Carbon karfe karfe ne mai abun ciki na carbon daga kusan 0.05 har zuwa kashi 2.1 bisa nauyi.
Karfe mai laushi (baƙin ƙarfe wanda ke ɗauke da ɗan ƙaramin kaso na carbon, mai ƙarfi kuma mai tauri amma ba mai saurin fushi ba), wanda kuma aka sani da ƙarfe-carbon ƙarfe da ƙaramin ƙarfe, yanzu shine nau'in ƙarfe da aka fi sani da shi saboda farashinsa yana da ɗan ƙaramin ƙarfi yayin da yake samarwa. kayan kayan da aka yarda don aikace-aikace da yawa. Ƙarfe mai laushi ya ƙunshi kusan 0.05-0.30% carbon. Ƙarfe mai laushi yana da ɗan ƙaramin ƙarfi, amma yana da arha kuma mai sauƙi don samarwa; Ana iya ƙara taurin ƙasa ta hanyar carburizing.
Standard No: GB/T 1591 High ƙarfi low gami tsarin steels
| KASHIN KIMIYYA % | KAYAN KANikanci | |||||||
| 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 | (Max) 0.24 | 0.55 | (Max) 1.6 | 0.035 | 0.035 | 355 | 470-630 | 22 |
Lokacin aikawa: Janairu-21-2022