Electrode ea ho Welding ea Tšepe e Tlase ea Motsoako o Tlase
J556Fe
GB/T E5518-G
AWS E8018-G
Tlhaloso: J556fe ke electrode ea tšepe e nang le motsoako o tlase e nang le phofo ea tšepe le sekoahelo se nang le haeterojene e tlase. AC le DC ka bobeli li ka sebelisoa, 'me li ka kopanngoa libakeng tsohle.
Tšebeliso: E sebelisetsoa ho tjheseletsa tšepe ea khabone e mahareng le meaho ea tšepe e nang le motsoako o tlase joalo ka Q390.
Sebopeho sa lik'hemik'hale sa tšepe e welded (%):
| C | Mn | Si | S | P |
| ≤0.12 | ≥1.00 | ≤0.80 | ≤0.035 | ≤0.035 |
Litšobotsi tsa mechini tsa tšepe e welded:
| Ntho ea teko | Matla a tšepe Mpa | Matla a tlhahiso Mpa | Ho lelefatsa % | Boleng ba tšusumetso (J) -40℃ |
| E tiiselitsoe | ≥540 | ≥440 | ≥17 | ≥27 |
Tekanyo ea haedrojene e hasaneng ea tšepe e bolokiloeng: ≤10.0mL/100g (mokhoa oa mercury kapa chromatography ea khase)
Tlhahlobo ea X-ray: Kereiti ea I
Khoeli e khothaletsoang:
| (mm) Bophara ba molamu | 2.5 | 3.2 | 4.0 | 5.0 |
| (A) ho tjheseletsa hona joale | 70 ~ 110 | 100 ~ 140 | 140 ~ 170 | 190 ~ 240 |
Tsebiso:
1. Electrode e lokela ho besoa hora e le 'ngoe mochesong oa 350℃ pele ho ts'ebetso ea ho tjheseletsa;
2. Ho bohlokoa ho hlwekisa mafome, sekala sa oli, metsi le litšila likarolong tsa ho tjheseletsa pele ho tjheseletsa;
3. Sebelisa ts'ebetso e khutšoanyane ea arc ha u tjheseletsa. Tsela e moqotetsane ea ho tjheseletsa e loketse.
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