Na'urar Walda ta Nickel da Nickel Alloy
Ni327-4
GB/T ENi6276
AWS A5.11 ENiCrMo-4
Bayani: Ni327-4 lantarki ne mai tushen nickel tare da rufin sodium mai ƙarancin hydrogen. Yi amfani da DCEP (electrode na yanzu kai tsaye).yana da kyakkyawan aikin walda tare da ƙonewa mai ƙarfi, ƙarancin fesawa, da sauƙin cire slag,
da kuma kyakkyawan walda. Halayen injinan ƙarfe da aka ajiye suna da ƙarfi.
Aikace-aikace: Ana amfani da shi don walda ƙarfe masu ƙarancin carbon kamar su Hastelloy C276, ASTM B574, B575, B619, B622, B626, kuma ana iya amfani da shi don walda ƙarfe daban-daban tare da sauran ƙarfe masu tushen nickel.
Sinadarin sinadarai na ƙarfen walda(%):
| 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 | Wani |
| 3.0 ~ 4.5 | ≤2.5 | 4.0 ~ 7.0 | ≤0.015 | ≤0.020 | ≤0.5 |
Kayan aikin injiniya na ƙarfe na walda:
| Gwaji abu | Ƙarfin tauri Mpa | Ƙarfin bayarwa Mpa | Ƙarawa % |
| An Garanti | ≥690 | ≥400 | ≥22 |
Shawarar da ake bayarwa:
| Diamita na sanda (mm) | 2.5 | 3.2 | 4.0 |
| Walda na yanzu (A) | 60 ~ 90 | 70 ~ 110 | 90 ~ 150 |
Sanarwa:
1. Dole ne a gasa wutar lantarki na tsawon awa 1 a kusan digiri 300 kafin a fara aikin walda. Yi ƙoƙarin amfani da ɗan gajeren baka don walda;
2. Yana da mahimmanci a tsaftace tsatsa, mai, ruwa, da ƙazanta a kan sassan walda kafin a yi walda.
3. Yi ƙoƙarin amfani da ƙaramin ƙarfin layi yayin walda, walda mai layuka da yawa da walda mai wucewa da yawa.
