HILCO HARDMELT 620
Stick electrodes – repair & maintenance – wear-resistant
- AWS A5.13 : E Fe 5-B (mod.)
- DIN 8555: E 4-UM-60-ST
- EN 14700: E Fe4
- Type: Stick electrodes
Current:
Welding position:
HILCO HARDMELT 620
Hardmelt 620 is our rutile coated electrode for wear-resistant surfacing tool steels subject to metal-to-metal wear at elevated temperatures up to 550ºC. Deposit weld metal is a high-speed steel (HSS) similar to M-1 tool steel, the structure is fine precipitated carbides in a martensitic matrix, the hardness of pure weld metal is 62 HRc. This hardness can be increased after tempering. After welding the deposit can be machined by grinding only
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