Ndezvipi Zvimiro Zvekurapa Kupisa Zviripo zveSimbi Isina Kushanda Nesimba re15-7PH?

Mumaindasitiri anoshanda zvakanyanya akadai semuchadenga, kugadzira makemikari, uye kugadzira magetsi,15-7PH simbi isina ngurainozivikanwa zvikuru nekuda kwayosimba rakanaka kwazvo, kusimba, uye kuramba nguraAsi pfuma inoisiyanisa zvechokwadi ndiyokurapwa kwekupisaKuburikidza nekushandiswa kwekupisa kwakarongwa, chirongo ichi chinogona kuwana hunhu hwakasiyana-siyana hwemakanika, kubva pakusimba kwakanyanya kusvika pakuoma kwakanyanya kwenzvimbo dzinoda kushanda.

Chinyorwa ichi chakanyorwa naSAKYSTELinopa ruzivo rwakadzama pamusoro pemamiriro ekurapa kupisa anowanikwa esimbi isingatsvi ye15-7PH, kutsanangura maitiro, tembiricha, uye mhedzisiro yemamiriro ese ezvinhu. Kunyangwe uri mainjiniya, mugadziri, kana nyanzvi yesimbi, kunzwisisa mamiriro aya ekurapa kupisa kuchakubatsira kusarudza musanganiswa wakakodzera wekushanda uye kugona kugadzirwa kwekushandisa kwako.

1. Nhanganyaya yeSimbi Isina Kusimba ye15-7PH

15-7PH simbi isina ngura(UNS S17700, ASTM A693 Type 631) imhando yesimbi isina tsvina yemartensitic inoomesa mvuraizvo zvine angangoita15% chromium, 7% nickel, uye 1% aruminiyamuZita rekuti “PH” rinoreva kugona kwayo kuvakurapwa nekupisa kwakaomeswa nemvura.

Yakagadzirwa senzira yekuvandudza pamusoro pe17-7PH, chiumbwa ichi chinopa simba rakawanda uye kugadzikana kuri nani kwekupisa. Inogona kugadzirwa zviri nyore mumamiriro ayo akavharirwa uye yozopiswa kuti iite kuomarara kwakanyanya uye simba rekupa rakakodzera kushandiswa kwakakosha mukuvaka.

2. Kuumbwa kweMakemikoro

Chinhu Zviri Mukati Zvakajairika (%) Chinangwa
Chromium (Cr) 14.0–16.0 Inopa kudzivirira ngura
Nickel (Ni) 6.5–7.8 Inovandudza kusimba uye kugadzikana
Aruminiyamu (Al) 0.75–1.5 Chinhu chikuru chinoomesa mvura
Kabhoni (C) ≤ 0.09 Simba uye kudzorwa kwekuomarara
Manganese (Mn) ≤ 1.00 Inovandudza simba
Silikoni (Si) ≤ 1.00 Inowedzera kuramba kwe oxidation
Phosphorus (P) ≤ 0.04 Inodzorwa kuti ishande zvakanaka
Sarufa (S) ≤ 0.03 Inovandudza mashandiro emuchina
Simbi (Fe) Kuenzana Chinhu chepakutanga

Kusanganiswa kwe nickel nealuminium kunogonesakunaya kweNi₃Al makomponipanguva yekukwegura, izvo zvinosimbisa zvikuru chiumbwa ichi ukuwo zvichiramba zvakasimba zvakakwana.

3. Pfupiso yeKurapa Kupisa

Simbi isingasvibi 15-7PH inogona kupihwa uye kugadziriswa mukupisa kwakasiyana-siyanamamiriro ezvinhukuti uwane musanganiswa chaiwo wesimba, kuomarara, uye ductility. Mamiriro akajairika ndeaya:

  • Mamiriro A:Mhinduro yakavharirwa

  • Mamiriro RH950:Kuchinja kweAustenite kuenda kumartensite uye kukwegura

  • Mamiriro TH1050:Basa rinotonhora rinoteverwa nekukwegura

  • Mamiriro RHT 900–1150:Kurapa kwakagadzirwa netembiricha yepamusoro

Mamiriro ese ezvinhu anosanganisira matanho akasiyana ekupisa uye emakanika akagadzirirwa kugadzirisa chinhu chacho kuti chishandiswe zvakanaka.

4. Mamiriro A - Mhinduro Yakanamirwa

4.1 Tsananguro

Mumamiriro ezvinhu aya, 15-7PH ndiyomhinduro yakarapwapaanenge1038°C (1900°F)kweawa imwe chete zvichiteverwa nekutonhora kwemhepoMaumbirwo acho ndeekutiaustenitic, iyo inoita kuti zvinhu zvive nyore kuumbwa, kudhonzwa zvakadzama, kana kupotwa kuita chimiro chisati chaoma zvachose.

4.2 Mashandisirwo Akajairika

  • Kugadzira pepa uye kudhinda

  • Mvuto nemadiaphragm

  • Zvinhu zvinoda kuumbwa kwakaoma usati wakura

4.3 Hunhu hweMichina (Hwakajairika)

Pfuma Kukosha
Simba reKusimba 1050 MPa
Simba reGoho 850 MPa
Kureba 18–20%
Kuoma 25–30 HRC

Mamiriro A haasi iwo mamiriro ekupedzisira ekushandiswa kwemaindasitiri mazhinji — anowanzo teverwa nekushanda kwenguva pfupi uye kukwegura kuti pave nesimba rakawanda.

5. Mamiriro emvura RH950 - Mvura yagara kwenguva refu

5.1 Tsananguro

Mamiriro ezvinhu RH950 (RH = "Reversion Heat Treatment") anowanikwa ne:

  1. Mhinduro ichigadzirisa alloy pa1038°C (Chimiro A).

  2. Kutonhodza kusvika patembiricha yemukamuri.

  3. Kudziisa kusvika955°C (1750°F)kweawa imwe chete.

  4. Inotonhorera nekukurumidza kusvika patembiricha yemumba.

  5. Kukwegura pa510°C (950°F)kwemaawa mana, zvichiteverwa nekutonhodza kwemhepo.

Munguva iyi, chimiro chinoshanduka kubva pakuva austenitic kuenda kumartensitic, uye aruminiyamu-nickel inokonzeresa kuumbwa, zvichiwedzera simba nekuomarara zvakanyanya.

5.2 Zvimiro zveMichina

Pfuma Kukosha
Simba reKusimba 1400–1450 MPa
Simba reGoho 1200–1300 MPa
Kureba 8–10%
Kuoma 42–46 HRC

5.3 Zvinhu Zvikuru

  • Simba guru kwazvo uye ductility yakanaka

  • Kudzivirira kuneta kwakanyanya

  • Kugadzikana kwakanaka kwehukuru

5.4 Mashandisirwo Akajairika

  • Zvitubu nezvisungo

  • Zvishandiso zvemuchadenga

  • Zvikamu zve turbine yemagetsi

  • Madhiragiramu ekumanikidzwa ane simba guru

Mamiriro ezvinhu ndiwo RH950chirwere chinowanzoitikaye15-7PH mukushandisa ndege uye kunyatsoongorora.

6. Mamiriro TH1050 - Anoshanda muchando uye Akwegura

6.1 Tsananguro

Mamiriro TH1050 (TH = "Kurapa Kupisa Kwekuchinja") anoshandiswa kana paine simba rakanyanya kudiwa. Anosanganisira:

  1. Kurapa kwemvura pa 1038°C kweawa imwe chete (Chimiro A).

  2. Kuderedzwa kwechando kwe60–70% kushandura austenite kuita martensite.

  3. Kukwegura pa565°C (1050°F)kweawa imwe chete, zvichiteverwa nekutonhodza kwemhepo.

6.2 Zvivako Zvidiki

Danho rekushanda rinotonhora rinokurudzira shanduko yakakwana kuita martensite isati yakwegura, zvichikonzerachimiro chezviyo chakanaka uye chakafanananesimba guru.

6.3 Zvimiro zveMichina

Pfuma Kukosha
Simba reKusimba 1500–1600 MPa
Simba reGoho 1300–1450 MPa
Kureba 6–8%
Kuoma 44–48 HRC

6.4 Zvinhu Zvikuru

  • Simba guru rinowanikwa re15-7PH

  • Kuneta kwakanyanya uye kuramba kupfeka

  • Kudzivirira ngura kwakadzikira zvishoma zvichienzaniswa neRH950

6.5 Mashandisirwo Akajairika

  • Zvikamu zvemuchadenga

  • Zvitubu zvemavharuvhu zvinoshanda zvakanyanya uye zvikamu zvevharuvhu

  • Zvisungo zvinoda simba guru rekutakura mutoro

Mamiriro ezvinhu TH1050 anomiririramamiriro ekusimba kwepamusoro-soroyemusanganiswa uyu.

7. Mhando dzakasiyana dzekurapa kupisa

Pamusoro peRH950 neTH1050, mamwe madhiragishanduko dzakagadziriswa dzekurapa kupisazviripo kuti zvienderane nehukuru hwe15-7PH munzvimbo dzakasiyana siyana.

Mamiriro Tembiricha (°F) Tsananguro Mhedzisiro
RHT900 900 Kupisa kushoma kwekukwegura Simba rakakwirira, kuoma kwakaderera
RHT1000 1000 Nzvimbo yepakati nepakati Simba rakaenzana uye kusimba
RHT1150 1150 Kupisa kwakanyanya kwekukwegura Kuvandudzwa kwe ductility uye kuramba ngura

Kurapa uku kunogona kugadzirisa kuenzana kwesimba re alloy, kuomarara kwayo, uye kuramba kwayo kukanganiswa nengura zvichienderana nenzvimbo yayo yebasa.

8. Kuenzanisa Kwemamiriro Ekurapa Kupisa

Pfuma Mamiriro A RH950 TH1050
Maumbirwo Austenitic Martensitic + Mvura Inonaya Martensitic + Mvura Inonaya
Simba reKusimba (MPa) 1050 1450 1600
Kuoma (HRC) 30 45 48
Kugona kuita zvinhu Yakakwirira Zviri pakati nepakati Zvakaderera
Kuramba Kuora Zvakanakisa Kugona chose Kugona
Kuumbwa Zvakanakisa Zvishoma Zvishoma
Kushandiswa Kwakajairika Kugadzira / Kugadzira Muchadenga / Zvitubu Zvikamu zvinorema

Kuenzanisa uku kunoratidza kuti nzira dzakasiyana dzekurapa kupisa dzinoita sei kuti 15-7PH ishandiswe mumaindasitiri akasiyana-siyana.

9. Nzira yesimbi yekusimbisa mvura

Chinokosha pakusimba kwe15-7PH chiri mukuumbwa kwe fineNi₃Al precipitatespanguva yekukwegura. Izvi zvinokanganisa kufamba kweganda, izvo zvinowedzera simba rekugadzira.

Kutevedzana kweshanduko kunogona kupfupikiswa seizvi:

Austenite → Martensite → Martensite + Ni₃Al Precipitates

Nekugadzirisa tembiricha yekukwegura uye nguva yekukwegura, mainjiniya vanogona kudzora zvakanyatsonakasaizi nekugoverwayeaya mapombi, kugadzirisa kuomarara uye kuomarara kwekushandisa kwega kwega.

10. Nzira dzekudzivirira kupisa

  1. Kudzora Kupisa:Kukwegura zvakanyanya kupfuura 600°C kunogona kuderedza kuomarara nekuda kwekukombama kwemapombi.

  2. Kudzora Mhepo:Shandisa maguchu egasi asina kuchena kana kuti asina kuchena kuti usaoxidation kana kukura.

  3. Kudzora Kukanganiswa:Tsigira zvikamu zvakaoma kuderedza kutenderera panguva yekutonhora.

  4. Kukwegura Mushure mekusveta:Zvikamu zvakasungirirwa mumamiriro akabatanidzwa zvinofanira kucheneswa mushure mezvo kuti zvidzore simba.

Kutevedzera mitemo iyi zvakanaka kunoita kuti pave neunhu hwakafanana uye kushanda zvakanaka.

11. Mhedzisiro yekurapa kupisa pakurapwa kwengura

Kunyange zvazvo 15-7PH ichipa simba rakanaka rekudzivirira ngura mumamiriro ese ekupisa,mamiriro ekudzivirira (A)inoratidza kusimba kwakanyanya nekuda kwechimiro chayo che austenitic. Sezvo kuomarara kuchiwedzera nekukwegura, kusimba kwekuora kunoderera zvishoma, kunyanya munzvimbo dzine chloride.

Kuvandudza dziviriro pamusoro,kusava nehanyauyekupukutaZvinokurudzirwa mushure mekurapwa kwekukwegura.

12. Muenzaniso weMaitiro Ekurapa Kupisa (RH950)

  1. Mhinduro yeAnneal:Pisa kusvika 1038°C (1900°F) kweawa imwe chete, wozotonhodza nemhepo.

  2. Nhanho yeRH yeMamiriro Ezvinhu:Pisa kusvika 955°C (1750°F) kweawa imwe chete, wozorora nemhepo.

  3. Kuomesa Kwezera:Pisa kusvika 510°C (950°F) kwemaawa mana, wozotonhodza nemhepo.

Mhedzisiro: Simba rekusimba ~1450 MPa, kuomarara 45 HRC, kureba 10%.
Kutevedzana uku kunogadzira musanganiswa wakaenzana wesimba guru uye ductility yakanakira kushandiswa mundege.

13. Zvikumbiro Nemamiriro Ezvinhu

Mamiriro Maindasitiri Zvikamu Zvakajairika
Mamiriro A Ndege / Kugadzira Mvuto, diaphragms, matsime
RH950 Simba / Kemikari Mavharuvhu ane kumanikidzwa kwakanyanya, zvisimbiso zve turbine
TH1050 Ndege / Dziviriro Zvisungo zvekuvaka, ma actuator
RHT Yakagadzirwa Nemunhu Marine / Simba Mabhaudhi nemhete zvinodzivirira ngura

Kukwanisa kugadzirisa hunhu hwemakanika kuburikidza nekupisa kunoita kuti 15-7PH ive alloy inoshandisika zvakanyanya.

14. Kugadzikana kweTembiricha uye Miganhu Yebasa

Simbi isingatsvi 15-7PH inochengetedza simba remakanika rakanaka kusvika550°C (1020°F)Pamusoro peizvi, kukwegura zvakanyanya kunogona kuderedza kuomarara uye kuramba kuneta. Mukushandiswa kwe cryogenic, inoramba yakasimba kusvika-200°C, zvichiita kuti ive yakakodzera kushandiswa pakupisa kwakanyanya uye kwakaderera.

15. Kudzora Hunhu uye Kuedza paSAKYSTEEL

SAKYSTELinoshandisa mitemo yakasimba yekusimbisa hunhu muchikamu chega chega chekurapa kupisa kuti ive nechokwadi chekuti mashandiro aro anoshanda zvakanaka.

Zvinhu zvese ndeizvi:

  • Kupisa kunorapwa mukatimavira emhepo inodzorwa

  • Yakasimbiswa kuburikidzakuomarara uye kuyedzwa kwekumanikidzwa

  • Zvatariswa kutisaizi yezviyo uye chimiro che microstructure

  • Inopihwa neEN 10204 3.1 / 3.2 zvitupa

(Chiratidzo cheSAKYSTEEL)

Bhaa rega rega, ndiro, newaya zvinonyatsoteverwa, zvichiita kuti zvive nyore kushandisa mumaindasitiri.

16. SAKYSTEEL Supply Range ye 15-7PH

Tinopa simbi isina ngura ye15-7PH mumhando nemamiriro anotevera:

  • Mabhawa neTsvimbo dzakatenderera- Yakanamirwa, RH950, kana TH1050

  • Maplate & Mapepa- Yakarapwa mushonga kana kuti yakwegura

  • Waya & Zvidimbu- Inotorwa nechando uye yakaoma mvura

  • Zvishongedzo & Mhete- Kupisa kwakagadzirwa zvinoenderana nezvinodiwa nevatengi

Masevhisi ekugadzirisa kupisa akagadzirwa anowanikwawo zvichienderana nezvinodiwa nevatengi.

17. Mabhenefiti ekupisa kwakagadziriswa 15-7PH

  1. Simba Rakakura-Kusvika-Kurema

  2. Kugadzikana Kwemadimikira Munguva Yekukwegura

  3. Hupenyu Hwakanaka Hwekuneta

  4. Zvivakwa zveMichina Zvinogoneka

  5. Kushanda Kwakafanana Pakupisa Kwakakwirira

Hunhu uhwu hunoita kuti 15-7PH ive mhinduro yakanaka yezvinetso zveinjiniya zvinonetsa mumaindasitiri akasiyana-siyana.

18. Kuenzanisa nedzimwe simbi dzisina ngura dzePH

chiwanikwa Chinhu Chinoomesa Simba Rakanyanya (MPa) Kupisa Kwakanyanya (°C) Kugona kusundira
15-7PH Aruminiyamu 1500+ 550 Kugona
17-4PH Mhangura 1300 315 Zvakanakisa
17-7PH Aruminiyamu 1300 425 Kugona

15-7PH inoshanda kupfuura 17-4PH uye 17-7PH musimba rekupisa kwakanyanya uye kuramba kuneta, kunyange hazvo 17-4PH ichiri nyore kusanganisa uye inodzivirira ngura zvakanyanya mumamiriro egungwa.

19. Pfupiso yeMamiriro Ekurapa Kupisa

Mamiriro Range yeTemp (°C) Mhedzisiro Yechikuru
A 1038 Yakanyorova, yakapfava, inogadzirwa
RH950 510 Simba guru, ductility yakanaka
TH1050 565 Kuomarara kwakanyanya, kuramba kuneta zvakanyanya
RHT900–1150 480–620 Simba/kusimba kwakaringana

Nekusarudza mamiriro akakodzera, vagadziri vanogona kufananidza mashandiro echigadzirwa ichi nezvinodiwa chaizvo pakushanda.

20. Mhedziso

15-7PH simbi isina ngurainopa kuchinjika kwakanyanya kuburikidza nemhando dzakasiyana dzemamiriro ayo ekupisa. Kubva payakapfava, inogadzirwaMamiriro Akune simba guru kwazvoTH1050mamiriro ezvinhu, chiumbwa ichi chinogona kugadzirwa kuti chisangane nezvinodiwa zvakasiyana-siyana zvekushanda - kubva kumatsime emuchadenga nemadiaphragm kusvika kuzvikamu zveturbine nezvikamu zvevharuvhu.

Zviriposarudzo dzekurapa kupisa— RH950, TH1050, uye mhando dzeRHT dzakasarudzika — dzinopa kutonga kusingaenzaniswi pamusoro pekushanda kwemakanika, zvichiita kuti zvive nyore kuvimbika kunyangwe mumamiriro ekumanikidzwa kwakanyanya, tembiricha, kana kuneta.

At SAKYSTEL, tinopa zvinhu zvesimbi isina ngura zve 15-7PH zvakabvumidzwa mumamiriro ese ekupisa akajairwa uye akagadzirwa nenzira yakasarudzika, zvakagadzirwa pasi pemitemo yemhando yepamusoro uye zvichitsigirwa nemagwaro akazara ehunyanzvi.

Nguva yekutumira: Gumiguru-29-2025