Graphite roj av coke yog siv dav hauv kev lag luam. Nws yog siv los ua tus neeg sawv cev carburizing hauv metallurgy, casting thiab precision casting. Nws yog siv los ua qhov kub siab crucible rau smelting, roj nplua nyeem rau kev lag luam tshuab, ua electrode thiab xaum xaum; Siv dav hauv kev lag luam metallurgical ntawm cov khoom siv refractory thiab txheej, tub rog kev lag luam hluav taws stabilizer, lub teeb kev lag luam xaum xaum, hluav taws xob kev lag luam carbon txhuam, roj teeb kev lag luam electrode, tshuaj chiv kev lag luam catalyst, thiab lwm yam.