Taw qhia rau q355 steel
Q355 yog hom qis-alloy high-strength steel qauv, qhov "Q" txhais tau hais tias muaj zog tawm los. 355 txhais tau hais tias lub zog tawm los ntawm cov hlau no yog 355MPa, thiab nws cov txiaj ntsig tawm los yuav txo qis raws li cov thickness ntawm cov khoom nce.
Q355 yog cov hlau tsis tshua muaj hlau thiab yog lub npe tshiab ntawm cov qauv qub 16Mn thiab q345. Vim tias q345 tau teev tseg hauv thawj GB / T 1591-2008 tus qauv tsis tuaj yeem synchronized nrog EU S355, Pawg Neeg Saib Xyuas Cov Qauv Hauv Lub Tebchaws tau tshaj tawm txoj cai tshiab GB/T 1591-2018, uas tau teev tseg tias q345 hloov mus rau q355, pib txij Lub Ob Hlis 1, 2019 siv.
Q355 muaj kev ua haujlwm zoo thiab muaj qhov zoo ntawm qhov kub thiab txias tsis kam, vuam yooj yim, txias stamping, thiab machinability. Nws yog dav siv nyob rau hauv choj, tsheb, nkoj, kev tsim kho, siab hlab ntsha, yees, tshwj xeeb cov cuab yeej thiab lwm yam teb.
