Nickel le Nickel Alloy Welding Electrode
Ni327-4
GB/T ENi6276
AWS A5.11 ENCrMo-4
Tlhaloso: Ni327-4 ke electrode e thehiloeng ho nickel e nang le lesela le tlaase la hydrogen sodium.Sebelisa DCEP (electrode ea hona joale e tobilengntle).E na le ts'ebetso e ntle ea welding e nang le mollo o tsitsitseng oa arc, spatter e nyane, ho tlosa slag habonolo,
le weld e ntle.Thepa ea mechine ea tšepe e behiloeng e tsitsitse.
Kopo: E sebelisetsoa ho tjheseletsa li-alloys tsa nickel-chromium-molybdenum tse nang le carbon e tlaase, tse kang Hastelloy C276, ASTM B574, B575, B619, B622, B626, hape e ka sebelisoa bakeng sa ho tjheseletsa litšepe tse sa tšoaneng ka li-alloys tse ling tse thehiloeng ho nickel.
Sebopeho sa lik'hemik'hale tsa tšepe ea weld(%):
| C | Mn | Si | Cr | Ni | Mo |
| ≤0.02 | ≤1.0 | ≤0.2 | 14,5 ~ 16,5 | ≥50.0 | 15.0 ~ 17.0 |
| W | Co | Fe | S | P | Tse ding |
| 3.0 ~ 4.5 | ≤2.5 | 4.0 ~ 7.0 | ≤0.015 | ≤0.020 | ≤0.5 |
Mechine ea tšepe ea weld:
| Ntho ea teko | Matla a tšepe Mpa | Ho hlahisa matla Mpa | Elongation % |
| Guaranteed | ≥690 | ≥400 | ≥22 |
Nako e khothalelitsoeng:
| Bophara ba molamu (mm) | 2.5 | 3.2 | 4.0 |
| Hona joale welding (A) | 60 ~ 90 | 70 ~ 110 | 90 ~ 150 |
Tlhokomeliso:
1. Electrode e tlameha ho behoa hora e le 1 ho pota 300 ℃ pele ho ts'ebetso ea welding.Leka ho sebelisa arc e khuts'oane ho cheselletsa;
2. Ke habohlokoa hore u hloekise mafome, oli, metsi le litšila holim'a likarolo tsa ho cheseletsa pele u cheselletsa.
3. Leka ho sebelisa matla a mohala o monyane ha ho tjheseletsa, ho etsa li-multi-layer le multi-pass welding.
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