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    Ikhwalithi ephezulu

    Ikhwalithi ephezulu yekhwalithi ephezulu shaam pipe afaka isithombe
    • Ikhwalithi ephezulu

    Incazelo emfushane:

    Ipayipi lethu eliphakeme kakhulu lekhwalithi eliphakeme lilungele izinhlelo ezahlukahlukene zokusebenzisa, kufaka phakathi ukwakhiwa, uwoyela kanye negesi, kanye nezinto zokuhamba zasolwandle. Ngamandla ayo aphakeme nokuqina, yakhelwe ukumelana nengcindezi futhi umele ukuqina, okwenza kube yisixazululo esihlala isikhathi eside sezidingo zakho zepayipi.


    Imininingwane Yomkhiqizo

    Amathegi Omkhiqizo

    Kwethulwa ipayipi lethu lekhwalithi ephezulu, umkhiqizo ohlanganisa amandla, ukuqina kanye nobunjiniyela bokunemba. Kwenziwe kusetshenziswa inqubo ethuthukisiwe ye-welding ye-welding, amapayipi ethu akhiqizwa amakhoyili ensimbi asongwe avuthayo akhiwa ngokucophelela esimweni se-cylindrical futhi afakwe emthungo ovunguzayo. Le ndlela yokukhiqiza ebonakalayo ayikhulisanga kuphela ubuqotho bezinhlaka zamapayipi, kepha futhi iqinisekisa ukuthi bangamelana nezicelo ezifunwa kakhulu.

    ENkampani Yethu, siyaziqhenya ngokuzibophezela kwethu okungaguquki ekwanelisekeni kwamakhasimende. Kuyo yonke le minyaka, sakha idumela lokuhle kakhulu ngokubeka phambili izidingo zamakhasimende ethu ngazo zonke izigaba zenqubo yokuthenga. Ukubonisana kwangaphambi kokuthengisa ekusekelweni kokuthengisa okuthengiswayo kanye nezinsizakalo ezibanzi ngemuva kokuthengisa, sizibophezele ukuhlangabezana nazo zonke izidingo zamakhasimende ethu. Le ndlela yamakhasimende-ye-Centric isithole ukuthi iTrasti kanye nokwethembeka kwamakhasimende ethu, ahlala ayazisa ikhwalithi yemikhiqizo yethu kanye nokwethenjwa kwezinsizakalo zethu.

    Ikhwalithi yethu ephezuluKuvunguza ipayipiIlungele izinhlelo ezahlukahlukene ezahlukahlukene, kufaka phakathi ukwakhiwa, uwoyela negesi, kanye nezinto zokuhamba zasolwandle. Ngamandla ayo aphakeme nokuqina, yakhelwe ukumelana nengcindezi futhi umele ukuqina, okwenza kube yisixazululo esihlala isikhathi eside sezidingo zakho zepayipi.

    Ukucaciswa komkhiqizo

     

    Izakhiwo eziphambili zomzimba nezamakhemikhali zamapayipi ensimbi (GB / T3091-2008, GB / T9711-2011 ne-API Spec 5l)

    		        

    -Vamile

    Ibanga lensimbi

    Amakhemikhali (%)

    Impahla ethambile

    I-charpy (v notch) umthelela wokuhlolwa
    c Mn p s Si

    -Nye nje

    Amandla Okuthela (MPA)

    Amandla we-Tensile (MPA)

    (L0 = 5.65 √ s0) min stture rate (%)
    umnciphikazi umnciphikazi umnciphikazi umnciphikazi umnciphikazi uku umnciphikazi uku umnciphikazi D ≤ 168.33mm D> 168.3mm

    I-GB / T3091 -2008

    		 Q215a ≤ 0.15 0.25 <1.20 0.045 0.050 0.35

    Ukungeza i-NBVTI ngokuya nge-GB / T1591-94

    		 215   335   15 > 31 31  
    Q215B ≤ 0.15 0.25-0.55 0.045 0.045 0.035 215 335 15 > 31 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 I-390 13 > 23
    Q295B 0.16 0.80-1.50 0.045 0.040 0.55 295 I-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

    I-GB / T971112011 (PSL1)

    		 I-L175 0.21 I-0.60 0.030 0.030  

    Ongakukhetha ngokungeza enye yezinto ze-NBVTI noma enye inhlanganisela yazo

    		 175   I-310  

    27

    Inkomba eyodwa noma ezimbili ze-Gloutyness Index of Ithonya Lamandla Nendawo Yokugunda Iyakhethwa. Ku-L555, bheka Izinga.
    L210 0.22 0.90 0.030 0.030 210 335

    25
    L245 0.26 1.20 0.030 0.030 245 415

    21
    I-L290 0.26 1.30 0.030 0.030 I-290 415

    21
    L320 0.26 1.40 0.030 0.030 320 435

    20
    I-L360 0.26 1.40 0.030 0.030 I-360 460

    19
    L390 0.26 1.40 0.030 0.030 I-390 I-390

    18
    L415 0.26 1.40 0.030 0.030 415 520

    17
    L450 0.26 1.45 0.030 0.030 I-450 535

    17
    L485 0.26 I-1.65 0.030 0.030 485 I-570

    16

    I-API 5L (PSL 1)

    		 A25 0.21 I-0.60 0.030 0.030  

    Ngebanga lensimbi, nb + v ≤ 0.03%; ngensimbi ≥.03%;

    		 172   I-310  

    (L0 = 50.8mm) ukubalwa ngokuya ngefomula elandelayo: E = 1944 · A0 .2 A0.0 A0 A0 .0 A: Indawo yesampula ku-MM2 U.

    Akekho noma noma yimibili noma yomibili umthelela wendawo nendawo yokugunda edingekayo njengezikhombisi zobunzima.
    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   I-290 414
    I-X46 0.26 1.40 0.030 0.030   I-317 434
    X52 0.26 1.40 0.030 0.030   359 455
    I-X56 0.26 1.40 0.030 0.030   I-386 490
    X60 0.26 1.40 0.030 0.030   414 517
    I-X65 0.26 1.45 0.030 0.030   448 531
    I-X70 0.26 I-1.65 0.030 0.030   483 I-565

     

    Inzuzo yomkhiqizo

    1. Enye yezinzuzo eziphambili ze-Spiral Seam Pipe ngamandla ayo amahle kakhulu. Inqubo ye-welding ekrisani inika amandla ama-welding aqhubekayo, ngaleyo ndlela athuthukise ubuqotho bepayipi. Lokhu kubenza balungele ukuthutha uketshezi namagesi ngaphansi kwengcindezi ephezulu.

    2. Inqubo yokukhiqiza isebenza kahle, ivumela amapayipi amade ukuthi akhiqizwe ngaphandle kwesidingo samalunga, angaba ngamaphoyinti abuthakathaka.

    3. Enye inzuzo ebalulekileipayipi lomfutho enopheyiseloukuguquguquka kwayo. Zingakhiqizwa ngama-diameters ahlukahlukene kanye nobukhulu bodonga ngezicelo eziningi ezivela kumafutha nokuhamba kwegesi ezinhlelweni zamanzi.

    I-4. Izinkampani ezenza la mapayipi abeka phambili ukwaneliseka kwamakhasimende futhi anikeze ngokuthengisa okuphelele kwangaphambili, ngesikhathi sokuthengisa, nangemva kokuthengisa. Lokhu kuzibophezela kuqinisekisa amakhasimende athola imikhiqizo ehambelana nezidingo zabo ezithile, athuthukise okuhlangenwe nakho okuphelele.

    Ukushiyeka komkhiqizo

    1. Inqubo ye-welding eluhlaza ingaba yinkimbinkimbi ngokwedlula izindlela ze-welding zendabuko, ezingaholela ezindlekweni zokukhiqiza eziphakeme.

    2

     

    Spiral Steel Pipe

     

     

    Umthandi

    Q1: Yini ipayipi lomthungo elivulekile?

    Kukala ipayipi lomthungo kusakhiwe kusetshenziswa indlela ekhethekile ebizwa ngokuthi yinqubo ye-wolding spiral. Lokhu kubuchwepheshe okusha kufaka amakhoyili ensimbi avuthayo akhiwa esimweni se-cylindrical futhi afakwe emthungo. Ipayipi eliphumayo aligcini nje ngokuthi linamandla aphezulu kepha futhi lihlala kahle kakhulu, okwenza lilungele izinhlelo ezahlukahlukene, kufaka phakathi izinto zokuhamba ze-oyili negesi, ukuhlinzekwa kwamanzi kanye nokuxhaswa kwamanzi.

    Q2: Kungani ukhethe ipayipi eliphakeme lekhwalithi ephezulu?

    Inzuzo eyinhloko yamapayipi we-spiral asezingeni eliphakeme ukwakhiwa kwawo okuqinile. Inqubo ye-welding eluhlaza ivumela ukushibilika okuqhubekayo, okuthuthukisa ubuqotho kanye nokuphikiswa kwengcindezi kwepayipi. Ngaphezu kwalokho, la mapayipi angenziwa ngosayizi ahlukahlukene nobukhulu bokuhlangabezana nezidingo ezithile zamaphrojekthi ahlukile.

    Q3: Yini okufanele ngiyibheke kumphakeli?

    Lapho ukhetha umphakeli we-shuam seam, kubalulekile ukukhetha inkampani ebeka ukwaneliseka kwamakhasimende kuqala. Funa umphakeli onikeza ukuthengisa okuphelele kwangaphambi kokuthengisa, ukuthengisa, kanye nezinsizakalo zokuthengisa ngemuva. Inkampani ehlonishwayo izoqinisekisa ukuthi imikhiqizo yayo ihlangabezana nemininingwane esungulwe futhi ingathola izidingo zakho ezihlukile, iqinisekise ukuthi uthola imikhiqizo esezingeni eliphakeme nezinsizakalo amakhasimende akho azowazisa.

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