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    API 5L Line Pipe ya Mapaipi a Mafuta

    API 5L Line Pipe Kwa Mapaipi Amafuta Chithunzi Chowonetsedwa
    • API 5L Line Pipe ya Mapaipi a Mafuta

    Kufotokozera Kwachidule:

    Kubweretsa mankhwala athu apamwamba kwambiriAPI 5L Line Pipe, njira yabwino kwambiri yopangira mapaipi otumizira mafuta ndi gasi.Chitolirocho chimapangidwa kuti chigwirizane ndi miyezo yapadziko lonse, kupereka ntchito zapamwamba komanso kudalirika ngakhale m'madera ovuta kwambiri.Kuphatikizidwa ndi mtundu wapamwamba wa chitoliro chowotcherera chozungulira, zogulitsa zathu ndizotsimikizika kupitilira zomwe mukuyembekezera.


    Tsatanetsatane wa Zamalonda

    Zolemba Zamalonda

    API 5L mzere chitoliro ndi chizindikiro cha kupambana mu makampani.Paipiyi imatha kupirira kupsinjika kwakukulu komanso kutentha kwambiri, kuonetsetsa kuti mafuta ndi gasi akuyenda bwino komanso moyenera.

    Table 2 Main Physical and Chemical Properties of Steel Pipes (GB/T3091-2008, GB/T9711-2011 ndi API Spec 5L)

    		        

    Standard

    Kalasi yachitsulo

    Zamankhwala (%)

    Tensile Property

    Charpy (V notch) Impact Test
    c Mn p s Si

    Zina

    Yield Strength (Mpa)

    Mphamvu Yamphamvu (Mpa)

    (L0 = 5.65 √ S0 (mphindi Wotambasula) (%)
    max max max max max min max min max D ≤ 168.33mm D ＞ 168.3mm

    GB/T3091 -2008

    		 Q215A ≤ 0.15 0.25 ＜ 1.20 0.045 0.050 0.35

    Kuwonjezera Nb\V\Ti molingana ndi GB/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  

    Posankha kuwonjezera chimodzi mwazinthu za Nb\V\Ti kapena kuphatikiza kulikonse

    		 175   310  

    27

    Chimodzi kapena ziwiri mwazowonetsa mphamvu zamphamvu ndi malo ometa zitha kusankhidwa.Kwa L555, onani muyezo.
    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  

    Kwa kalasi B chitsulo, Nb+V ≤ 0.03%; zitsulo ≥ kalasi B, kusankha kuwonjezera Nb kapena V kapena kuphatikiza kwawo, ndi Nb+V+Ti ≤ 0.15%

    		 172   310  

    (L0 = 50.8mm) kuti iwerengedwe motsatira ndondomeko iyi: e=1944·A0 .2/U0 .0 A: Dera lachitsanzo mu mm2 U: Mphamvu zochepa zotchulidwa mu Mpa

    Palibe kapena chilichonse kapena zonse ziwiri zomwe zimakhudzidwa ndi gawo lometa zomwe zimafunikira ngati muyeso wolimba.
    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

    Malinga ndi muyezo wa API 5L, mapaipi athu opangidwa ndi spiral welded amapezeka mumitundu yosiyanasiyana, kuphatikiza API 5L X42, API 5L X52 ndi API 5L X60.Zitsanzozi zimayimira mphamvu zochepa zokolola za chitoliro, ndikukupatsani kumvetsetsa bwino kwa ntchito yake.Kaya mukufunikira mapaipi a polojekiti yaying'ono kapena ntchito yayikulu, mitundu yathu yosiyanasiyana imatha kukwaniritsa zosowa zanu zonse.

    Helical Submerged Arc Welding

    Mitundu ya API 5L X42 imadziwika chifukwa chowotcherera kwambiri komanso mphamvu zambiri.Ndi yabwino kwa mapulojekiti omwe amafunikira kunyamula gasi, mafuta, ndi madzi ena.Mtunduwu umapereka kukana kwa dzimbiri kwapadera komanso zida zochititsa chidwi zamakina kuti zipereke magwiridwe antchito kwanthawi yayitali, kuwonetsetsa kukhulupirika kwa makina otumizira mafuta ndi gasi.

    Pama projekiti omwe amafunikira magwiridwe antchito apamwamba, mtundu wa API 5L X52 ndiye chisankho chabwino kwambiri.Mapaipi apangidwa kuti azitha kupirira kupanikizika kwambiri komanso kutentha kwambiri, kuonetsetsa kuti mafuta ndi gasi akuyenda modalirika komanso moyenera.Mphamvu zake zapamwamba zimamuthandiza kuthana ndi zovuta, kuonetsetsa kuti ikuyenda bwino, yosasokonezeka.

    Mtundu wa API 5L X60 umatengera magwiridwe antchito pamlingo wina.Ndi mphamvu zake zokolola zapadera komanso kulimba kwake, chitolirocho ndi choyenera kugwiritsidwa ntchito ngakhale m'malo ovuta kwambiri.Amapangidwa kuti azigwira ntchito zazikulu zomwe zimafuna kunyamula mafuta ndi gasi wambiri.

    Kusankha chitoliro chathu cha mzere wa API 5L kumatanthauza kuyika ndalama pachinthu chomwe chimatsimikizira magwiridwe antchito apamwamba.Kudzipereka kwathu pakuchita bwino kumawonekera m'mbali zonse za mapaipi athu, kuyambira pakumanga kopanda msoko mpaka kutha kukwaniritsa ndi kupitilira miyezo yapadziko lonse lapansi.Ndi mphamvu zake zapamwamba komanso kulimba kwake, mankhwalawa amaonetsetsa kuti mafuta ndi gasi akuyenda bwino komanso akuyenda bwino, ndikukupatsani mtendere wamumtima.

    Mwachidule, chitoliro cha API 5L chakhala chisankho chomaliza pamapaipi otumizira mafuta ndi gasi okhala ndi mitundu yake yolemera komanso yabwino kwambiri.Ndi kuwotcherera kwa arc kozungulira, kumapereka mphamvu zosayerekezeka komanso kulimba.Kaya mukufuna chitoliro cha ntchito yaying'ono kapena yayikulu, chitoliro chathu chachitsulo chozungulira chopangidwa ndi API 5L chimatsimikizira magwiridwe antchito odalirika.Ikani mu chitoliro chathu cha API 5L ndikuwona kusiyana kwaubwino ndi magwiridwe antchito.

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