ASTM A335 P91 Uhlobo 2 iityhubhu / P5 / P9 / P11 / P12 / P22 Umfanekiso obonakalayo

I-ASTM A335 P91 Uhlobo lwe-2 iityhubhu / P5 / P9 / P11 / P12 / P22

Inkcazelo emfutshane:

I-ASTM A335 P91 Pipe, i-A335 P91 ingxubevange yentsimbi imibhobho yentsimbi, i-ASME SA335 P91 imibhobho

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Thumela i-imeyile kuthi IiNkcazo zeMveliso

Iinkcukacha zeMveliso

Iithegi zeMveliso

I-Womic Steel izimise njengomboneleli othembekileyo wezinto ezikumgangatho ophezulu kunye nezisombululo kwiminyaka engama-20. Ngokuzibophelela ekugqweseni, inkampani ibonelela kuluhlu olubanzi lwamashishini, inika izisombululo ezilungiselelwe ukuhlangabezana neemfuno ezithile. Uluhlu lwabo, olubandakanya i-premium ASTM A335 P91 Uhlobo lwezixhobo ze-2, lufunyenwe kubavelisi abavunyiweyo bamazwe ngamazwe kwaye luhlaziywa ngokuqhubekayo ukuhlangabezana nemigangatho ephezulu. I-Womic Steel igxile ekuboneleleni ngemathiriyeli yeP91 kusetyenziso lwamandla aphezulu, kubandakanywa imibhobho, izifakelo, iivalvu, iiflange, nokunye, ukuqinisekisa ukuba abathengi bafumana ezona mveliso zisebenza kakuhle.

Imigangatho inokubonelelwa kwiWomic Steel Group:

A335 Chrome Moly Imibhobho

Imibhobho yentsimbi ye-A335

Imibhobho yentsimbi ye-A335 P5

Imibhobho yentsimbi ye-A335 P9

Imibhobho yentsimbi ye-A335 P11

Imibhobho yentsimbi ye-A335 P12

Imibhobho yentsimbi ye-A335 P22

Imibhobho yentsimbi ye-A335 P91

Iimpawu eziphambili ze-ASTM A335 P91 Uhlobo lwe-2 imibhobho
I-ASTM A335 P91 Uhlobo lwe-2 yintsimbi ye-chrome-moly alloy eyaziwa ngamandla ayo angaqhelekanga, ukumelana nobushushu, kunye namandla okurhubuluza. Ihlelwa njengentsimbi ye-creep-enhanced ferritic (CSEF), iyenza ilungele ubushushu obuphezulu kunye noxinzelelo oluphezulu. Isixhobo sifumana inkqubo ethile yonyango lobushushu:

Iqhelekile kwi-1050 °C.

Ukupholisa umoya ukuya kuma-200 °C.

Ishushu kwi-760 °C.

Le nkqubo yongeza amandla ayo okurhubuluza kunye nokuqina, oko kuyenza ibe lolona khetho lubalaseleyo kwiindawo ezifuna ngamandla.

Ukuqulunqwa kunye neNzuzo ye-ASTM A335 P91 yeMibhobho yentsimbi
I-Chromium (9%): Yongeza amandla obushushu obuphezulu, ukumelana ne-oxidation, kunye neempawu zoomatshini.

I-Molybdenum (1%): Iphucula ukunwebeka, ukuxhathisa ukunxiba, kunye nobushushu obuphezulu bokurhubuluza.

I-Vanadium kunye ne-Columbium / i-Niobium: Yandisa ngakumbi amandla e-creep kunye nokumelana nokudinwa kwe-thermal.

Izinto eziluncedo ze-ASTM A335 P91 yeMibhobho yentsimbi
Ubunzima bodonga oluncitshisiweyo: Ivumela amacandelo alula, ixesha elincitshisiweyo le-welding, kunye nentsimbi encinci yokuzalisa.

Ubomi obuphezulu bokudinwa kwe-thermal: Ukuya kuthi ga kwi-10 amaxesha angcono kunangaphambili njenge-T22 okanye i-P22.

Ukunyuka kwamaqondo obushushu okusebenza: Ukuphucula ukusebenza kakuhle kwizicelo zobushushu obuphezulu.

Usetyenziso lwe-ASTM A335 P91 yeMibhobho yentsimbi
I-P91 isetyenziswa ngokubanzi kumashishini afuna izinto ezikwaziyo ukumelana nobushushu obugqithisileyo kunye noxinzelelo. Usetyenziso oluqhelekileyo lubandakanya:

Ukuvelisa amandla: Iibhoyila, imigca yokufudumeza kwakhona, kunye nezityalo zomjikelo ezidityanisiweyo.

Iiplanti zePetrochemical: Izifudumezi, izixhobo zokulungisa igesi, kunye neenkonzo ze-oyile.

Iinkqubo zemibhobho yobushushu obuphezulu: Ilungele ukugoba, ukugoba, kunye nemisebenzi yokuwelda.

Ukubunjwa kwemichiza ye-ASTM A335 P91 yeMibhobho yentsimbi
Ukwakhiwa kweekhemikhali zeP91 kuqinisekisa ukusebenza kwayo okuphezulu:

Ikhabhoni: 0.08% - 0.12%

IManganese: 0.30% - 0.60%

I-Chromium: 8.00% - 9.50%

I-Molybdenum: 0.85% - 1.05%

Vanadium: 0.18% - 0.25%

I-nitrogen: 0.030% - 0.070%

Ezinye izinto: I-Nickel, i-aluminiyam, i-columbium, i-titanium, kunye ne-zirconium kwizixa ezilawulwayo.

Iipropati zoomatshini
Amandla okuqina: Ubuncinci be-85,000 PSI (585 MPa).

Amandla eSivuno: Ubuncinci be-60,000 PSI (415 MPa).

I-Welding kunye noNyango loBushushu i-ASTM A335 P91 yeMibhobho yentsimbi
I-Welding P91 ifuna ukuthotyelwa okungqongqo kwiinkqubo zokugcina iipropati zayo:

Ukufudumala: Kubalulekile ukunqanda ukuqhekeka okwenziwe nge-hydrogen.

Ulawulo lobushushu obuphakathi: Lulondolozwe kusetyenziswa iinkqubo zokufudumeza zale mihla.

Unyango lwe-post-weld heat (PWHT): Kubaluleke kakhulu ukufezekisa i-microstructure efunekayo kwaye ugweme ukungaphumeleli.

Ii-electrodes ze-Welding: Kufuneka zihambelane nokwakheka kwezinto zomzali.

Kutheni ukhetha i-Womic Steel ASTM A335 P91 yeeTubhu zentsimbi?
Uluhlu olubanzi: Izinto ezikumgangatho ophezulu weP91 kuzo zonke iimfuno zakho.

Ubungcali: Iqela elinamava lokukukhokela ekukhetheni izinto kunye nokusetyenziswa.

Ukuzibophelela kumgangatho: Kuphela ezona mathiriyeli zibalaseleyo ezivela kubavelisi abavunyiweyo.

Kuzo zonke iimfuno zakho ze-ASTM A335 P91 Type 2, qhagamshelana ne-Womic Steel namhlanje. Iqela labo likulungele ukubonelela ngezisombululo ezidlula ulindelo lwakho kunye nokuhambisa izixhobo ezikumgangatho ophezulu kwiiprojekthi zakho.