Qhov tsis xws luag yog blocky, feem ntau yog dawb, thiab yooj yim rau kev mloog zoo rau qee qhov ntev ntawm steel sawb.
Txij li cov teeb meem txawv teb chaws (xws li cov ntawv thaub qab, cov khoom siv roj hmab) txiav saum npoo txias coil steel yog dov rau hauv qhov chaw ntawm cov hlau, ib qho chaw loj, thaiv zoo li qhov tsis xws luag yog tsim.
Muaj ob txheej ntawm cov kab nrib pleb ntawm qhov chaw txiav, tab sis tsis muaj kev sib cais.
Cov pa npuas nyob twj ywm rau saum npoo ntawm steel sawb thaum steelmaking thiab kub dov.
Irregular "tus nplaig", "fish scale" los yog strip-zoo li tus hlau txheej nyob rau saum npoo, qee qhov txuas nrog lub phaj steel lub cev, qee qhov tsis txuas nrog lub phaj steel lub cev, lub hauv ntej yog hu ua qhib pob qhov rooj, tom kawg yog hu ua kaw lub qhov ncauj Cov pob qhov rooj kaw, thiab cov pob qhov rooj kaw tau yooj yim tev tawm thaum lub sij hawm dov, kom lub ntsej muag ntawm daim ntawv ua ib lub qhov.
| Qib Qib | C | Mn | P | S | Cu | Ni | Cr | Mo | V | Cb | Ti |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 30,33,36,40 | 0.25 | 0.9 | 0.035 | 0.04 | 0.2 | 0.2 | 0.15 | 0.06 | 0.008 | 0.008 | 0.025 |
| 36T2,45-80 | 0.25 | 1.35 | 0.035 | 0.04 | 0.2 | 0.2 | 0.15 | 0.06 | 0.008 | 0.008 | 0.025 |
Cim npe nrov: txiav deg txias coil steel, Tuam Tshoj, lwm tus neeg, manufacturers, hoobkas, yuav, nqe, pricelist, kev muag, Tshuag, dawb qauv
