Chitoliro cha Alloy P11 ndi Chitoliro cha Alloy P22

Ngati mukufuna kudziwa zambiri, monga mtengo, zinthu, mayankho, ndi zina zotero, plendiLumikizanani nafe pa intaneti.

Tianjin Sanon Steel Pipe Co., Ltd. ndi kampani yogulitsa masheya. Fakitale yathu yogulitsa masheya ili mumzinda wa Cangzhou, m'chigawo cha Hebei. Malo athu akuluakulu ogulitsa katundu ndi awa:mapaipi a boiler, ndipo zipangizo zoyimira ndiASTM A335 P5/P11/P91/P92,ASME SA-106/SA-106MGR.B,GB/T 3087-200810#/20#. Zipangizo zoyimira mapaipi a mapaipi ndiAPI 5L,API 5CT, zipangizo zoyimira mapaipi osweka mafutaGB/T 9948ndi 15MoG/12CrMoVGGB/T 6479-2013 ikuyimira zinthu 10#/20#, machubu osinthira kutentha SA179/SA210/SA192, ndi zina zotero, machubu amakina GB/T 8162 akuyimira zinthu 10#/20#/Q345/42CrMo, EN10210 ikuyimira zinthu S355JOH/S355J2H, machubu a silinda ya gasi GB1 8248, akuyimira zinthu 34CrMo4/30CrMo.

Mapaipi achitsulo chopanda msoko opangidwa ndiASTM A335 P11ndiASTM A335 P22amagwiritsidwa ntchito kwambiri m'mafakitale opanga mafuta ndi magetsi popanga zinthu zotentha kwambiri komanso zosapanikizika. Ngakhale kuti zonsezi ndi mapaipi achitsulo a chromium-molybdenum omwe atchulidwa pansi pa muyezo wa ASTM A335, amasonyeza kusiyana kwakukulu pa magwiridwe antchito ndi momwe amagwiritsidwira ntchito. Kumvetsetsa kusiyana kumeneku ndikofunikira kwambiri pakupanga uinjiniya, kusankha zinthu, komanso kuwongolera khalidwe la kugula.

Kapangidwe ka mankhwala ndiye chinthu chachikulu chomwe chimasiyanitsa zinthu ziwirizi.Chitoliro cha A335 P11Kapangidwe ka mankhwala kamakhala ndi magawo pafupifupi 1.00 mpaka 1.50 a chromium ndi magawo 0.44 mpaka 0.65 a molybdenum. ASTM A335 P22, kumbali ina, ili ndi zinthu zambiri zophatikiza, zokhala ndi chromium pafupifupi magawo 1.90 mpaka 2.60 ndi kuchuluka kwa molybdenum kuyambira magawo 0.87 mpaka 1.13. Kusiyana kumeneku kwa kapangidwe kake kumabweretsa kusiyana kwakukulu pakugwira ntchito kwawo kutentha kwambiri. Kuchuluka kwa chromium ndi molybdenum kwa P22 kumapereka mphamvu yapamwamba kwambiri kutentha, kukana okosijeni, komanso kukana kukwawa.

Ponena za kusankha zipangizo zogwiritsira ntchito uinjiniya, momwe zinthu ziwirizi zimagwiritsidwira ntchito zimasiyana kwambiri. P11 nthawi zambiri imagwiritsidwa ntchito m'malo otentha apakati ndi opanikizika ndipo imapezeka kwambiri m'mapaipi opangira mafuta, mapaipi otentha otsika kutentha m'maboiler amagetsi, ndi machitidwe ena osinthira kutentha. Kutentha kwake kwapangidwe nthawi zambiri kumakhala pansi pa 550°C. Komabe, P22 idapangidwira malo otentha kwambiri komanso opanikizika kwambiri ndipo ndi chinthu chomwe chimakondedwa kwambiri pa mapaipi otentha kwambiri komanso obwezeretsanso kutentha m'maboiler amagetsi, komanso mapaipi otentha kwambiri komanso opanikizika kwambiri m'makampani opanga mafuta. Imasunga mawonekedwe abwino kwambiri amakina komanso kukana dzimbiri pa kutentha kwa kapangidwe kake ka 580°C ndi kupitirira apo.

Pogula zipangizo ziwirizi, chisamaliro chapadera chiyenera kuperekedwa ku kusiyana kwa zofunikira zawo zaukadaulo. Ponena za kusiyana kwa makulidwe a khoma, zonse ziwiri zimatsatira mulingo wofanana wololera womwe wafotokozedwa ndiMuyezo wa ASTM A335Pogula, ogulitsa ayenera kupemphedwa kuti apereke malipoti owunikira mwatsatanetsatane kuti atsimikizire kuti makulidwe a khoma akukwaniritsa zofunikira pa mapaipi opanikizika. Ponena za kuwongolera kapangidwe ka mankhwala, ogwira ntchito yogula ayenera kuyang'anitsitsa zikalata zazinthu kuti atsimikizire kuti zomwe zili muzinthu zofunika monga chromium ndi molybdenum zikukwaniritsa zofunikira. Chofunika kwambiri, kuchuluka kwa molybdenum pa P22 ndi kwakukulu kwambiri kuposa kwa P11, komwe ndikofunikira kwambiri pakuwonetsetsa kuti kutentha kumakhala kogwira ntchito bwino. Kuphatikiza apo, pogula, chithandizo choyenera cha kutentha chiyenera kusankhidwa kutengera malo ogwiritsira ntchito. Kubwezeretsa ndi kutenthetsa nthawi zambiri ndiye chisankho chabwino kwambiri chotsimikizira magwiridwe antchito azinthu.

Ngakhale kuti ASTM A335 P11 ndi P22 zili m'gulu lomwelo la chitsulo cha chromium-molybdenum alloy, P22 imapereka magwiridwe antchito abwino kwambiri chifukwa cha kuchuluka kwa alloy, zomwe zimapangitsa kuti ikhale ndi mtengo wokwera wogulira. Zinthu monga kutentha kogwirira ntchito, magawo a kuthamanga, mawonekedwe a media, ndi bajeti ya ndalama ziyenera kuganiziridwa mokwanira popanga uinjiniya ndi kusankha zinthu. Panthawi yogula, mfundo zazikulu monga kapangidwe ka mankhwala, mawonekedwe a makina, ndi kulekerera kwa miyeso ziyenera kulamulidwa mosamala kuti zitsimikizire kuti zinthuzo zikukwaniritsa zofunikira pakupanga ndi miyezo yachitetezo. Kusankha bwino zinthu ndi kuwongolera mwamphamvu khalidwe logula ndikofunikira kwambiri kuti zitsimikizire kuti makina opangira mapaipi otentha kwambiri akugwira ntchito bwino kwa nthawi yayitali.

P11伟浩

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