Cobalt 21 Wire

  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 % (Hardness Undiluted)
C Mn Si Cr Ni Mo Fe W Co
0.3 0.7 0.5 27.4 2.4 5.4 1.8 0.10 BALANCE

 

Melting Data
Diameter Ampere shielding Burner tip distance Voltage
045.
1.2 mm
180-200 A 100% Ar 1 / 2-5 / 8.
13-16 mm
25-27 V

Application
Cobalt Alloy #21 (ERCCoCr-E) wire has excellent work hardenability, high-temperature, strength, and impact resistance. Type 21 is a good choice for valve trim and steam and fluid control valve bodies and seals. It bonds well to all weldable steels, including stainless steel.

Class: ERCCoCr-E

AWS: A5.21

Conforms to Certification: AWS A5.21               ASME SFA A5.21

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