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Electrozi si sarma pentru incarcari dure.pdf - imosdg.ro

Electrozi si sarma pentru incarcari dure.pdf - imosdg.ro

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abraziune<br />

pre<st<strong>ro</strong>ng>si</st<strong>ro</strong>ng>une<br />

strat de<br />

uzura<br />

muchii <st<strong>ro</strong>ng>si</st<strong>ro</strong>ng><br />

ca<strong>ro</strong>iaje<br />

1,9 x 6 = 11,4 3,2 x 350<br />

OK 84.84 - E10-UM-60-GP<br />

4,2 x 3 = 12,6 4,0 x 350<br />

60 - 62<br />

HRC<br />

Structura : marten<st<strong>ro</strong>ng>si</st<strong>ro</strong>ng>ta cu carburi fine de Cr, V, Ti<br />

Materialul de baza : otel carbon, otel manganos<br />

Rez. la abraziune (<strong>ro</strong>ca, ni<st<strong>ro</strong>ng>si</st<strong>ro</strong>ng>p, ciment) <br />

Rezistenta la impact <br />

Nr. de straturi necesar - 1<br />

Prelucrabilitatea - polizare<br />

sape de foraj, cupe de excavator, dinti de cupa, cutite,<br />

razuitoare, raclete, palete amestecatoare de asfalt,<br />

alimentatoare cu melc, ciocane, betoniere, alimentatoare<br />

de beton<br />

otel<br />

manganos<br />

impact<br />

abraziune<br />

strat de<br />

uzura<br />

refacerea<br />

formei<br />

2,2 x 6 = 13,2 3,2 x 450<br />

OK 86.28 EZFe9 E7-UM-200-K<br />

5,0 x 3 = 15,0 4,0 x 450<br />

160 - 180<br />

HB /<br />

42 - 46<br />

HRC<br />

Structura : austenitic-manganoasa<br />

Materialul de baza : oteluri manganoase<br />

Rezistenta la impact <br />

Rezistenta la abraziune <br />

Nr. de straturi necesar - 1<br />

Duritatea se obtine prin ecuisare in urma ciocanirii<br />

Prelucrabilitatea - polizare<br />

macazuri de incrucisare cale ferata, concasoare cu falci,<br />

conuri <st<strong>ro</strong>ng>si</st<strong>ro</strong>ng> valturi, mantale de concasor, mori cu ciocane,<br />

dinti de cupa, cupe de draglina<br />

otel<br />

manganos<br />

impact<br />

abraziune<br />

co<strong>ro</strong>ziune<br />

strat de<br />

uzura<br />

imbinare<br />

otel<br />

manganos<br />

cu otel<br />

carbonmangan<br />

OK 86.30 EFe9 E7-UM-200-KR 5,0 x 3 = 15,0 4,0 x 450<br />

190 - 210<br />

HB /<br />

40 - 44<br />

HRC<br />

Structura : austenito-marten<st<strong>ro</strong>ng>si</st<strong>ro</strong>ng>tic manganoasa cu Cr<br />

Materialul de baza : oteluri manganoase<br />

Rezistenta la impact <br />

Rezistenta la abraziune <br />

Rezistenta la ruginire <br />

Nr. de straturi necesar - 1 / Sudare multistrat<br />

Duritatea se obtine prin ecuisare in urma ciocanirii<br />

Prelucrabilitatea - polizare<br />

mori cu ciocane, cupe de draglina, conuri, valturi <st<strong>ro</strong>ng>si</st<strong>ro</strong>ng><br />

mantale de concasor, imbinarea pieselor din otel<br />

manganos cu piese din otel carbon-mangan<br />

abraziune<br />

impact<br />

strat de<br />

uzura<br />

NU se<br />

utilizeaza<br />

<st<strong>ro</strong>ng>pentru</st<strong>ro</strong>ng><br />

refacerea<br />

formei<br />

OK Tub<strong>ro</strong>dur 15.50 TZFe2 MF6-55GP 16,0 1,6<br />

55 - 60<br />

HRC<br />

Structura : marten<st<strong>ro</strong>ng>si</st<strong>ro</strong>ng>ta cu carburi uniforme de Cr<br />

Materialul de baza : otel carbon, otel manganos<br />

Rezistenta la abraziune <br />

Rezistenta la impact <br />

Nr. de straturi necesar - max. 3<br />

Prelucrabilitatea - polizare<br />

concasoare, cupe, dinti de cupa, ciocane, unelte agricole<br />

<st<strong>ro</strong>ng>si</st<strong>ro</strong>ng> forestiere

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