W bivuze kwandika, gushushanya;
C-CARBON STEEL icyuma cya karuboni, A, b, na C bigaragaza agaciro k'imbaraga z'ubwoko bw'icyuma kuva hasi kugeza hejuru.
WCA, WCB, WCC bigaragaza icyuma cya karuboni, gifite ubushobozi bwo gusudira neza kandi gifite imbaraga za mekanike. ABC igaragaza urwego rw'imbaraga, WCB ikoreshwa cyane. Ibikoresho by'umuyoboro bihuye na WCB bigomba kuba A106B, naho ibikoresho byo gucura bihuye nabyo ni A105. Bikwiriye gukoreshwa mu mavali munsi y'ubushyuhe n'umuvuduko bisanzwe.
WC6 ni icyuma gikozwe mu byuma bivanze n'ibyuma. Ifite ubushobozi bwo kurwanya ubushyuhe bwinshi n'ubudahangarwa bw'umubiri kandi ikwiriye gukoreshwa mu mavali mu gihe cy'ubushyuhe bwinshi n'umuvuduko mwinshi.
Ibikoresho by'imiyoboro bihuye ni hafi A355 P11, naho igice cyo gucukura ni A182 F11;
Byongeye kandi, hari WC9, icyuma gishyushye cyane, gihwanye na hafi A355 P22, kandi icukurwamo rigomba kuba rihuye na A182 F22.
Gusukamo imashini ikoresheje WC bifite imbaraga nyinshi kandi bikomeye. Bikwiriye gukoreshwa mu nganda zisanzwe.
LCB/LCC (ASTM A352) Icyuma cya karuboni gishyuha cyane gifite ubukonje buke kandi kirwanya ingese. Kirakwiriye gukoreshwa mu bushyuhe buke cyane, nka gaze karemano ya LPG (LNG).
Zfa Valves zikora valve zisanzwe za WCB butterfly ku bakiriya bo hirya no hino ku isi zifite ubushyuhe busanzwe, kandi dushobora no gukora valve za LCC butterfly ku bakiriya bo mu majyaruguru y'u Burayi nko mu Burusiya, muri Finlande n'ahandi.
hejuru ni WCBValve y'ikinyugunyugu cy'Abashinwana LCCIkinyugunyugu cy'ikinyugunyugu cy'Abashinwavalve.
Ibyuma bya karuboni bicuzwe n'ibikoresho bicuzwe bikunze gukoreshwa mu mavali
| Imiterere y'Ibikoresho | Itangazo | Nimero Isanzwe | Umubare w'ibikoresho | ||
| guterera | Ubushinwa | GB/T 12229 | WCA | WCB | WCC |
| ZG205-415 | ZG250-485 | ZG275-485 | |||
| Amerika | ASTM A216/A216M | WCA | WCB | WCC | |
| UNS J02502 | UNS J03002 | UNS J02503 | |||
| Ihimbano | Ubushinwa | GB/T 12228GB/T 699 | 25 25Mn 35 40 A105 | ||
| Amerika | ASTM A105/A105M | A105 | |||
Ingano y'ibikoresho by'icyuma gikozwe mu bushyuhe buke n'ubushyuhe bukwiye
| ubwoko | C | C | C-Mn | C-Mo | 2.5Ni | Ni-Cr-Mo | 3.5Ni | 4.5Ni | 9Ni | Cr-Ni-Mo |
| Umubare w'ibikoresho | LCA | LCB | LCC | LC1 | LC2 | LC2-1 | LC3 | LC4 | LC9 | CA6NM |
| Nomero ya UNS | J02504 | J03303 | J02505 | J12522 | J22500 | J42215 | J31550 | J41500 | J31300 | J91540 |
| Ubushyuhe bukoreshwa ℃ | -32 | -46 | -46 | -59 | -73 | -73 | -101 | -115 | -196 | -73 |
Imbonerahamwe zo kugereranya ibikoresho bya ASTM zikoreshwa cyane mu mavali (ASME B16.5)
| ASTM yo gukata | ASTM yahimbwe | Nomero y'Abashinwa | Ubushyuhe bukoreshwa ℃ | Uburyo bukoreshwa | ||||
| Icyuma cya karuboni | ||||||||
| A216 WCB | A105 | 20 | -29~427 | Amazi, umwuka w'umwuka, umwuka n'ibikomoka kuri peteroli | ||||
| Icyuma cya karuboni gishyuha cyane | ||||||||
| A352 LCB | A350 LF2 | Mn 16 | -46~343 | Ubushyuhe buri hasi | ||||
| A352 LCC | A350 LF2 | Mn 16 | -46~343 | Ubushyuhe buri hasi | ||||
| Icyuma cy'ubushyuhe bwinshi | ||||||||
| A217 WC1 | A182 F1 | 20MnMo | -29~454 | Ubushyuhe bwinshi n'umuvuduko mwinshi | ||||
| A217 WC6 | A182 F11 | 15CrMo | -29~552 | Ubushyuhe bwinshi n'umuvuduko mwinshi | ||||
| A217 WC9 | A182 F22 | 10Cr2Mo1 | -29~593 | Ubushyuhe bwinshi n'umuvuduko mwinshi | ||||
| A217 C5 | A182 F5 | 1Cr5Mo | -29~650 | Ubushyuhe buri hejuru bushobora kwangirika | ||||
| icyuma kitagira umugese cya martensitic | ||||||||
| A217 CA15 | A182 F6a | 1Cr13 | -29~371 | Ingufu ziri munsi ya 304 hejuru ya 450℃ | ||||
| Icyuma kitagira umugese cya austenitic (C≤0.08) | ||||||||
| A351 CF8 | A182 F304 | 0Cr18Ni9 | -196~537 | Uburyo bwo kwangiza | ||||
| A351 CF3 | A182 F304L | -196~425 | Uburyo bwo kwangiza | |||||
| A351 CF8M | A182 F316 | 0Cr18Ni12Mo2Ti | -196~537 | Uburyo bwo kwangiza | ||||
| A351 CF3M | A182 F316L | -196~425 | Uburyo bwo kwangiza | |||||
| Icyuma kitagira umugese cya austenitic gifite carbon nkeya cyane (C≤0.03) | ||||||||
| A351 CF3 | A182 F304L | 00Cr18Ni10 | -196~427 | Uburyo bwo kwangiza | ||||
| A351 CF3M | A182 F316L | 00Cr18Ni14Mo2 | -196~454 | Uburyo bwo kwangiza | ||||
| Ingano yihariye | ||||||||
| A351 CN7M | B462 Gr. NO8020 (ALLOY 20) | -29~149 | Oxidizing media n'ingano zitandukanye za aside sulfuriki | |||||
| A494 M-30C (Monel) | B564 Gr. NO4400 | -29~482 | Aside y'amazi y'inyanja, aside fluorike | |||||
Icyitonderwa: 1) Imiterere y'ibikoresho by'umubiri wa valve ikoze mu buryo bw'ubucucike, ntabwo byoroshye kugira inenge, ingano z'imiterere ntizigengwa n'imbogamizi z'ibimera, imikorere y'umuvuduko yizewe, ikoreshwa cyane cyane mu miterere y'umuvuduko mwinshi, ogisijeni, umurambararo muto cyangwa izindi valve nto mu gukora ibikoresho bishyushye cyane, umuvuduko mwinshi cyangwa ubushyuhe buke cyangwa byihariye bihiswemo forging; gusigwa muri rusange bikorwa gusa ku muvuduko uringaniye n'uwo hasi, kandi bikoreshwa mu gusimbuza valve ku musaruro munini.
(2) Itandukaniro ry'ibikoresho A351 CF3M na A182 F316L: ibipimo bibiri bihuye n'ibikoresho ni icyuma kitagira umugese 316. CF3M igaragaza ko gucukura, bikunze gukoreshwa nk'ibikoresho bya valve. Kode y'icyuma ijyanye nayo ni A182 F316L. ASTM A216 WCB ni ugucukura, kandi gucukura kwayo ni A105; gucukura kwa SS304 ni A351-CF8, naho gucukura ni A182-F304.
Igihe cyo kohereza: Ugushyingo-07-2023