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    Imigca yegesi engaphantsi komhlaba – Umbhobho wentsimbi we-X65 SSAW

    Imigca yegesi engaphantsi komhlaba – Umbhobho wentsimbi we-X65 SSAW Umfanekiso obonisiweyo
    • Imigca yegesi engaphantsi komhlaba – Umbhobho wentsimbi we-X65 SSAW

    Inkcazo emfutshane:

    Sizisa umbhobho wethu wentsimbi we-SSAW omtsha, imveliso ekumgangatho ophezulu eyenzelwe ukusetyenziswa ngeendlela ezahlukeneyo, ingakumbi imibhobho yegesi yendalo engaphantsi komhlaba. Lo mbhobho womgca we-X65 SSAW usetyenziswa kakhulu ekudibaniseni imibhobho yokuthutha ulwelo, izakhiwo zesinyithi, iziseko zeepali, njl. Ngenxa yokusebenza kwayo okuphezulu kunye nokuqina kwayo, le mveliso ithathwa njengeyimfuneko kwiiprojekthi ezahlukeneyo zemizi-mveliso kunye neziseko.


    Iinkcukacha zeMveliso

    Iithegi zeMveliso

    Umbhobho odibeneyo we-arc ojikeleziweyo ojikelezayo uyinxalenye ebalulekileyo yobunjineli bokubonelela ngamanzi, ishishini le-petrochemical, ishishini leekhemikhali, ishishini lamandla ombane, ukunkcenkceshela kwezolimo, kunye nokwakhiwa kwezixeko. Ukuguquguquka kwawo kunye nokuthembeka kwawo kuye kwenza ukuba ube yenye yeemveliso ezingamashumi amabini eziphambili eziphuhliswe kwilizwe lethu, nto leyo ebonisa ukubaluleka kwawo kunye nempembelelo yawo kumashishini ahlukeneyo.

    Umbhobho wentsimbi we-SSAWYenzelwe ukuthuthwa kwezinto ezimanzi kwaye ifanelekile kakhulu kwiinkqubo zokuhambisa amanzi kunye nemibhobho yamanzi. Ukwakhiwa kwayo okuqinileyo kwenza ukuba ifaneleke ukuqinisekisa ukudluliselwa kolwelo okusebenzayo nokuthembekileyo. Ukongeza, ikwafanelekile ekuthuthweni kwegesi efana negesi yamalahle, umphunga, kunye negesi yepetroleum enyibilikisiweyo. Amandla ayo aphezulu okuxinana kunye nokumelana nokugqwala kuqinisekisa ukuhanjiswa kwegesi okukhuselekileyo nokufanelekileyo kwaye kuhlangabezana neemfuno ezingqongqo zeenkqubo zokuhambisa igesi.

    Iipropati eziphambili zePhysical kunye neeChemical zeMibhobho yeNsimbi (GB/T3091-2008, GB/T9711-2011 kunye ne-API Spec 5L)

    		        

    Umgangatho

    Ibanga lentsimbi

    Izinto ezisetyenziswa kwiikhemikhali (%)

    Ipropati yokuThatha

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

    Okunye

    Amandla emveliso (iMpa)

    Amandla okuThamba (i-Mpa)

    （L0=5.65 √ S0）Isantya sokuNciphisa umzuzu （%）
    ubuninzi ubuninzi ubuninzi ubuninzi ubuninzi umzuzu ubuninzi umzuzu ubuninzi U-D ≤ 168.33mm U-D ＞ 168.3mm

    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  

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

    		 175   310  

    27

    Inye okanye ezimbini zesalathisi sokuqina kwamandla empembelelo kunye nendawo yokucheba zinokukhethwa. Kwi-L555, jonga 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

    I-API 5L (PSL 1)

    		 A25 0.21 0.60 0.030 0.030  

    Kwintsimbi yebanga B, iNb+V ≤ 0.03%; kwintsimbi ≥ inqanaba B, ukongeza iNb okanye iV okanye indibaniselwano yazo ngokuzithandela, kunye neNb+V+Ti ≤ 0.15%

    		 172   310  

    （L0=50.8mm）ukubalwa ngokwefomula elandelayo:e=1944·A0 .2/U0 .0 A:Ummandla wesampulu kwi mm2 U: Amandla amancinci okutsalwa kwe-Mpa

    Akukho nanye okanye zombini okanye zombini amandla ombane kunye nendawo yokucheba efunekayo njengesiseko sokuqina.
    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

    Enye yezona zinto ziphambili ezisetyenziswayo kwimibhobho yethu yentsimbi edityaniswe nge-spiral submerged arc yiumgca wegesi ongaphantsi komhlabaNgenxa yomgangatho wayo ophezulu kunye nokusebenza kwayo, lukhetho lokuqala lokwakha uthungelwano lokuthuthwa kwegesi yendalo oluthembekileyo nolukhuselekileyo.

    Umbhobho Wamanzi Ongaphantsi Komhlaba

    Umbhobho womgca we-X65 SSAWYakhiwe ngezinto ezikumgangatho ophezulu eziqinisekisa ukomelela okuphezulu kunye nokuqina. Oku kuyenza ifaneleke kakhulu kwizicelo ezifuna uxinzelelo oluphezulu kunye nokuchasana neemeko zokusingqongileyo. Ukufaneleka kwayo ekufakelweni komhlaba kubonakalisa ngakumbi uyilo lwayo oluqinileyo kunye nokukwazi kwayo ukumelana neemeko ezinzima, nto leyo eyenza ukuba ibe sisisombululo esikhethwayo kwiiprojekthi zemibhobho yegesi engaphantsi komhlaba.

    Njengemveliso ethembekileyo neqinisekisiweyo, imibhobho yethu yentsimbi edityaniswe nge-spiral submerged arc welded isetyenziswa kakhulu kumashishini nakwiiprojekthi zeziseko zophuhliso ngenxa yokusebenza kwayo okuphezulu, ukuqina kunye nokuthembeka. Ukwakhiwa kwayo okusemgangathweni ophezulu kwenza kube lukhetho lokuqala kwiinkqubo zothutho lolwelo kunye negesi, ingakumbi kumgca wegesi ongaphantsi komhlaba apho ukhuseleko kunye nokusebenza kakuhle kubalulekile.

    Ngamafutshane, umbhobho wentsimbi odibeneyo ojikelezileyo ojikelezileyo yimveliso egqwesileyo eyenzelwe ukuhlangabezana neemfuno ezahlukeneyo zeenkqubo zokuhambisa ulwelo kunye negesi. Ngenxa yokuguquguquka kwayo kunye nokuthembeka kwayo, iye yaba yinxalenye ebalulekileyo kumashishini ahlukeneyo kunye neeprojekthi zeziseko zophuhliso, ingakumbi umgca wegesi ongaphantsi komhlaba. Umgangatho wayo ogqwesileyo kunye nokusebenza kwayo kuyenza ibe yimpahla ebalulekileyo ekuqinisekiseni uthungelwano olusebenzayo nolukhuselekileyo lokuthuthwa kwegesi. Kholelwa ukuthembeka kunye nokusebenza kwemibhobho yethu yentsimbi edibeneyo ojikelezileyo ojikelezileyo kuzo zonke iimfuno zakho zokuthuthwa kolwelo kunye negesi.

     

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