Nickel uye Nickel Alloy Welding Electrode
Ni307-7
GB/T ENi6152
AWS A5.11 ENCrFe-7
Tsanangudzo: Ni307-7 is nickel-based electrode ine low-hydrogen sodium coating.Shandisa DCEP (yakananga ikozvino electrodepositive).Iyo ine yakanakisa welding performance ine yakagadzikana arc combustion, shoma spatter, nyore kubvisa slag,uye weld yakanaka.Iyo simbi yakaiswa ine yakagadzikana michina zvivakwa uye yakanaka corrosion resistance mukatihigh-temperature oxidizing uye sulfur-containing atmospheres.
Chishandiso:Inoshandiswa muinjiniya yenyukireya, sulfuric acid, nitric acid uye hydrogen fluorine kugadzira michina, senge nickel 690 alloy, ASTM B166, B167, b168, nezvimwewo, inogona zvakare kushandiswa kugadzira nickel-chromium iron uye simbi isina tsvina uye corrosion yakatarisana. -resistant layers pasimbi.
Kemikari yakagadzirwa nesimbi weld (%):
| C | Mn | Fe | Si | Ni | Cr |
| ≤0.05 | ≤5.0 | 7.0 ~ 12.0 | ≤0.8 | ≥50.0 | 28.0 ~ 31.5 |
| Cu | Mo | Nb | S | P | Zvimwe |
| ≤0.5 | ≤0.5 | 1.0 ~ 2.5 | ≤0.015 | ≤0.020 | ≤0.5 |
Mechanical zvimiro zve weld simbi:
| Test chinhu | Kusimba simba Mpa | Goho simba Mpa | Elongation % |
| Guaranteed | ≥550 | ≥360 | ≥27 |
Yazvino inokurudzirwa:
| Tsvimbo dhayamita (mm) | 2.5 | 3.2 | 4.0 |
| Welding ikozvino (A) | 60 ~ 90 | 80 ~ 110 | 110 ~ 150 |
Cherechedza:
1. Elekitirodhi inofanira kubikwa kweawa imwe panguva inenge 300 ℃ isati yaitwa welding;
2. Zvakakosha kuchenesa dzine ngura, oiri, mvura, uye tsvina pazvikamu zvinonamatwa tisati tapisa.Edza kushandisa arc pfupi kuti weld.
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