Nickel a me Nickel AlloywiliwiliElectrode
Ni327-3
GB/T ENi6625
ʻO ka wehewehe: ʻO Ni327 -3 kahi electrode nickel-based me ka haʻahaʻa-hydrogen sodium coating.E hoʻohana i ka DCEP (direct current electrodemaikaʻi).ʻO ka metala i hoʻopaʻa ʻia he plasticity maikaʻi loa, paʻakikī a me ke kūʻē ʻana, a he ikaika kiʻekiʻe a me ke kūpaʻa corrosion ikaika ma ka lumi wela a me ke kiʻekiʻe.
Hoʻohana: Hoʻohana ʻia ia no ka hoʻopaʻa ʻana i nā ʻāpana nickel-chromium-molybdenum, ʻoi aku ka hoʻopili ʻana a me ke alo o UNS N06625 alloys a me nā ʻano kila ʻē aʻe a me nā nickel-chromium-molybdenum alloy composite steels, a hiki ke hoʻohana ʻia no ka welding Ni9% kila ma lalo. kūlana wela haʻahaʻa.
ʻO ka hui kemika o ka weld metala(%):
| C | Mn | Si | Cr | Ni | Mo |
| ≤0.10 | ≤2.0 | ≤0.8 | 20.0 ~ 23.0 | ≥55.0 | 8.0 ~ 10.0 |
| Fe | Cu | Nb + Ta | S | P | 'ē aʻe |
| ≤7.0 | ≤0.5 | 3.0 ~ 4.2 | ≤0.015 | ≤0.020 | ≤0.5 |
Nā waiwai mīkini o ka weld metala:
| Mea ho'āʻo | Ka ikaika tensile Mpa | Hua ikaika Mpa | ʻO ka lōʻihi % |
| Hōʻoiaʻiʻo | ≥760 | ≥420 | ≥27 |
Manaʻo ʻia i kēia manawa:
| Anawaena lāʻau （mm） | 2.5 | 3.2 | 4.0 |
| wiliwilikēia manawa （A） | 50 ~ 70 | 80 ~ 100 | 110 ~ 150 |
Hoʻolaha:
- Pono e kālua ʻia ka electrode no 1 hola ma kahi o 300 ℃ ma mua o ka hana wili.E ho'āʻo e hoʻohana i kahi pōkā pōkole e wili ai；
- He mea nui e hoʻomaʻemaʻe i ka ʻōpala, ka aila, ka wai, a me nā haumia ma nā ʻāpana wili ma mua o ka wili ʻana.
3. E ho'āʻo e hoʻohana i ka ikehu laina liʻiliʻi i ka wā e wiliwili ai, multi-layer a me multi-pass welding.
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