English
ʻO Inconel 718 (UNS N07718) - Nickel-Chromium Alloy Hoʻopaʻakikī i ka Ua no nā Hana Ikaika Kiʻi i Hōʻike ʻia
  • ʻO Inconel 718 (UNS N07718) - Nickel-Chromium Alloy Hoʻopaʻakikī-Prea no nā noi ikaika kiʻekiʻe
  • ʻO Inconel 718 (UNS N07718) - Nickel-Chromium Alloy Hoʻopaʻakikī-Prea no nā noi ikaika kiʻekiʻe
  • ʻO Inconel 718 (UNS N07718) - Nickel-Chromium Alloy Hoʻopaʻakikī-Prea no nā noi ikaika kiʻekiʻe

ʻO Inconel 718 (UNS N07718) - Nickel-Chromium Alloy Hoʻopaʻakikī-Prea no nā noi ikaika kiʻekiʻe

Wehewehe Pōkole:

ʻO Inconel 718 (UNS N07718 /W.Nr. 2.4668 / GH4169) he hui hao nickel-chromium-hao hiki ke hoʻopaʻakikī ʻia i ka ua me ka ikaika wela kiʻekiʻe a me ke kūpaʻa ʻana i ka pala. Hoʻolako ʻo Womic Steel iā Inconel 718 i nā ʻano huahana like ʻole e like me ka paipu seamless, paipu welded, steel bar, steel plate, steel coil, strip, flanges, fittings, forgings, wire, fasteners, and valves for aerospace, gas turbine, marine, nuclear, and aila and gas applications.


Nā kikoʻī huahana

Nā kikoʻī huahana

Nā Lepili Huahana

ʻIke Huahana

ʻO Inconel 718 ka superalloy nickel-based i hoʻohana nui ʻia ma ka honua, i kapa pinepine ʻia ʻo ia ka "workhorse" o nā alloys wela kiʻekiʻe. Hoʻomohala ʻia e ka International Nickel Company i nā makahiki 1950, loaʻa i ka alloy kona ikaika kūikawā ma o ka hoʻoheheʻe ʻia ʻana o nā pae γ″ (Ni₃Nb) a me γ′ (Ni₃(Al,Ti)) i ka wā o ka mālama ʻana i ka wela pālua. Me nā ikaika tensile e hiki ana i 1,275-1,380 MPa, hāʻawi ʻo Inconel 718 i kekahi o nā lakio ikaika-a-kaumaha kiʻekiʻe loa ma waena o nā alloys nickel me ka mālama ʻana i ka hana maikaʻi loa a me ka weldability.

ʻO nā ʻano koʻikoʻi:

  • Ikaika wela kiʻekiʻe loaa hiki i 700°C (1300°F)
  • Paʻakikī ʻana o ka uama o ka hoʻokumu ʻana o ka pae γ″ a me γ′ i ka wā ʻelemakule
  • Kū'ē maikaʻi loa i ka haki ʻanama 650-700°C
  • ʻO ke kūpaʻa maikaʻi o ka oxidation a me ka corrosionma nā ʻano like ʻole
  • Ke kūpaʻa luhi koʻikoʻia me ka paʻakikī o ka haki
  • Ka hiki ke hoʻopili maikaʻi loa- kekahi o nā superalloys nickel-based hiki ke hoʻoheheʻe ʻia
  • Ka hiki ke wela ākeamai ka cryogenic (-253°C) a i 700°C

Ka Hoʻohui Kemika

ʻElemene ʻIke (%) Kūlana
Nikala (Ni) 50.0 – 55.0 ʻElemene kumu, hāʻawi i ke kūpaʻa austenitic a me ke kū'ē SCC
Chromium (Cr) 17.0 – 21.0 Ke kū'ē'ē'ana i ka'okikene, hana i ka unahi pale Cr₂O₃
Hao (Fe) Kaulike ʻElemene kumu kūpono, komo i ka hoʻoikaika ʻana i ka hopena paʻa
Niobium + Tantalum (Nb+Ta) 4.75 – 5.50 Ka pae hoʻoikaika mua o ka γ″ (Ni₃Nb), ka mea hoʻokaʻawale koʻikoʻi
Molibdenum (Mo) 2.80 – 3.30 Hoʻoikaika i ka hopena paʻa, kūpaʻa kolo
Titanium (Ti) 0.65 – 1.15 γ′ hoʻokumu ʻia (Ni₃Al,Ti), hoʻoikaika lua
Alumini (Al) 0.20 – 0.80 ka hoʻokumu ʻana o ka pae γ′, ke kū'ē ʻana i ka oxidation
Kobalta (Ko) ≤ 1.00 ʻElemene koena, kōkua i ka hoʻoikaika ʻana i ka hopena paʻa
Kalapona (C) ≤ 0.08 ʻO ka mea hana Carbide, ka hoʻoikaika ʻana i ka palena palaoa
Manganese (Mn) ≤ 0.35 Mea hoʻohemo ʻokikene
Silika (Si) ≤ 0.35 Mea hoʻohemo ʻokikene
ʻO ka phosphorus (P) ≤ 0.015 Haumia, kāohi paʻa ʻia
Sulfur (S) ≤ 0.015 Haumia, kāohi paʻa ʻia
Boron (B) ≤ 0.006 Ka hoʻoikaika ʻana i ka palena o ka palaoa, hoʻomaikaʻi i ke kū'ē ʻana i ke kolo
Keleawe (Cu) ≤ 0.30 ʻElemene koena

Nā Waiwai Mekanika

Nā Waiwai Mahana o ka Lumi (Kūlana ʻElemakule)

Waiwai Nā Koi ASTM Ka mea maʻamau i hoʻokō ʻia
Ikaika Hoʻopaʻa ≥ 1,240 MPa (180 ksi) 1,275 – 1,380 MPa
Ikaika Hua (0.2% Offset) ≥ 1,034 MPa (150 ksi) 1,030 – 1,170 MPa
Hoʻolōʻihi ≥ 12% 12 – 25%
Paʻakikī — 36 – 44 HRC
Ka nui o ka paʻa 8.19 g/cm³  
Pae Hoʻoheheʻe 1,260 – 1,340°C  
Modulus Elastic 200 GPa ma 20°C  
Ka Hoʻokele Wela 11.4 W/m·K ma 20°C  
Ka Permeability Magnetic ʻAʻole makeneka  

Nā Waiwai Mekanika Mahana Kiʻekiʻe

Mahana °C Ikaika Hoʻopaʻa (MPa) Ikaika Hua (MPa)
20 1,275 – 1,380 1,030 – 1,170
540 1,150 960
650 1,030 – 1,100 850 – 860
700 — 700

Ikaika Holo-Haʻihaʻi

Mahana Ke kaumaha (MPa) Ola Haʻihaʻi
650°C 690 > 100 hola
700°C 620 > 100 hola
650°C 586 > 1,000 hola

Nā Pōmaikaʻi Koʻikoʻi o Inconel 718

ʻAno Hoʻopaʻakikī Ua– Loaʻa ka ikaika o Inconel 718 mai ka ua ʻana o nā pae γ″ (Ni₃Nb) a me γ′ (Ni₃(Al,Ti)) i ka wā o ka mālama wela ʻana. ʻO ka pae γ″ ke ʻano hoʻoikaika mua, me ka hapa nui e hiki ana ma kahi o 12-20%. ʻAʻole e like me nā mea hoʻohuihui paʻakikī ʻē aʻe he nui, ʻoi aku ka lohi o ka pane ʻana o Inconel 718 i ka ʻelemakule, e hāʻawi ana i kahi puka makani hana ākea a me ka hiki ke hoʻopili maikaʻi loa.

Ikaika Mahana Kiʻekiʻe Loa– Mālama ʻo Inconel 718 i ka ikaika kiʻekiʻe o ka tensile, ka luhi, a me ka creep-rupture a hiki i ka 700°C (1300°F). Ma 650°C, ʻoi aku ka ikaika o kona yield ma mua o nā superalloys ʻē aʻe a pau. Hōʻike ka alloy i ke kūpaʻa creep maikaʻi loa ma ka pae 650-700°C, e lilo ia i mea makemake ʻia no ka lawelawe wela kiʻekiʻe no ka wā lōʻihi.

Ka hiki ke hoʻopili maikaʻi loa– Ua manaʻo nui ʻia ʻo Inconel 718 ʻo ia ka superalloy nickel-based weldable loa. ʻAʻole e like me nā alloys precipitation-hardening he nui i maʻalahi i ka strain-age cracking, hiki ke hoʻopili ʻia ʻo Inconel 718 i nā kūlana annealed a me ka ʻelemakule me ka ʻole o ka pilikia nui. Hōʻike ka alloy i ke kūpaʻa maikaʻi loa i ka haki ʻana i hoʻopili ʻia a hiki ke hoʻopili ʻia me ka hoʻohana ʻana i nā kaʻina hana TIG, MIG, electron beam, a me ka laser. ʻO ka maʻamau, loaʻa i nā hui i hoʻopili ʻia ka ikaika metala kokoke i ka makua me ka mālama maʻalahi ma hope o ka hoʻopili ʻana.

Ka Hiki Mahana Laulā– Mālama ka hui i nā waiwai paʻa mai nā mahana cryogenic (-253°C) a hiki i 700°C. I nā mahana cryogenic, piʻi ka ikaika a me ka paʻakikī me ka ʻole o ka hoʻololi ductile-a-brittle, e kūpono ai no nā ʻōnaehana hydrogen wai a me nā ʻōnaehana oxygen wai. He mea kākaʻikahi kēia laulā hana ma waena o nā superalloys.

Kū'ē maikaʻi i ka palaho– Me ka nui o ka chromium he 17-21%, hāʻawi ʻo Inconel 718 i ke kūpaʻa maikaʻi loa i ka oxidation, pitting, a me ka stress corrosion cracking ma nā ʻano like ʻole. Hana maikaʻi ka alloy i ka wai kai, ka paʻakai spray, nā media acidic, a me nā lewa oxidizing wela kiʻekiʻe. ʻO kona haʻahaʻa cobalt (≤1.0%) e kūpono ia no nā noi nukelea kahi e hopohopo ai ka hoʻāla ʻana o ka radiation.

Hana Hana Maikaʻi Loa– Hiki ke hana wela ʻia ʻo Inconel 718 ma 900-1150°C a hana anu ʻia me ka hoʻohana ʻana i nā ʻano hana maʻamau. Hoʻonui nui ka hana anu i ka ikaika me ka mālama ʻana i ka ductility kūpono. Hiki ke mīkini ʻia ka metala me ka hoʻohana ʻana i ka carbide a i ʻole ka mea hana keramika me nā palena kūpono.

Inconel 718 vs Inconel 625: Hoʻohālikelike

Waiwai ʻInonel 718 ʻInonel 625
Ka Hoʻoikaika ʻana i ka ʻAno Hana Paʻakikī ʻana o ka ua (γ″ + γ′). Pono ka mālama wela Hoʻoikaika ʻana i ka hopena paʻa (ʻaʻohe pono o ka mālama wela)
Ikaika Hoʻopaʻa ≥ 1,240 MPa (180 ksi) ~690 MPa (100 ksi)
Ka Hiki Mahana -253°C a i 700°C Cryogenic a i 982°C (1800°F)
Ka nui o ka hao ~15-20% ≤5%
ʻIke Niobium 4.75-5.50% (koʻikoʻi no γ″) 3.15-4.15%
ʻIke Molybdenum 2.80-3.30% 8-10% (kū'ē i ka lua)
Mea Hoʻokaʻawale Kī Ikaika kiʻekiʻe loa, hiki ke hoʻopili ʻia, kūpaʻa luhi ʻO ke kūpaʻa maikaʻi loa i ka wai kai a me nā waikawa
Makemake ʻia no Nā disks turbine aerospace, nā ʻenekini jet, nā motika rocket, ka ʻaila a me ke kinoea HPHT, nā mea paʻa Nā wahi kai, nā paipu wai kai, ka hana kemika, FGD

I ka manawa hea e koho ai iā Inconel 718:Nā noi e koi ana i ka ikaika wela kiʻekiʻe loa, ke kūpaʻa kolo, a me ka hana luhi a hiki i 700°C kahi lua ke kūpaʻa ʻana i ka pala. ʻO ka mea maʻamau: nā ʻāpana turbine, nā mīkini rocket, ka ʻaila HPHT a me ke kinoea.

I ka manawa hea e koho ai iā Inconel 625:Nā noi e pono ai ke kūpaʻa maikaʻi loa i ka wai kai, nā waikawa, a me nā wahi chloride kiʻekiʻe kahi i ʻae ʻia ai ka ikaika kūpono. ʻO ke ʻano maʻamau: nā paipu moana, ka hana kemika, nā ʻōnaehana FGD.

Ka Lapaʻau Wela o Inconel 718

Pono ʻo Inconel 718 i kahi kaʻina hana wela kūikawā e hoʻokō ai i nā waiwai mechanical kūpono:

Ka Hana Wela Maʻamau:

1. Hoʻonā Anneal:927-1010°C (1700-1850°F) no 1 hola, hoʻomaʻalili wikiwiki (e hoʻopau i ka wai a i ʻole ka ʻaila)

  • Pahuhopu: E hoʻoheheʻe i nā mea i hoʻoheheʻe ʻia a pau, e hoʻokō i ka austenite hoʻokahi-paepae

2. Ka ʻelemakule mua:718°C (1325°F) no 8 mau hola, e hoʻomaʻalili i ka umu a hiki i 620°C

3. Ka ʻelemakule ʻana o ka lua o ka pae:620°C (1150°F) no 8-10 mau hola, ʻo ka manawa ʻelemakule holoʻokoʻa he 18 mau hola, ea anuanu

  • Pahuhopu: E hoʻoheheʻe i ka γ″ a me γ′ no ka ikaika loa a me ke kū'ē ʻana i ke kolo

Lapaʻau Wela ʻē aʻe (No ka hoʻomaha ʻana i ke kaumaha):

  • Hoʻonā Anneal:1038-1066°C (1900-1950°F), hoʻomaʻalili wikiwiki
  • Ka ʻelemakule mua:760°C (1400°F) no 10 mau hola, e hoʻomaʻalili i ka umu a hiki i 650°C
  • Ka ʻelemakule ʻana o ka lua o ka pae:650°C (1200°F) no 20 mau hola, e hoʻomaʻalili i ka ea

Nā Manaʻo Koʻikoʻi:

  • ʻO ka pae γ″ (Ni₃Nb) ka pae hoʻoikaika mua a he metastable. Ma luna o 650°C, hoʻololi ia i ka pae δ paʻa (Ni₃Nb, orthorhombic) e hoʻemi ana i ka ikaika
  • ʻO ka hoʻolōʻihi ʻana ma 600-800°C hiki ke hoʻoulu i ka pae δ ma nā palena o ka palaoa, e hōʻemi ana i ka paʻakikī
  • Pono e wikiwiki ka wikiwiki o ka hoʻoluʻu ʻana ma hope o ka hoʻoheheʻe ʻana o ka hopena e kāohi i ka ua ʻino

Nā ʻAno Huahana i Loaʻa mai Womic Steel

Paipu humuhumu ʻole a me ka Tube humuhumu ʻole

  • Anawaena o waho:6mm – 350mm (1/4" – 14")
  • Mānoanoa o ka paia:1mm – 40mm (E hoʻonohonoho iā 5S a i XXS)
  • Lōʻihi:A hiki i ka 12m
  • Nā Kūlana:ASTM B983, AMS 5589, AMS 5590
  • Nā noi:Nā paipu hoʻololi wela, nā ʻōnaehana wai kaomi kiʻekiʻe, nā paipu aerospace, nā laina mea hana
  • Nā huaʻōlelo koʻikoʻi:Paipu Inconel 718 humuhumu ʻole, paipu UNS N07718, paipu humuhumu ʻole 2.4668, paipu GH4169, paipu nikala ikaika kiʻekiʻe

Paipu i hoʻopaʻa ʻia

  • Anawaena o waho:50mm – 1200mm (2" – 48")
  • Mānoanoa o ka paia:1.0mm - 30mm
  • Nā Kūlana:ASTM B904, ASTM B906
  • Nā noi:Nā paipu hana anawaena nui, nā pūpū hoʻololi wela, nā noi kūkulu
  • Nā huaʻōlelo koʻikoʻi:Paipu wili ʻia ʻo Inconel 718, paipu ERW me ka hui ʻana o ka hui 718, paipu nikala nui ke anawaena

Pā kila (Poepoe, Huinahā, Pālahalaha, Hexagon)

  • Anawaena:5mm - 600mm
  • ʻIli:ʻŌwili wela, ʻĀlohilohi (huki anu ʻia), Kuʻi ʻia, Huli ʻia, ʻIli ʻia
  • Nā Kūlana:ASTM B637, AMS 5662 (Hoʻonā i hoʻoheheʻe ʻia), AMS 5663 (ʻelemakule), AMS 5664
  • Nā noi:Nā diski turbine, nā ʻauamo, nā kumu valve, nā mea paʻa, nā bolts, nā studs, nā mea hana mīkini, nā pūnāwai
  • Nā huaʻōlelo koʻikoʻi:ʻO ka pā poepoe Inconel 718, ka pā UNS N07718, ka pā GH4169, ka pā nickel alloy, ka pā superalloy ikaika kiʻekiʻe

Papa kila a me ka pepa

  • Mānoanoa:0.5mm - 150mm
  • Ka laulā:A hiki i 2500mm
  • Nā Kūlana:ASTM B670, AMS 5596, AMS 5597
  • Nā noi:Nā pūpū ipu kaomi, nā ʻāpana kūkulu, nā hakahaka flange, nā ʻāpana motika rocket
  • Nā huaʻōlelo koʻikoʻi:Pā Inconel 718, pepa metala 718, pā GH4169, pepa metala mahana kiʻekiʻe

ʻŌwili kila a me ka ʻāpana

  • Mānoanoa:0.5mm – 6.0mm
  • Ka laulā:10mm - 1500mm
  • Nā Kūlana:ASTM B670, AMS 5596
  • Nā noi:Nā ʻāpana i hana ʻia, nā ʻūpā, nā hui hoʻonui, nā sila, nā paipu paia lahilahi
  • Nā huaʻōlelo koʻikoʻi:ʻŌwili Inconel 718, ʻāpana nikala nikala, ʻōwili GH4169

Nā Flanges a me nā Paipu Hoʻohui

  • Nā ʻano:ʻĀʻī Weld, Paheʻe, Makapō, Weld Socket, Wili ʻia, Hui Lap
  • Nā nui:1/2" – 48" (DN15 – DN1200)
  • Ka helu o ke kaomi:Papa 150 – Papa 2500
  • Nā Kūlana:ASTM B637, ASME B16.5, ASME B16.47
  • Nā huaʻōlelo koʻikoʻi:Nā flanges Inconel 718, flange ʻāʻī weld alloy 718, nā mea hoʻopili N07718

Nā hana hoʻoheheʻe

  • Nā ʻano:Nā apo, nā diski, nā ʻau, nā kino valve, nā ʻāpana turbine, nā geometries maʻamau
  • Kaumaha:A hiki i ka 5,000kg no kēlā me kēia ʻāpana
  • Nā Kūlana:ASTM B637, AMS 5662, AMS 5663, AMS 5664
  • Nā noi:Nā diski turbine, nā diski compressor, nā pale ʻenekini, nā ʻāpana motika rocket
  • Nā huaʻōlelo koʻikoʻi:Hoʻoheheʻe ʻia ʻo Inconel 718, apo hoʻoheheʻe ʻia ʻo GH4169, hoʻoheheʻe ʻia ʻana o ka diski turbine

Nā Valves Inconel 718

  • Nā ʻano:Nā kiwikā poepoe, Nā kiwikā puka, Nā kiwikā poepoe, Nā kiwikā nānā
  • Nā nui:1/2" – 24" (DN15 – DN600)
  • Ka helu o ke kaomi:Papa 150 – Papa 2500
  • Pae Mahana:-253°C a i +700°C
  • Nā Kūlana Hoʻolālā:API 608, API 6D, ASME B16.34
  • Noho:ʻO ka maka paʻakikī Stellite, RPTFE, PEEK
  • Hana ʻana:Manual, Pneumatic, Uila
  • Nā noi:ʻAila a me ke kinoea HPHT, ka hoʻokaʻawale ʻana o ke kaʻina hana wela kiʻekiʻe, nā ʻōnaehana hoʻomalu turbine, ka lawelawe nukelea
  • Nā huaʻōlelo koʻikoʻi:ʻO ka kiwikā poepoe Inconel 718, ka kiwikā puka me ka hui 718, ka kiwikā nikala wela kiʻekiʻe

Uea a me nā mea hoʻopaʻa

  • Anawaena uea:0.5mm – 12mm
  • Nā mea hoʻopaʻa:Nā ʻūmiʻi, nā nati, nā kui, nā wili, nā mea holoi, nā pūnāwai
  • Nā Kūlana:ASTM B637, AMS 5662, AMS 5663, AMS 5832
  • Nā huaʻōlelo koʻikoʻi:Uaea Inconel 718, nā mea paʻa GH4169, nā ʻūmiʻi nickel alloy, nā pūnāwai wela kiʻekiʻe

Nā noi o Inconel 718

Lehulehu– ʻO Inconel 718 ke kūlana ʻoihana no nā ʻāpana mīkini jet e komo pū ana me nā disks compressor kiʻekiʻe, nā disks turbine, nā ʻau turbine, nā pahi compressor, nā keʻena kuni, nā ʻāpana afterburner, a me nā pahu mīkini. Hoʻohana ʻia ka alloy no nā ʻāpana mīkini rocket, nā keʻena thrust, nā turbopumps, a me nā hale mokulele. ʻO ia ka superalloy i hoʻohana nui ʻia i nā noi aerospace.

Ikehu a me ka Hana Mana– Hoʻohana nui ʻia ka mea hoʻohuihui i nā ʻāpana turbine kinoea e like me nā disks turbine, nā pahi, nā ducts hoʻololi, a me nā mea paʻa no nā turbine kinoea ma ka ʻāina a me ke kai. ʻO kona kūpaʻa kolo ma 650-700°C e kūpono ia no ka lawelawe lōʻihi i nā lako hana mana.

ʻOihana Nukelea– Hoʻohana ʻia ʻo Inconel 718 i loko o nā kīʻaha kaomi reactor, nā paipu mīkini hana mahu, nā mīkini hoʻokele koʻokoʻo, a me nā mea kūloko koʻikoʻi. ʻO kona ʻike cobalt haʻahaʻa (≤1.0%) e hōʻemi i ka hoʻoulu ʻana o ka radioactive, e kūpono ai no nā noi nukelea.

ʻAila a me ke Kinoea– Ua kuhikuhi ʻia ke kinikini no nā lako poʻo luawai kiʻekiʻe-kaomi kiʻekiʻe (HPHT), nā ʻāpana tubular downhole, nā mea kau paipu, nā valves, nā pamu, a me nā lako subsea i nā wahi lawelawe ʻawaʻawa. Kūʻē ʻo Inconel 718 i ka haki ʻana o ka sulfide stress a me ka haki ʻana i hoʻokomo ʻia e ka hydrogen i nā wahi i loaʻa iā H₂S.

Nā mea paʻa wela kiʻekiʻe– ʻO Inconel 718 ka mea maʻamau no nā mea hoʻopaʻa wela kiʻekiʻe e komo pū ana me nā bolts turbine, nā studs, nā nati, a me nā wili e hana ana i nā mahana a hiki i 700°C. ʻO kona kūpaʻa i ka hoʻomaha ʻana o ke koʻikoʻi e hōʻoiaʻiʻo i ka pono o ka hui no ka wā lōʻihi.

Nā noi Cryogenic– Mālama ka mea hoʻohuihui i ka paʻakikī koʻikoʻi ma nā mahana cryogenic a hiki i -253°C, e kūpono ai no nā pahu a me nā ʻōnaehana mālama hydrogen wai a me ka oxygen wai.

Nā Kūlana a me nā Kikoʻī

ʻAno Huahana Kūlana ASTM Kūlana ASME AMS Kūlana
Paipu/Tube humuhumu ʻole ASTM B983 — ʻAMS 5589, ʻAMS 5590
Pā/Koʻokoʻo ASTM B637 ASME SB-637 ʻAMS 5662, ʻAMS 5663, ʻAMS 5664
Pā/Palapala/ʻĀpana ASTM B670 — ʻAMS 5596, ʻAMS 5597
Nā hana hoʻoheheʻe ASTM B637 ASME SB-637 ʻAMS 5662, ʻAMS 5663, ʻAMS 5664
Uea ASTM B637 — ʻAMS 5832, ʻAMS 5962
Ka Hoʻohanohano ʻana o UNS N07718
Helu Werkstoff 2.4668
Hoʻonohonoho DIN NiCr19Fe19NbMo
Mea like me ka Kina GH4169 / GH169

Nā Nīnau i Nīnau Pinepine ʻia

Q: He aha ka ʻokoʻa ma waena o Inconel 718 a me Inconel 625?

A: ʻOi aku ka maikaʻi o Inconel 718 i ka ikaika wela kiʻekiʻe (a hiki i ka 700°C) ma o ka hoʻopaʻakikī ʻana o ka ua (γ″ a me γ′ mau pae), ʻoiai ʻo Inconel 625 ʻoi aku ka maikaʻi i ke kūpaʻa ʻana i ka pala (wai kai, nā waikawa) ma o ka hoʻoikaika ʻana i ka hopena paʻa. E koho i ka 718 no nā noi ikaika-koʻikoʻi; koho i ka 625 no nā wahi koʻikoʻi-palaoa. ʻO ka nui o 718 he 8.19 g/cm³, ʻo ka nui o 625 he 8.44 g/cm³.

Q: He aha ka mahana lawelawe kiʻekiʻe loa no Inconel 718?

A: Ua helu ʻia ʻo Inconel 718 no ka lawelawe lōʻihi a hiki i ka 700°C (1300°F). Hiki ke hoʻohana ʻia nā hele pōkole a hiki i ka 980°C (1800°F) no ke kūpaʻa ʻana i ka oxidation, akā emi nui ka ikaika ma luna o 700°C.

Q: Hiki ke hoʻoheheʻe ʻia ʻo Inconel 718 maʻalahi?

A: ʻAe. Ua manaʻo nui ʻia ʻo Inconel 718 ʻo ia ka superalloy nickel-based hiki ke hoʻoheheʻe ʻia. Hōʻike ia i ke kūpaʻa maikaʻi loa i ka haki ʻana o ka strain-age a hiki ke hoʻoheheʻe ʻia i nā kūlana annealed a me nā ʻano elemakule me ka hoʻohana ʻana i nā ʻano hana TIG, MIG, electron beam, a me ka laser. Ua manaʻo ʻia he kūpono no ka hoʻoheheʻe ʻana me ka ʻole o nā pilikia haki ma hope o ka hoʻoheheʻe ʻana.

Q: He aha nā mea like Kina o Inconel 718?

A: ʻO nā mea like Kina ʻo GH4169 a me GH169 (GB/T 14992). Kūlike kēia mau papa me nā kūlana aupuni Kina no nā mea hoʻohuihui wela kiʻekiʻe.

Q: He aha nā ʻano huahana i loaʻa no Inconel 718?

A: Hoʻolako ʻo Womic Steel iā Inconel 718 i nā paipu seamless, paipu welded, kila bar, kila plate, steel coil, strip, flanges, fittings, forgings, wire, springs, fasteners, and valves. Aia nā kikoʻī huahana piha a me nā laulā nui i helu ʻia ma ka ʻāpana loaʻa huahana.

Q: Pono anei ʻo Inconel 718 i ka mālama wela?

A: ʻAe. Loaʻa iā Inconel 718 kona ikaika kūikawā ma o ka mālama ʻana i ka wela paʻakikī. ʻO ke kaʻina hana maʻamau ka hoʻoheheʻe ʻana i ka hopena (927-1010°C) a ukali ʻia e ka ʻelemakule pālua (718°C no 8 mau hola, hoʻomaʻalili i ka umu a hiki i 620°C, paʻa no 8-10 mau hola).

Q: He magnetic anei ʻo Inconel 718?

A: ʻAʻole. ʻAʻohe magnetic o Inconel 718 ma nā kūlana āpau, e kūpono ana no nā noi kahi e pono ai ke pale ʻia ka hoʻopilikia magnetic.

Q: He aha ka hana luhi o Inconel 718?

A: Hōʻike ʻo Inconel 718 i ke kūpaʻa luhi maikaʻi loa i nā mahana kiʻekiʻe. ʻOi aku ka palena o kona luhi pōʻaiapuni kiʻekiʻe (HCF) ma 650°C ma mua o 400 MPa, e kūpono ana no nā noi i kau ʻia ma lalo o ka hoʻouka cyclic a me ka luhi wela.

E hoʻokaʻaʻike iā Womic Steel

Pūnaewele: www.womicsteel.com

Leka uila: sales@womicsteel.com

Kelepona / WhatsApp / WeChat:

Lanakila: +86 15575100681

Jack: +86 18390957568

ʻO Womic Steel - ʻO kāu hoa hilinaʻi no ka paipu Inconel 718 (UNS N07718, GH4169) seamless, paipu welded, kila bar, kila plate, steel coil, flanges, fittings, forgings, valves, fasteners, a me nā pūnāwai no ka aerospace, gas turbine, nukelea, a me HPHT aila a me ke kinoea ma ka honua holoʻokoʻa. Loaʻa ka traceability piha, ka palapala hōʻoia o ka hui hoʻokaʻawale (CCS, ABS, BV, DNV, LR), a me nā palapala EN 10204 Type 3.1/3.2.

  • Ma mua:
  • Aʻe:

    • Nā Huahana Pili

    Nīnau i kēia manawa