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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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metal-metal<br />

temperatura<br />

ridicata<br />

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

temperatura<br />

ridicata<br />

strat de<br />

uzura<br />

refacerea<br />

formei<br />

OK Tub<strong>ro</strong>dur 15.73 TZFe7 MF5-GF-45-RTZ 16,0 1,6<br />

45 - 51<br />

HRC<br />

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

Rezistenta la abraziune <br />

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

Rezistenta la ruginire <br />

Nr. de straturi necesar - 3<br />

Prelucrabilitatea - polizare<br />

cilindri de laminor, scule de prelucrare la cald, scaune de<br />

supapa, plunjere, arbori, <strong>ro</strong>le<br />

otel<br />

manganos<br />

impact<br />

abraziune<br />

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

strat de<br />

uzura<br />

refacerea<br />

formei<br />

OK Tub<strong>ro</strong>dur 15.65 TFe9 MF8-GF-200-GKPR 16,0 1,6<br />

200 - 250<br />

HV /<br />

400 - 500<br />

HV<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 />

macazuri de incrucisare cale ferata, <st<strong>ro</strong>ng>si</st<strong>ro</strong>ng>ne, concasoare cu<br />

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

concasor, 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 />

refacerea<br />

formei<br />

strat<br />

tampon<br />

imbinare<br />

otel<br />

manganos<br />

cu otel<br />

carbonmangan<br />

SK AP-O FeMn-Cr MF7-200-KP 15,0 1,6 200 HB<br />

Structura : austenitic-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 />

macazuri de incrucisare cale ferata, <st<strong>ro</strong>ng>si</st<strong>ro</strong>ng>ne, mantale, falci,<br />

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

draglina, dinti de cupa, inele de lant, <strong>ro</strong>le de presare,<br />

senile, <strong>ro</strong>ti de senile, cutite de strivit <st<strong>ro</strong>ng>si</st<strong>ro</strong>ng> macinat in<br />

industria zaharului, imbinarea pieselor din otel<br />

manganos cu piese din otel carbon-mangan

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