STELLOY 21-O
Cobalt based tubular wire for self shielded metal arc hardfacing
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Technical information
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- 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 Processes: FCAW-S
Features:- Co-Cr-Ni-Mo alloy deposit
- Excellent metal-metal wear resistance combined with good corrosion resistance
Wear type suitability:
Welding Positions:
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