S890Q/S890QL/S890QL1 Sebopeho sa lik'hemik'hale %
| Lintho tse bonahalang |
Boleng |
C |
Mong |
Si |
P |
S |
| S890Q/S890QL/S890QL1 HSLA poleiti ea tšepe |
/ |
≤0.20 |
≤1.70 |
≤0.80 |
≤0.025 |
≤0.015 |
| L |
≤0.020 |
≤0.010 |
| L1 |
≤0.020 |
≤0.010 |
S890Q/S890QL/S890QL1 Mechini e ka har'a tafole
| Lintho tse bonahalang |
Matla a ho hlahisa σ0.2 MPa |
Matla a tiileng σb MPa |
Elongationδ5 % |
V Tšusumetso
Bolelele |
| ≥6-50 |
＞50-100 |
≥6 -50 |
＞50-100 |
| S890Q |
≥890 |
≥870 |
900-1060 |
≥13 |
-20℃ ≥30J |
| S890QL |
-40℃ ≥30J |
| S890QL1 |
-60℃ ≥30J |
S890QL Tšepe ea Mohaho e Tingoeng le e Tempehileng
Hot-Forming
Ho chesa ka holimo ho 580 ° C hoa khoneha. Ho tima le ho chesa ka mor'a moo ho tlameha ho etsoa ho ea ka maemo a ho pepa.
Milling
Ho cheka ka tšepe ea cobalt-alloyed high-speed steels HSSCO. Lebelo la ho itšeha e lokela ho ba hoo e ka bang 17 - 19 m/min. Haeba ho sebelisoa li-drill tsa HSS, lebelo la ho itšeha le lokela ho ba hoo e ka bang 3 - 5 m/min.
Ho Cheka lelakabe
Mocheso oa thepa e lokela ho ba bonyane RT bakeng sa ho khaola lelakabe. Ho feta moo, lithempereichara tse latelang tsa ho futhumatsa li buelloa bakeng sa botenya bo itseng ba poleiti: Bakeng sa botenya ba poleiti bo fetang 40mm, futhumatsa pele ho 100°C le bakeng sa botenya bo fetang 80mm, futhumatsa pele ho 150°C.
Welding
S890QL tšepe e loketse mekhoa eohle ea hona joale ea tjheseletsa. Mocheso oa thepa e lokela ho ba bonyane RT bakeng sa welding. Ntle le moo, lithempereichara tse latelang tsa preheating li khothaletsoa bakeng sa botenya bo itseng ba poleiti:
20mm - 40mm: 75°C
Ho feta 40mm: 100°C
60mm le ho feta: 150°C
Lipontšo tsena ke litekanyetso tse tloaelehileng feela, ha e le hantle, matšoao a SEW 088 a lokela ho lateloa.
Linako tsa t 8/5 li lokela ho ba pakeng tsa 5 le 25 s, ho itšetlehile ka mokhoa oa ho tjheseletsa o sebelisitsoeng. Haeba ho ka hlokahala hore ho be le ho kokobetsa khatello ea kelello ka mabaka a kaho, sena se lokela ho etsoa ka mocheso oa 530°C-580°C.
