Nikkel iyo nikkel Alloy alxanka Electrode
Ni327-4
GB/T ENi6276
AWS A5.11 ENiCrMo-4
Sharaxaad: Ni327-4 waa koronto ku salaysan nikkel oo leh daahan sodium-hydrogen hooseeya.Isticmaal DCEP (electrode toos ah haddatogan).Waxay leedahay waxqabadka alxanka oo aad u fiican oo leh gubasho qallafsan oo deggen, spatter yar, si fudud u saarista slag,
iyo alxanka quruxda badan.Qalabka farsamada ee birta la dhigay waa mid deggan.
Codsiga: Waxaa loo isticmaalaa alxanka-carbon-kaarboon-yar ee nikkel-chromium-molybdenum alloys, sida Hastelloy C276, ASTM B574, B575, B619, B622, B626, waxaana sidoo kale loo isticmaali karaa alxanka birta la midka ah ee alwaaxyada kale ee nikkel ku salaysan.
Halabuurka kiimikada ee birta alxanka (%):
| 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 | Mid kale |
| 3.0 ~ 4.5 | ≤2.5 | 4.0 ~ 7.0 | ≤0.015 | ≤0.020 | ≤0.5 |
Qalabka makaanikada ee birta alxanka:
| Shayga tijaabi | Xoog xajin Mpa | Xoog soo saar Mpa | Dheeraynta % |
| La damaanad qaaday | ≥690 | ≥400 | ≥22 |
Hadda lagu taliyay:
| Dhexroor usheeda (mm) | 2.5 | 3.2 | 4.0 |
| Hadda alxanka (A) | 60 ~ 90 | 70 ~ 110 | 90 ~ 150 |
Ogaysiis:
1. Korodhka waa in lagu dubaa 1 saac ku dhawaad 300 ℃ ka hor inta aan la alxankarin.Isku day inaad isticmaasho qaanso gaaban si aad u alxankato;
2. Waa lagama maarmaan in la nadiifiyo miridhku, saliidda, biyaha, iyo wasakhda qaybaha alxanka ka hor.
3. Isku day inaad isticmaasho tamar khadka yar marka alxanka, lakabka badan iyo alxanka baasaska badan.
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