W amatanthauza kulemba, kuponya;
C-CARBON zitsulo zitsulo za carbon, A, b, ndi C zimasonyeza mphamvu yamtundu wa chitsulo kuyambira pansi mpaka pamwamba.
WCA, WCB, WCC imayimira chitsulo cha carbon, chomwe chili ndi ntchito yabwino yowotcherera komanso mphamvu zamakina.ABC imayimira mphamvu yamphamvu, yomwe imagwiritsidwa ntchito kwambiri ndi WCB.Chitoliro chogwirizana ndi WCB chiyenera kukhala A106B, ndipo zopangira zofananira ndi A105.Oyenera mavavu pansi ochiritsira kutentha ndi kupanikizika.
WC6 ndi kuponyedwa kwa aloyi zitsulo.Ili ndi kukana kwambiri kutentha kwambiri komanso antioxidant katundu ndipo ndi yoyenera mavavu pansi pa kutentha kwambiri komanso kupanikizika kwambiri.
Mapaipi ofanana ndi pafupifupi A355 P11, ndipo gawo lopangira ndi A182 F11;
Komanso, pali WC9, mkulu-kutentha aloyi zitsulo lolingana za A355 P22, ndi forging ayenera zikugwirizana A182 F22.
WC welded casting ali ndi mphamvu zambiri komanso kuuma.Oyenera ntchito wamba mafakitale.
LCB/LCC (ASTM A352) Chitsulo cha carbon chotsika chimakhala ndi kulimba kochepa komanso kukana dzimbiri.Ndizoyenera kugwiritsa ntchito kutentha kwapang'onopang'ono -otsika kwambiri, monga LPG gasi wachilengedwe (LNG).
Zfa Mavavu amapanga mavavu agulugufe wamba a WCB kwa makasitomala padziko lonse lapansi omwe ali ndi kutentha kofanana, komanso titha kupanga ma valve agulugufe a LCC kwa Makasitomala ochokera Kumpoto kwa Europe monga Russia, Finland etc.
pamwamba ndi WCBChina wafer butterfly valvendi LCCChina lug butterflyvalavu.
Zopangira zitsulo za kaboni ndi zida zopukutira zomwe zimagwiritsidwa ntchito m'mavavu
Zinthu Zofunika | Zindikirani | Nambala Yokhazikika | Nambala Yazinthu | ||
kuponyera | China | GB/T 12229 | WCA | Mtengo WCB | WCC |
ZG205-415 | ZG250-485 | ZG275-485 | |||
Amereka | ASTM A216/A216M | WCA | Mtengo WCB | WCC | |
UNS J02502 | UNS J03002 | UNS J02503 | |||
Zabodza | China | GB/T 12228GB/T 699 | 25 25Mn 35 40 A105 | ||
Amereka | ASTM A105/A105M | A105 |
Low -kutentha kuponyedwa zitsulo zinthu makalasi ndi kutentha ntchito
mtundu | C | C | C-Mn | C-Mo | 2.5 Ndi | Ndi-Cr-Mo | 3.5 Ndi | 4.5 ndi | 9 Ndi | Cr-Ni-Mo |
Nambala Yazinthu | LCA | Zithunzi za LCB | Mtengo wa LCC | Chithunzi cha LC1 | Chithunzi cha LC2 | Chithunzi cha LC2-1 | Chithunzi cha LC3 | Chithunzi cha LC4 | Chithunzi cha LC9 | Chithunzi cha CA6NM |
UNS No. | J02504 | J03303 | J02505 | J12522 | J22500 | J42215 | J31550 | J41500 | J31300 | J91540 |
Ntchito kutentha ℃ | -32 | -46 | -46 | -59 | -73 | -73 | -101 | -115 | -196 | -73 |
Zida za ASTM zopangira ndi kuyerekezera matebulo omwe amagwiritsidwa ntchito kwambiri m'mavavu (ASME B16.5)
Kusintha kwa ASTM | ASTM yapangidwa | Chinese No. | Ntchito kutentha ℃ | Kugwiritsa ntchito sing'anga | ||||
Chitsulo cha Carbon | ||||||||
A216 WCB | A105 | 20 | -29-427 | Madzi, nthunzi, mpweya, ndi mafuta amafuta | ||||
Low-kutentha mpweya zitsulo | ||||||||
Chithunzi cha A352 LCB | Chithunzi cha A350LF2 | 16Mn | -46-343 | Otsika kutentha sing'anga | ||||
Chithunzi cha A352 LCC | Chithunzi cha A350LF2 | 16Mn | -46-343 | Otsika kutentha sing'anga | ||||
High-kutentha aloyi zitsulo | ||||||||
A217 WC1 | A182 F1 | 20MnMo | - 29-454 | Kutentha kwakukulu ndi sing'anga yapamwamba | ||||
A217 WC6 | A182 F11 | 15CrMo | - 29-552 | Kutentha kwakukulu ndi sing'anga yapamwamba | ||||
A217 WC9 | A182 F22 | 10Cr2Mo1 | -29-593 | Kutentha kwakukulu ndi sing'anga yapamwamba | ||||
A217 C5 | A182 F5 | 1Cr5Mo | -29-650 | Zowononga kutentha kwapakati | ||||
martensitic zitsulo zosapanga dzimbiri | ||||||||
A217 CA15 | A182 F6a | 1Kr13 | - 29-371 | Mphamvu zotsika kuposa 304 pamwamba pa 450 ℃ | ||||
austenitic Stainless Steel (C≤0.08) | ||||||||
A351 CF8 | A182 F304 | 0Cr18Ni9 | -196-537 | Sing'anga zowononga | ||||
A351 CF3 | A182 F304L | -196-425 | Sing'anga zowononga | |||||
A351 CF8M | A182 F316 | Mtengo wa 0Cr18Ni12Mo2Ti | -196-537 | Sing'anga zowononga | ||||
A351 CF3M | A182 F316L | -196-425 | Sing'anga zowononga | |||||
Chitsulo chosapanga dzimbiri chotsika kwambiri cha carbon austenitic (C≤0.03) | ||||||||
A351 CF3 | A182 F304L | 00Cr18Ni10 | -196-427 | Sing'anga zowononga | ||||
A351 CF3M | A182 F316L | Mtengo wa 00Cr18Ni14Mo2 | -196-454 | Sing'anga zowononga | ||||
Special alloy | ||||||||
A351 CN7M | B462 ku.NO8020(ALLOY 20) | -29-149 | Oxidizing media ndi woipa wosiyanasiyana wa sulfuric acid | |||||
A494 M-30C(Moneli) | B564 ku.NO4400 | -29-482 | Hydrofluoric acid, madzi a m'nyanja |
Zindikirani: 1) ma valve opangidwa ndi thupi lopangidwa ndi thupi lolimba, losavuta kukhala ndi zolakwika, kukula kwake sikungagwirizane ndi zofooka za nkhungu, ntchito yodalirika yothamanga, yomwe imagwiritsidwa ntchito kwambiri pa kupanikizika kwambiri, mpweya wa okosijeni, m'mimba mwake pang'ono kapena ma valve ena ang'onoang'ono. kupanga kwapamwamba kwambiri, kuthamanga kwambiri kapena kutsika kapena kutsika kwapadera kapena zofalitsa zapadera pansi pa chisankho cha kufota;kuponyera nthawi zambiri kumangogwiritsidwa ntchito papakatikati komanso kutsika, ndipo kumagwiritsidwa ntchito popanga mavavu okhazikika pakupanga misa.
(2) Zinthu A351 CF3M ndi A182 F316L kusiyana: mfundo ziwiri zimagwirizana ndi zinthu 316 zitsulo zosapanga dzimbiri.CF3M limasonyeza kuti kuponyera, ambiri ntchito ngati zipangizo valavu.Khodi yachitsulo yofananira ndi A182 F316L.ASTM A216 WCB ikuponya, ndipo zojambula zake ndi A105;SS304 castings ndi A351-CF8, ndi forgings ndi A182-F304.
Nthawi yotumiza: Nov-07-2023