I. Chii chiri muchimiro chechinhu ichi?API5L
1. Simbi yemapaipi yeAPI5L-B, yakaenzana neL245 brand Wuyang Iron nesimbi, L245 ndeyemhando ye low alloy series, mutengo wayo wakakwira, mutengo wezvinhu zvakasiyana hauna kufanana, inonyanya kushandiswa pakugadzira mapaipi emafuta, mapaipi echisikigo, nezvimwewo, ipombi ye coil ine pressure yakaderera, mashandiro ayo uye pombi ye 20# isina musono inenge iri pedyo.
2. Zviri mukati ndizvoGiredhi reX52 pombi yesimbi yepombiSimbi yemutsetse, inova rudzi rwesimbi ine zvinodiwa zvakakosha zvinoshandiswa kutakura mapaipi emafuta negasi rechisikigo. Zvichienderana nehukobvu uye kuumbwa kunotevera, inogona kugadzirwa nehot continuous rolling mill, furnace rolling mill kana medium thick plate mill uye inogadzirwa kuita large diameter steel pipe ne spiral welding kana UOE straight seam welding.
3. Pombi yesimbi isina musono kana yakasungirirwa, chiyero ndecheAPI 5L (pombi yemapaipi) PSL2ndeimwe yemagiredhi, imwe iPSL1 kana tichienzanisa, zvinodiwa nePSL2 zvakakwirira kupfuura PSL1API. 5L ndiyo tsanangudzo yepombi yemapaipi yakagadzirwa neAmerican Petroleum Institute, B ndeimwe yemagiredhi esimbi epaipi.
II. Muyero weAPI5L
1. API5L standard, huwandu hwemajoini esimbi yePIPE nePIPE WLD 10" SCH STD API5L ASTM A106 GRB pombi yesimbi isina musono muchikamu chimwe chete hahufanirwe kudarika 50% yehuwandu hwemapaipi. Pamberi pekuiswa, pombi inofanira kutsvaira nekuchenesa maburi edhiri kana mhepo ine simba rakawanda kuti ibvise tsvina mumaburi. Ita shuwa kuti aperture (aperture haifanirwe kunge iri pasi pe127cm) inosangana nezvinodiwa uye inodzivirira maburi kuvharika.
2. Cr:≤025 Nickel Ni:≤030 Copper Cu:≤025 Hunhu hwemakanika: Simba rekudhonza re sigma b (MPa) : 560 (57) kana simba rekukura sigma s (MPa) : 335 (34) kana kuti elongation delta (%) : kuderedza acuity yenzvimbo ye18 bits (%) : 45 kana kupfuura simba rekukura Akv (J) : 55 kana kupfuura simba rekukura kwe alpha kv (J/cm2).
3. API 5L standard inovhara zvinodiwa pakugadzirwa kwesimbi yemapaipi, kunyanya pakusimba kwekusimba, simba rekukura, kusimba kwekupisa kwemukamuri, kureba panguva yekudonha, nezvimwewo. Zvichienderana nemhando dzesimbi yemapaipi, API 5L yakakamurwa kuita mapaipi esimbi akajairika uye mapaipi esimbi akakosha, pakati pawo mapaipi esimbi akajairika akakamurwa kuita mapaipi esimbi akajairika uye mapaipi esimbi ane simba guru, API 5L standard inovharawo zvinodiwa pakugadzirwa kwesimbi yemapaipi.
III, chii chinonzi API5Lgrb
1. API 5LGRB haina musono kanapombi yesimbi yakasungirirwa, chiyero chacho iAPI 5L (petroleum pipe pipe), PSL2 ndeimwe yemazinga, imwe nhanho iPSL1 kana tichienzanisa, zvinodiwa nePSL2 zvakakwirira kupfuura PSL1API 5L ndiyo specification yepipe pipe yakagadzirwa neAmerican Petroleum Institute, B imhando yemhando yesimbi yepipe pipe.
2. ASME SA517, ASTM A517 mudziyo wekumanikidza. Plate yesimbi ine simba rakawanda uye yakapfava. ASME SA517/SA517M standard inosanganisira: SA517GrA, SA517GrB, SA517GrH, SA517GrS, SA517GrP, SA517GrF, SA517GrE, SA517GrQ; ASTM A517/A517M standard inosanganisira: A517GrA,.
3. Kuwanikwa kwezvinhuAPI 5L PSL2mweropombi yesimbi inotendereraGrB-X70 Dhayamita yekunze 219-3650 mm Mhoroi, tave tichigadzira mapaipi anotenderera kwemakore makumi maviri nemana, tinotarisira kuwana mukana wekushandira pamwe nemi.
Nguva yekutumira: Kubvumbi-14-2023