Ngwunye Electrode nke Nickel na Nickel Alloy
Ni327-4
GB/T ENi6276
AWS A5.11 ENiCrMo-4
Nkọwa: Ni327-4 bụ elektrọd dabere na nickel nwere mkpuchi sodium dị ala. Jiri DCEP (elektrọd ugbu a kpọmkwem).dị mma). Ọ nwere arụmọrụ ịgbado ọkụ dị mma yana ọkụ arc kwụsiri ike, obere mgbawa, na iwepụ slag dị mfe,
na njikọta mara mma. Njirimara igwe nke ígwè e tinyere n'ime ya kwụsiri ike.
Ngwa: A na-eji ya agbakọta ihe ndị nwere obere carbon nickel-chromium-molybdenum, dịka Hastelloy C276, ASTM B574, B575, B619, B622, B626, a pụkwara iji ya agbakọta ihe ndị dị iche na ihe ndị ọzọ nwere nickel.
Ngwakọta kemịkalụ nke ígwè 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 | Ndị ọzọ |
| 3.0 ~ 4.5 | ≤2.5 | 4.0 ~ 7.0 | ≤0.015 | ≤0.020 | ≤0.5 |
Njirimara mekaniki nke igwe weld:
| Ihe nnwale | Ike ọdụdọ Mpa | Ike mmeputa Mpa | Ogologo % |
| Ekwere nkwa | ≥690 | ≥400 | ≥22 |
Ugbu a akwadoro:
| Dayameta mkpanaka (mm) | 2.5 | 3.2 | 4.0 |
| Ịgbado ọkụ ugbu a (A) | 60 ~ 90 | 70 ~ 110 | 90 ~ 150 |
Rịba ama:
1. A ga-emerịrị elektrọd ahụ ruo otu awa na ihe dị ka 300℃ tupu a rụọ ọrụ ịgbado ọkụ. Gbalịa iji obere arc iji gbado ọkụ;
2. Ọ dị mkpa ịsacha ihe ndị ruru unyi, mmanụ, mmiri, na ihe ndị na-adịghị mma dị n'akụkụ ịgbado ọkụ tupu ịgbado ọkụ.
3. Gbalịa iji obere ike ahịrị mgbe ị na-agbado ọkụ, ịgbado ọkụ ọtụtụ oyi akwa na ịgbado ọkụ ọtụtụ ngafe.






