WT-12 Bare Cast Rod (OAW, GTAW/TIG)

Cobalt • AWS A5.21 ERCoCr-B

Key Features

  • Cobalt, very high chromium, high carbon, high tungsten
  • High resistance to corrosion and galling at elevated temperatures
  • Maintains hardness up to 1300ºF (700ºC)
  • Intermediate alloy between WT-1 and WT-6
  • These key features are universal to all WT-12 product forms


Typical Applications

  • Chain Saw Bars
  • Saw Teeth
  • Extrusion Dies

Welding Processes

  • Gas Tungsten Arc Welding
  • Oxyfuel Welding

Welding Positions

  • All
DiameterPart NumberRod LengthUnit of Measure
mmInTube915 mm (36 In)5 kg (11.02 lb)
2.43/32B1120-240X915All part numbers shown will
ship in 915 mm (36 in) length

*Additional lengths available upon request
and lead times may vary.
Weartech product is price

*Please contact our Customer Care team
to verify conversion rates.
Deposit Composition(1)
Requirements %C%Mn%Si %Cr %Ni%Fe%Mo%W%CoHardness, Rc
AWS A5.21 ERCoCr-B01.2-1.71.0 max2.0 max26-323.0 max3.0 max1.0 max7.0-9.5BalanceNot Required
Typical Results1.40.11.429.
Typical Operating Procedures 
PolarityCurrent (Amps)
3.2 mm (1/8 in)