Q690E steel yog ib yam uas tsis tshua muaj alloy siab zog steel.Q690E steel yog lub npe vim hais tias ntawm nws yield zog tus nqi, Q yog lub ntsiab lus ntawm yield zog, uas yog, lub yield zog ntawm Q690E steel yog 690 MPa, E qhia tias qhov cuam tshuam qhov kub thiab txias. ntawm Q690E steel yog - 40 degree .
Tshuaj muaj pes tsawg leeg ntawm Q690E steel khoom:
C Less dua lossis sib npaug rau {{0}}.18, Si Less dua lossis sib npaug rau 0.60, Mn Tsawg dua lossis sib npaug rau 2.0 , P Tsawg dua lossis sib npaug rau {{10}}}030, S Less dua lossis sib npaug rau {{20}}}{{24 }}25, Nb Tsawg dua lossis sib npaug rau 0.11, V Less dua lossis sib npaug rau 0.12, Ti Less dua lossis sib npaug rau 0.20, Cr Tsawg dua lossis sib npaug rau 1.{{ 17} }, Ni Less tshaj los yog sib npaug 0.80, Cu Less tshaj los yog sib npaug rau 0.80, N Tsawg tshaj los yog sib npaug rau 0.015, Mo Less tshaj los yog sib npaug rau 0.30, B Less tshaj los yog sib npaug rau 0.004, Al Less dua los yog sib npaug rau 0.015 ib.
Q690E steel cov khoom siv lub cev muaj zog: yield zog Ntau dua lossis sib npaug ntawm 690 MPa, tensile zog 730-940 MPa, elongation ntawm tawg Ntau dua lossis sib npaug li 14%, cuam tshuam lub zog 31J.
Q690E steel khoom siv:
Q690E steel khoom muaj lub zog siab, zoo plasticity thiab toughness, zoo weldability, zoo kub thiab txias ua haujlwm.
Q690E steel cov khoom muaj zog, zoo toughness, thiaj li yuav xyuas kom meej lub zog, nruj thiab kev cia siab ntawm lub tsev, tuaj yeem txo qhov hnyav ntawm cov khoom kom tau raws li cov khoom siv engineering thiab cov khoom siv loj, lub teeb yuag.
