Umuyoboro wa Carbone ni umuyoboro wakozwe mubyuma bya karubone nkibikoresho byingenzi. Ubusanzwe karubone iri hagati ya 0,06% na 1.5%, kandi irimo urugero rwa manganese, silikoni, sulfure, fosifore nibindi bintu. Ukurikije amahame mpuzamahanga (nka ASTM, GB), imiyoboro yicyuma cya karubone irashobora kugabanywamo ibyiciro bitatu: ibyuma bya karubone nkeya (C≤0.25%), ibyuma bya karubone yo hagati (C = 0,25% ~ 0,60%) nicyuma kinini cya karubone (C≥0.60%). Muri byo, imiyoboro mito ya karubone niyo ikoreshwa cyane bitewe nuburyo bwiza bwo gukora no gusudira.
Igihe cyo kohereza: Gicurasi-21-2025