FLUX FOR CENTRIFUGAL CASTING Russian patent published in 2005 - IPC

Abstract RU 2262413 C1

FIELD: metallurgy.

SUBSTANCE: invention can be used for centrifugal casting of bimetal iron blanks, for instance, work rolls with working layer of cast iron modified by magnesium. Proposed flux contains, mass %: soda ash (Na₂CO₃) 3-8; borax (Na₂B₄O₇) 10-12; spar (CaF₂) 12-17; limestone (CaO) 8-12; calcium borate (CaO·B₂O₃) 35-40 and impure sodium dicilicate-the rest. Flux features wide temperature crystallization range, sufficient plasticity, increased density and surface tension.

EFFECT: reduced reject caused by inweldability of two layers of metal, increased hardness of inner zones of working layer of work roll.

4 dwg

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RU 2 262 413 C1

Authors

Gimaletdinov R.Kh.

Pavlov S.P.

Gulakov A.A.

Smolokurov A.V.

Agzamov A.V.

Istomin S.A.

Dates

2005-10-20—Published

2004-04-01—Filed