Ka wehewehe nui
ʻO ka Inconel 718 he mea paʻakikī paʻakikī i ka makahiki i hiki ke pale i ka corrosion. ʻO kona ikaika kiʻekiʻe, ka pale ʻana i ka corrosion, a me ka maʻalahi o ka hana weld ua hana i ka alloy 718 ka superalloy kaulana loa i hoʻohana ʻia i ka ʻoihana.
He maikaʻi ka Inconel 718 i ke kū'ē maikaʻi ʻana i nā waikawa organik, nā alkalie a me nā paʻakai, a me ka wai kai. Kūleʻa kūpono i ka sulfuric, hydrochloric, hydrofluoric, phosphoric, a me nā waikawa nitric. Maikaʻi i ke kūpaʻa maikaʻi i ka oxidation, carburization, nitridation, a me nā paʻakai hoʻoheheʻe. Kūleʻa kūpono i ka sulfidation.
Hoʻohui ʻo Inconel 718 paʻakikī makahiki i ka ikaika wela kiʻekiʻe a hiki i 700 °C (1300 °F) me ka pale ʻana i ka corrosion a me ka hiki ke hana maikaʻi. ʻO kona mau hiʻohiʻona wiliwili, ʻoi aku kona kūʻē ʻana i ka haʻihaʻi postweld. Ma muli o kēia mau ʻano, hoʻohana ʻia ʻo Inconel 718 no nā ʻāpana no nā ʻenekini turbine mokulele; nā ʻāpana airframe kiʻekiʻe, e like me nā huila, bākeke, a me nā spacers; nā bolts kiʻekiʻe a me nā mea hoʻopaʻa, cryogenic tankage, a me nā ʻāpana no ka ʻili ʻaila a me ke kinoea a me ka ʻenekinia nuklea.
Papa | Ni% | Cr% | Mo% | Nb% | Fe% | Al% | Ti% | C% | Mn% | Si% | Cu% | S% | P% | Co% |
Inconel 718 | 50-55 | 17-21 | 2.8-3.3 | 4.75-5.5 | ʻO Bal. | 0.2-0.8 | 0.7-0.15 | 0.08 ka nui | ʻO 0.35 ka nui | ʻO 0.35 ka nui | Max 0.3 | 0.01 ka nui | 0.015 ka nui | Max 1.0 |
Hoʻohui Kimia
Nā kikoʻī
Papa | UNS | Werkstoff Nr. |
Inconel 718 | N07718 | 2.4668 |
Na Waiwai Kino
Papa | ʻO ka mānoanoa | Lae hehee |
Inconel 718 | 8.2g/cm3 | 1260°C-1340°C |
Na Waiwai Mechanical
Inconel 718 | Ikaika U'i | Ka ikaika hua | ʻO ka lōʻihi | ʻO Brinell Hardness (HB) |
Hoʻoponopono Lapaʻau | 965 N/mm² | 550 N/mm² | 30% | ≤363 |
ʻO kā mākou Hoʻolaha Hoʻolaha
Bar | Ke kalai ana | Paipu/Tube | Pepa/Papa | Uea | |
Kūlana | ASTM B637 | ASTM B637 | AMS 5589/5590 | ASTM B670 | AMS 5832 |
Lahi Nui
ʻO Inconel 718 wire, bar, rod, strip, forging, plate, sheet, tube, fastener a me nā ʻano maʻamau ʻē aʻe.
150 0000 2421