S420ML steel phaj yog European txheem alloy steel phaj, 'S' nyob rau hauv qib S420ML qhia cov qauv hlau; '420' hauv qib S420ML qhia tawm lub zog ntawm 420; 'M' nyob rau hauv qib S420ML qhia cov thermomechanical dov; 'L' hauv qib S420ML qhia txog -50 degree cuam tshuam. 'M' nyob rau hauv qib S420ML qhia txog cov thermomechanical dov; 'L' hauv qib S420ML qhia txog -50 degree cuam tshuam.
S420ML tus me nyuam lub xeev: kub dov, annealed.
S420ML tus qauv ua haujlwm: EN 10025-2004 tus qauv tsim.
S420ML cuam tshuam qhov kub thiab txias: -50 degree .
S420ML flaw detection theem: 'ib sojntsuam, ob sojntsuam, peb sojntsuam'.
S420ML Thickness tuaj yeem ua Z kev ua haujlwm: Z15, Z25, Z35. S420ML steel phaj tuaj yeem ua 1/2 qhov chaw kuaj kev ua haujlwm.
S420ML steel phaj ceev: 7.85 / cubic meter.
S420ML steel phaj rationalization mis: thickness * dav * ntev * ceev.
S420ML mechanical zog:
Lub zog tensile> Yield zog σs (MPa): Ntau dua lossis sib npaug rau 1300;
Elongation δ5(%): Ntau dua lossis sib npaug rau 6;
Tshooj shrinkage ψ(%): Ntau dua lossis sib npaug rau 25;
Hardness Tsawg dua los yog sib npaug rau 321HBW;
PS: Cov khoom siv hluav taws xob tiag tiag yog nyob ntawm cov ntaub ntawv ntawm cov hlau zeb.
S420M steel phaj yog tsim rau cov khoom hnyav ntawm cov khoom siv welded siv nyob rau hauv ambient thiab kub kub, xws li txuas hniav, sluices, cia tso tsheb hlau luam, dej tank thiab lwm yam.
