Nickel da Nickel Alloy Welding Electrode
Ni327-4
GB/T ENi6276
AWS A5.11 ENiCrMo-4
Bayani: Ni327-4 na'urar lantarki ne na tushen nickel tare da ƙarancin sodium mai ƙarancin hydrogen.Yi amfani da DCEP (lantarki na yanzu kai tsayetabbatacce).Yana da kyakkyawan aikin walda tare da barga mai ƙonewa, ƙarancin spatter, sauƙin cire slag,
da kyau weld.Kayan aikin injiniya na karfen da aka ajiye sun kasance barga.
Aikace-aikace: An yi amfani da shi don walda ƙarancin carbon nickel-chromium-molybdenum gami, kamar Hastelloy C276, ASTM B574, B575, B619, B622, B626, kuma ana iya amfani da su don walda ƙarancin ƙarfe tare da sauran gami da tushen nickel.
Abubuwan sinadaran na weld karfe(%):
| 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 | Sauran |
| 3.0 ~ 4.5 | ≤2.5 | 4.0 ~ 7.0 | ≤0.015 | ≤0.020 | ≤0.5 |
Abubuwan kayan aikin walda:
| Gwaji abu | Ƙarfin ƙarfi Mpa | Ƙarfin bayarwa Mpa | Tsawaitawa % |
| Garanti | ≥ 690 | ≥400 | ≥22 |
Shawarwari na yanzu:
| Diamita na sanda (mm) da | 2.5 | 3.2 | 4.0 |
| Welding halin yanzu (A) | 60 ~ 90 | 70 ~ 110 | 90 ~ 150 |
Sanarwa:
1. Dole ne a toya wutar lantarki na awa 1 a kusa da 300 ℃ kafin aikin walda.Gwada amfani da gajeriyar baka don walda;
2. Yana da mahimmanci a tsaftace tsatsa, mai, ruwa, da datti akan sassan walda kafin walda.
3. Yi ƙoƙarin amfani da ƙaramin ƙarfin layi lokacin waldawa, Multi-Layer da Multi-pass waldi.
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