Dab tsi yog qhov kev faib tawm ntawm cov pa roj carbon steel pob?

1. Raws li cov khoom siv, nws muab faib ua cov pa roj carbon steel tsawg, nruab nrab carbon steel pob, cov pa roj carbon steel pob, cov khoom siv loj yog 1010-1015, 1045, 1085, thiab lwm yam;

2. Raws li cov tawv, nws muab faib ua cov pob mos thiab cov pob nyuaj, uas yog los txiav txim siab seb puas yuav tsum tau kho tshav kub: qhov nyuaj tom qab kev kho cua sov nce, txog HRC60-66, feem ntau hu ua cov pob nyuaj hauv kev lag luam; lub hardness yam tsis muaj kev kho cua sov yog tus nqi tsawg, hais txog HRC40-50, feem ntau hu ua pob muag muag hauv kev lag luam;

3. Raws li seb nws yog polished lossis tsis, nws muab faib ua cov pob dub thiab lub npas pob qaim, uas yog, qis dua pob sib tsoo tsis tau polished, uas feem ntau hu ua pob dub hauv kev lag luam; polished nto yog zoo li ci ci zoo li daim iav saum npoo, feem ntau hu ua pob qaim hauv kev lag luam;