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Conventional  >>  Hard Facing Electrodes  >>  RASI HF 250R

HARD FACING
RASI - HF 250 R
MACHINABLE  DEPOSIT

CHARACTERISTICS
RASI - HF 250 R design to give a hard and wear resistance deposit of approximate 250 brinnel. The weld deposit which stand heavy impact load and has excellent resistance to rolling and sliding friction.

APPLICATIONS
RASI - HF 250 R the weld deposit is machinable and is used for surfacing / joining of gears, pionions, shafts, Couplings, Sugarcane crusher etc.

CHEMICAL COMPOSITION OF ALL WELD METAL
ELEMENT C Mn Si Cr
PERENTAGE 0.25 0.521 0.60 1.0-2.0

Note : Single Values shown above are maximum

HARDNESS ON TWO LAYER DEPOSIT 200 - 300 BHN
 

Welding Current and Packing Data : AC / DC(-)
Dia (mm) 2.5 x 350 3.15 x 350 4 x 450 5 x 450
Current (A) 50-70 100-120 140-180 180-220
Pieces/Pkt 135 90 60 45
Pkts/Box 8 8 8 8

SUGGESTED WELDING PROCEDURE
Confirm the Electrodes are absolutely dry as packed if exposed and damp heat them up to 150oC for 1/2 hrs and use.

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