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    API 5L Line Pipe Yemapaipi Emafuta

    Pipe yeMutsetse yeAPI 5L Yemapaipi Emafuta Mufananidzo Wakaratidzwa
    • API 5L Line Pipe Yemapaipi Emafuta

    Tsananguro pfupi:

    Tichisuma chigadzirwa chedu chemazuva anoAPI 5L Line Pipe, mhinduro yepamusoro yemapaipi ekufambisa mafuta negasi. Pombi iyi yakagadzirirwa kusangana nezvinodiwa pasi rose, ichipa mashandiro akanaka uye kuvimbika kunyangwe munzvimbo dzinonyanya kuoma. Pamwe chete nemhando yepamusoro yemapaipi akasungirirwa nesimbi, zvigadzirwa zvedu zvichapfuura zvaunotarisira.


    Ruzivo rweChigadzirwa

    Matagi eChigadzirwa

    Pombi yemuchina weAPI 5L chiratidzo cheunyanzvi muindasitiri. Pombi iyi inogona kutsungirira kumanikidzwa kwakanyanya uye tembiricha yakanyanya, zvichiita kuti mafuta negasi rechisikigo zvifambiswe zvakachengeteka uye zvinobudirira.

    Tafura 2 Hunhu Hukuru hweMapombi eSimbi (GB/T3091-2008, GB/T9711-2011 uye API Spec 5L)

    		        

    Zvakajairika

    Giredhi reSimbi

    Zvikamu zveMakemikari (%)

    Nzvimbo Inosungirira

    Kuedza kweCharpy (V notch) Impact
    c Mn p s Si

    Zvimwe

    Simba reGoho (Mpa)

    Simba reKusimba (Mpa)

    （L0=5.65 √ S0）Kutambanudzwa kweminiti （%）
    zvakanyanya zvakanyanya zvakanyanya zvakanyanya zvakanyanya miniti zvakanyanya miniti zvakanyanya D ≤ 168.33mm D ＞ 168.3mm

    GB/T3091 -2008

    		 Q215A ≤ 0.15 0.25 ＜ 1.20 0.045 0.050 0.35

    Kuwedzera Nb\V\Ti zvichienderana neGB/T1591-94

    		 215   335   15 > 31  
    Q215B ≤ 0.15 0.25-0.55 0.045 0.045 0.035 215 335 15 > 31
    Q235A ≤ 0.22 0.30 ＜ 0.65 0.045 0.050 0.035 235 375 15 >26
    Q235B ≤ 0.20 0.30 ≤ 1.80 0.045 0.045 0.035 235 375 15 >26
    Q295A 0.16 0.80-1.50 0.045 0.045 0.55 295 390 13 >23
    Q295B 0.16 0.80-1.50 0.045 0.040 0.55 295 390 13 >23
    Q345A 0.20 1.00-1.60 0.045 0.045 0.55 345 510 13 >21
    Q345B 0.20 1.00-1.60 0.045 0.040 0.55 345 510 13 >21

    GB/T9711-2011（PSL1）

    		 L175 0.21 0.60 0.030 0.030  

    Sarudzo yekuwedzera chimwe chezvinhu zveNb\V\Ti kana chero musanganiswa wazvo

    		 175   310  

    27

    Imwe kana mbiri dzechiratidzo chekusimba kwesimba reimpact uye nzvimbo yekuchekerera simbi dzinogona kusarudzwa. Kune L555, ona standard.
    L210 0.22 0.90 0.030 0.030 210 335

    25
    L245 0.26 1.20 0.030 0.030 245 415

    21
    L290 0.26 1.30 0.030 0.030 290 415

    21
    L320 0.26 1.40 0.030 0.030 320 435

    20
    L360 0.26 1.40 0.030 0.030 360 460

    19
    L390 0.26 1.40 0.030 0.030 390 390

    18
    L415 0.26 1.40 0.030 0.030 415 520

    17
    L450 0.26 1.45 0.030 0.030 450 535

    17
    L485 0.26 1.65 0.030 0.030 485 570

    16

    API 5L (PSL 1)

    		 A25 0.21 0.60 0.030 0.030  

    Kune simbi yegiredhi B, Nb+V ≤ 0.03%; kune simbi ≥ giredhi B, kuwedzera Nb kana V kana musanganiswa wavo, uye Nb+V+Ti ≤ 0.15%

    		 172   310  

    （L0=50.8mm）kuti iverengwe zvichienderana nefomura inotevera:e=1944·A0 .2/U0 .0 A:Nzvimbo yemuenzaniso mu mm2 U: Simba shoma rekudhonza mu Mpa

    Hapana kana chimwe kana zvese zviri zviviri simba rekukanda uye nzvimbo yekuchekerera inodiwa senzira yekusimba.
    A 0.22 0.90 0.030 0.030   207 331
    B 0.26 1.20 0.030 0.030   241 414
    X42 0.26 1.30 0.030 0.030   290 414
    X46 0.26 1.40 0.030 0.030   317 434
    X52 0.26 1.40 0.030 0.030   359 455
    X56 0.26 1.40 0.030 0.030   386 490
    X60 0.26 1.40 0.030 0.030   414 517
    X65 0.26 1.45 0.030 0.030   448 531
    X70 0.26 1.65 0.030 0.030   483 565

    Zvichienderana neAPI 5L standard, mapombi edu espiral welded anowanikwa mumhando dzakasiyana-siyana, kusanganisira API 5L X42, API 5L X52 uye API 5L X60. Mamodheru aya anomiririra simba shoma repombi, zvichikupa kunzwisisa kwakazara kwekushanda kwayo. Kunyangwe uchida mapombi epurojekiti diki kana kuti basa guru, mhando dzakasiyana-siyana dzemamodheru edu dzinogona kusangana nezvose zvaunoda.

    Kushongedza Arc Yakanyudzwa neHelical

    Mhando dzeAPI 5L X42 dzinozivikanwa nekugona kwadzo kuchinjika uye kusimba kwadzo kwakanyanya. Dzakanakira mapurojekiti anoda kutakurwa kwegasi rechisikigo, mafuta, nezvimwe zvinwiwa. Iyi modhi inopa kudzivirira ngura kwakanyanya uye hunhu hunoshamisa hwemakanika kuti iite basa rinogara kwenguva refu, ichivimbisa kusimba kwemasisitimu ekufambisa mafuta negasi.

    Kune mapurojekiti anoda kushanda kwepamusoro, modhi yeAPI 5L X52 ndiyo sarudzo yakakwana. Pombi iyi yakagadzirirwa kutsungirira kumanikidzwa kwakanyanya uye tembiricha yakanyanya, ichivimbisa kutakurwa kwemafuta negesi kwakavimbika uye kwakanaka. Simba rayo guru rinoibvumira kubata mamiriro ezvinhu akaoma, ichivimbisa kuyerera kwakanaka uye kusingadzoreki.

    Modhi yeAPI 5L X60 inosimudzira mashandiro ayo padanho rinotevera. Nesimba rayo guru rekugadzira uye kusimba kwayo kwakawedzerwa, pombi iyi yakakodzera kushandiswa kunyangwe munzvimbo dzinonyanya kuoma. Yakagadzirirwa kubata mapurojekiti makuru anoda kutakurwa kwemafuta negesi zvakawanda.

    Kusarudza pipe yedu yeAPI 5L zvinoreva kuisa mari muchigadzirwa chinovimbisa mhando yepamusoro uye mashandiro. Kuzvipira kwedu pakuita zvakanaka kunoonekwa mune zvese zviri mupipe yedu, kubva pakuvaka kusina musono kusvika pakukwanisa kwedu kusangana nekupfuura mwero wepasi rose. Nesimba rayo repamusoro uye kugara kwenguva refu, chigadzirwa ichi chinovimbisa kutakurwa kwakachengeteka uye kwakanaka kwemafuta negasi, zvichikupa rugare rwepfungwa.

    Muchidimbu, API 5L line pipe yave sarudzo yepamusoro yemapaipi ekufambisa mafuta negasi ane mamodheru ayo akapfuma uye emhando yepamusoro. Nekusanganisa spiral submerged arc welding, inopa simba risingaenzaniswi uye kugara kwenguva refu. Kunyangwe uchida mapaipi epurojekiti diki kana hombe, spiral welded steel pipe yedu yakagadzirwa zvinoenderana nemazinga eAPI 5L inovimbisa kushanda kwakavimbika. Isa mari muAPI 5L line pipe yedu uye uzive musiyano wemhando uye mashandiro.

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