Nickel na Nickel Alloy Welding Electrode
Ni307-2
GB/T ENi6133
AWS A5.11ENiCrFe-2
Nkọwa: Ni307-2 bụ electrode dabeere na nickel nke nwere mkpuchi sodium dị ala.Jiri DCEP (ezigbo electrode ugbu a kpọmkwem).Ebe ọ bụ na weld nwere ụfọdụ molybdenum, niobium na ihe ndị ọzọ na-emepụta ihe, metal ahụ a na-edebe nwere ezigbo nkwụsị mgbape.
Ngwa: Eji maka ịgbado ọkụ nickel-chromium-iron alloys (dị ka UNS N08800, UNS N06600), karịsịa adabara ịgbado ọkụ nke dissimilar ọla, mgbanwe oyi akwa ịgbado ọkụ na surfacing ịgbado ọkụ, na nwekwara ike-eji mgbe na-arụ ọrụ okpomọkụ bụ 980 Celsius C. ma ọ nwere ike iguzogide oxidation mgbe okpomọkụ dị elu karịa 820 Celsius C Mbelata mmekọahụ na ike.
Ngwakọta kemịkalụ nke igwe weld (%):
| C | Mn | Fe | Si | Cu | Ni |
| ≤0.10 | 1.0-3.5 | ≤12.0 | ≤0.8 | ≤0.5 | ≥62.0 |
| Cr | Nb + Ta | Mo | S | P | Ndị ọzọ |
| 13.0 ~ 17.0 | 0.5-3.0 | 0.5-2.5 | ≤0.015 | ≤0.020 | ≤0.50 |
Njirimara nke igwe weld metal:
| Nwalee ihe | Ike ọdụdọ Mpa | Mpụta ike Mpa | Ogologo oge % |
| Ekwenyere | ≥550 | ≥360 | ≥27 |
Akwadoro ugbu a:
| Dayameta mkpanaka (mm) | 2.5 | 3.2 | 4.0 | 5.0 |
| Welding ugbu a (A) | 60 ~ 90 | 80 ~ 100 | 110 ~ 150 | 130 ~ 180 |
Mara:
1. The electrode ga-abụọ maka 1 hour na gburugburu 300 ℃ tupu ịgbado ọkụ ọrụ;
2. Ọ dị mkpa iji kpochaa nchara, mmanụ, mmiri na adịghị ọcha na akụkụ ịgbado ọkụ tupu ịgbado ọkụ.Gbalịa iji obere arc iji weld.
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