ʻO ka Nickel Alloy Monel K-500, ka mea hoʻohuihui paʻakikī i ka wā kahiko, nona ka alumini a me ka titanium, e hoʻohui i nā hiʻohiʻona pale maikaʻi loa o Monel 400 me nā pono i hoʻohui ʻia o ka ikaika i hoʻonui ʻia, paʻakikī, a mālama i kona ikaika a hiki i ka 600°C. ʻO ke kūpaʻa pale o Monel K-500 ua like ia me ko Monel 400 koe wale nō, i ke kūlana paʻakikī i ka wā kahiko, ʻoi aku ka maʻalahi o Monel K-500 i ka haki ʻana o ka stress-corrosion ma kekahi mau wahi. ʻO kekahi o nā hoʻohana maʻamau o ka nickel alloy K-500 no nā ʻau pump, nā impellers, nā pahi lapaʻau a me nā scrapers, nā kola wili lua ʻaila, a me nā mea hana hoʻopau ʻē aʻe, nā ʻāpana uila, nā pūnāwai a me nā kaʻa valve. Hoʻohana nui ʻia kēia mea hoʻohuihui i nā noi ʻoihana moana a me ka ʻaila a me ke kinoea. I ka hoʻohālikelike ʻana, ʻoi aku ka maʻalahi o Monel 400, loaʻa nā hoʻohana he nui i nā hale, nā ʻauwai, a me nā ʻāpana hoʻolālā ma nā hale he nui, nā paipu o nā mea hoʻomehana wai hānai paila, nā noi wai kai (sheathing, nā mea ʻē aʻe), ke kaʻina hana alkylation HF, ka hana ʻana a me ka lawelawe ʻana i ka waikawa HF, a me ka hoʻomaʻemaʻe ʻana i ka uranium, distillation, nā ʻāpana condensation, a me nā paipu condenser overhead i nā refineries a me nā ʻoihana petrochemical, a me nā mea ʻē aʻe he nui. ʻO ka Hoʻohui Kemika
| Papa | Ni% | Cu% | Al% | Ti% | Fe% | Mn% | S% | C% | Si% |
| Monel K500 | 63 minuke | 27.0-33.0 | 2.30-3.15 | 0.35-0.85 | Max 2.0 | 1.5 kiʻekiʻe loa | Max 0.01 | Max 0.25 | Max 0.5 |
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