Ungasarudza sei zvinhu zveWCB/LCB/LCC/WC6/WC zvevharuvhu?

W zvinoreva kunyora, kukanda;

C-CARBON STEEL simbi yekabhoni, A, b, naC inoratidza simba remhando yesimbi kubva pasi kusvika kumusoro.

WCA, WCB, WCC zvinomiririra simbi yekabhoni, ine mashandiro akanaka ekuwelda uye simba remakanika. ABC inomiririra simba, iyo inowanzo shandiswa neWCB. Zvinhu zvepaipi zvinoenderana neWCB zvinofanira kuva A106B, uye zvinhu zvinoenderana nekugadzira iA105. Zvakakodzera mavharuvhu pasi pekupisa kwakajairika nekumanikidzwa.

WC6 isimbi inoshandiswa kugadzira alloy steel. Inodzivirira kupisa kwakanyanya uye ine simba rekuchengetedza antioxidant uye yakakodzera mavharuvhu kana paine tembiricha yakakwira uye kumanikidzwa kwakakwira.

Zvinhu zvepaipi zvinoenderana nazvo zvinenge A355 P11, uye chikamu chekuumba iA182 F11;

Pamusoro pezvo, kune WC9, simbi yesimbi inodziya zvakanyanya, inoenderana neinenge A355 P22, uye forging inofanira kuenderana neA182 F22.

Kukanda kwesimbi kwakasungirirwa neWC kune simba rakawanda uye kuomarara. Kwakakodzera kushandiswa mumaindasitiri.

LCB/LCC (ASTM A352) Simbi yekabhoni ine tembiricha yakaderera ine kusimba kushoma uye inodzivirira ngura. Yakakodzera kushandiswa patembiricha yakaderera, senge LPG natural gas (LNG).

Mavharuvhu eZfa anogadzira mavharuvhu eWCB butterfly anowanzo shandiswa nevatengi pasi rese vane tembiricha yakafanana, uye tinokwanisawo kugadzira mavharuvhu eLCC butterfly kuvatengi vanobva kuchamhembe kweEurope vakaita seRussia, Finland nezvimwewo.

vharuvhu yeshavishavi yewcb nelccpamusoro apa pane WCBChina chitete shavishavi vharafuuye LCCShashafura yerudzi rweChinavharuvhu.

Zvishandiso zvesimbi yekabhoni nezvinhu zvakagadzirwa zvinowanzoshandiswa mumavharuvhu

Mamiriro Ezvinhu Zivisa Nhamba Yakajairika Nhamba Yezvinhu
kukanda China GB/T 12229 WCA WCB WCC
ZG205-415 ZG250-485 ZG275-485
America ASTM A216/A216M WCA WCB WCC
UNS J02502 UNS J03002 UNS J02503
Yakagadzirwa China GB/T 12228GB/T 699 25 25Mn 35 40 A105
America ASTM A105/A105M A105

 

Magiredhi esimbi akakandwa mutembiricha yakaderera uye tembiricha inoshanda

mhando C C C-Mn C-Mo 2.5Ni Ni-Cr-Mo 3.5Ni 4.5Ni 9Ni Cr-Ni-Mo
Nhamba Yezvinhu LCA LCB LCC LC1 LC2 LC2-1 LC3 LC4 LC9 CA6NM
Nhamba yeUNS J02504 J03303 J02505 J12522 J22500 J42215 J31550 J41500 J31300 J91540
Tembiricha inoshanda ℃ -32 -46 -46 -59 -73 -73 -101 -115 -196 -73

 

Matafura ekuenzanisa ekugadzira nekukanda zvinhu zveASTM anowanzoshandiswa mumavharuvhu (ASME B16.5)

Kukanda kweASTM ASTM yakagadzirwa Nhamba yeChinese Tembiricha inoshanda ℃ svikiro rinoshanda
Simbi yeKabhoni
A216 WCB A105 20 -29~427 Mvura, utsi, mhepo, uye zvigadzirwa zvepeturu
Simbi yekabhoni inodziya zvishoma
A352 LCB A350 LF2 16Mn -46~343 Tembiricha yakaderera
A352 LCC A350 LF2 16Mn -46~343 Tembiricha yakaderera
Simbi yesimbi inodziya zvakanyanya
A217 WC1 A182 F1 20MnMo -29~454 Tembiricha yepamusoro uye dhigiriji yepamusoro
A217 WC6 A182 F11 15CrMo -29~552 Tembiricha yepamusoro uye dhigiriji yepamusoro
A217 WC9 A182 F22 10Cr2Mo1 -29~593 Tembiricha yepamusoro uye dhigiriji yepamusoro
A217 C5 A182 F5 1Cr5Mo -29~650 Inoparadza tembiricha yepamusoro
simbi isina ngura yemartensitic
A217 CA15 A182 F6a 1Cr13 -29~371 Simba rakaderera pane 304 pamusoro pe 450℃
Simbi Isina Kugadzirwa (austenitic Stainless Steel) (C≤0.08)
A351 CF8 A182 F304 0Cr18Ni9 -196~537 svikiro rinoparadza
A351 CF3 A182 F304L -196~425 svikiro rinoparadza
A351 CF8M A182 F316 0Cr18Ni12Mo2Ti -196~537 svikiro rinoparadza
A351 CF3M A182 F316L -196~425 svikiro rinoparadza
Simbi isina ngura ye Ultra low carbon austenitic (C≤0.03)
A351 CF3 A182 F304L 00Cr18Ni10 -196~427 svikiro rinoparadza
A351 CF3M A182 F316L 00Cr18Ni14Mo2 -196~454 svikiro rinoparadza
Chiwanikwa chakakosha
A351 CN7M B462 Gr. NO8020 (ALLOY 20) -29~149 Oxidizing media uye kuwanda kwakasiyana-siyana kwe sulfuric acid
A494 M-30C(Monel) B564 Gr. NO4400 -29~482 Hydrofluoric acid, mvura yegungwa

 

Cherechedza: 1) vharuvhu yakagadzirwa, yakakora, haina zvikanganiso, saizi yezvivakwa haina kukanganiswa ne mold, inoshanda zvakanaka, inonyanya kushandiswa pakugadzira mavharuvhu ane oxygen, dhayamita diki kana mamwe mavharuvhu madiki pakugadzira mavharuvhu ane temperature yakakwira, pressure yakakwira kana low-temperature kana special media pasi pesarudzo yekugadzira; casting inowanzo shanda chete pamagetsi epakati neakaderera, uye inoshandiswa pakugadzira mavharuvhu akajairika.

(2) Musiyano wezvinhu A351 CF3M neA182 F316L: zviyero zviviri zvinoenderana nechinhu chacho isimbi isingasvibi 316. CF3M inoratidza kuti kukanda, kunowanzoshandiswa sezvinhu zvevharuvhu. Kodhi yesimbi yekuumba inoenderana nayo iA182 F316L. ASTM A216 WCB ndiyo inokanda, uye kukanda kwayo iA105; kukanda kweSS304 iA351-CF8, uye kukanda kweA182-F304.

 


Nguva yekutumira: Mbudzi-07-2023