• Advanced welding consumables for a range of applications

    STELLOY 21-O
STELLOY 21-O

STELLOY 21-O

Cobalt based Cored wire for self shielded metal arc hardfacing

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Technical information

Product Details

  • Alloy Type: Cobalt Based Alloys
  • Hardness: 33 HRC (As welded, 3-layers), 47 HRC (Work hardened)
  • Cracks: No
  • Machinable: Yes
  • Multi-layer: Yes
  • AWS Classification(s): ASME IIC SFA 5.21 / AWS A 5.21: ERCCoCr-E
  • EN ISO Classification(s): EN 14700: T Co1
  • Welding Process(es): FCAW-S

Features:

  • Co-Cr-Ni-Mo alloy deposit
  • Excellent metal-metal wear resistance combined with good corrosion resistance

Wear type suitability:

Abrasion:
Impact:
Metal-Metal:
Corrosion:
Temperature:

Welding Positions:

Welding products and techniques evolve constantly. All descriptions, illustrations and properties given on this site are subject to change without notice and can only be considered as suitable for general guidance. This information is intended to help the user make the correct choice of product but it is the responsibility of the user to assess the suitability for their intended application. Information may vary by region, please consult your local subsidiary.

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