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    Dhuumaha birta Spiral Seam ee Dhuumaha Biyaha Dhulka Hoostiisa

    Spiral Seam Steel Dhuumaha ee Dhuumaha Biyaha Dhulka Hoostiisa Sawirka
    • Dhuumaha birta Spiral Seam ee Dhuumaha Biyaha Dhulka Hoostiisa

    Sharaxaad Gaaban:

    Soo bandhigida ourtuubada tollayn spiral ee tuubooyinka biyaha dhulka hoostiisa.Kaabayaasha hal-abuurkan cusubi waa tuubo tol ah oo wareeg ah, oo si xirfad leh loo alxanayo iyadoo la adeegsanayo tignoolajiyada alxanka birta ee ugu tayada sareysa ee suuqa.


    Faahfaahinta Alaabta

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    TheDhuumaha biyaha dhulka hoostiisawaa tuubo bir ah oo wareeg ah oo ay samaysay si toos ah oo labajibbaaran oo laba-geesood ah oo hoos yimaada habka alxanka arc.Dhuumaha waxaa laga sameeyaa gariiradaha birta ah ee xariijimaha ah waxaana lagu sii saaraa heerkul joogto ah si loo hubiyo in ay jiri doonto iyo cimrigeeda.

    Tilmaamaha ugu Muhiimsan ee Jirka iyo Kiimikada ee Tuubooyinka Birta (GB/T3091-2008, GB/T9711-2011 iyo API Spec 5L)

    		        

    Heerka

    Heerka Birta

    Qaybaha Kiimikada (%)

    Hanti Jilicsan

    Imtixaanka Saamaynta Charpy (V notch).
    c Mn p s Si

    Mid kale

    Xoogga Wax-soosaarka (Mpa)

    Xooga Jilicsan (Mpa)

    (L0=5.65 √ S0) Daqadda fiditaanka （%）
    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

    Ku darista Nb\V\Ti si waafaqsan 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  

    Ikhtiyaarka ku darida mid ka mid ah walxaha Nb\VTi ama wax kasta oo la isku daro

    		 175   310  

    27

    Hal ama laba ka mid ah tusmada adkaanta ee saamaynta tamarta iyo aagga dhogorta ayaa la dooran karaa.Wixii L555, eeg heerka.
    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  

    Heerka B birta, Nb+V ≤ 0.03%; birta ≥ darajada B, ku darida Nb ama V ama isku darka, iyo Nb+V+Ti ≤ 0.15%

    		 172   310  

    (L0=50.8mm) in lagu xisaabiyo si waafaqsan qaacidada soo socota:e=1944·A0 .2/U0

    Midna ama mid ama labadaba tamarta saameynta iyo aagga xiirashada ayaa looga baahan yahay cabbir adag ahaan.
    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

    Dhismaha isku-dhafka ah ee tuubada waxay hubisaa inay tahay mid aad u xoog badan oo cadaadis u adkaysata, taasoo ka dhigaysa doorasho ku habboon hababka biyaha dhulka hoostiisa.

    Marka lagu daro xoogga iyo cimri dhererka, tuubooyinka biyaha dhulka hoostiisa ayaa loogu talagalay fududaynta rakibidda.Dhismaha tollayntu waa mid dabacsan oo la qabsan karo, taas oo u oggolaanaysa dhaqdhaqaaq fudud iyo meelaynta xitaa dhulka ugu adag.Tani waxay ka dhigan tahay inaad si dhakhso leh oo hufan u dhigi karto tuubooyinka, adoo badbaadinaya wakhtiga iyo kharashka shaqada.

    Intaa waxaa dheer, isticmaalka qalab tayo sare leh iyo tignoolajiyada alxanka sare waxay hubisaa in dhuumaha biyaha ee dhulka hoostiisa ay aad ugu adkaysanayaan daxalka iyo miridhku.Tani waxay ka dhigan tahay inay ilaalin doonto daacadnimadeeda iyo shaqeynteeda sanado, xitaa xaaladaha adag ee dhulka hoostiisa.

    Hababka alxanka tuubooyinka
    Dhuumaha dahaadhka ah ee polyurethane

    Tuubooyinka biyaha ee dhulka hoostiisa ayaa lagu heli karaa cabbirro kala duwan si loo daboolo baahiyaha gaarka ah ee mashruucaaga.Haddi aad dhigayso biyo yar oo gudaha ah ama nidaam warshadeed oo weyn, waxaanu kuu haynaa dhuumaha ugu fiican.Kooxdayada khabiiradu waxay sidoo kale ku siin karaan talo iyo taageero ku habboon si ay kaaga caawiyaan inaad doorato tuubooyinka ku habboon shuruudahaaga.

    Marka ay timaado nidaamka biyaha dhulka hoostiisa, waxaad u baahan tahay tuubo aad ku kalsoon tahay.Iyada oo la adeegsanayo dhismo isku dhafan oo wareeg ah oo horumarsan, qalab tayo leh iyo alxanka khabiirada, tuubooyinka biyaha ee dhulka hoostiisa ayaa ku habboon shabakad kasta oo biyo-bixineed.Waarta, la isku halleyn karo oo sahlan in la rakibo, tuubadani waxay istaagi doontaa imtixaanka waqtiga, oo ku siinaya xasilloonida maskaxda iyo waxqabadka sare.

    Isku soo wada duuboo, tuubooyinka tollaynta wareega ayaa ah doorasho aad u fiican qof kasta oo u baahan xal qaybinta biyaha tayo sare leh, la isku halayn karo oo waara.Iyada oo ay dhismayso tollayn heer sare ah oo xirfad lehalxanka biraha, tuubada waxay bixisaa xoog aan la mid ahayn, dabacsanaan iyo iska caabin daxalka.Ha u dhimin tayada nidaamkaaga biyaha dhulka hoostiisa - dooro tubooyinka biyaha dhulka hoostiisa si aad u noqoto xal aad ku kalsoonaan karto.

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