COMPOSITION FOR TOOL DIFFUSION HARDENING Russian patent published in 1995 - IPC

Abstract RU 2041971 C1

FIELD: chemical-thermic metal working. SUBSTANCE: composition has, wt. -% charcoal carburizing agent 5-15; ferromolybdenum 20-30; ferrovanadium 10-20; waste production of tin ores concentration containing tourmaline and quartz 20-30; ammonium chloride 0.5-2.0, and aluminium oxide the rest. EFFECT: enhanced quality of composition. 1 tbl

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RU 2 041 971 C1

Authors

Paladin N.M.

Belov E.I.

Rusin E.N.

Guzanov D.S.

Dates

1995-08-20—Published

1992-12-09—Filed