ASTM A335 P91 Mtundu 2 machubu / P5 / P9 / P11 / P12 / P22

Kufotokozera Kwachidule:

ASTM A335 P91 Pipe, A335 P91 Aloyi Zitsulo Zopanda Mapaipi, ASME SA335 P91 Mapaipi

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Titumizireni imelo Zofotokozera Zamalonda

Tsatanetsatane wa Zamalonda

Zolemba Zamalonda

Womic Steel yadzikhazikitsa yokha ngati yodalirika yoperekera zida zapamwamba komanso mayankho pazaka 20. Ndi kudzipereka kuchita bwino, kampaniyo imapereka mafakitale osiyanasiyana, kupereka mayankho oyenerera kuti akwaniritse zosowa zenizeni. Zolemba zawo, zomwe zimaphatikizapo zida za ASTM A335 P91 Type 2 za premium, zimatengedwa kuchokera kwa opanga ovomerezeka padziko lonse lapansi ndipo zimasinthidwa mosalekeza kuti zikwaniritse miyezo yapamwamba kwambiri. Womic Steel imagwira ntchito popereka zida za P91 zopangira mphamvu zambiri, kuphatikiza mapaipi, zopangira, mavavu, ma flanges, ndi zina zambiri, kuwonetsetsa kuti makasitomala alandila zinthu zomwe zikuyenda bwino.

Ma Standars atha kuperekedwa kuchokera ku Womic Steel Group:

A335 Chrome Moly mapaipi

Mapaipi Azitsulo A335 Aloyi

Mapaipi Achitsulo A335 P5

Mapaipi Achitsulo A335 P9

Mapaipi Azitsulo A335 P11

Mapaipi Azitsulo A335 P12

Mapaipi Azitsulo A335 P22

Mapaipi Azitsulo A335 P91

Zofunika Kwambiri za ASTM A335 P91 Type 2 chubu
ASTM A335 P91 Type 2 ndi chitsulo cha chrome-moly alloy chomwe chimadziwika ndi mphamvu zake zapadera, kukana kutentha, komanso kukwawa. Imatchedwa creep strength-enhanced ferritic (CSEF) chitsulo, kupangitsa kuti ikhale yabwino kwa kutentha kwambiri komanso kupanikizika kwambiri. Zinthuzi zimatsata njira yochizira kutentha:

Normalize pa 1050 °C.

Kuzizira kwa mpweya mpaka 200 ° C.

Kutentha kwa 760 ° C.

Izi zimakulitsa mphamvu zake zokwawa komanso kukhazikika, ndikupangitsa kuti ikhale yabwino kwambiri pamadera ovuta.

Mapangidwe ndi Ubwino wa ASTM A335 P91 Steel Tubes
Chromium (9%): Imakulitsa mphamvu yotentha kwambiri, kukana kwa okosijeni, komanso makina amakina.

Molybdenum (1%): Imawonjezera kutha, kukana kuvala, komanso kutsika kwamphamvu kwamphamvu.

Vanadium ndi Columbium/Niobium: Kupititsa patsogolo mphamvu zakukwawa komanso kukana kutopa kwamafuta.

Ubwino wa ASTM A335 P91 Steel Tubes
Kuchepetsa makulidwe a khoma: Kumaloleza zida zopepuka, kuchepetsedwa nthawi yowotcherera, ndi chitsulo chocheperako.

Moyo wotopa kwambiri: Kufikira nthawi 10 kuposa omwe adalipo kale monga T22 kapena P22.

Kuwonjezeka kwa kutentha kwa ntchito: Kumapangitsa kuti pakhale ntchito zotentha kwambiri.

Mapulogalamu a ASTM A335 P91 Steel Tubes
P91 imagwiritsidwa ntchito kwambiri m'mafakitale omwe amafunikira zida zomwe zimatha kupirira kutentha kwambiri komanso kupanikizika. Ntchito zodziwika bwino ndi izi:

Kupanga mphamvu: Maboiler, mizere yotenthetseranso, ndi zomera zozungulira zophatikizika.

Zomera za Petrochemical: Zotenthetsera, zida zopangira mafuta, ndi ntchito zamafuta.

Makina a mapaipi otenthetsera kwambiri: Oyenera kupindika, kuwotcherera, kuwotcherera.

Mapangidwe a Chemical a ASTM A335 P91 Steel Tubes
Kapangidwe kake ka P91 kumatsimikizira magwiridwe ake apamwamba:

Mpweya: 0.08% -0.12%

Manganese: 0.30% - 0.60%

Chromium: 8.00% - 9.50%

Molybdenum: 0.85% - 1.05%

Vanadium: 0.18% - 0.25%

Nayitrogeni: 0.030% -0.070%

Zinthu zina: Nickel, aluminiyamu, columbium, titaniyamu, ndi zirconium pamlingo wolamulidwa.

Mechanical Properties
Kulimbitsa Mphamvu: Osachepera 85,000 PSI (585 MPa).

Mphamvu Zokolola: Osachepera 60,000 PSI (415 MPa).

Kuwotcherera ndi Kutentha kwa ASTM A335 P91 Machubu achitsulo
Kuwotcherera P91 kumafuna kutsatira mosamalitsa njira zosungira katundu wake:

Kutenthetsa: Kofunikira kuti mupewe kusweka kopangidwa ndi haidrojeni.

Kuwongolera kutentha kwa inter-pass: Kusungidwa pogwiritsa ntchito makina otenthetsera amakono.

Post-weld heat treatment (PWHT): Ndikofunikira kuti mukwaniritse zomwe mukufuna ndikupewa zolephera.

Ma elekitirodi owotcherera: Ayenera kufanana ndi kapangidwe kazinthu za makolo.

Chifukwa Chiyani Musankhe Machubu Achitsulo a Womic ASTM A335 P91?
Kuwerengera kwakukulu: Zida zapamwamba za P91 pazosowa zanu zonse.

ukatswiri: Gulu lodziwa zambiri kuti likutsogolereni pakusankha zinthu ndi kugwiritsa ntchito.

Kudzipereka ku khalidwe: Zida zabwino zokhazokha zochokera kwa opanga ovomerezeka.

Pazofunikira zanu zonse za ASTM A335 P91 Type 2, funsani Womic Steel lero. Gulu lawo ndi lokonzeka kupereka mayankho omwe amaposa zomwe mukuyembekezera ndikupereka zida zapamwamba kwambiri zama projekiti anu.