igr2 ititane yebhedi
Imithi yethayitaniyamu ye Grade 2 iyabonisa ukukhetha okuphambili kumatyeliwana endustriyeleni, ekunikeza ukuxhumiwa okuphambili kwamandla, ukungena kwegogo, nokusebenzisa ngokusho. Le mithi, ehlenwe ngokucacileyo, inemithwana yokubonisa ukuthi inikeza amandla okuphambili aqinisekisa ukuthi kutheni kancane ukuphakama. Nge ukuphakama okuphakathi kwe 345 kuya kuma 480 MPa nokungena kwegogo kanye nezinhlanzi zokugcina, le mithi yethayitaniyamu iye yaba yindlela engcono kakhulu kuzo zonke izisebenziso eziphambili. Le ntya inikeza ukuthi kutheni kakhulu kuhlolweni lwesigaba esikhulu semigqa yokungeniswa kanye nezimo eziphakeme. Imithi ihlenwe ngokusha nezindlela zokwenza okunikeza ukuthi kutheni kanye nezinhlobo eziphakeme, lokhu kwenza yona okuphambili kuzo zonke izisebenziso eziphakeme kwezimali, ukuphatha izinhlanzi, nezinhlanzi zokubona. Ukungena kwayo kwebiyo nokuthi kutheni kancane kwenza ukuthi kutheni kakhulu kuzo zonke izisebenziso zokubona nezinhlanzi. Le mithi nazo inikeza ukuthi kutheni kakhulu kwezinyawo kanye nezinhlanzi zokungeniswa, kanye nezinhlobo eziphakeme ezikhona ngisho noma kutheni kakhulu kwezimo eziphakeme.