Tšepe ea Mocheso o TlaseWeldingElectrode
W707Ni
GB/T E5515-C1
Tlhaloso: W707Ni ke elektrode ea tšepe e nang le mocheso o tlase o nang le Ni ka har'a coating e tlase ea hydrogen sodium.Sebelisa DCEP (electrode e nepahetseng hona joale) 'me e ka chesetsoa maemong ohle.Tšepe e kentsoeng e ntse e na le matla a ts'usumetso e ntle ho -70°C.
Kopo: E sebelisetsoa ho tjheseletsa tšepe ea mocheso o tlase joalo ka 2.5Ni.
Sebopeho sa lik'hemik'hale tsa tšepe ea weld(%):
C | Mn | Si | Ni | S | P |
≤0.12 | ≤1.25 | ≤0.60 | 2.00 ~ 2,75 | ≤0.020 | ≤0.025 |
Mechine ea tšepe ea weld:
Ntho ea teko | Matla a tšepe Mpa | Ho hlahisa matla Mpa | Elongation % | Boleng ba tšusumetso (J) -70 ℃ |
Guaranteed | ≥540 | ≥440 | ≥17 | ≥27 |
Diffusion hydrogen content of deposited metal: ≤6.0mL/100g (glycerin method) kapa ≤10mL/100g (mercury or gas chromatography method)
Tlhahlobo ea X-ray: Ke ea sehlopheng
Nako e khothalelitsoeng:
(mm) Bophara ba molamu | 2.0 | 2.5 | 3.2 | 4.0 | 5.0 |
(A) Welding Current | Lilemo tse 40-70 | 60 ~ 90 | 90 ~ 120 | 140 ~ 180 | 170 ~ 210 |
Tlhokomeliso:
- Electrode e tlameha ho behoa bakeng sa hora e le 1 ho 350 ℃ pele ho ts'ebetso ea welding;
- Ho bohlokoa ho hloekisa mafome, sekala sa oli, metsi le litšila holim'a likarolo tsa tjheseletsa pele ho tjheseletsa;
- Leka ho sebelisa matla a mohala o monyane ha ho tjheseletsa, ho tjheseletsa ka mehala e mengata le ho tjheseletsa tse ngata.