KOVET- H450R is a rutile coated electrode which has excellent hardness and resistance to cracking. It has good performance and is resistant to abrasion accompanied with impact. It can be welded in flat, horizontal, and vertical position. This KOVET H-450R is suitable for the reclamation and fabrication of new metal cutting or forming equipment. It can also be used for repairing welding crane wheel, buckets, bulldozer blades, and shovel tooth, idlers, rollers, sprockets, etc.
Welding Electrode for hard surfacing H450R
Chemical Composition (Wt%)
C
0.28
Mn
1.12
Si
042
Cr
2.75
Typical hardness of weld metal
Welding condition
Vicker
(HV)
Rockwell
(HRC)
Shore
(HS)
Inter-Pass temp. below 150 °C
410-480
42-48
56-64
Continuous welding
350-420
35-43
48-58