Ibyuma bya karubone nicyuma kirimo karubone kuva 0,05 kugeza kuri 2,1 ku ijana kuburemere.
Icyuma cyoroheje (icyuma kirimo ijanisha rito rya karubone, ikomeye kandi ikomeye ariko ntago byoroshye) ibintu bifatika byemewe kubisabwa byinshi. Ibyuma byoroheje birimo karubone hafi 0.05–0,30%. Ibyuma byoroheje bifite imbaraga zingana ugereranije, ariko birhendutse kandi byoroshye gukora; Ubuso bukomeye burashobora kwiyongera binyuze muri carburizing.
Igipimo Oya ： GB / T 1591 Imbaraga nyinshi zo hasi zivanze ibyuma byubaka
| CHIMICAL COMPOSITION% | UMUTUNGO W'IKORANABUHANGA | |||||||
| C (%) | Si (%) (Max) | Mn (%) | P (%) (Max) | S (%) (Max) | YS (Mpa) (Min) | TS (Mpa) | EL (%) (Min) | |
| Q195 | 0.06-0.12 | 0.30 | 0.25-0.50 | 0.045 | 0.045 | 195 | 315-390 | 33 |
| Q235B | 0.12-0.20 | 0.30 | 0.3-0.7 | 0.045 | 0.045 | 235 | 375-460 | 26 |
| Q355B | (Maks) 0.24 | 0.55 | (Maks) 1.6 | 0.035 | 0.035 | 355 | 470-630 | 22 |
Igihe cyo kohereza: Mutarama-21-2022