Cov yam ntxwv tseem ceeb ntawm Cast Steel Cheebtsam hauv Rail Transit

Khoom thiab Mechanical Properties
Cov khoom siv: Feem ntau cam khwb cia carbon steel (xws li ZG20-45#, ZG270-500) thiab cov hlau tsis tshua muaj hlau, nrog cov ntsiab lus carbon feem ntau ntawm 0.2% -0.45%, thiab cov khoom xws li Cr, Ni, thiab Mo tuaj yeem ntxiv los txhim kho lub zog thiab tawv.

High Strength thiab High Toughness: Tensile lub zog muaj peev xwm ncav cuag 500-700 MPa, thiab cuam tshuam toughness Ntau dua los yog sib npaug rau 20 J / cm², haum rau withstanding siab loads thiab tej yam kev mob.

Zoo Isotropy: Cov qauv sab hauv ntawm cov khoom siv cam khwb cia hlau yog ntau dua li cov hlau forged, nrog qhov sib txawv me me hauv peb -cov khoom siv kho qhov ntev, ua rau nws tsim nyog rau kev thauj khoom nyuaj-cov kabmob.

Manufacturing thiab txheej txheem yam ntxwv
Muaj peev xwm tsim cov qauv kev sib tw: Cov txheej txheem casting tuaj yeem tsim cov khoom sib xws - zoo li cov khoom siv xws li rocker beams, side thav duab, couplers, thiab bogie thav duab, txo qhov xav tau vuam.

Kev kho cua sov ntau: Normalizing + tempering lossis quenching thiab tempering feem ntau yog siv los ua kom zoo dua cov qauv, txo cov kev ntxhov siab sab hauv, thiab txhim kho kev ua tau zoo.

Kev Tswjhwm Zoo: Yuav tsum tau kuaj ultrasonic (UT), kev tshuaj xyuas cov khoom sib nqus (MT), thiab qis- magnification / siab- magnification metallographic tshuaj xyuas kom ntseeg tau tias tsis muaj qhov tsis xws li porosity, shrinkage kab noj hniav, los yog tawg.