SS400 feem ntau dov rau hauv cov hlau pas nrig lossis cov hlau puag ncig, square steel, tiaj tus hlau, lub kaum sab xis steel, I-beam, channel steel, qhov rai ncej steel, thiab lwm yam., thiab nruab nrab thiab tuab steel daim hlau. Nws yog dav siv nyob rau hauv kev tsim kho thiab engineering lug. Nws yog siv los ua steel tuav los yog tsim lub Hoobkas tsim thav ntawv, high-voltage kis tau tus yees, txuas hniav, tsheb, boilers, ntim, nkoj, thiab lwm yam. Nws kuj yog siv los ua txhua yam khoom uas tsis tas yuav muaj kev ua haujlwm siab. C, D qib steel kuj tseem siv tau ua qee yam hlau.
Cov qauv kev tswj hwm: domestic GB / T, American standard ASTM, Japanese txuj JIS, German txuj DIN