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    Spiral Seam Pipes For Main Water Pipes

    Spiral Seam Pipes For Main Water Pipes Featured Image
    • Spiral Seam Pipes For Main Water Pipes

    Tsanangudzo Pfupi:

    Mukuvaka zvivakwa, zvinhu zvinoshandiswa zvinoita basa rakakosha mukureba uye kushanda kweprojekiti.Chimwe chinhu chakakosha kuindasitiri yezvivakwa is spiral welded pombi.Mapombi aya anowanzo shandiswa mumhando dzakasiyana siyana senge mapombi emvura nemapombi egasi, uye zvirevo zvawo, zvinosanganisira welded uye spiral seam pombi, akakosha kuti ave nechokwadi chekuita kwavo.Mune ino blog, isu tichatarisa zvakadzama nezvespiral welded pombi yakatarwa uye kukosha kwavo muindasitiri yekuvaka.


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    Mukuvaka zvivakwa, zvinhu zvinoshandiswa zvinoita basa rakakosha mukureba uye kushanda kweprojekiti.Chimwe chinhu chakakosha kuindasitiri yezvivakwa is spiral welded pombi.Mapombi aya anowanzo shandiswa mumhando dzakasiyana siyana senge mapombi emvura nemapombi egasi, uye zvirevo zvawo, zvinosanganisira welded uye spiral seam pombi, akakosha kuti ave nechokwadi chekuita kwavo.Mune ino blog, isu tichatarisa zvakadzama nezvespiral welded pombi yakatarwauye kukosha kwavo muindasitiri yekuvaka.

    Spiral seam pipesanovakwa pachishandiswa nzira inonzi spiral welding process.Maitirwo acho anosanganisira kushandisa makoiri esimbi anopisa anokungurutswa kuti aite cylindrical shape uye obva asungwa achitevedza spiral seam.Mhedzisiro iyi pombi ine simba rakakwirira uye yakasimba, zvichiita kuti ive yakakodzera kune zvakasiyana-siyana zvekushandisa.Mapombi aya anoshandisawelded chubhutekinoroji panguva yekuvaka, kuve nechokwadi kuti inopokana neakasiyana ezvakatipoteredza zvinhu uye kumanikidza, zvichiita kuti ive yakakodzera kushandiswa kwepasi uye pasi pemvura.

    Main Physical and Chemical Properties of Simbi Pipes (GB/T3091-2008, GB/T9711-2011 uye API Spec 5L)

    		        

    Standard

    Steel Giredhi

    Chemical Constituents (%)

    Tensile Property

    Charpy(V notch)Impact Test
    c Mn p s Si

    Zvimwe

    Goho Simba (Mpa)

    Tensile Strength (Mpa)

    (L0=5.65 √ S0 ）min Stretch Rate (%)
    max max max max max min max min max D ≤ 168.33mm D ＞ 168.3mm

    GB/T3091 -2008

    		 Q215A ≤ 0.15 0.25 ＜ 1.20 0.045 0.050 0.35

    Kuwedzera Nb\V\Ti zvinoenderana neGB/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  

    Sarudzo yekuwedzera imwe yeNb\V\Ti zvinhu kana chero musanganiswa wavo

    		 175   310  

    27

    Imwe kana maviri eiyo toughness index yesimba rekukanganisa uye nzvimbo yekuveura inogona kusarudzwa.Kune L555, ona chiyero.
    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  

    Yegiredhi B simbi,Nb+V ≤ 0.03%;yesimbi ≥ giredhi B,optional kuwedzera Nb kana V kana musanganiswa wavo, uye Nb+V+Ti ≤ 0.15%

    		 172   310  

    (L0 = 50.8mm) ichaverengerwa maererano neformula inotevera:e=1944·A0 .2/U0 .0 A:Nzvimbo yesample mu mm2 U: Minimal yaitaurwa tensile simba muMpa

    Hapana kana chero kana ese ari maviri esimba rekukanganisa uye nzvimbo yekuveura inodiwa senzira yekuomesa.
    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

    Paunenge uchifunga nezve spiral seam pombi, zvakakosha kutarisa pazvinhu zvakakosha senge dhayamita, ukobvu hwemadziro uye giredhi rezvinhu.Iyo dhayamita yepombi inotaridza kugona kwayo kutakura mvura kana gasi, nepo ukobvu hwemadziro hunoita basa rakakosha mukutendeseka kwayo uye kudzvinyirira kuramba.Mukuwedzera, giredhi yezvinhu inomiririra kunaka uye kuumbwa kwesimbi yakashandiswa uye yakakosha kutarisisa mukuvimbisa hupenyu hurefu uye kushanda kwepombi mune yakapihwa application.

    Mukuvaka kwepombi dzemvura huru, spiral seam pombi dzine zvakawanda zvakanakira.Kusimba kwavo kwakasimba uye kusamira kwemarara kunoita kuti vakwanise kutakura mvura nekufamba madaro marefu, nepo kuchinjika kwavo kuchibvumira kuisirwa nyore kutenderedza zvipingamupinyi uye munzvimbo yakaoma.Uye zvakare, kushandiswa kwe spiral seam pombi mumapaipi egasi echisikigo kunovimbisa kuchengetedzwa uye kwakanyatso kufambisa kwegasi rechisikigo, ichipa yakakosha sosi yenzvimbo dzekugara, dzekutengesa uye dzemaindasitiri.

    spiral simbi pombi

    Padivi rezvivakwa, spiral seam pombi maratidziro anotongwa neindasitiri zviyero nemirau kuti ive nechokwadi chemhando yavo nekuita.Semuyenzaniso, American Petroleum Institute (API) yakagadzira zviyero zvekugadzira nekushandisa pombi yespiral-seam inotaridza zvinodiwa pakukura, simba, uye maitiro ekuyedza.Pamusoro pezvo, iyo American Society for Testing and Materials (ASTM) inopa kuumbwa kwezvinhu uye mekiniki zvivakwa zvemapombi espiral seam pombi kuti aenderere mberi nekuona kuvimbika kwavo uye kutevedzera zviyero zveindasitiri.

    Muchidimbu, iyo spiral welded pombi yakatarwa yakakosha kune yavo basa mukuvaka zvivakwa.Ingave inoshandiswa pamagetsi emvura kanamitsara yegesi, mapaipi aya anopa simba risingaenzaniswi, kusimba uye kushandiswa kwakasiyana-siyana, zvichiita kuti zvive zvakakosha munyika yanhasi.Nekuomerera kune indasitiri zviyero uye mirau, kushandiswa kwe spiral seam pombi kunovimbisa kuchengetedzeka uye kugona kweakakosha masisitimu ezvivakwa, achigadzira nzira yebudiriro yakadzikama uye kufambira mberi munharaunda.

     

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