Kodi Chitsulo Chosapanga Dzimbiri cha 15-7PH N'chiyani Ndipo Kodi Zinthu Zake Zofunika Ndi Ziti?

Mu dziko la zipangizo zamakono zamakono,Chitsulo chosapanga dzimbiri cha 15-7PHImadziwika bwino ngati imodzi mwa zitsulo zosapanga dzimbiri zomwe zimalimba kwambiri komanso zogwira ntchito masiku ano.mphamvu yabwino kwambiri yamakina, kukana dzimbiri, komanso kukhazikika kwa kutenthaimapangitsa kuti ikhale chinthu choyenera kwambiri kwa mafakitale omwe amafuna kudalirika pamikhalidwe yovuta kwambiri.

Munkhaniyi,SAKYSTEELimapereka chithunzithunzi chatsatanetsatane chachitsulo chosapanga dzimbiri cha 15-7PH ndi chiyani, zakekapangidwe ka mankhwala, katundu wofunikirandintchito zazikulu zamafakitale, kuthandiza mainjiniya ndi akatswiri ogula zinthu kupanga zisankho zolondola posankha zipangizo zopangira zinthu zogwira ntchito bwino.

1. Kodi Chitsulo Chosapanga Dzimbiri cha 15-7PH N'chiyani?

Chitsulo chosapanga dzimbiri cha 15-7PH(UNS S17700, yomwe imadziwikanso kuti Type 15-7 PH kapena 631 alloy) ndichitsulo chosapanga dzimbiri cha martensitic cholimbazokhala ndi pafupifupi15% chromium ndi 7% nickel, ndi zowonjezera zaaluminiyamukuti zithandize kuuma pogwiritsa ntchito kutentha.

"PH" m'dzina lake imayimiraKuuma kwa Mvula, njira yochiritsira kutentha yomwe imawonjezera mphamvu ya makina a alloy kudzera mu kunyowa kolamulidwa kwa mankhwala abwino a intermetallic mkati mwa kapangidwe ka chitsulo.

Yapangidwa ngati kusintha kwa17-7PHndi17-4PH, 15-7PH imapereka ndalama zokwaniramphamvu yayikulu, kukana dzimbiri, komanso kupangika bwino kwambiri, zomwe zimapangitsa kuti zikhale zoyenera zonse ziwirindegendimafakitalemapulogalamu.

2. Kapangidwe ka Mankhwala

Kapangidwe ka mankhwala kosalekeza ka chitsulo chosapanga dzimbiri cha 15-7PH ndikofunikira kwambiri pakugwira ntchito kwake bwino.

Chinthu Zomwe Zili M'kati Mwachizolowezi (%) Ntchito
Chromium (Cr) 14.0 – 16.0 Kukana dzimbiri ndi kuuma
Nikeli (Ni) 6.5 – 7.8 Kulimba ndi kukhazikika kwa matrix ya martensitic
Aluminiyamu (Al) 0.75 – 1.5 Chinthu cholimbitsa mvula
Kaboni (C) ≤ 0.09 Mphamvu popanda kuchepetsa ductility
Manganese (Mn) ≤ 1.0 Deoxidizer ndi chowonjezera mphamvu
Silikoni (Si) ≤ 1.0 Zimathandizira kukana okosijeni
Phosphorus (P) ≤ 0.04 Kusungidwa pansi kuti kupewe kusweka
Sulfure (S) ≤ 0.03 Yoyang'aniridwa kuti igwire ntchito bwino
Chitsulo (Fe) Kulinganiza Chigawo choyambira

Kapangidwe kameneka kamalola kuti alloy isinthe kuchoka pa gawo la austenitic kupita ku gawo la martensitic kudzera mu chithandizo cha kutentha, chomwe chimatha kukalamba kuti chikhale ndi mphamvu komanso kuuma kwambiri.

3. Kapangidwe ka Zing'onozing'ono ndi Zachitsulo

Mu mkhalidwe wake wotsekedwa ndi yankho, 15-7PH ndiaustenitic, kutanthauza kuti ikhoza kupangidwa mosavuta ndikupangidwa. Pambuyo pakentchito yozizirandichithandizo cha kutentha, imasandukamartensitickapangidwe kake, komwe kamapereka mphamvu zake zapamwamba.

Mukakalamba (nthawi zambiri pakati pa 510–565°C),zinthu zotentha zokhala ndi aluminiyamumongaNi₃Almawonekedwe mkati mwa matrix. Tinthu tating'onoting'ono tomwe timagawidwa bwino timawonjezera kuuma ndikupereka mphamvu, pomwe timakhalabe olimba komanso okana dzimbiri.

4. Katundu Wofunika wa Makina

Gome lotsatirali likufotokoza mwachidule momwe chitsulo chosapanga dzimbiri cha 15-7PH chimagwirira ntchito m'njira zosiyanasiyana zochizira kutentha:

Mkhalidwe Mphamvu Yotulutsa (MPa) Mphamvu Yokoka (MPa) Kutalika (%) Kuuma (HRC)
Yankho Lophatikizidwa (Mkhalidwe A) 850 1050 15–20 25–30
Mkhalidwe CH900 1300 1450 5–8 42–46
Mkhalidwe RH950 1170 1300 8–12 40–44

Zotsatirazi zikusonyeza luso la alloy lothakukhala ndi mphamvu zambiri mukakalamba, nthawi zambiri zimafanana ndi zitsulo zogwiritsa ntchito zida zochepa, koma ndi phindu lowonjezera lakukana dzimbiriwamba wa magalasi osapanga dzimbiri.

5. Zinthu Zofunika Kwambiri ndi Ubwino

5.1 Mphamvu Yaikulu ndi Kuuma

Pambuyo pa ukalamba, 15-7PH imakula mphamvu zokolola kuposa1300 MPa, zomwe zimathandiza opanga zinthu kuchepetsa makulidwe ndi kulemera kwa gawo m'zigawo zofunika kwambiri.

5.2 Kukana Kwambiri Kudzimbiritsa

Kuchuluka kwa chromium kumapereka 15-7PH kukana dzimbiri la mlengalenga komanso malo ocheperako a mankhwala. Imagwira ntchito bwino muza m'nyanjandimafakitalemlengalenga, ngakhale kuti suli wolimba kwambiri ngati mlengalenga wozizira monga mlengalenga wozizira kwambiri monga 316.

5.3 Kupangika Bwino

Mu mkhalidwe wake wophimbidwa (A), zinthuzo zitha kusinthidwazopangika mosavuta, kukokedwa, kapena kupindika, zomwe zimapangitsa kuti ikhale yoyenera kugwiritsidwa ntchito pazinthu zovuta zomwe pambuyo pake zimakonzedwa kuti zikhale zolimba kwambiri.

5.4 Kutopa Kwambiri ndi Kulimbana ndi Kupsinjika Maganizo

Kapangidwe kake kakang'ono komanso kofanana kamene kamakhala ndi mphamvu yolimba ya 15-7PH komanso kukana kusweka kwa dzimbiri, ngakhale mutanyamula katundu nthawi zonse.

5.5 Kukhazikika kwa Magawo

Sizimasintha kwambiri kutentha komanso sizimawononga mawonekedwe ake, zomwe zimapangitsa kuti zikhale zabwino kwambirizigawo zamakina zolondola.

6. Kuchiza ndi Kukonza Kutentha

15-7PH ikhoza kutenthedwa ndi kutentha kosiyanasiyana kuti ikwaniritse mawonekedwe enaake a makina.

Gawo 1: Kuthira Mayankho (Mkhalidwe A)

  • Kutentha kwa1038°C (1900°F)kwa ola limodzi ndikuziziritsa.

  • Zinthuzo zimakhalabe zokhazikika komanso zosavuta kupanga.

Gawo 2: Kusintha kukhala Martensitic Condition (Condition TH1050)

  • Ntchito yozizira (nthawi zambiri kuchepetsa 60–70%) kuti ipangitse kapangidwe ka martensitic.

  • Kenako kutentha kuti565°C (1050°F)kwa ola limodzi ndikuziziritsa.

Gawo 3: Chithandizo cha Ukalamba (Mkhalidwe RH950)

  • Zaka pa510°C (950°F)kwa maola 1–4.

  • Zotsatira zake ndi kuuma kwakukulu ndi mphamvu.

Kuwongolera bwino njira izi kumatsimikizira kuti zinthu zimagwirizana bwino pazigawo zazikulu kapena zovuta.

7. Katundu Wathupi

Katundu Mtengo
Kuchulukana 7.8 g/cm³
Modulus Yotanuka 200 GPa
Kutentha kwa Matenthedwe 16.7 W/m·K
Kuchuluka kwa Kukula 10.9 × 10⁻⁶ /°C
Kukana kwa Magetsi 0.00074 Ω·cm

Ma parameter awa amalola 15-7PH kugwira ntchito bwino kutentha kotsika komanso kokwera pang'ono mpaka550°C (1020°F).

8. Kuyerekeza ndi Zitsulo Zina Zosapanga Dzimbiri za PH

Katundu 15-7PH 17-4PH 17-7PH
Chinthu Chachikulu Cholimbitsira Aluminiyamu Mkuwa Aluminiyamu
Mphamvu (Wachikulire) Pamwamba Kwambiri Pamwamba Pakatikati
Kukana Kudzikundikira Zabwino Zabwino kwambiri Zabwino
Kupanga zinthu Zabwino kwambiri Zabwino Zabwino kwambiri
Kutentha Kwambiri kwa Ntchito 550°C 315°C 425°C
Makhalidwe a Maginito Magnetic pambuyo pa ukalamba Maginito Maginito

Chitsulo chosapanga dzimbiri cha 15-7PHzoperekamphamvu yapamwamba komanso kutenthapoyerekeza ndi 17-4PH ndi 17-7PH, pamene ikusunga bwino dzimbiri komanso kusinthasintha kwa kapangidwe.

9. Kugwiritsa ntchito Chitsulo Chosapanga Dzira cha 15-7PH

Chifukwa cha kuphatikiza kwake kwapadera kwa mphamvu, kulimba, ndi kukana dzimbiri, 15-7PH imagwiritsidwa ntchito kwambiri pazinthu zofunika kwambiri pomwe kudalirika ndikofunikira.

9.1 Makampani Oyendetsa Ndege

  • Masiponji, ma diaphragm, ndi ma bellows

  • Zomangira ndi zomangira ndege

  • Ma actuator ogwira ntchito bwino kwambiri

  • Zigawo za kapangidwe kake zimakhudzidwa ndi kutentha ndi kupsinjika

9.2 Zipangizo Zamankhwala ndi Zamafuta

  • Ziwiya zopanikizika ndi zida za valavu

  • Akasupe ndi zisindikizo za mankhwala

  • Mipando yosagwira dzimbiri

9.3 Kupanga Mphamvu

  • Zosungira masamba a Turbine

  • Maboluti ndi mapini osatentha

9.4 Magalimoto ndi Mafakitale

  • Masipuri ndi makina ochapira olondola

  • Zida zamphamvu kwambiri komanso zida zoimbira

Chifukwa chakukana kutopa kwambiri, 15-7PH ndi yofunika kwambiri m'zigawo zomwe zimakhudzidwa ndikudzaza kobwerezabwereza.

10. Kukonza ndi Kupanga

10.1 Kuthekera kwa Machina

Makina a 15-7PH ofanana ndi chitsulo chosapanga dzimbiri cha 17-4PH. Ayenera kupangidwa mu makinavuto lotsekedwakuchepetsa kuwonongeka kwa zida. Zikakalamba, nsaluyo imakhala yolimba kwambiri ndipo imafunika zida za carbide.

10.2 Kuwotcherera

Ikhoza kulumikizidwa pogwiritsa ntchito njira zachikhalidwe zolumikizira, mongaGTAW (TIG)ndiGMAW (MIG)Komabe, chithandizo cha kutentha pambuyo pa weld chimalimbikitsidwa kuti chibwezeretse kukana dzimbiri ndi mphamvu.

10.3 Kupanga

Mu mkhalidwe wake wophimbidwa, 15-7PH imapereka mawonekedwe abwino. Pambuyo pa ntchito yozizira ndi kukalamba, imalimba kwambiri, zomwe zimalepheretsa ntchito zina zopanga.

11. Kukana Kudzimbiri Mwatsatanetsatane

15-7PH imagwira ntchito bwino m'malo osiyanasiyana kuphatikizapo:

  • Mlengalenga wa m'nyanja

  • Mayankho ofatsa a asidi

  • Mpweya ndi nthunzi za mafakitale

Komabe, ndiSizovomerezeka kumadera okhala ndi asidi wambiri kapena chloride wambirimonga kumizidwa m'madzi a m'nyanja, komwe kungachitike dzenje. Kuti dzimbiri lisagwere bwino, pamwamba pake payenera kutsukidwa bwino ndikupukutidwa bwino mutapanga.

12. Kugwira Ntchito kwa Kutentha

Chitsulochi chimasunga mphamvu zake zamakanika mpaka pafupifupi550°C (1020°F), pamwamba pake kukalamba kwambiri kungachepetse mphamvu. Imasunganso kulimba bwino komanso mphamvu yotopa pa kutentha kwapansi pa zero, zomwe zimapangitsa kuti ikhale yogwiritsidwa ntchito bwino pa ntchito zotentha komanso zozizira.

13. Kuwongolera Ubwino ndi Chitsimikizo

At SAKYSTEEL, zipangizo zonse zosapanga dzimbiri za 15-7PH zimapangidwa pansi pamachitidwe okhwima owongolera khalidwe, kuonetsetsa kuti:

  • Kuzindikira kwathunthu ndi nambala ya kutentha

  • Kusanthula kapangidwe ka mankhwala pogwiritsa ntchito spectrometer

  • Kuyesa kwamakina pa gulu lililonse

  • Kuyang'ana kwa akupanga ndi pamwamba

  • Zikalata motsatira miyezo ya EN 10204 3.1 / 3.2

(Logo SAKYSTEEL)

14. Mafomu Omwe Amaperekedwa ndi SAKYSTEEL

  • Mipiringidzo Yozungulira ndi Ndodo:Yokokedwa, yosenda, yophwanyika, kapena yopanda pakati yopukutidwa

  • Mapepala ndi Mapepala:Kuzingidwa kotentha kapena kuzingidwa kozizira

  • Waya & Mzere:Waya wa masika wolondola kwambiri wogwiritsidwa ntchito mumlengalenga ndi m'mafakitale

  • Zopangira:Mawonekedwe opangidwa mwamakonda malinga ndi zomwe kasitomala akufuna

SAKYSTEEL imapereka mitundu yosiyanasiyana ya kukula, ntchito zodula, ndikutumiza mwachangu padziko lonse lapansikukwaniritsa nthawi ya polojekiti.

15. Ubwino Wosankha 15-7PH kuchokera ku SAKYSTEEL

  1. Kutsimikizika kwa Alloy- Yatsimikiziridwa kudzera mu PMI ndi kutsata kwa kuchuluka kwa kutentha

  2. Katundu Wokhazikika wa Makina- Mphamvu ndi kuuma kofanana mu gulu lililonse

  3. Chithandizo cha Kutentha kwa Akatswiri- Mkhalidwe A, TH1050, ndi RH950 zilipo

  4. Mapeto Abwino Kwambiri- Zosankha zopukutidwa kapena zowala bwino za zigawo zolondola

  5. Zochitika Padziko Lonse Zogulitsa Kunja- Kutsatira miyezo ya ASTM, AMS, ndi EN

SAKYSTEELwapereka zipangizo za 15-7PH kwamafakitale a ndege, chitetezo, zapamadzi, ndi mankhwalaku Asia, Europe, ndi North America.

16. Kuyerekeza: 15-7PH poyerekeza ndi 17-4PH mu Mapulogalamu Enieni

Katundu 15-7PH 17-4PH
Kulimba (Max HRC) 46 42
Kutentha kwa Ntchito Kufikira 550°C Kufikira 315°C
Mphamvu ya Kutopa Zapamwamba Wocheperako
Kutha kupotoka Zabwino Zabwino kwambiri
Kutha kugwira ntchito Wocheperako Bwino
Chitsanzo cha Ntchito Masipuleti, Ma Diaphragm, Ma Valves Ma Shaft, Mabolt, Zigawo za Pampu

Kwamphamvu yotentha kwambiri komanso kutopa, 15-7PH imachita bwino kwambiri kuposa 17-4PH. Ngati kusinthasintha ndi mtengo ndizofunika kwambiri, 17-4PH ingakhale yabwino kwambiri.

17. Malangizo Osungira ndi Kusamalira

  • Sungani mumalo ouma, oyerakupewa kuipitsidwa ndi dzimbiri.

  • Pewani kukhudzana ndi zinthu zopangidwa ndi chitsulo cha kaboni pamene mukuzigwira.

  • Gwiritsani ntchitozolekanitsa zopanda chitsulopamene mukuyika mapepala kapena mipiringidzo.

  • Ikani chophimba choteteza kapena kukulunga zinthu potumiza kunja.

Kugwira bwino ntchito kwa aloyi kumasunga ubwino wa pamwamba pake komanso ntchito yake yowononga.

18. Mapeto

Chitsulo chosapanga dzimbiri cha 15-7PHndi aloyi wamphamvu kwambiri, yolimbitsa mvula yomwe imapereka chisakanizo chapadera chamagwiridwe antchito a makina, kukana dzimbiri, komanso kukhazikika kwa kutentha.

Ndi mphamvu yake yopezera mphamvu zokolola zoposa 1300 MPa ndikusunga kukhazikika mpaka 550°C, ndi chisankho chabwino kwambiri kwantchito zamafakitale monga ndege, petrochemical, komanso zolondola kwambiri.

At SAKYSTEEL, timapereka zipangizo zosapanga dzimbiri zosapanga dzimbiri za 15-7PH zomwe zimatsatiridwa bwino, kukonzedwa molondola, komanso miyeso yosinthidwa kuti zithandizire mapulojekiti ovuta kwambiri a makasitomala athu.

Pamene magwiridwe antchito, kudalirika, ndi khalidwe ndizofunikira — kudaliranaSAKYSTEELkuti mupeze njira zanu zopangira zitsulo zosapanga dzimbiri.

Nthawi yotumizira: Okutobala-29-2025