Na'urar Walda ta Nickel da Nickel Alloy
Ni307-3
GB/T ENi6182
AWS A5.11 ENiCrFe-3
Bayani: Ni307-3nickel-electrode mai ƙarancin hydrogen sodium. Yi amfani da DCEP (mai nuna halin yanzu kai tsaye). Yana da kyakkyawan juriya ga tsagewa saboda walda tana ɗauke da wani adadin manganese, niobium, da sauran abubuwan da ke haɗa ƙarfe.
Aikace-aikace: Ana amfani da shi don walda nanickel- ƙarfe mai kama da chromium (kamar UNS N06600) da kuma saman ƙarfe. Yanayin zafin aiki gabaɗaya bai wuce 480 ° C ba, kuma juriyar tsagewa tana da kyau. Ya dace da matsi na tanderun atomic da walda na tankin sinadarai.
Sinadarin sinadarai na ƙarfen walda(%):
| C | Mn | Fe | P | S | Si | Cu |
| ≤0.10 | 5.0 ~ 10.0 | ≤10.0 | ≤0.020 | ≤0.015 | ≤1.0 | ≤0.5 |
| Ni | Ti | Mo | Nb | Ta | Wani |
|
| ≥60.0 | ≤1.0 | 13.0 ~ 17.0 | 1.0 ~ 3.5 | ≤0.30 | ≤0.50 |
|
Kayan aikin injiniya na ƙarfe na walda:
| Gwaji abu | Ƙarfin tauri Mpa | Ƙarfin bayarwa Mpa | Ƙarawa % |
| An Garanti | ≥550 | ≥360 | ≥27 |
Shawarar da ake bayarwa:
| Diamita na sanda (mm) | 2.5 | 3.2 | 4.0 | 5.0 |
| Walda na yanzu (A) | 60 ~ 90 | 80 ~ 100 | 110 ~ 150 | 130 ~ 180 |
Sanarwa:
1. Dole ne a gasa wutar lantarki na tsawon awa 1 a kusan 300℃ kafin a fara aikin walda;
2. Yana da mahimmanci a tsaftace tsatsa, mai, ruwa, da ƙazanta a kan sassan walda kafin a yi walda. Yi ƙoƙarin amfani da ɗan gajeren baka don walda.
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