FIELD: metallurgy, machine engineering. SUBSTANCE: alloy has, wt.-% silicon 2-8; copper 2-6; magnesium 0.1-0.5; zinc 0.2-3.0; tin 0.2-1.0; manganese 0.05-0.5; chrome 0.05-0.5; nickel 0.05-0.5; sodium 0.05-0.1; iron 0.3-0.7, and aluminium the rest. Alloy properties: strength limit is 210-260 MPa; creep limit is 175-245 MPa; relative elongation is 0.6-1.2% hardness is 90-100 HB; friction coefficient is 0.01-0.015; wearing is 5.5-6.8 mcm/h. EFFECT: enhanced quality of alloy. 1 tbl
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