Nickel ndi Nickel Alloy Welding Electrode
N327-4
GB/T ENi6276
AWS A5.11 ENCrMo-4
Kufotokozera: Ni327-4 ndi electrode yochokera ku nickel yokhala ndi zokutira zotsika za haidrojeni.Gwiritsani ntchito DCEP (elekitirodi yamakonozabwino).Ili ndi ntchito yabwino kwambiri yowotcherera yokhala ndi kuyaka kokhazikika kwa arc, sipatter yochepa, kuchotsa mosavuta slag,
ndi weld wokongola.The makina katundu wa waikamo zitsulo ndi okhazikika.
Ntchito: Ntchito kuwotcherera otsika mpweya faifi tambala-chromium-molybdenum aloyi, monga Hastelloy C276, ASTM B574, B575, B619, B622, B626, ndipo angagwiritsidwe ntchito kuwotcherera zitsulo zosiyana ndi ma aloyi ena faifi tambala.
Chemical zikuchokera weld zitsulo (%):
| 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 | Zina |
| 3.0 ~ 4.5 | ≤2.5 | 4.0 ~ 7.0 | ≤0.015 | ≤0.020 | ≤0.5 |
Zimango za weld zitsulo:
| Yesani chinthu | Kulimba kwamakokedwe Mpa | Zokolola mphamvu Mpa | Elongation % |
| Zotsimikizika | ≥690 | ≥400 | ≥22 |
Zomwe tikulimbikitsidwa:
| Ndodo diameter (mm) | 2.5 | 3.2 | 4.0 |
| Welding panopa (A) | 60-90 | 70 ~ 110 | 90-150 |
Zindikirani:
1. Elekitirodi iyenera kuphikidwa kwa ola limodzi mozungulira 300 ℃ musanayambe kuwotcherera.Yesani kugwiritsa ntchito arc lalifupi kuti muwotchere;
2. M'pofunika kuyeretsa dzimbiri, mafuta, madzi, ndi zonyansa pazigawo zowotcherera musanayambe kuwotcherera.
3. Yesani kugwiritsa ntchito mphamvu ya mzere waung'ono powotcherera, ma multilayer ndi ma pass-pass kuwotcherera.
Zogwirizana nazo
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