Libolo tse sa hloekang tsa 440 / 440C
|
Paramente |
Lintlha tsa sehlahisoa |
|
Lebitso sehlahisoa: |
Ball ea tšepe ea 440/440 |
|
Lintho tse bonahalang: |
440 / 440C |
|
Boholo: |
0.3mm-80mm |
|
Thatafala: |
HRC58-62 |
|
Tlhahiso e tloaelehileng: |
ISO3290 2001 GB / T308.1-2013 DIN5401-2002 |
|
Lik'hemik'hale ea libolo tse sa hloekang tsa 440C |
|
|
C |
0.95-1.20% |
|
Kr |
16.0-18.0% |
|
Si |
1,00% Boholo |
|
Mong |
1,0% Boholo. |
|
P |
0,040% Max |
|
S |
0,030% Max |
|
Mong |
0.40-0.80% |
|
Ke |
0,60% Max |
440—Sesebelisoa se phahameng sa matla a ho itšeha se nang le khabone e phahameng haholo. Kamora kalafo e nepahetseng ea mocheso, ho ka fumanoa matla a phahameng a chai. Boima bo ka fihla ho 58HRC, e leng e 'ngoe ea lisebelisoa tse thata ka ho fetisisa tse sa hloekang. Mohlala o tloaelehileng oa ts'ebeliso ke "lehare". Ho na le mefuta e meraro e sebelisoang haholo: 440A, 440B, 440C, le 440F (e bonolomofuta oa ts'ebetso).
Molao-motheo oa bolo celik:
Lisebelisoa tse se nang tšepe ha li na mafome, empa ha ho bonolo ho rusa. Molao-motheo ke hore ka ho kenyelletsa chromium, ho thehoa lera le teteaneng la chromium oxide ka holim'a tšepe, e ka thibelang kamano e ntle hape pakeng tsa tšepe le moea, e le hore oksijene e moeeng e se ke ea kenella ka hara ts'epe. bolo, ka tsela eo e thibela Phello ea libolo tsa tšepe tse rusang.
Melao ea Naha ea China (CNS), Litekanyetso tsa Liindasteri tsa Japane (jis) le American Iron and Steel Institute (AISI) li sebelisa linomoro tse tharo ho bonts'a litšepe tse fapaneng tse sa hloekang, tse qotsitsoeng haholo indastering, eo letoto la eona la 200 e leng chromium-nickel-manganese -based austenitic Stainless tšepe, 300 letoto la lihlooho tse chromium-nikele austenitic celik, 400 letoto la lihlooho tse chromium celik (tsejoang e le celik), ho akarelletsa le martensite le ferrite.
