Cobalt 21 Electrode

  Nominal Chemistry AWS SPECIFICATION
  C Mn Si Cr Ni Mo Fe W Co
Min 0.15 2.0 1.5 25.0 1.5 4.5 3.0   BA  
Max 0.40 max Max 30.0 4.0 7.0 MAX   BAL  

 

Deposited Chemical Composition WELDMETAL UNDILUTED
  C Mn Si Cr Ni Mo Fe W Co
0.25 0.7 1.1 28.0 3.0 5.5 2.2   BAL

 

HARDNESS UNDILUTED:
TYPICAL 31 HRC

HARDFACING PROCESSES:
GTAW PLASMA OXYFUEL GAS

DIAMETER RODS AVAILABLE:
2.5MM  I  3.2MM  I  4.0MM  I  4.8MM  I  5.0MM  I  6.4MM 8MM

APPLICATION: 
Cobalt 21 Electrode: This alloy has excellent strength and ductility at temperatures up to 1600°F (871°C). Its deposits are resistant to thermal shock, oxidizing, and reducing atmospheres. It is a solid-solution-strengthened alloy with a relatively low weight-percent carbide phase in the microstructure. Deposits possess excellent self-mated galling resistance and also are very resistant to cavitation erosion. This product’s typical applications include guide rolls, hot extrusion and forging dies, hot shear blades, tong bits, and valve trim.

Class: ECoCr-E

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