SPV490Q steel phaj yog Japanese txheem steel phaj rau boilers thiab siab hlab ntsha, SPV490Q steel phaj muaj zoo tensile zog thiab tej yam toughness vim yog ib tug me me ntawm alloying ntsiab ntxiv nyob rau hauv, thiab SPV490Q steel phaj muaj kev ua tau zoo thiab corrosion kuj.
SPV490Q steel phaj tshuaj muaj pes tsawg leeg: SPV490Q steel phaj ----C (carbon) → Tsawg dua los yog sib npaug rau 0.18; SPV490Q steel phaj ----Si (silicon) → Tsawg dua lossis sib npaug rau 0.75; SPV490Q steel phaj ----Mn (manganese) → Tsawg dua lossis sib npaug rau 1.60; SPV490Q steel phaj ----S (sulfur) → Tsawg dua los yog sib npaug rau 0.030; SPV490Q steel phaj ----P (phosphorus) → Tsawg dua los yog sib npaug rau 0.030; SPV490Q steel phaj ----S (phosphorus) → Tsawg dua los yog sib npaug rau 0.030. ) → Tsawg dua lossis sib npaug li 0.030;
Mechanical zog ntawm SPV490Q steel phaj:
SPV490Q steel phaj Yield zog → Ntau dua los yog sib npaug rau 490MPa;
SPV490Q steel phaj Tensile zog → 610-740MPa;
SPV490Q steel phaj elongation ntawm tawg → Ntau dua lossis sib npaug li 19%;
SPV490Q steel phaj yuav tsum muaj ntau yam kev ua tau zoo, hauv kev siv cov txheej txheem kuj tseem zoo heev, yog li feem ntau ntawm cov neeg siv tau txais kev qhuas thiab lees paub, hauv kev tsim kev lag luam feem ntau siv thiab cov tuam txhab txuas ntxiv txhim kho thiab txhim kho, thiab maj mam SPV490Q steel phaj kuj tau dhau los ua ib qho ntawm cov qib steel phaj feem ntau siv hauv lub tebchaws.
