I-9Cr18 kanye ne-440C zombili ziyizinhlobo zensimbi engagqwali ye-martensitic, okusho ukuthi zombili ziqiniswa ukwelashwa kokushisa futhi zaziwa ngamandla azo aphezulu kanye nokumelana nokugqwala.
9Cr18 kanye440CZiyingxenye yezinhlobo zezinsimbi ezingagqwali ze-martensitic, ezidumile ngobulukhuni bazo obungavamile kanye nokumelana nokuguguleka ngemva kokucima, okwenza zifaneleke ukusetshenziswa kobulukhuni obuphezulu. Zombili izinto zingafinyelela amazinga obulukhuni obungu-HRC60° nangaphezulu ngemva kokwelashwa kokushisa. I-9Cr18 ibonakaliswa ngokuqukethwe kwayo okuphezulu kwekhabhoni kanye ne-chromium, okwenza ibe yindawo efanele ukukhiqiza izingxenye eziguguleka kakhulu, imithwalo esindayo, kanye nezindawo ezingagqwali, njengezingxenye zevalvu yokulawula ezenzakalelayo. Kodwa-ke, isengozini yokushiswa yi-oxidation lapho ivezwa emanzini noma emusini wamanzi, okudinga ukusetshenziswa kwayo ezindaweni lapho ukuxhumana nomswakama kuncishiswa khona.
Umehluko ekwakhiweni kwamakhemikhali
| Ibanga | C | Cr | Mn | Si | P | S | Ni | Mo |
| 9Cr18 | 0.95-1.2 | 17.0-19.0 | 1.0 | 1.0 | 0.035 | 0.030 | 0.60 | 0.75 |
| 440C | 0.95-1.2 | 16.0-18.0 | 1.0 | 1.0 | 0.040 | 0.030 | 0.60 | 0.75 |
Ngokufigqiwe,Insimbi engagqwali engu-440Cngokuvamile inikeza ubulukhuni obuphezulu kanye nokumelana nokugqwala okungcono kancane uma kuqhathaniswa ne-9Cr18, kodwa zombili izinto zifanelekela izinhlelo zokusebenza ezahlukahlukene lapho ukusebenza okuphezulu nokuqina kubalulekile khona.
Isikhathi sokuthunyelwe: Ephreli-02-2024