Spiral Seam alxanka tuubada GBT9711 2011PSL2
Waan ku faraxsanahay inaan soo bandhigno badeecadayada cusub,tollayn spiral welded tuubo.Alaabtan hal-abuurka leh ee wax-qabadka badan leh waxa lagu sameeyaa iyadoo lagu rogo birta qaab dhismeedka kaarboon-yar ee kaarboon-yar ama fiilooyinka qaab-dhismeedka birta-daawaha hoose ee bannaan ee tuubbada xagal wareeg ah oo gaar ah, ka dibna alxanka tolayada tuubada.Habkan wax soo saarka gaarka ah wuxuu noo ogolaanayaa inaan soo saarno tuubooyinka birta dhexroorka weyn ee ka soo baxa xariijimo cidhiidhi ah.
Markay tahay Cangzhou Spiral Steel Pipes Group Co., Ltd., waxaanu ku faanaa xarumahayada casriga ah iyo tignoolajiyada casriga ah.Oo daboolaya aag ah 350,000 mitir oo laba jibbaaran iyo hantida guud ee 680 milyan yuan, waxay noqotay hogaamiye warshadaha.Iyadoo koox gaar ah oo ka kooban 680 shaqaale ah, iyada oo loo marayo dadaallo aan kala go 'lahayn, shirkadu waxay leedahay wax soo saar sanadle ah oo ah 400,000 tan oo tuubooyinka birta ah ee wareega iyo qiimaha wax soo saarka ee 1.8 yuan.
Heerka |
Heerka birta | (%) Halabuurka kiimikada | Guryaha xamaasada | Saamaynta CharpyTijaabi oo TuurImtixaanka Jeexitaanka Miisaanka | ||||||||||||||
C | Si | Mn | P | S | V | Nb | Ti | Mid kale | CEV4)(%) | Rt0.5 MpaXoog soo saar |
Rm Mpa Xoogga Jilicsan | Rt0.5/ Rm | (L0=5.65 √ S0) Kordhinta A% | |||||
max | max | max | max | max | max | max | max | max | min | max | min | max | max | min | ||||
GB/T9711 -2011 (PSL2) | L245MB | 0.22 | 0.45 | 1.20 | 0.025 | 0.15 | 0.05 | 0.05 | 0.04 | 1) | 0.40 | 245 | 450 | 415 |
760 |
0.93 | 22 | Tijaabada Saamaynta Charpy: Saamayntanuugistatamarta ee jidhka biibiile iyo alxanka tollayn doonaa lagu tijaabiyo sida looga baahan yahay gudaha heerka asalka ah.Faahfaahinta, eeg heerka asalka ah. Tijaabada jeexjeexa miisaanka: Ikhtiyaar aagga dhogorta |
L290MB | 0.22 | 0.45 | 1.30 | 0.025 | 0.015 | 0.05 | 0.05 | 0.04 | 1) | 0.40 | 290 | 495 | 415 | 21 | ||||
L320MB | 0.22 | 0.45 | 1.30 | 0.025 | 0.015 | 0.05 | 0.05 | 0.04 | 1) | 0.41 | 320 | 500 | 430 | 21 | ||||
L360MB | 0.22 | 0.45 | 1.40 | 0.025 | 0.015 | 1) | 0.41 | 360 | 530 | 460 | 20 | |||||||
L390MB | 0.22 | 0.45 | 1.40 | 0.025 | 0.15 | 1) | 0.41 | 390 | 545 | 490 | 20 | |||||||
L415MB | 0.12 | 0.45 | 1.60 | 0.025 | 0.015 | 1)2)3 | 0.42 | 415 | 565 | 520 | 18 | |||||||
L450MB | 0.12 | 0.45 | 1.60 | 0.025 | 0.015 | 1)2)3 | 0.43 | 450 | 600 | 535 | 18 | |||||||
L485MB | 0.12 | 0.45 | 1.7 | 0.025 | 0.015 | 1)2)3 | 0.43 | 485 | 635 | 570 | 18 | |||||||
L555MB | 0.12 | 0.45 | 1.85 | 0.025 | 0.015 | 1)2)3 | 协议Gorgortanka | 555 | 705 | 625 | 825 | 0.95 | 18 | |||||
Fiiro gaar ah:1) 0.015 ≤ Altot | ||||||||||||||||||
2) V+Nb+Ti ≤ 0.015%3) Dhammaan darajooyinka birta, Mo laga yaabaa ≤ 0.35%, hoos yimaada qandaraas. Mn Cr+Mo+V Cu+Ni 4) CEV=C+6+5+5
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Mid ka mid ah faa'iidooyinka ugu muhiimsan ee tuubooyinkeena tolida welded waa xoog iyo adkeysi aan la qiyaasi karin.Isticmaalka xargaha birta ah ee tayada sare leh waxay hubisaa in tuubooyinkeenu ay u adkeysan karaan xaalado aad u daran iyo culeysyo culus, iyaga oo ka dhigaya kuwo ku habboon codsiyo kala duwan.Laga soo bilaabo gudbinta saliidda iyo gaaska ilaa nidaamka biyaha iyo bullaacadaha, tubooyinkayadu waxay dammaanad qaadayaan waxqabad la isku halayn karo iyo adeeg waara.
Intaa waxaa dheer, tuubooyinkeena tol-laaban ee alxanka leh waxay bixiyaan kala duwanaansho gaar ah.Awoodda lagu soo saaro tuubooyinka birta dhexroorka weyn, waxaan buuxin karnaa noocyo kala duwan oo shuruudaha mashruuca iyo qeexitaannada.Haddii aad u baahan tahay tubooyinka horumarinta kaabayaasha, mashaariicda dhismaha ama codsiyada warshadaha, waxaan leenahay awoodaha si aan u daboolo baahiyahaaga.
Xoog iyo is-bedelka ka sokow, tuubooyinkeena tollaysan ee dhuuban waxay bixiyaan iska caabin daxaleed aad u fiican.Tani waa mid aad muhiim u ah, gaar ahaan warshadaha si joogto ah u soo gaadha bay'ad adag iyo walxaha daxalka.Tuubooyinkeena waxaa loo habeeyay si ay u istaagaan imtixaanka waqtiga, hubinta waxqabadka ugu fiican xitaa xaaladaha ugu baahida badan.
Markay tahay Cangzhou Spiral Steel Pipes Group Co., Ltd., waxaa naga go'an inaan bixino alaab tayo leh iyo adeeg macaamiil oo heer sare ah.Tallaabooyinkayaga xakamaynta tayada adag iyo habraacyada tijaabada adag waxay xaqiijinayaan in tuubo kasta oo tollayn alxan leh oo ka baxda warshadda ay buuxiso heerarka warshadaha ugu sarreeya.Intaa waxaa dheer, kooxdayada taageerada macaamiisha u heellan ayaa halkan u jooga inay kaa caawiyaan wixii su'aalo ah ama walaac ah oo aad qabtid.
Dhammaanba, tuubooyinkeena tolitaanka welded waa xal lagu kalsoonaan karo oo hufan oo loogu talagalay codsiyada kala duwan.Iyadoo loo marayo hababka wax soo saarka ee casriga ah iyo sida ay uga go'an tahay heer sare, waxaan noqonnay alaab-qeybiye lagu kalsoon yahay ee warshadaha.Haddii aad raadinayso xoog, kala duwanaansho ama iska caabin daxalka, our tollayn spiral tube welded waa doorashada ugu fiican.U dooro Cangzhou Spiral Steel Pipes Group Co., Ltd. dhammaan baahiyahaaga birta.