Nickel ati Nickel Alloy Welding Electrode
Ni327-4
GB/T ENi6276
Aws A5.11 ENiCrMo-4
Apejuwe: Ni327-4 jẹ elekiturodu ti o da lori nickel pẹlu ideri iṣuu soda kekere-hydrogen.Lo DCEP (elekiturodu lọwọlọwọ taararere).O ni iṣẹ alurinmorin ti o dara julọ pẹlu ijona aaki iduroṣinṣin, spatter ti o dinku, yiyọ slag rọrun,
ati ki o lẹwa weld.Awọn ohun-ini ẹrọ ti irin ti a fi silẹ jẹ iduroṣinṣin.
Ohun elo: Lo fun alurinmorin kekere-carbon nickel-chromium-molybdenum alloys, gẹgẹ bi awọn Hastelloy C276, ASTM B574, B575, B619, B622, B626, ati ki o le tun ti wa ni lo fun alurinmorin dissimilar steels pẹlu miiran nickel-orisun alloys.
Apapọ kemikali ti irin weld (%):
| 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 | Omiiran |
| 3.0 ~ 4.5 | ≤2.5 | 4.0 ~ 7.0 | ≤0.015 | ≤0.020 | ≤0.5 |
Awọn ohun-ini ẹrọ ti irin weld:
| Ohun elo idanwo | Agbara fifẹ Mpa | Agbara ikore Mpa | Ilọsiwaju % |
| Ẹri | ≥690 | ≥400 | ≥22 |
Iṣeduro lọwọlọwọ:
| Opa opin (mm) | 2.5 | 3.2 | 4.0 |
| Alurinmorin lọwọlọwọ (A) | 60 ~ 90 | 70 ~ 110 | 90 ~ 150 |
Akiyesi:
1. Awọn elekiturodu gbọdọ wa ni ndin fun1 wakati ni ayika 300 ℃ ṣaaju ki o to alurinmorin isẹ ti.Gbiyanju lati lo arc kukuru lati weld;
2. O ṣe pataki lati nu ipata, epo, omi, ati awọn idoti lori awọn ẹya alurinmorin ṣaaju ṣiṣe alurinmorin.
3. Gbiyanju lati lo kekere agbara ila nigba alurinmorin, olona-Layer ati olona-kọja alurinmorin.
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