Lub hardness ntawm roj hmab hardness yas sheohs ha, HD thiab lwm yam hardness qhia txog lub peev xwm ntawm 304 stainless hlau yeeb nkab los tiv thaiv nyuaj. Ntawm qhov tod tes, cov ntug dej hardness ntawm HHL thiab HHS Hardness yog qhov kev sim tawv tawv, thiab nws tus nqi sawv cev rau qhov ntau ntawm cov hlau tsis sib xws ntawm cov hlau. Hardness tsis yog qhov ntsuas kom yooj yim, tab sis muaj kev ua tau zoo tshaj plaws ntawm lub cev uas qhia txog tus, muaj zog, muaj zog thiab tawv ntawm cov khoom.
304 Stainless Hlau Yeeb; HRC Hardness HRC nplai txhais tau tias C; HB tau siv dav hauv kev tsim khoom. HRC muaj feem xyuam rau HRC 20-67, uas yog sib npaug rau hb {2}}; Yog tias lub hardness nyob rau saum no ntau, siv lub hardness nplai HRA. Yog tias lub hardness nyob hauv qab no ntau, siv lub hardness nplai HRB. Tus lej txwv ntawm HB650 tsis yog siab dua tus nqi no.
