Tuubada Alxanka Tolmada Wareega ah GBT9711 2011PSL2
Waanu ku faraxsanahay inaan soo bandhigno badeecadeenna cusub,tuubo tolmo muquuninta ah oo la weldedBadeecadan cusub ee wax-qabadka badan leh waxaa lagu sameeyaa iyadoo birta qaab-dhismeedka kaarboon yar ama xargaha birta qaab-dhismeedka ee daawaha yar lagu rogo meelaha bannaan ee tuubooyinka xagal wareegsan oo gaar ah, ka dibna lagu tolo tolmada tuubada. Habkan wax-soo-saarka ee gaarka ah wuxuu noo oggolaanayaa inaan soo saarno tuubooyin bir ah oo dhexroor weyn leh oo ka imanaya xargaha cidhiidhiga ah.
Shirkadda Cangzhou Spiral Steel Pipes Group Co., Ltd., waxaan aad ugu faannaa xarumaha casriga ah iyo tiknoolajiyadda casriga ah. Iyada oo daboolaysa dhul dhan 350,000 mitir oo laba jibbaaran iyo wadarta hantida oo dhan 680 milyan oo yuan, waxay noqotay hormuudka warshadaha. Iyada oo leh koox u heellan oo ka kooban 680 shaqaale, iyada oo loo marayo dadaallo aan kala go 'lahayn, shirkaddu waxay sanad walba soo saartaa 400,000 oo tan oo tuubooyin bir ah oo wareegsan ah iyo qiimaha wax soo saarka oo ah 1.8 bilyan oo yuan.
| Heerka Caadiga ah |
heerka birta | (%) Halabuurka kiimikada | Sifooyinka jilicsanaanta | Saamaynta CharpyTijaabi oo DhigTijaabada Jeexitaanka Miisaanka | ||||||||||||||
| C | Si | Mn | P | S | V | Nb | Ti | Kale | CEV4)(%) | Rt0.5 MpaXoogga wax soo saarka |
Rm Mpa Xoogga Tijaabada | Rt0.5/ Rm | (L0=5.65 √ S0) Kordhinta A% | |||||
| ugu badan | ugu badan | ugu badan | ugu badan | ugu badan | ugu badan | ugu badan | ugu badan | ugu badan | daq | ugu badan | daq | ugu badan | ugu badan | daq | ||||
|
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 saameynta Charpy: Saamayntanuugayatamarta jirka tuubooyinka iyo tolmada alxanka waa inay lagu tijaabiyo sida looga baahan yahay gudaha Heerka asalka ah. Wixii faahfaahin ah, fiiri heerka asalka ah. Tijaabada ilmada miisaanka hoos u dhigista: Ikhtiyaar aagga xiirashada |
| 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 waxay noqon kartaa ≤ 0.35%, iyadoo qandaraas la galayo. Mn Cr+Mo+V Cu+Ni 4) CEV=C+6+5+5
| ||||||||||||||||||
Mid ka mid ah faa'iidooyinka ugu muhiimsan ee tuubooyinkayaga tolmada leh ee wareegsan waa xooggeeda iyo cimri dhererkeeda aan la barbar dhigi karin. Isticmaalka xariijimaha birta tayo sare leh waxay hubinayaan in tuubooyinkeenu ay u adkeysan karaan xaalado aad u daran iyo culaysyo culus, taasoo ka dhigaysa kuwo ku habboon codsiyo kala duwan. Laga bilaabo gudbinta saliidda iyo gaaska ilaa nidaamyada biyaha iyo wasakhda, tuubooyinkeenu waxay dammaanad qaadayaan waxqabad la isku halleyn karo iyo adeeg waara.
Intaa waxaa dheer, tuubooyinkayaga tolmada wareegsan ee la isku tolay waxay bixiyaan kala duwanaansho aad u wanaagsan. Iyada oo la awoodo inaan soo saarno tuubooyin bir ah oo dhexroor weyn leh, waxaan buuxin karnaa shuruudo iyo tilmaamo kala duwan oo mashruuc ah. Hadday tahay inaad u baahan tahay tuubooyin loogu talagalay horumarinta kaabayaasha dhaqaalaha, mashaariicda dhismaha ama codsiyada warshadaha, waxaan leenahay awood aan ku dabooli karno baahiyahaaga.
Marka laga soo tago xoogga iyo kala duwanaanta, tuubooyinkayaga tolmada leh ee wareegsan waxay bixiyaan iska caabin aad u fiican oo daxalka ah. Tani waa muhiim, gaar ahaan warshadaha inta badan la kulma jawi adag iyo walxaha daxalka leh. Tuubooyinkayaga waxaa loo sameeyay inay u adkeystaan imtixaanka waqtiga, iyagoo hubinaya waxqabad wanaagsan xitaa xaaladaha ugu adag.
Shirkadda Cangzhou Spiral Steel Pipes Group Co., Ltd., waxaan ka go'an nahay inaan bixinno alaab tayo leh iyo adeeg macaamiil oo heer sare ah. Tallaabooyinkayaga xakamaynta tayada adag iyo hababka tijaabada ee adag waxay hubinayaan in tuubo kasta oo tolmo ah oo wareegsan oo ka baxda warshadda ay buuxiso heerarka ugu sarreeya ee warshadaha. Intaa waxaa dheer, kooxdayada taageerada macaamiisha ee heeganka ah ayaa halkan u joogta inay kaa caawiyaan wixii su'aalo ah ama walaac ah ee aad qabtid.
Isku soo wada duuboo, tuubooyinkayaga tolmada wareega ah ee la isku tolay waa xal lagu kalsoonaan karo oo hufan oo loogu talagalay codsiyo kala duwan. Iyada oo loo marayo hababka wax soo saarka ee casriga ah iyo ballanqaadka heer sare, waxaan noqonay alaab-qeybiye lagu kalsoon yahay warshadaha. Hadday tahay inaad raadineyso xoog, kala duwanaansho ama iska caabin daxalka, tuubooyinkayaga tolmada wareega ah ayaa ah doorashada ugu habboon. Dooro Cangzhou Spiral Steel Pipes Group Co., Ltd. dhammaan baahiyahaaga tuubooyinka birta ah.







