Q390D yog ib hom uas tsis tshua muaj alloy siab zog steel qauv, uas belongs rau Suav GB / T 1591 tus qauv.
Yam ntxwv
Cov yam ntxwv ntawm Q390D steel muaj xws li: siab zog, zoo toughness, zoo weldability thiab workability.
Tsis muaj
Cov tshuaj muaj pes tsawg leeg ntawm Q390D steel: carbon (C) Tsawg dua lossis sib npaug rau 0.20 feem pua, silicon (Si) Tsawg dua lossis sib npaug rau 0. 55 feem pua , manganese (Mn) Tsawg dua lossis sib npaug li 1.70 feem pua, phosphorus (P) Tsawg dua lossis sib npaug rau 0.030 feem pua , sulfur ( S) Tsawg dua lossis sib npaug rau 0.025 feem pua , chromium (Cr) Tsawg dua lossis sib npaug rau 0.30 feem pua , npib tsib xee (Ni) Tsawg dua los yog sib npaug rau 0.50 feem pua , tooj liab (Cu) Tsawg dua lossis sib npaug li 0.30 feem pua , molybdenum (Mo) Tsawg dua lossis sib npaug li 0.20 feem pua, txhuas (Al) Ntau dua lossis sib npaug li 0.015 feem pua, titanium ( T) 0.015 feem pua, titanium (Ti) Tsawg dua lossis sib npaug li 0.020 feem pua, niobium (Nb) Tsawg dua lossis sib npaug li 0.060 feem pua, vanadium (V) Tsawg dua lossis sib npaug li 0.20 feem pua.
Kev siv ntau yam
Q390D steel yog tsuas yog siv rau kev tsim ntau yam engineering machinery, loj steel qauv, txuas hniav, nkoj, siab hlab ntsha, mining kev txhawb nqa thiab lwm yam tseem ceeb welded yam ntxwv qhov chaw.
Tej Teeb Meem
Feem ntau cov teeb meem nrog Q390D steel muaj xws li: vuam deformation teeb meem, vuam tawg, teeb meem kev kho cua sov, thiab lwm yam. Thaum siv Q390D steel, yuav tsum tau them nyiaj rau cov txheej txheem vuam tsim nyog thiab cov txheej txheem kev kho cua sov kom paub meej tias nws siv tau zoo.
Cim npe nrov: q390d, Tuam Tshoj q390d lwm tus neeg
