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    Imizila yeGesi engaphantsi komhlaba – i-X65 SSAW Steel Pipe

    Imizila yeGesi ephantsi komhlaba – iX65 SSAW yeSimbi yePipe eFakelweyo Umfanekiso
    • Imizila yeGesi engaphantsi komhlaba – i-X65 SSAW Steel Pipe

    Inkcazelo emfutshane:

    Ukwazisa umbhobho wethu wentsimbi we-SSAW, imveliso ekumgangatho ophezulu eyenzelwe iintlobo ngeentlobo zezicelo, ngakumbi imibhobho yegesi yendalo ephantsi komhlaba. Lo mbhobho womgca we-X65 we-SSAW usetyenziswa ngokubanzi kwimibhobho yokuthutha ulwelo lwe-welding, izakhiwo zetsimbi, iziseko zeemfumba, njl njl. Ngokusebenza kwayo okuphezulu kunye nokuqina, le mveliso ithathwa njengento efunekayo kumashishini ahlukeneyo kunye neeprojekthi zeziseko.


    Iinkcukacha zeMveliso

    Iithegi zeMveliso

    Spiral submerged arc welded pipe yinxalenye ebalulekileyo yobunjineli bonikezelo lwamanzi, ishishini lepetrochemical, ishishini lemichiza, ishishini lamandla ombane, ukunkcenkceshela kwezolimo, kunye nokwakhiwa kwedolophu. Ukuguquguquka kwayo kunye nokuthembeka kwayo kuyenze enye yeemveliso ezingamashumi amabini eziphambili eziphuhliswe kwilizwe lethu, zibonisa ukubaluleka kwayo kunye nefuthe kumashishini ahlukeneyo.

    Umbhobho wentsimbi we-SSAWyenzelwe ukuthuthwa kolwelo kwaye ifaneleke ngokufanelekileyo kunikezelo lwamanzi kunye neenkqubo zokuhambisa amanzi. Ulwakhiwo lwayo olomeleleyo luyenza ilungele ukuqinisekisa ukuhanjiswa kolwelo olusebenzayo noluthembekileyo. Ukongeza, ikwalungele ukuthuthwa kwerhasi efana nerhasi yamalahle, umphunga, kunye nerhasi yepetroleum engamanzi. Amandla ayo aphezulu kunye nokumelana nokubola kuqinisekisa ukuhanjiswa kwegesi okukhuselekileyo kunye nokusebenza kakuhle kwaye kuhlangabezana neemfuno ezingqongqo zeenkqubo zokuhanjiswa kwegesi.

    IiPropati eziPhambili zoMzimba kunye neMichiza yeeMibhobho zeNtsimbi (GB/T3091-2008, GB/T9711-2011 kunye ne-API Spec 5L)

    		        

    Umgangatho

    IBanga leNsimbi

    Amalungu eMichiza (%)

    Ipropati ye-Tensile

    Charpy(V notch)Uvavanyo lweMpembelelo
    c Mn p s Si

    Okunye

    Isivuno Amandla (Mpa)

    Amandla Okuqina (Mpa)

    (L0=5.65 √ S0)(umzuzu wokuTlula umlinganiselo (%)
    max max max max max imiz max imiz max D ≤ 168.33mm D ＞ 168.3mm

    I-GB/T3091 -2008

    		 Q215A ≤ 0.15 0.25 ＜ 1.20 0.045 0.050 0.35

    Ukongeza i-Nb\V\Ti ngokuhambelana ne-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  

    Ngokuzithandela ukongeza enye yezinto ze-Nb\V\Ti okanye nayiphi na indibaniselwano yazo

    		 175   310  

    27

    Inye okanye ezimbini zesalathiso sokuqina samandla empembelelo kunye nendawo yokucheba inokukhethwa. Kwi-L555, bona umgangatho.
    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  

    Kwibakala B intsimbi,Nb+V ≤ 0.03%;yentsimbi ≥ ibakala B,ukongeza iNb okanye V okanye indibaniselwano yabo, kunye Nb+V+Ti ≤ 0.15%

    		 172   310  

    (L0=50.8mm) iya kubalwa ngokwale fomyula ilandelayo:e=1944·A0 .2/U0 .0 A: Ummandla wesampulu kwi-mm2 U: Ubuncinane obukhankanyiweyo bokuqina bokuqina kwi-Mpa

    Akukho nanye okanye nayiphi na okanye zombini amandla empembelelo kunye nendawo yokucheba efunekayo njengenqobo yokugweba yokuqina.
    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

    Esinye sezicelo eziphambili zemibhobho yentsimbi edityanisiweyo ye-arc edityanisiweyo kukuumzila wegesi ongaphantsi komhlaba. Ngomgangatho ophezulu kunye nokusebenza kwayo, lukhetho lokuqala lokwakha uthungelwano oluthembekileyo nolukhuselekileyo lothutho lwegesi yendalo.

    Umbhobho waManzi ongaphantsi komhlaba

    X65 SSAW umbhobho womgcayakhiwe ngezinto zodidi oluphezulu eziqinisekisa ukomelela nokuqina. Oku kuyenza ilungele izicelo ezifuna uxinzelelo oluphezulu kunye nokuchasana nezinto ezisingqongileyo. Ukufaneleka kwayo kufakelo oluphantsi komhlaba kuqaqambisa ngakumbi uyilo lwayo olomeleleyo kunye nokukwazi ukumelana neemeko ezinzima, nto leyo eyenza ibe sisisombululo esikhethwayo kwiiprojekthi zemibhobho yerhasi ephantsi komhlaba.

    Njengemveliso ethembekileyo neqinisekisiweyo, imibhobho yethu yentsimbi edityanisiweyo ye-arc edityanisiweyo yamkelwa ngokubanzi kuwo wonke amashishini kunye neeprojekthi zeziseko zophuhliso ngenxa yokusebenza kwayo okuphezulu, ukuqina kunye nokuthembeka. Ukwakhiwa kwayo okukumgangatho ophezulu kwenza kube yinto yokuqala yokukhetha kwiinkqubo zokuthutha ulwelo kunye negesi, ngakumbi kumgca wegesi ongaphantsi komhlaba apho ukhuseleko kunye nokusebenza kubalulekile.

    Isishwankathelo, i-spiral submerged arc welded steel pipe yimveliso egqwesileyo eyenzelwe ukuhlangabezana neemfuno ezahlukeneyo zokuhanjiswa kwamanzi kunye negesi. Ngenxa yokuguquguquka kwayo kunye nokuthembeka, iye yaba licandelo eliphambili kumashishini ahlukeneyo kunye neeprojekthi zeziseko zophuhliso, ngakumbi umzila wegesi ongaphantsi komhlaba. Umgangatho wayo obalaseleyo kunye nokusebenza kwayo kuyenza ibe yi-asethi exabisekileyo ekuqinisekiseni uthungelwano lothutho lwegesi olusebenzayo nolukhuselekileyo. Thembela ukuthembeka kunye nokusebenza kwemibhobho yentsimbi edityanisiweyo ye-arc edityanisiweyo kuzo zonke iimfuno zakho zokuthutha ulwelo kunye negesi.

     

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