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    I-Spiral Seam Steel Pipe yeMibhobho yamanzi angaphantsi komhlaba

    I-Spiral Seam yentsimbi yombhobho wemibhobho yamanzi angaphantsi komhlaba oMfanekiso
    • I-Spiral Seam Steel Pipe yeMibhobho yamanzi angaphantsi komhlaba

    Inkcazelo emfutshane:

    Ukwazisa wethuumbhobho womthungo ojikelezayo kwimibhobho yamanzi angaphantsi komhlaba.Iziseko zolu tshintsho ngumbhobho we-spiral seam, odityaniswe ngobungcali usebenzisa owona mgangatho uphezulu weteknoloji yokuwelda umbhobho wesinyithi kwimarike.


    Iinkcukacha zeMveliso

    Iithegi zeMveliso

    Iumbhobho wamanzi ongaphantsi komhlabangumbhobho wentsimbi ojikelezayo owenziwe ngokuzenzekela ngocingo oluphindwe kabini olunamacala amabini antywiliselwe inkqubo ye-arc.Umbhobho wenziwa kwiikhoyili zetsimbi ze-strip kwaye ukhutshwe kwiqondo lokushisa rhoqo ukuqinisekisa ukuhlala kunye nokuphila ixesha elide.

    IiPropati eziPhambili zoMzimba kunye neMichiza yeMibhobho yentsimbi (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

    Isinye 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 kwiMpa

    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

    Ulwakhiwo oludityanisiweyo lombhobho luqinisekisa ukuba womelele kakhulu kwaye lumelana noxinzelelo, nto leyo eyenza ukuba ibe lolona khetho lufanelekileyo kwiinkqubo zamanzi angaphantsi komhlaba.

    Ukongeza kumandla kunye nokuqina, imibhobho yamanzi angaphantsi komhlaba yenzelwe ukukhululeka kofakelo.Ulwakhiwo lwe-Spiral seam luyaguquguquka kwaye luyaguquguquka, luvumela ukuhamba lula kunye nokubeka kwindawo enzima kakhulu.Oku kuthetha ukuba unako ukubeka imibhobho ngokukhawuleza nangokufanelekileyo, ukonga ixesha kunye neendleko zabasebenzi.

    Ukongezelela, ukusetyenziswa kwezinto eziphezulu kunye neteknoloji ye-welding ephezulu iqinisekisa ukuba imibhobho yamanzi angaphantsi komhlaba ixhathisa kakhulu kwi-corrosion and rust.Oku kuthetha ukuba iya kugcina imfezeko nokusebenza kwayo iminyaka, naphantsi kweemeko ezinzima phantsi komhlaba.

    Iinkqubo zemibhobho yeWelding
    Umbhobho owenziwe ngepolyurethane

    Imibhobho yethu yamanzi angaphantsi komhlaba ifumaneka ngokobukhulu obahlukeneyo ukuhlangabezana neemfuno ezithile zeprojekthi yakho.Nokuba ubeka unikezelo lwamanzi amancinci asekhaya okanye inkqubo enkulu yoshishino, sinombhobho ogqibeleleyo kuwe.Iqela lethu leengcali linokubonelela ngeengcebiso ezilungiselelweyo kunye nenkxaso ukukunceda ukhethe imibhobho ehambelana neemfuno zakho.

    Xa kuziwa kwiinkqubo zamanzi angaphantsi komhlaba, udinga umbhobho onokuwuthemba.Ngolwakhiwo oludibeneyo lwe-spiral, izixhobo ezisemgangathweni kunye ne-welding yengcali, imibhobho yethu yamanzi angaphantsi komhlaba ilungele nayiphi na inethiwekhi yokubonelela ngamanzi.Ehlala ixesha elide, enokwethenjelwa kwaye kulula ukuyifaka, lo mbhobho uya kumelana novavanyo lwexesha, ukunika uxolo lwengqondo kunye nokusebenza okuphezulu.

    Lilonke, imibhobho ye-spiral seam lukhetho olubalaseleyo kuye nabani na ofuna isisombululo sokuhambisa amanzi esikumgangatho ophezulu, esithembekileyo, kunye nesigxina.Ngokwakhiwa kwayo komthungo ojikelezayo kunye nobungcaliumbhobho wesinyithi welding, umbhobho unikeza amandla angenakulinganiswa, ukuguquguquka kunye nokumelana nokubola.Musa ukuyekelela kumgangatho wenkqubo yakho yamanzi aphantsi komhlaba – khetha imibhobho yamanzi angaphantsi komhlaba njengesisombululo onokusithemba.

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