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    Liphaephe tsa Seam Seam Bakeng sa Liphaephe tse ka Sehloohong tsa Metsi

    Liphaephe tsa Spiral Seam Bakeng sa Liphaephe tse ka Sehloohong tsa Metsi Featured Image
    • Liphaephe tsa Seam Seam Bakeng sa Liphaephe tse ka Sehloohong tsa Metsi

    Tlhaloso e Khutšoanyane:

    Kahong ea meaho, lisebelisoa tse sebelisoang li phetha karolo ea bohlokoa bophelong bo bolelele le ts'ebetsong ea morero.Sesebediswa se seng seo e leng sa bohlokwa haholo indastering ya meaho ke peipi e tjheseditsweng ka spiral.Liphaephe tsena li sebelisoa hangata lits'ebetsong tse fapaneng joalo ka liphaephe tsa metsi le lipeipi tsa khase, 'me litlhaloso tsa tsona, ho kenyeletsoa liphaephe tse cheselitsoeng le li-spiral seam, li bohlokoa ho netefatsa ts'ebetso ea tsona.Ka blog ena, re tla shebisisa ka ho tebaspiral welded pipe specification le bohlokoa ba tsona indastering ea kaho.


    Lintlha tsa Sehlahisoa

    Li-tag tsa Sehlahisoa

    Kahong ea meaho, lisebelisoa tse sebelisoang li phetha karolo ea bohlokoa bophelong bo bolelele le ts'ebetsong ea morero.Sesebediswa se seng seo e leng sa bohlokwa haholo indastering ya meaho ke peipi e tjheseditsweng ka spiral.Liphaephe tsena li sebelisoa hangata lits'ebetsong tse fapaneng joalo ka liphaephe tsa metsi le lipeipi tsa khase, 'me litlhaloso tsa tsona, ho kenyeletsoa liphaephe tse cheselitsoeng le li-spiral seam, li bohlokoa ho netefatsa ts'ebetso ea tsona.Ka blog ena, re tla shebisisa ka ho tebaspiral welded pipe specificationle bohlokoa ba tsona indastering ea kaho.

    Spiral seam pipesli hahoa ka mokhoa o bitsoang spiral welding process.Ts'ebetso ena e kenyelletsa ho sebelisa likhoele tsa tšepe tse kolobisitsoeng ka ho chesa hore li bopehe hore e be cylindrical ebe li tšehelitsoe ka seam e bilikang.Phello ke phala e nang le matla a phahameng le nako e telele, e etsang hore e tšoanelehe bakeng sa mefuta e mengata ea likopo.Liphaephe tsena li sebetsatube e cheselitsoengthekenoloji nakong ea kaho, ho etsa bonnete ba hore ba hanana le maemo a fapaneng a tikoloho le likhatello, ho etsa hore e be tse loketseng bakeng sa tšebeliso ea ka tlas'a lefatše le ka tlas'a metsi.

    Thepa e ka Sehloohong ea 'Mele le ea Lik'hemik'hale ea Lipeipi tsa Tšepe (GB/T3091-2008, GB/T9711-2011 le API Spec 5L)

    		        

    Standard

    Kereiti ea tšepe

    Likarolo tsa Lik'hemik'hale (%)

    Thepa ea Tensile

    Teko ea Tšusumetso ea Charpy(V notch)
    c Mn p s Si

    Tse ding

    Yield Strength (Mpa)

    Tensile Strength (Mpa)

    (L0=5.65 √ S0 ）Metsotso e Lebelo la ho Otlolla (%)
    max max max max max min max min max D ≤ 168.33mm D ~ 168.3 limilimithara

    GB/T3091 -2008

    		 Q215A ≤ 0.15 0.25 ＜ 1.20 0.045 0.050 0.35

    Ho eketsa Nb\V\Ti ho latela 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  

    Ka boikhethelo ho kenyelletsa e 'ngoe ea likarolo tsa Nb\V\Ti kapa motsoako ofe kapa ofe oa tsona

    		 175   310  

    27

    E 'ngoe kapa tse peli tsa toughness index of impact energy le sebaka sa ho kuta li ka khethoa.Bakeng sa L555, bona maemo.
    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  

    Bakeng sa tšepe ea sehlopha sa B,Nb+V ≤ 0.03%; bakeng sa tšepe ≥ sehlopha sa B, ka boikhethelo ho eketsa Nb kapa V kapa motsoako oa bona, le Nb+V+Ti ≤ 0.15%

    		 172   310  

    (L0=50.8mm) e tla baloa ho latela foromo e latelang:e=1944·A0 .2/U0 .0 A: Sebaka sa sampole ho mm2 U: Matla a fokolang a boletsoeng ho Mpa

    Ha ho letho kapa leha e le efe kapa bobeli ba matla a tšusumetso le sebaka sa ho kuta e hlokahalang e le mokhoa oa ho thatafala.
    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

    Ha ho nahanoa ka litlhaloso bakeng sa pipe ea seam ea spiral, ho bohlokoa ho tsepamisa maikutlo linthong tsa bohlokoa tse kang bophara, botenya ba lebota le boemo ba thepa.Bophara ba phala bo lekanya bokhoni ba eona ba ho tsamaisa mokelikeli kapa khase, athe botenya ba lerako bo phetha karolo ea bohlokoa molemong oa botšepehi ba eona le ho hanyetsa khatello.Ho phaella moo, boemo ba thepa bo emela boleng le ho hlophisoa ha tšepe e sebelisitsoeng 'me ke taba ea bohlokoa ho netefatsa nako e telele le ts'ebetso ea pipe ka kopo e fanoeng.

    Kahong ealipeipi tse kholo tsa metsi, liphaephe tsa seam spiral li na le melemo e mengata.Matla a tsona a phahameng a tsitsipano le ho hanyetsa ha kutu li li etsa hore e be tse loketseng ho tsamaisa metsi maetong a malelele, athe ho feto-fetoha ha tsona ho lumella ho kenya habonolo ho potoloha litšitiso le libakeng tse thata.Ho feta moo, ts'ebeliso ea liphaephe tsa seam spiral liphaepheng tsa khase ea tlhaho li netefatsa ho tsamaisoa ka mokhoa o bolokehileng le o sebetsang oa khase ea tlhaho, ho fana ka mohloli oa bohlokoa bakeng sa makala a bolulo, khoebo le indasteri.

    phala ea tšepe ea spiral

    Ka lehlakoreng la litšebeletso tsa motheo, litlhaloso tsa lipeipi tsa spiral seam li laoloa ke litekanyetso le melaoana ea indasteri ho netefatsa boleng le ts'ebetso ea tsona.Mohlala, Setsi sa Amerika sa Petroleum (API) se thehile litekanyetso tsa ho etsa le ho sebelisa phala ea spiral-seam e hlalosang litlhoko tsa boholo, matla le mekhoa ea tlhahlobo.Ntle le moo, American Society for Testing and Materials (ASTM) e fana ka sebopeho sa thepa le litlhaloso tsa thepa ea mochini bakeng sa liphaephe tsa seam spiral ho netefatsa ho ts'epahala le ho latela maemo a indasteri.

    Ka bokhuts'oane, lipeipi tse cheselitsoeng ka spiral li bohlokoa haholo molemong oa kaho ea meaho.Hore na e sebelisoa bakeng sa likhoele tsa metsi kapamehala ea khase, liphaephe tsena li fana ka matla a ke keng a lekanngoa, ho tšoarella le ho feto-fetoha ha maemo, ho etsa hore e be tsa bohlokoa haholo lefatšeng la kajeno.Ka ho ikamahanya le litekanyetso le melaoana ea indasteri, tšebeliso ea liphaephe tsa seam spiral e netefatsa polokeho le katleho ea litsamaiso tsa bohlokoa tsa meralo ea motheo, ho bula tsela bakeng sa nts'etsopele ea moshoelella le tsoelopele ea sechaba.

     

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