FIELD: process engineering.
SUBSTANCE: invention relates to abrasive and bead blasting. Cermet grit comprises 3-40 wt % of cermet, 3-50 wt % of dusty wastes of steel smelting, pyrite cinder making the rest.
EFFECT: processing of cinder and wastes, better operating properties of grit, in particular, hardness and strength.
3 cl, 3 tbl
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