Method of making a composite cast iron dryer or the like

Details Method of making a composite cast iron dryer or the like Method of making a composite cast iron dryer or the like

1978-05-24

1979-07-03

Beck, Shrive P.

Coating processes

Restoring or repairing

Metal article

427184, 427191, 427198, 427292, 427319, 427328, 427367, 427368, 427423, 427425, 427427, B23P 700, B05D 108

Patent

active

041600487

ABSTRACT:
The invention contemplates a method and means for making a dryer or the like roll having a ferrous metal surface provided with a surface coating of a hardfacing alloy, the ferrous metal surface having a thermal conductivity relative to silver taken as 1 cal/cm.sup.2 /cm/.degree.C./sec of at least about 0.06 the hardfacing alloy being a hardfacing heat, corrosion and wear resistant iron-group metal-base alloy mechanically and metallurgically bonded to said ferrous metal surface which is preferably made of cast iron, the hardfacing alloy coating having a thickness ranging from about 0.01 to 0.15 inch, the thermal conductivity of said coating being at least 0.05.

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patent: 3775241 (1973-11-01), Justus et al.
patent: 3986668 (1976-10-01), Huhne et al.

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