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

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 />

impact<br />

strat de<br />

uzura<br />

6,8 x 4 = 27,2 3,2 x 450<br />

UTP DUR 650 Kb EFe8 E6-UM-60<br />

6,7 x 4 = 26,8 4,0 x 450<br />

58 - 60<br />

HRC<br />

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

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

Rezistenta la abraziune (pamant, <strong>ro</strong>ca) <br />

Rezistenta la impact <br />

Nr. de straturi necesar - 3 , max. 6 (18 mm)<br />

Prelucrabilitatea - polizare<br />

dinti <st<strong>ro</strong>ng>si</st<strong>ro</strong>ng> muchii de cupa, senile, <strong>ro</strong>ti de senile, concasoare,<br />

ciocane de moara, mojare, muchia sculelor de prelucrare<br />

la rece <st<strong>ro</strong>ng>si</st<strong>ro</strong>ng> semicald, ghilotine.<br />

abraziune<br />

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

strat de<br />

uzura<br />

1,8 x 6 = 10,8 2,5 x 350<br />

OK 84.78 EZFe14 E10-UM-60-CZ 1,7 x 6 = 10,2 3,2 x 350<br />

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

59 - 63<br />

HRC<br />

Structura : austenita cu carburi mari de Cr<br />

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

Rez. la abraziune (carbune, pamant, <strong>ro</strong>ca) <br />

Rezistenta la temperatura - 700 0 C<br />

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

Nr. de straturi necesar - 3 / Fisuri de depunere<br />

Prelucrabilitatea - polizare<br />

unelte agricole, lame de draglina <st<strong>ro</strong>ng>si</st<strong>ro</strong>ng> buldozer, cupe de<br />

draglina, exploatarea carbunelui, palete <st<strong>ro</strong>ng>si</st<strong>ro</strong>ng> melci de<br />

amestecator <st<strong>ro</strong>ng>pentru</st<strong>ro</strong>ng> asfalt <st<strong>ro</strong>ng>si</st<strong>ro</strong>ng> beton, concasoare<br />

abraziune<br />

temperatura<br />

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

strat de<br />

uzura<br />

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

OK 84.80 EFe16 E10-UM-65-GZ<br />

3,7 x 3 = 11,1 4,0 x 350<br />

62 - 66<br />

HRC<br />

Structura : austenita cu carburi fine de Cr, Mo,Nb<br />

Rezistenta la abraziune (particule fine) <br />

Rezistenta la temperatura - 700 0 C<br />

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

Nr. de straturi necesar - 3<br />

Prelucrabilitatea - polizare<br />

ventilatoare de exhaustare, alimentatoare cu melc,<br />

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

abraziune<br />

temperatura<br />

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

strat de<br />

uzura<br />

UTP Ledurit 61 EFe14 E10-UM-60-GRZ 4,0 x 4 = 16,0 3,2 x 350<br />

55 - 60<br />

HRC<br />

Structura : austenita cu carburi de Cr<br />

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

Rezistenta la abraziune <br />

Rezistenta la impact <br />

Rezistenta la ruginire <br />

Rezistenta la temperatura - peste 600 0 C<br />

Nr. de straturi necesar - 1-2 , max. 3 (10 mm)<br />

Prelucrabilitatea - polizare<br />

concasoare, cupe de incarcare <st<strong>ro</strong>ng>si</st<strong>ro</strong>ng> excavare, dinti de cupa,<br />

placi de uzura la furnale, palete de amestecatoare, melci,<br />

pompe de ni<st<strong>ro</strong>ng>si</st<strong>ro</strong>ng>p, razuitoare, cutite de strivit <st<strong>ro</strong>ng>si</st<strong>ro</strong>ng> macinat in<br />

industia zaharului

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