Hardness testing of spun
cast high chrome iron roll
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Spun Cast High Chrome Iron Rolls :
These rolls are suitable for use at early finishing stands of Hot
Strip Mills. It gives very high resistance to abrasion and wear
coupled with high degree of resistance to thermal fatigue. The
shell matrix consists of complex carbides in martensitic matrix
without graphite. Mechanical strength of shell metal is enhanced
through special heat treatment cycles and thus the hardness drop
in the shell layer is practically negligible. There are numerous
benefits of using these rolls, it improves resistance to crack
initiation and propagation, it gives tolerance to mills
conditions, the hardness throughout the working life is uniform,
thus ensuring roll gap profile consistency and complete
flexibility during operations.
Application: These rolls are used as work rolls in the front
finishing stands of Hot Strip Mills and work Rolls for Heavy Plate
Mills.
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