420 SSTerata ea spray ea mocheso (Tšepe e sa Khaotseng) ke thepa ea boleng bo holimo e etselitsoeng lits'ebetso tsa ho fafatsa ka arc. E tsebahala ka ho hanyetsa mafome hantle, ho ba thata haholo, le ho hanyetsa ho tsofala hantle, 420 SS ke tšepe e sa hloekang ea martensitic e fanang ka tšireletso e matla holim'a metsi. Terata ena e sebelisoa hangata liindastering tse kang petrochemical, tlhahiso ea motlakase, likoloi le likepe ho ntlafatsa ho tšoarella le bophelo ba likarolo tsa bohlokoa. Terata ea spray ea mocheso ea 420 SS e loketse lits'ebetso tse hlokang ho roala ho thata, ho hanyetsang ho tsofala ho nang le ho hanyetsa mafome ho itekanetseng.
Ho lokisa bokaholimo hantle ho bohlokoa bakeng sa ho fihlela liphetho tse ntle ka terata ea spray ea mocheso ea 420 SS. Bokaholimo bo tla koaheloa bo lokela ho hloekisoa ka hloko ho tlosa litšila tse kang mafura, oli, litšila le li-oxide. Ho qhomisa lerōle ka aluminium oxide kapa silicon carbide ho khothaletsoa ho fihlela ho ba le makukuno a bokaholimo ba li-micron tse 50-75. Bokaholimo bo hloekileng le bo hlabang bo ntlafatsa ho khomarela ha sekwahelo sa spray ea mocheso, e leng se lebisang ts'ebetsong e ntlafetseng le ho phela nako e telele.
| Karolo | Sebopeho (%) |
|---|---|
| Khabone (C) | 0.15 – 0.40 |
| Chromium (Cr) | 12.0 – 14.0 |
| Manganese (Mn) | 1.0 e phahameng ka ho fetisisa |
| Silicone (Si) | 1.0 e phahameng ka ho fetisisa |
| Fosforase (P) | 0.04 max |
| Sebabole (S) | 0.03 max |
| Tšepe (Fe) | Tekanyo |
| Thepa | Boleng bo Tloaelehileng |
|---|---|
| Botenya | 7.75 g/cm³ |
| Sebaka sa ho Qhibiliha | 1450°C |
| Bothata | 50-58 HRC |
| Matla a Tlamo | 55 MPa (8000 psi) |
| Khanyetso ea ho ntša oksijene | Ho lokile |
| Ho khanna ha mocheso | 24 W/m·K |
| Mefuta e fapaneng ea ho roala | 0.1 – 2.0 mm |
| Ho ba le masoba | < 3% |
| Ho hanyetsa ho apara | Holimo |
Terata ea spray ea mocheso ea 420 SS ke tharollo e ntle haholo bakeng sa ho ntlafatsa litšobotsi tsa bokaholimo ba likarolo tse pepesehetseng ho tsofala le ho bola ho itekanetseng. Ho thatafala ha eona ho phahameng le ho hanyetsa ho tsofala ho etsa hore e lokele lits'ebetso tse hlokang ho koaheloa ho tšoarellang le ho tšoarella nako e telele. Ka ho sebelisa terata ea spray ea mocheso ea 420 SS, liindasteri li ka ntlafatsa haholo bophelo ba ts'ebeletso le ts'epo ea lisebelisoa le likarolo tsa tsona.
150 0000 2421