• Imeile: richard@czlxg.com
  • WhatsApp: 8615822968134
    • English

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

    Liphaephe tsa Seam tse Potolohang Bakeng sa Liphaephe tse Kholo tsa Metsi Setšoantšo se Hlahisitsoeng
    • Liphaephe tsa Spiral Seam Bakeng sa Liphaephe tse ka Sehloohong tsa Metsi

    Tlhaloso e Khutšoanyane:

    Kahong ea meralo ea motheo, thepa e sebelisitsoeng e phetha karolo ea bohlokoa bophelong bo bolelele le ts'ebetsong ea projeke. Thepa e 'ngoe ea bohlokoa indastering ea meralo ea motheo ke phaephe e kopantsoeng ka spiral. Liphaephe tsena li sebelisoa hangata lits'ebetsong tse fapaneng joalo ka liphaephe tsa metsi le tsa khase, 'me litlhaloso tsa tsona, ho kenyeletsoa liphaephe tse kopantsoeng le tse kopantsoeng ka spiral, li bohlokoa ho netefatsa ts'ebetso ea tsona. Ho blog ena, re tla sheba ka botebotlhaloso ea phaephe e welded ka spiral le bohlokoa ba tsona indastering ea kaho.


    Qaqiso ea Sehlahisoa

    Li-tag tsa Sehlahisoa

    Kahong ea meralo ea motheo, thepa e sebelisitsoeng e phetha karolo ea bohlokoa bophelong bo bolelele le ts'ebetsong ea projeke. Thepa e 'ngoe ea bohlokoa indastering ea meralo ea motheo ke phaephe e kopantsoeng ka spiral. Liphaephe tsena li sebelisoa hangata lits'ebetsong tse fapaneng joalo ka liphaephe tsa metsi le tsa khase, 'me litlhaloso tsa tsona, ho kenyeletsoa liphaephe tse kopantsoeng le tse kopantsoeng ka spiral, li bohlokoa ho netefatsa ts'ebetso ea tsona. Ho blog ena, re tla sheba ka botebotlhaloso ea phaephe e welded ka spiralle bohlokoa ba tsona indastering ea kaho.

    Sphaephe ea seam ea piralsli hahuoa ho sebelisoa mokhoa o bitsoang mokhoa oa ho tjheseletsa ka spiral. Mokhoa ona o kenyelletsa ho sebelisa likhoele tsa tšepe tse phuthoang ka mocheso hore li etsoe ka sebopeho sa cylindrical ebe li kopanngoa hammoho le moalo oa spiral. Sephetho ke phaephe e nang le matla a phahameng le ho tšoarella, e leng se etsang hore e lokele mefuta e mengata ea lits'ebetso. Liphaephe tsena li sebelisaphaephe e tjheseditswengtheknoloji nakong ea kaho, ho netefatsa hore li hanela mabaka a fapaneng a tikoloho le likhatello, e leng se etsang hore li be ntle bakeng sa tšebeliso ea ka tlas'a lefatše le ka tlas'a metsi.

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

    		        

    E tloaelehileng

    Kereiti ea Tšepe

    Likarolo tsa Lik'hemik'hale (%)

    Thepa e Tenyetsehang

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

    Tse ling

    Matla a Tekanyo (Mpa)

    Matla a ho Tenyetseha (Mpa)

    （L0=5.65 √ S0）Sekhahla sa ho Otlolla sa mets（%）
    boholo boholo boholo boholo boholo motsotso boholo motsotso boholo D ≤ 168.33mm D ＞ 168.3mm

    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  

    Ho eketsa e 'ngoe ea likarolo tsa Nb\V\Ti kapa motsoako ofe kapa ofe oa tsona ka boikhethelo

    		 175   310  

    27

    E 'ngoe kapa tse peli tsa index ea ho tiea ha matla a tšusumetso le sebaka sa ho kuta li ka khethoa. Bakeng sa L555, sheba tekanyetso.
    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, ho eketsa Nb kapa V kapa motsoako oa tsona ka boikhethelo, le Nb+V+Ti ≤ 0.15%

    		 172   310  

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

    Ha ho letho kapa efe kapa bobedi ba matla a tshusumetso le sebaka sa ho kuta tse hlokahalang e le tekanyetso ya ho tiya.
    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 tsa phaephe ea seam e potolohang, ho bohlokoa ho tsepamisa maikutlo lintlheng tsa bohlokoa tse kang bophara, botenya ba lebota le boleng ba thepa. Botenya ba phaephe bo khetholla bokhoni ba eona ba ho tsamaisa mokelikeli kapa khase, ha botenya ba lebota bo bapala karolo ea bohlokoa botšepehing ba eona ba sebopeho le ho hanyetsa khatello. Ho phaella moo, boleng ba thepa bo emela boleng le sebopeho sa tšepe e sebelisitsoeng 'me ke taba ea bohlokoa ho netefatsa hore phaephe e phela nako e telele le ts'ebetso ea eona ts'ebelisong e fanoeng.

    Kahong ealiphaephe tse kholo tsa metsi, liphaephe tsa moalo tse potolohang li na le melemo e mengata. Matla a tsona a ho tsitlella le ho hanyetsa mafome li etsa hore li be ntle bakeng sa ho tsamaisa metsi libakeng tse telele, ha ho tenyetseha ha tsona ho lumella ho kenngoa habonolo ho potoloha litšitiso le libakeng tse thata. Ho phaella moo, tšebeliso ea liphaephe tsa moalo tse potolohang liphaepheng tsa khase ea tlhaho e netefatsa ho tsamaisoa ha khase ea tlhaho ka mokhoa o sireletsehileng le o sebetsang hantle, e leng se fanang ka mohloli oa bohlokoa bakeng sa makala a bolulo, khoebo le indasteri.

    phala ea tšepe e potolohang

    Ka lehlakoreng la meralo ya motheo, ditlhaloso tsa phaephe ya seam e spiral di laolwa ke maemo le melawana ya indasteri ho netefatsa boleng le tshebetso ya tsona. Mohlala, Setsi sa Petroleum sa Amerika (API) se thehile maemo a tlhahiso le tshebediso ya phaephe ya seam e spiral e hlalosang ditlhoko tsa boholo, matla le mekgwa ya teko. Ho phaella moo, Mokgatlo wa Amerika wa Teko le Disebediswa (ASTM) o fana ka ditlhaloso tsa thepa le thepa ya mechini bakeng sa diphaephe tsa seam e spiral ho netefatsa hore di a tshepahala le ho latela maemo a indasteri.

    Ka bokhutšoanyane, tlhaloso ea phaephe e phuthetsoeng ka spiral e bohlokoa haholo bakeng sa karolo ea bona kahong ea meralo ea motheo. Ebang e sebelisetsoa litšehetso tsa metsi kapamehala ea peterole, liphaephe tsena li fana ka matla a sa bapisoeng, ho tšoarella le ho tenyetseha, e leng se etsang hore li be tsa bohlokoa lefatšeng la sejoale-joale. Ka ho khomarela maemo le melawana ea indasteri, tšebeliso ea liphaephe tsa seam tse potolohang e netefatsa polokeho le katleho ea litsamaiso tsa bohlokoa tsa meralo ea motheo, e bula tsela bakeng sa nts'etsopele e tsitsitseng le tsoelo-pele ea sechaba.

     

  • E fetileng:
  • E 'ngoe:
    • Ngola molaetsa oa hau mona 'me u o romelle ho rona

    Lihlopha tsa lihlahisoa