Conventional
>> Hard Facing Electrodes
>>RASI HF 450R
HARD FACING
RASI - HF 450 R
POOR
MACHINABLE DEPOSIT
CHARACTERISTICS
RASI - HF 450 R design to give a hard and wear resistance deposit of
approximate 450 brinnel. Is a rutile coated AC/DC(-) electrode producing an
a hardening type weld metal for hard facing of carbon and alloy steels.
APPLICATIONS
RASI - HF 450 R the weld deposit is Poor Machinable and is used for
surfacing tractor rollers, Idlers in Steel mill table rolles, shovels, shear
blades,sprockets, Break Shoes, forging Dies etc.
CHEMICAL COMPOSITION OF ALL WELD METAL
ELEMENT
C
Mn
Si
Cr
PERCENTAGE
0.2-0.4
0.5- 1.0
0.60
2.5 -3.5
Note : Single Values shown above
are maximum
HARDNESS ON THREE LAYER DEPOSIT 350-450 BHN
Welding Current and Packing Data : AC / DC(-)
Dia (mm)
2.5 x 350
3.15 x 450
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.