W zvinoreva kunyora, kukandwa;
C-CARBON STEEL carbon steel, A, b, uye C inoratidza kukosha kwesimba remhando yesimbi kubva pasi kusvika kumusoro.
WCA, WCB, WCC inomiririra kabhoni simbi, ine yakanaka welding performance uye mechanical simba.ABC inomiririra danho resimba, rinowanzoshandiswa WCB.Iyo pombi yezvinhu inoenderana neWCB inofanirwa kunge iri A106B, uye inoenderana yekugadzira zvinhu iA105.Inokodzera mavharuvhu pasi peyakajairika tembiricha uye kumanikidzwa.
WC6 ndiko kukandwa kwesimbi yealloy.Iyo ine yakanakisa tembiricha yekudzivirira uye antioxidant zvimiro uye inokodzera mavharuvhu pasi pekushisa kwakanyanya uye yakanyanya kudzvanywa mamiriro.
Iyo inoenderana pombi zvinhu ndeye A355 P11, uye chikamu chekugadzira chiri A182 F11;
Mukuwedzera, pane WC9, high-temperature alloy simbi, inoenderana neA355 P22, uye kuumba kunofanira kuenderana neA182 F22.
WC welded casting ine simba rakakura uye kuoma.Inokodzera zvechinyakare maindasitiri application.
LCB/LCC (ASTM A352) Yakaderera -tembiricha kabhoni simbi ine kusimba kwakadzika uye kushomeka kwekudzivirira.Yakakodzera kune yakaderera -temperature yekupedzisira -yakaderera tembiricha kunyorera, seLPG gasi rechisikigo (LNG).
Zfa Mavharuvhu anogadzira akajairwa WCB butterfly mavharuvhu kune vatengi pasi rese neyakafanana tembiricha, uye isu zvakare tinokwanisa kugadzira LCC butterfly mavharuvhu eVatengi kubva Kuchamhembe kweEurope seRussia, Finland nezvimwe.
pamusoro pane WCBChina wafer butterfly valveuye LCCChina lug butterflyvharafu.
Carbon simbi castings uye zvinhu zvakaumbwa zvinowanzoshandiswa mumavharuvhu
| Material Status | Cherechedzai | Standard Number | Material Number | ||
| casting | 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 | |||
| Forged | China | GB/T 12228GB/T 699 | 25 25Mn 35 40 A105 | ||
| America | ASTM A105/A105M | A105 | |||
Yakaderera -tembiricha yakakanda simbi zvinhu mamakisi uye inoshanda tembiricha
| type | C | C | C-Mn | C-Mo | 2.5Ni | Ni-Cr-Mo | 3.5Ni | 4.5Ni | 9Ni | Cr-Ni-Mo |
| Material Number | LCA | LCB | LCC | LC1 | LC2 | LC2-1 | LC3 | LC4 | LC9 | CA6NM |
| UNS Nha. | J02504 | J03303 | J02505 | J12522 | J22500 | J42215 | J31550 | J41500 | J31300 | J91540 |
| Kushanda tembiricha ℃ | -32 | -46 | -46 | -59 | -73 | -73 | -101 | -115 | -196 | -73 |
ASTM zvinhu zvekuumba uye kukanda kuenzanisa matafura anowanzoshandiswa mumavharuvhu (ASME B16.5)
| ASTM kukanda | ASTM yakagadzirwa | Chinese Nha. | Kushanda tembiricha ℃ | Inoshandiswa pakati | ||||
| Carbon Steel | ||||||||
| A216 WCB | A105 | 20 | -29~427 | Mvura, chiutsi, mhepo, uye petroleum zvigadzirwa | ||||
| Low-tembiricha kabhoni simbi | ||||||||
| A352 LCB | A350 LF2 | 16Mn | -46~343 | Low tembiricha yepakati | ||||
| A352 LCC | A350 LF2 | 16Mn | -46~343 | Low tembiricha yepakati | ||||
| High-temperature alloy simbi | ||||||||
| A217 WC1 | A182 F1 | 20MnMo | -29~454 | High tembiricha uye high pressure medium | ||||
| A217 WC6 | A182 F11 | 15CrMo | -29~552 | High tembiricha uye high pressure medium | ||||
| A217 WC9 | A182 F22 | 10Cr2Mo1 | -29~593 | High tembiricha uye high pressure medium | ||||
| A217 C5 | A182 F5 | 1Cr5Mo | -29~650 | Corrosive high temperature medium | ||||
| martensitic simbi isina tsvina | ||||||||
| A217 CA15 | A182 F6a | 1Kr13 | -29~371 | Simba rakaderera pane 304 pamusoro pe450 ℃ | ||||
| austenitic Stainless Steel (C≤0.08) | ||||||||
| A351 CF8 | A182 F304 | 0Cr18Ni9 | -196~537 | Corrosive medium | ||||
| A351 CF3 | A182 F304L | -196~425 | Corrosive medium | |||||
| A351 CF8M | A182 F316 | 0Cr18Ni12Mo2Ti | -196~537 | Corrosive medium | ||||
| A351 CF3M | A182 F316L | -196~425 | Corrosive medium | |||||
| Ultra yakaderera kabhoni austenitic simbi isina tsvina (C≤0.03) | ||||||||
| A351 CF3 | A182 F304L | 00Cr18Ni10 | -196~427 | Corrosive medium | ||||
| A351 CF3M | A182 F316L | 00Cr18Ni14Mo2 | -196~454 | Corrosive medium | ||||
| Special alloy | ||||||||
| A351 CN7M | B462 Gr.NO8020(ALLOY 20) | -29~149 | Oxidizing midhiya uye akasiyana siyana e sulfuric acid | |||||
| A494 M-30C(Monel) | B564 Gr.NO4400 | -29~482 | Hydrofluoric acid, mvura yegungwa | |||||
Ongorora: 1) forged valve body material organisation dense, hazvisi nyore kuva nekuremara, zvimiro zvechimiro hazvisi pasi pemiganho yekuumbwa, yakavimbika kumanikidza kuita, inonyanya kushandiswa pakumanikidza kwakanyanya, mamiriro eokisijeni, dhayamita diki kana imwe batch diki yevhavha pa kugadzirwa kwepamusoro-tembiricha, yakakwirira-kudzvanywa kana kuderera-kupisa kana yakakosha midhiya pasi pesarudzo yeforoma;kukanda kunowanzo shanda chete kune yepakati uye yakaderera-kudzvanywa, uye inoshandiswa kune yakajairwa kuumba mavharuvhu pakugadzirwa kwehuwandu.
(2) Material A351 CF3M uye A182 F316L musiyano: zviyero zviviri zvinoenderana nezvinhu 316 simbi isina tsvina.CF3M inoratidza kuti kukanda, kunowanzoshandiswa semidziyo yevharuvhu.Inoenderana forging simbi kodhi ndeye A182 F316L.ASTM A216 WCB iri kukanda, uye maumbirwo ayo ari A105;SS304 castings vari A351-CF8, uye forgings vari A182-F304.
Nguva yekutumira: Nov-07-2023