Nickel ati Nickel Alloy Welding Electrode
Ni307-2
GB/T ENi6133
Aws A5.11ENiCrFe-2
Apejuwe: Ni307-2 jẹ elekiturodu ti o da lori nickel pẹlu ideri iṣuu soda kekere-hydrogen.Lo DCEP (daadaa elekiturodu lọwọlọwọ taara).Niwọn igba ti weld ni iye kan ti molybdenum, niobium ati awọn eroja alloying miiran, irin ti a fi silẹ ni o ni idena kiraki to dara.
Ohun elo: Lo fun alurinmorin nickel-chromium-irin alloys (gẹgẹ bi awọn UNS N08800, UNS N06600), paapa dara fun alurinmorin ti dissimilar awọn irin, orilede Layer alurinmorin ati surfacing alurinmorin, ati ki o tun le ṣee lo nigbati awọn ṣiṣẹ otutu ni 980 ° C. ṣugbọn o le koju ifoyina nigbati iwọn otutu ba ga ju 820 ° C Ibalopọ ati kikankikan dinku.
Apapọ kemikali ti irin 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 | Omiiran |
| 13.0 ~ 17.0 | 0.5 ~ 3.0 | 0.5 ~ 2.5 | ≤0.015 | ≤0.020 | ≤0.50 |
Awọn ohun-ini ẹrọ ti irin weld:
| Ohun elo idanwo | Agbara fifẹ Mpa | Agbara ikore Mpa | Ilọsiwaju % |
| Ẹri | ≥550 | ≥360 | ≥27 |
Iṣeduro lọwọlọwọ:
| Opa opin (mm) | 2.5 | 3.2 | 4.0 | 5.0 |
| Alurinmorin lọwọlọwọ (A) | 60 ~ 90 | 80 ~ 100 | 110 ~ 150 | 130 ~ 180 |
Akiyesi:
1. Awọn elekiturodu gbọdọ wa ni ndin fun1 wakati ni ayika 300 ℃ ṣaaju ki o to alurinmorin isẹ;
2. O ṣe pataki lati nu ipata, epo, omi, ati awọn idoti lori awọn ẹya alurinmorin ṣaaju ṣiṣe alurinmorin.Gbiyanju lati lo aaki kukuru lati weld.
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