Mutsara pombi tsanangudzo: 8-1240×1-200mm

chiyero: API SPEC 5L

Kushandiswa: inoshandiswa gasi, mvura uye kutakura kwemafuta mu petroleum uye gasi gasi maindasitiri.

API SPEC 5L-2007 (line pombi yakatarwa), yakanyorwa uye yakabudiswa neAmerican Petroleum Institute, inowanzoshandiswa pasi rose.Line pombi: Oiri, gasi kana mvura inobuda kubva pasi inotakurwa kuenda kupetroleum uye gasi rechisikigo maindasitiri emabhizinesi kuburikidza nemutsetse pombi.Mapaipi emutsetse anosanganisira mapaipi asina musono uye mapaipi akakandwa.Migumo yepombi ine migumo yakati sandara, yakarukwa magumo uye socket inogumira;nzira dzekubatanidza ndeyekupedzisira welding, coupling connection, socket connection, etc. Nyaya huru yechubhu ndeye B, X42, X46, X56, X65, X70 uye mamwe magiredhi esimbi..

Mutsetse wepombi mwero:

API SPEC 5L-American Petroleum Institute Standard

GB/T9711-China National Standard

Shandisa:

Oxygen, mvura nemafuta ekufambisa mapaipi anoshandiswa mumaindasitiri epetroleum uye gasi rechisikigo

Kunyanya kugadzira simbi pombi mamakisi:

B, X42, X52, X60, X65, X70 L245 L290 L320 L360 L390 L450 L485

Line pipe size tolerance:

1.【Moto wakaparadzana wemapombi emutsetse】Kudziya kwakadzikira (150-250 madhigirii)

Chimiro chinowanikwa nekudzika kwekushisa kwekushisa kunopisa martensite.Chinangwa chayo ndechekuderedza kushushikana kwemukati uye brittleness yesimbi yakadzimwa pasi pechigadziro chekuchengetedza kuomarara kwakanyanya uye kushomeka kwepamusoro, kuitira kuti udzivise kuputika kana kukuvadzwa nguva isati yakwana panguva yekushandiswa.Inonyanya kushandiswa kune zvakasiyana-siyana zve-high-carbon cutting tool, maturusi ekuyeresa, GB/T9711.1 pombi mapaipi esimbi, mabheji anomonereka uye zvikamu zve carburized, nezvimwewo. Kuoma mushure mekupisa kunowanzova HRC58-64.

2.【Moto wakaparadzana wemapombi emutsetse】Kudziya kwepakati tembiricha (250-500 madhigirii)

Chimiro chinowanikwa nekudziya pane yepakati tembiricha ndeye tempered troostite.Chinangwa ndechekuwana simba regoho repamusoro, elastic muganho uye kuoma kwakanyanya.Naizvozvo, inonyanya kushandiswa kurapwa kweakasiyana GB/T9711.1 pombi simbi mapaipi uye inopisa basa molds, uye kuoma mushure mekupisa kunowanzo HRC35-50.

3. 【Pane moto wepombi dzemitsetse】 Kupisa tembiricha yepamusoro (500-650 madhigirii)

Chimiro chinowanikwa nepamusoro tembiricha tempering ndeye tempered sorbite.Sechinyakare, kurapwa kwekupisa kusanganisa kudzimisa uye kupisa kwakanyanya kunonzi quenching uye tempering kurapwa, uye chinangwa chayo ndechekuwana yakazara ma mechanic zvivakwa zvine simba rakanaka, kuoma, plasticity uye kuoma.Naizvozvo, inoshandiswa zvakanyanya mumotokari, GB/T9711.1 pombi mapaipi simbi mapaipi, maturusi emuchina uye zvimwe zvakakosha zvimiro zvikamu, senge matanda ekubatanidza, mabhaudhi, magiya uye shafts.Kuoma mushure mekupisa kazhinji HB200-330.