. Well suited for polishing and machining. Used on steam valves, hot shear blades. hot pressing dies, etc
ECoCr B
E 20-UM-50-CTZ
C: 1.4 Si: 0.9
Mn: 1.0 Cr: 28
W: 8.5 Fe: 3 Co: rem.
HRC: approx. 48
AC-weldable hardfacing electrode with an alloyed core and a recovery of 160%. The weld metal is highly resistant to corrosion, impact and abrasive wear as well as thermal shocks and heavy mechanical impact. Hardfacing of cutting edges, long knives and other tools used in the wood, plastic, paper. carpet and chemical Industries.
E20-UM-300-CKTZ
C: 0.3 Si: 0.9
Mn: 1.0 Cr: 28
Mo: 5.5 Ni: 3
Fe: 3
Co: rem.
HRC: approx. 30

It is a rutile-coated electrode which is AC weldable. The deposit is an extremely tough cobalt-based alloy with high corrosion-and heat-resistance The weld metal is highly resistant to impact and is work-hardening up to 45 HRC. It Is particularly recommended for use on all work pieces which are subjected to corrosion, impact wear and high temperatures or thermal shock

RCoCr-C
WSG 20-GO-55-CSTZ
HRC: approx. 55Bare cobalt-based rod for oxyacetylene and TIG welding.
RCoCr-A
WSG 20-GO-40-CTZ		HRC: approx. 42

Bare cobalt-based rod for oxyacetylene and TIG welding.

RCoCr-B
WSG 20-GO-50-CTZ		HRC: approx. 48Bare cobalt-based rod for oxyacetylene and TIG welding.
WSG 20-GO-300-CTZHRC: approx. 30Bare cobalt-based rod for oxyacetylene and TIG welding.
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