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    I-Spiral Welded Steel Pipe Yamandla Angenakuqhathaniswa Nokusebenza Ngempumelelo I-ASTM A252

    I-Spiral Welded Steel Pipe Yamandla Angenakuqhathaniswa Nokusebenza Kahle I-ASTM A252 Isithombe Esifakiwe
    • I-Spiral Welded Steel Pipe Yamandla Angenakuqhathaniswa Nokusebenza Ngempumelelo I-ASTM A252

    Incazelo emfushane:

    Lokhu kushiwo ukuhlinzeka ngezinga lokukhiqiza lesistimu yamapayipi ukuhambisa amanzi, igesi kanye nowoyela ezimbonini zikawoyela negesi yemvelo.

    Kunamazinga amabili wokucaciswa komkhiqizo, i-PSL 1 ne-PSL 2, i-PSL 2 inezidingo eziyisibopho zokulingana kwekhabhoni, ukuqina kwe-notch, amandla aphezulu wokukhiqiza namandla aqinile.


    Imininingwane Yomkhiqizo

    Omaka bomkhiqizo

    Yethula:

    Uma kuziwa ekuthuthukisweni kwengqalasizinda, izinhlelo zamapayipi ziyingxenye ebalulekile edlala indima ebalulekile ezimbonini ezihlukahlukene.Ukusebenzisa izinto ezifanele kanye namasu ekwakhiweni kwamapayipi kuqinisekisa ukuqina, amandla nokuthembeka, kanyeKuvunguza ashiselwe ipayipi lensimbi ASTM A252ihamba phambili kulokhu kuthuthuka kwezobuchwepheshe.Kule bhulogi, sizobhekisisa izimfanelo ezingavamile kanye nezinzuzo zala mapayipi aphawulekayo asephenduke umgogodla kumaphrojekthi wokwakha wesimanje.

    Izakhiwo Zemishini Yepayipi le-SSAW

    izinga lensimbi

    amandla amancane esivuno
    Mpa

    Amandla amancane we-Tensile
    Mpa

    I-Elongation Encane
    %

    B

    245

    415

    23

    X42

    290

    415

    23

    X46

    320

    435

    22

    X52

    360

    460

    21

    X56

    390

    490

    19

    X60

    415

    520

    18

    X65

    450

    535

    18

    X70

    485

    570

    17

    Ukwakheka Kwekhemikhali Kwemibhobho ye-SSAW

    izinga lensimbi

    C

    Mn

    P

    S

    V+Nb+Ti
     

    Ubuningi %

    Ubuningi %

    Ubuningi %

    Ubuningi %

    Ubuningi %

    B

    0.26

    1.2

    0.03

    0.03

    0.15

    X42

    0.26

    1.3

    0.03

    0.03

    0.15

    X46

    0.26

    1.4

    0.03

    0.03

    0.15

    X52

    0.26

    1.4

    0.03

    0.03

    0.15

    X56

    0.26

    1.4

    0.03

    0.03

    0.15

    X60

    0.26

    1.4

    0.03

    0.03

    0.15

    X65

    0.26

    1.45

    0.03

    0.03

    0.15

    X70

    0.26

    1.65

    0.03

    0.03

    0.15

    Ukubekezelelana KweJiyomethri Kwamapayipi e-SSAW

    Ukubekezelelana kweJiyomethri

    ububanzi obungaphandle

    Ukujiya kodonga

    ubuqotho

    ngaphandle kokujikeleza

    ubuningi

    Ubukhulu bobude be-weld bead

    D

    T

    		              

    ≤1422mm

    Ubukhulu - 1422 mm

    ＜15 mm

    ≥15mm

    umkhawulo wepayipi 1.5m

    ubude obugcwele

    umzimba wepayipi

    ipayipi ekupheleni

    		  

    T≤13mm

    T-13mm

    ±0.5%
    ≤4mm

    njengoba kuvunyelwene

    ±10%

    ±1.5mm

    3.2mm

    0.2% L

    0.020D

    0.015D

    '+10%
    -3.5%

    3.5mm

    4.8mm

    Ukuhlolwa kwe-Hydrostatic

    incazelo yomkhiqizo1

    Amandla Angenakuqhathaniswa Nokuqina:

    I-ASTM A252Kuvunguza ashiselwe steel ipayipiyenziwe ngensimbi yekhwalithi ephezulu ehlangabezana nezindinganiso ze-ASTM A252.Izinga liqinisekisa amandla aphakeme nokuqina kwamapayipi, okuwenza afanelekele ukusetshenziswa okuhlukahlukene okuhlanganisa ukudluliswa kukawoyela negesi, izisekelo zokunqwabelanisa nengqalasizinda yamanzi.Ama-spiral welds akhulisa amandla nokumelana kwamapayipi kumandla angaphandle, aqinisekise ukuthi angakwazi ukumelana nezindawo ezinomfutho ophezulu kanye nezimo zezulu ezinzima.

    Ukusebenza kahle nokusebenza kahle kwezindleko:

    Enye yezinzuzo eziyinhloko ze-ASTM A252 spiral welded steel pipe ukusebenza kahle kwayo okuphezulu ekufakeni nasekusetshenzisweni.Ukwakheka kwayo okuvunguzayo kulula ukuyithwala nokuyiphatha ngenxa yesisindo sayo esilula uma iqhathaniswa nezinye izinto zamapayipi.Ukwengeza, ukuguquguquka kwala mapayipi kusiza ukugoba, kunciphisa izidingo zokufakwa kanye nokuhlanganisa.Lokhu akugcini nje ngokusindisa isikhathi, futhi kunciphisa kakhulu izindleko zokufakwa, okwenza lolu hlobo lwamapayipi lube yisixazululo esingabizi kakhulu samaphrojekthi ahlukahlukene.

    Spiral Pipe Welding Ubude Ukubala

    Ukumelana nokugqwala okuthuthukisiwe:

    Ukugqwala kuyinkinga enkulu ezinhlelweni zamapayipi, ikakhulukazi ezimbonini eziphatha amakhemikhali nezinto ezibolayo.Izinga le-ASTM A252 liqinisekisa ukuthi amapayipi ensimbi ayi-spiral ashiselwe akhombisa ukumelana nokugqwala okuhle kakhulu.Lawa mapayipi anezingubo ezivikelayo ezifana ne-epoxy noma i-zinc esebenza njengesithiyo kuma-ejenti abolayo, anweba impilo yawo yesevisi futhi anciphise izindleko zokuyilungisa.Lesi sici sizuzisa kakhulu ezinhlelweni zokusebenza ezingaphansi komhlaba noma ezisogwini lapho amapayipi echayeka ezimeni ezinzima zemvelo.

    Umthamo omkhulu wokuthwala:

    Esinye isici esibalulekile se-ASTM A252 spiral welded steel pipe umthamo walo omuhle kakhulu wokuthwala.Ubuchwepheshe be-Spiral welding obusetshenziswa enqubweni yokukhiqiza buthuthukisa amandla epayipi kanye nekhono lokumelana nemithwalo esindayo.Kungakhathaliseki ukuthi asetshenziswa ekwakhiweni kwamabhuloho, isisekelo sesakhiwo noma amapayipi angaphansi komhlaba, lawa mapayipi ahlinzeka ngobuqotho obuphezulu besakhiwo, enciphisa ingozi yokwehluleka nokuqinisekisa ukuphepha kwesikhathi eside kwezinhlobonhlobo zemiklamo yengqalasizinda.

    Ukusimama kwemvelo:

    Esikhathini lapho ukuvikelwa kwemvelo kuyinto ekhathaza umhlaba wonke, ukukhetha izinto zokwakha ezifanele kubalulekile.Ipayipi lensimbi elishiselwe i-Spiral i-ASTM A252 ihambisana nezinqubo zokwakha ezisimeme ngenxa yokuqina kwayo kanye nokusetshenziswa kabusha.Amapayipi anomsebenzi omude futhi angaphinde asetshenziswe kalula ekupheleni kwempilo yawo, kuncishiswe isidingo sokukhishwa kwezinto ezintsha kuyilapho kunciphisa ukungcola kanye nokukhishwa kwekhabhoni.

    Ekuphetheni:

    Ipayipi lensimbi elishiselwe i-Spiral i-ASTM A252 iguqule imboni yamapayipi ngamandla ayo aphakeme, ukuqina kanye nokusebenza kahle kwezindleko.Lawa mapayipi ahlangabezana noma adlule izindinganiso zezimboni, okuwenza abe ukukhetha kokuqala ezimbonini eziningi.Umthamo wayo omuhle kakhulu wokuthwala umthwalo kanye nokumelana nokugqwala kuqinisekisa ukuthuthukiswa okusimeme kwemiklamo yengqalasizinda futhi kufaka isandla ekuthuthukisweni kwezimboni zomhlaba.Ngokusebenzisa la mapayipi, amaphrojekthi wokwakha angakwazi ukwandisa ukusebenza kahle, ukunciphisa izindleko futhi aqinisekise ukwethembeka kwesikhathi eside kuyilapho enamathela ekusimameni kwemvelo.

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