Q420E yog hom qis-alloy high-strength steel qauv, uas belongs rau Suav GB / T 1591 tus qauv.
Yam ntxwv
Q420E steel nta muaj xws li: siab zog, zoo toughness, zoo weldability thiab workability.
Tsis muaj
Cov tshuaj muaj pes tsawg leeg ntawm Q420E steel: Carbon C Tsawg dua lossis sib npaug rau 0.20, silicon Si Less dua lossis sib npaug rau 0.5{{11} }, manganese Mn Tsawg dua lossis sib npaug rau 1.70, phosphorus P Tsawg dua lossis sib npaug rau 0.030, sulfur S Tsawg dua lossis sib npaug 0.025, chromium Cr Tsawg dua lossis sib npaug rau 0.30, npib tsib xee Ni Tsawg dua lossis sib npaug 0.30, tooj liab Cu Less dua lossis sib npaug rau 0.30.
Q420E steel mechanical zog: Tensile lub zog ntawm ntau dua los yog sib npaug rau 420MPa, yield zog ntawm ntau dua los yog sib npaug rau 420MPa, elongation ntawm ntau dua los yog sib npaug rau 20 feem pua, cuam tshuam toughness kub ntawm -40 degree .
Kev siv ntau yam
Q420E steel feem ntau yog siv rau hauv kev txuas hniav, kev tsim kho, kev tsim khoom, kev tsim nkoj thiab lwm yam.
Tej teeb meem
Feem ntau cov teeb meem nrog Q420E steel muaj xws li qhov yuav tsum tau tswj cov cua sov tawm thaum vuam kom tsis txhob txias tawg, thiab yuav tsum tau ua tib zoo saib xyuas kom tsis txhob tawg tawg thaum siv nyob rau hauv qhov kub thiab txias.
Cim npe nrov: q420e, Tuam Tshoj q420e lwm tus neeg
