420 SS (tšepe e nang le tšepe e se nang moea Ho tsejoa ka khanyetso ea eona ea liqhohoriso tsa eona tse kholo, ho na le thata e phahameng ebile e khabane e fanang ka tšireletso e mpe ea Maraba. Wire ena e sebelisoa hangata indastering e kang Petrochemical, moloko oa motlakase, batang, le metsing ho ntlafatsa sesupo le lintho tse bonahalang. Tefo ea li-formal ea li-formal ea li-formal e loketseng e loketse likopo tse hlokang koae e thata, e loantšanang le khanyetso e leka-lekaneng.
Boitokisetso bo nepahetseng ba bokaholimo bo bohlokoa ho fihlela liphetho tse nepahetseng le terata ea motlakase ea litlolo. Bokapele boo e ka botsitsoang ka botlalo bo lokela ho hloekisoa ka nepo ho tlosa li-silantant tse kang mafura, oli, litšila le litsu le oxides. Gitring e ntse e tuka le axinium oxinum kapa silicon carbide e khothalletsoa ho fihlela bosholu ba 50-75. Sebaka se hloekileng le se senyehileng se ntlafatsa ho khomarela se futhumatsang se futhumatsang se futhumatsang, se lebisang ho ts'ebetso le ho phela nako e telele.
Element | Sebopeho (%) |
---|---|
Carbon (C) | 0.15 - 0.40 |
Chromium (chre) | 12.0 - 14.0 |
Manganese (MN) | 1.0 max |
Silicon (sil) | 1.0 max |
Phosphorus (p) | 0.04 max |
Sulfur (s) | 0.03 max |
Iron (FA) | Balance |
Thepa | Boleng bo tloaelehileng |
---|---|
Letsoalo | 7.75 g / cm³ |
Ntlha ea ho qhibiliha | 1450 ° C |
Ho thata | 50-58 HRC |
Matla a tlamo | 55 MPA (8000 PSI) |
Ho hanyetsa | E ntle |
Ho Sebelisana le Pherekano | 24 w / m · h |
Bofetoo ba ho roala mabone | 0.1 - 2.0 mm |
Poroniki | <3% |
Apara ho hanyetsa | Phahameng |
Tefo ea mocheso ea li-formal e nyenyefatsa ke tharollo e ntle ea ho ntlafatsa mefuta ea likarolo tsa likarolo tsa likarolo tsa mekhabiso ea methapo ea kutlo le ho sisinyeha ka tsela e leka-lekaneng. Ho thata haholo le ho roala hantle ho etsa hore e be loketse likopo tse hlokang koae e tšoarellang le e telele e tšoarellang. Ka ho sebelisa terata ea li-vormal e nyenyefatsang, indasteri e ka ntlafatsa boleng ba lits'ebeletso le ho ts'epahala ha lisebelisoa tsa bona.