ASTM A747 Gutanga Ibisobanuro: Impamyabumenyi, Ibikoresho bya mashini & Porogaramu 

Iyo abajenjeri bahisemo ibyuma bidafite ibyuma bya serivise ziremereye hamwe na ruswa igaragara neza, ASTM A747 nimwe mubikoresho bikunze kuvugwa. ASTM A747 ikubiyemo imvura ikomera-ibyuma bitagira ibyuma, icyiciro cya ibice by'ibyuma ibyo bitanga impuzandengo yimbaraga nyinshi, kugenzurwa gukomera no kurwanya ruswa. Bitandukanye na austenitis isanzwe idafite ibyuma nka CF8M, ayo mavuta ateza imbere imikorere yubukorikori binyuze mu kuvura ubushyuhe bugenzurwa, aho gushingira gusa ku gukomera gukomeye. Aka gatabo karimo urwego rusanzwe, amanota aboneka, imipaka yubukanishi, imyitwarire ya ruswa, amategeko yo kuvura ubushyuhe, porogaramu zisanzwe hamwe nibitekerezo byingenzi biva muri ASTM A747.

ASTM A747 ni iki?

ASTM A747 ni ASTM isanzwe igereranya imvura-ikomera ibyuma bidafite ibyuma. Irasobanura ibisabwa mubigize imiti, imiterere yubukanishi, kuvura ubushyuhe, kugerageza, kugenzura no gushyiramo ibimenyetso byabigize bikozwe muri uyu muryango wavanze.

Ibipimo ngenderwaho bikurikizwa kubice bikozwe muburyo busanzwe bwo gukina, harimo gushora imari. Ireba ibice bisaba imbaraga zisumba izisanzwe zisanzwe za austenitike zidafite ibyuma mugihe gikomeza imikorere irwanya ruswa. ASTM A747 irakora ntabwo gutwikira imvura yaguye-ikomera ibyuma bidafite ingese. Irimo kandi amanota ya austenitis, ferritic na martensitike idafite amanota asobanuwe mubipimo bitandukanye nka ASTM A351.

Abashushanya akenshi bagaragaza ASTM A747 ku bishushanyo mbonera bya valve trim, ibice bya pompe hamwe nibikoresho byubatswe byerekanwe nibidukikije byoroheje kandi bitagoranye.

Icyitonderwa: Emeza nimero yanyuma ya ASTM A747 nimero yisubiramo hamwe numutwe wuzuye wuzuye mbere yo gusohora ibishushanyo byanyuma.

ASTM A747 Incamake Yamanota

ASTM A747 isobanura umurongo wimvura-ikomera ibyuma bitagira ibyuma. Buri cyiciro kirimo imiti yihariye kugirango igere ku buringanire bwihariye bwimbaraga, ubukana hamwe no kurwanya ruswa nyuma yimyaka ikomera.

Impamyabumenyi igaragazwa nibisanzwe. Amanota menshi yo gukina munsi ya ASTM A747 niyo casting ihwanye na bizwi bizwi cyane byimvura igwa-gukomera. Nyamara, microstructures hamwe nimbibi zumutungo bitandukanye na bagenzi babo bakoze kandi ntibishobora gufatwa nkibishobora guhinduka.

• Impamyabumenyi zishyizwe hamwe nintego zingirakamaro
• Kuvanga ibintu birimo umuringa, niobium na molybdenum bituma imvura ikomera
• Guhitamo amanota bigomba guhora bihujwe nuburyo busobanutse bwo kuvura ubushyuhe

Icyitonderwa: Kuramo urutonde rwuzuye rwuzuye kurutonde rwa ASTM A747 kurubu kugirango ubone akazi gasobanutse.

Ibikoresho bya tekinike ya ASTM A747

Ibikoresho bya ASTM A747 byuma byuma biterwa cyane nuburyo bwo kuvura ubushyuhe. Icyiciro kimwe gisubiza imbaraga zitandukanye cyane, imbaraga zitanga umusaruro, kuramba no gukomera iyo bigeragejwe mugisubizo cyakemuwe na leta ishaje.

Ibicuruzwa byemewe byemewe ukoresheje ibizamini bisuzumwa bitandukanye cyangwa ibizamini byo guhagararira gukurikiza amategeko y'icyitegererezo mubisanzwe. Kwakirwa bisuzumwa nibiciro byibuze bisabwa aho kuba indangagaciro.

Icyitonderwa cyimbonerahamwe: Imbonerahamwe ikurikira nicyitegererezo. Menyesha selile zose zifite agaciro ntarengwa uhereye kubikorwa ASTM A747 isubiramo mbere yo gukoresha tekiniki. Ntugasimbuze ibyakozwe 17-4 PH yumutungo wibisabwa.

Ibi biranga imbaraga nyinshi cyane bituma ASTM A747 ibyuma bidafite ibyuma bikwiranye nibice bipakiye aho CF8 cyangwa CF8M itujuje ibyangombwa bisabwa.

Kurwanya ruswa ya ASTM A747 Ibyuma bitagira umuyonga

ASTM A747 imvura igabanya ubukana ibyuma bitagira umuyonga bitanga imbaraga zokwangirika kwangirika kubidukikije byoroheje kandi byangirika, ariko ntibihuye nimikorere ya all-alloy austenitis cyangwa super duplex ikora ibyuma bitagira umwanda.

Imikorere ya ruswa igenwa na chimie yo mucyiciro, ubwiza bwo kuvura ubushyuhe, kurangiza hejuru nibidukikije bya serivisi:

• Bikwiranye n’amazi meza, guhura nikirere, kugabanya aside organic na serivisi ya chloride nkeya
• Ibyago byinshi byo gutobora no kwangirika kwangirika muri chloride yibanze, brine cyangwa acide ikomeye
• Gusaza cyangwa kurenza urugero birashobora gutesha agaciro imikorere yubukanishi hamwe no kurwanya ruswa

Ba injeniyeri benshi bavuga PREN (Piting Resistance ihwanye numubare) agaciro mugihe cyo kwerekana amanota ya serivise irimo chloride.

Icyitonderwa: Emeza ibisobanuro bisanzwe hamwe nuhagarariye PREN urutonde rwa buri cyiciro cya ASTM A747.

Ibisabwa byo kuvura ubushyuhe kuri ASTM A747

Kuvura ubushyuhe ntabwo ari intambwe yo kurangiza kubushake bwa ASTM A747. Ni itegeko kugera kubintu byihariye byagenwe. Ibipimo byerekana ibyiciro bibiri bikurikirana: kuvura igisubizo bikurikirwa no gukomera kwimvura (gusaza).

1. Umuti wo gukemura: Kasting yashyutswe mubushuhe bwagenwe kandi igafatwa kugirango imvura igwa hagati ya materique, hanyuma ikonje neza. Ibi bitanga microstructure yoroheje, imwe.
2. Gusaza / imvura igakomera: Gutera bishyushye kugeza hasi, bigenzurwa cyane kandi bigafatwa. Imvura nziza igaragara imbere muri matrix, izamura imbaraga zumusaruro, imbaraga zingutu hamwe nugukomera mugihe bigabanya guhindagurika.

Inzinguzingo zitandukanye zo gusaza zitanga imbaraga zitandukanye murwego rumwe. Kugura ibicuruzwa n'ibishushanyo mbonera bigomba kwerekana neza icyiciro hamwe nuburyo bukenewe bwo kuvura ubushyuhe. Castings yatanzwe idafite gusaza neza bizananirana ibizamini byo kwakira imitungo.

Icyitonderwa: Kusanya ibipimo byubushyuhe bwemewe, fata ibihe nibisabwa byo gukonjesha kuri buri cyiciro nibisabwa kuva ASTM A747.

Ubusanzwe Porogaramu ya ASTM A747 Gutera Ibice Byuma

ASTM A747 irwanya ruswa yatoranijwe iyo ibishushanyo bisaba imbaraga za mashini zihujwe no kurwanya ruswa iringaniye. Imikoreshereze isanzwe ikoreshwa mumazi, ibikoresho byamashanyarazi, inganda rusange nibikoresho bya peteroli na gaze.

Ibisanzwe ASTM A747 ibice birimo:

• Imashini zipompa, pompe zipompa kandi wambare impeta
• Imibiri ya Valve, trim trim hamwe nibice byo kwicara
• Amazi yo kugenzura ibyuma nibice bihuza
• Ibikoresho byinshi biremereye byubatswe nubushuhe cyangwa ibitero byoroheje byimiti
• Imashini yihuta yiteranya hamwe nibisobanuro bisaba gukomera no kurwanya ruswa

Uruzitiro ruto, ibintu bisobanutse neza muribi bice bikunze gukorwa hifashishijwe silika sol ishoramari. Ibikoresho biremereye birashobora gukoresha ubundi buryo bwo gukina iyo kurangiza hejuru nibisabwa kwihanganira bidakabije.

ASTM A747 vs Ibindi Bisanzwe Byuma Byuma Byuma

Abashakashatsi benshi bakunze kugereranya ni ASTM A747 kurwanya ASTM A351 CF8M, nubwo ibindi bisobanuro bitagira umwanda nabyo bikoreshwa mubikorwa.

• ASTM A747: Imvura-ikomera-ibyuma bidafite ibyuma. Itanga umusaruro mwinshi n'imbaraga zingana nyuma yo gusaza; Kurwanya ruswa biringaniye. Ibintu byanyuma biterwa rwose no kuvura ubushyuhe.
• ASTM A351 CF8M: Gutera ibyuma bya Austenitike bidafite ibyuma (bingana na 316). Imbaraga zo hasi, ihindagurika ryiza, irwanya ruswa; nta nzira yo kunaniza imyaka isabwa.

Hitamo ASTM A747 mugihe imbaraga nyinshi cyangwa ubukana aricyo kintu cyibanze gisabwa kandi serivisi ya ruswa iroroshye kandi igereranije. Hitamo CF8M mugihe imikorere ihamye ya austenitis ikora, gusudira no guhindagurika bitwara umwanya munini kuruta imbaraga nyinshi.

Icyitonderwa cyo kugenzura: Kwambukiranya imbonerahamwe yumutungo usanzwe kugirango urebe agaciro kagereranijwe nukuri kubisubiramo byemewe.

Ibyingenzi Byingenzi Mugihe Gushakisha ASTM A747 Ibice Byuma Byuma

Ibisobanuro bisobanutse neza iyo biva ASTM A747 ibyuma bidafite ibyuma bigabanya ibyuma bitumvikana, gutinda kubyara no kwangwa.

• Andika ibyiciro byombi hamwe nibisabwa kugirango ushushe ubushyuhe kubishushanyo na RFQs
• Kugaragaza ibisabwa kuri coupons yikizamini, NDT, kugerageza igitutu cyangwa kugenzura hejuru
• Emeza ko uruganda rwumva ibyakozwe 17-4 PH ntishobora gusimburwa bitemewe nubuhanga
• Sobanura uburyo bwo gutara ibisabwa: gutera ishoramari (silika sol cyangwa ikirahuri cyamazi), guta umucanga, cyangwa izindi nzira
• Saba ibyemezo byo kuvura ubushyuhe; raporo yikizamini cya mashini igomba guhuza nuburyo bwo kuvura ubushyuhe

Ibibazo byinshi byujuje ubuziranenge hamwe na A747 byaturutse kubisobanuro bituzuye, aho gukora nabi. Ibisabwa bidasobanutse byo kuvura ubushyuhe nibisanzwe bitera imizi.

Ibibazo bikunze kubazwa kuri ASTM A747

Ese ASTM A747 ishobora gusudwa?

ASTM A747 imvura-igabanya imvura idashobora kwangirika. Ariko, gusudira bihindura microstructure yaho nibintu bifatika. Uturere twa Weld twatakaje imiterere-y-imyaka, kandi hashobora gukenerwa kuvura ubushyuhe nyuma yo gusudira kugirango ugarure imikorere yubukanishi. Uburyo bwo gusudira bugomba kuba bujuje ibyiciro byihariye na serivisi isaba, kandi abashushanya bagomba gutegereza kugabanuka kwimbaraga zaho mukarere ka weld.

ASTM A747 irasa nkiyakozwe 17-4 PH?

No. Gusimbuza mu buryo butaziguye impapuro zabugenewe zisaba ibyemezo byubuhanga byemewe.

Ni ubuhe buryo bwo gukina bukwiranye na ASTM A747?

ASTM A747 ubwayo ntabwo itegeka inzira yihariye yo gukina. Gutera ishoramari bikoreshwa cyane mubice bigoye, byuzuye ASTM A747 ibyuma bidafite ibyuma. Gutera umucanga nabyo ni byiza kubice binini bifite ibipimo byoroheje bisabwa, ukurikije ubushobozi bwumushinga.

ASTM A747 irashobora gusimbuza CF8M?

Gusa nyuma yo gushushanya itsinda risuzuma imbaraga, guhindagurika, ibidukikije byangirika, imikorere yo gusudira hamwe nimbogamizi zo kuvura ubushyuhe. ASTM A747 itanga imbaraga zisumba izindi, nyamara ntabwo isumba isi yose mukurwanya ruswa cyangwa guhinduka.

Umwanzuro

ASTM A747 nicyo kintu cyibanze cyerekana imvura-ikomera ibyuma bitagira ibyuma. Inyungu yibanze ni ubushobozi bwo kugera ku mbaraga nyinshi no kugenzura ubukana binyuze mu gukomera kwimvura, mugihe hagumijwe kurwanya ruswa ishobora gukoreshwa mubidukikije byinshi byinganda.

Gukosora neza no gushakisha bishingiye kubintu bitatu byingenzi: guhitamo icyiciro gikwiye, gusobanura uburyo bukenewe bwo kuvura ubushyuhe, no kwemeza uruganda rutanga ibyangombwa byipimisha. Kubisabwa bikeneye imbaraga zisumba izisanzwe za austenitike zidafite ibyuma, ASTM A747 ibyuma bidafite ibyuma bitanga igisubizo cyizewe cya tekiniki - mugihe ibidukikije bya serivise bihuye nimbibi za ruswa.