Luluphi udidi lweebhola zentsimbi zecarbon?

1. Ngokwento ebhaliweyo, yahlulwe yaziibhola zentsimbi zecarbon ezisezantsi, iibhola zentsimbi zecarbon eziphakathi, iibhola zentsimbi eziphezulu zekhabhoni, izixhobo eziphambili zi-1010-1015, 1045, 1085, njl .;

2. Ngokutsho kobulukhuni, yahlulwe yaziibhola ezithambileyo kunye neebhola ezilukhuni, ekugweba ukuba kuyafuneka na ukunyanga ubushushu: ubunzima emva kokunyuka konyango lobushushu, malunga ne-HRC60-66, eyaziwa njengeebhola ezilukhuni kwishishini; Ubulukhuni ngaphandle konyango lobushushu buphantsi, malunga ne-HRC40-50, eyaziwa njengebhola ethambileyo kolu shishino;

3. Ngokokuba ipholile okanye cha, yahlulwe yibhola emnyama kunye nebhola eqaqambileyo, oko kukuthi, ibhola esezantsi yokugaya ayipolishiwe, nto leyo ibizwa ngokuba yibhola emnyama kushishino; umphezulu okhazimlisiweyo uqaqambile njengesipili, esaziwa njengebhola eqaqambileyo kolu shishino;