Carbon keeb yog tsis txaus ntshai rau atmospheric corrosion tsis kam ntawm S235J2W steel phaj.
Txo cov ntsiab lus carbon ntawmS235J2W2W Steel PhajTxhawm rau txo cov nag lossis daus ntawm carbides, uas tuaj yeem tiv thaiv kev tsim cov galvanic hlwb.
Feem ntau, cov ntsiab lus carbon ntawmS235J2W2W Steel Phajyog tswj hwm hauv qab 0.12%.
Thaum ntxiv cov ntsiab lus tooj liab ntawm 0.2% ~ 0.4% hauv s235j2W steel phaj, nws tuaj yeem txhim kho cov corrosion tsis kam ntawm S235J2W steel phaj.
Phosphorus yog ib qho ntawm cov ntsiab lus zoo tshaj plaws los txhim kho lub corrosion tsis kam ntawm S235J2W steel phaj.
Phosphorus tuaj yeem ua tau zoo li yaj nyob rau hauv S235J2W no yuav pab ua cov yeeb yaj kiab tuab.
Feem ntau, S235J2W steel phaj muaj qhov zoo tshaj corrosion tsis kam thaum lub phosphorus cov ntsiab lus yog 0.0 15% ~ 0.15%.
Chromium tuaj yeem ua cov yeeb yaj kiab tuab ntawm S235J2W steel phaj, txhim kho lub passivation muaj peev xwm ntawm S235J2W tus nqi ntawm xeb txheej.
Feem ntau, cov ntsiab lus chromium cov ntsiab lus ntawm S235J2W steel yog 0.4% ~ 1.0%.
Npib tsib xee yog ib lub caij ruaj khov. Qhov sib ntxiv ntawm cov neeg muaj peev xwm ua rau tus kheej-corrosion muaj peev xwm ntawm s235j2W steel phaj hloov pauv hauv qhov kev coj zoo, nce kev ruaj khov ntawm S235J2W steel phaj.
Tsis tshua muaj lub ntiaj teb tsis muaj peev xwm ua kom muaj kev sib xyaw ua ke, txo cov kev phom sij los thiab txo cov kev phom sij rau ntawm S235J2W steel phaj.
