ʻElekode Kuʻihao Nickel a me Nickel Alloy
Ni327-4
GB/T ENi6276
AWS A5.11 ENiCrMo-4
Wehewehe: ʻO Ni327-4 kahi electrode nickel me ka uhi sodium haʻahaʻa-hydrogen. E hoʻohana i ka DCEP (electrode au pololeimaikaʻi). Loaʻa iā ia ka hana kuʻihao maikaʻi loa me ka puhi ʻana o ke arc paʻa, ka liʻiliʻi o ka spatter, ka wehe maʻalahi ʻana i ka slag,
a me ka wili nani. He paʻa nā waiwai mechanical o ka metala i waiho ʻia.
Hoʻohana: Hoʻohana ʻia no ka hoʻopili ʻana i nā hui nickel-chromium-molybdenum kalapona haʻahaʻa, e like me Hastelloy C276, ASTM B574, B575, B619, B622, B626, a hiki ke hoʻohana ʻia no ka hoʻopili ʻana i nā kila like ʻole me nā hui nickel ʻē aʻe.
Ka hoʻohuihui kemika o ka metala i hoʻoheheʻe ʻia (%):
| 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 | ʻĒ aʻe |
| 3.0 ~ 4.5 | ≤2.5 | 4.0 ~ 7.0 | ≤0.015 | ≤0.020 | ≤0.5 |
Nā ʻano mechanical o ka metala i hoʻoheheʻe ʻia:
| Mea hoʻāʻo | Ikaika tensile Mpa | Ikaika hāʻawi Mpa | Hoʻolōʻihi % |
| Hōʻoiaʻiʻo ʻia | ≥690 | ≥400 | ≥22 |
Manaʻo ʻia kēia manawa:
| Anawaena o ke koʻokoʻo (mm) | 2.5 | 3.2 | 4.0 |
| Au wili (A) | 60 ~ 90 | 70 ~ 110 | 90 ~ 150 |
Hoʻolaha:
1. Pono e hoʻomoʻa ʻia ka electrode no 1 hola ma kahi o 300 ℃ ma mua o ka hana kuʻihao. E hoʻāʻo e hoʻohana i kahi arc pōkole e kuʻihao ai;
2. He mea nui e hoʻomaʻemaʻe i ka ʻōpala, ka ʻaila, ka wai, a me nā mea haumia ma nā ʻāpana kuʻihao ma mua o ka kuʻihao ʻana.
3. E hoʻāʻo e hoʻohana i ka ikehu laina liʻiliʻi i ka wā e kuʻi ai, ka kuʻi multi-layer a me ka multi-pass.






