Ngwunye Electrode nke Nickel na Nickel Alloy
Ni307-2
GB/T ENi6133
AWS A5.11ENiCrFe-2
Nkọwa: Ni307-2 bụ elektrọd dabere na nickel nwere mkpuchi sodium dị ala. Jiri DCEP (elektrọd ugbu a dị mma). Ebe ọ bụ na ihe e ji agwakọta ya nwere ụfọdụ molybdenum, niobium na ihe ndị ọzọ na-agwakọta ya, ígwè e tinyere n'ime ya nwere ezigbo iguzogide mgbawa.
Ngwa: A na-eji ya agbakọta ihe ndị yiri ya na nickel-chromium-iron (dịka UNS N08800, UNS N06600), nke dabara adaba maka ịgbado ígwè dị iche iche, ịgbado oyi akwa mgbanwe na ịgbado ọkụ, a pụkwara iji ya mgbe okpomọkụ ọrụ dị 980 ° C, mana ọ nwere ike iguzogide oxidation mgbe okpomọkụ dị elu karịa 820 ° C. Mmekọahụ na ike ya belatara.
Ngwakọta kemịkalụ nke ígwè 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 mekaniki nke igwe weld:
| Ihe nnwale | Ike ọdụdọ Mpa | Ike mmeputa Mpa | Ogologo % |
| Ekwere nkwa | ≥550 | ≥360 | ≥27 |
Ugbu a akwadoro:
| Dayameta mkpanaka (mm) | 2.5 | 3.2 | 4.0 | 5.0 |
| Ịgbado ọkụ ugbu a (A) | 60 ~ 90 | 80 ~ 100 | 110 ~ 150 | 130 ~ 180 |
Rịba ama:
1. A ga-emerịrị electrode ahụ maka otu awa na ihe dị ka 300℃ tupu a rụọ ọrụ ịgbado 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. Gbalịa iji obere arc ịgbado ọkụ.










