Dhuumaha Ballaca Weyn ee Birta ah ee Tuubalka ah
Tuubooyinka birta ah ee la saaraywaxaa lagu sameeyaa iyadoo la adeegsanayo agab tayo sare leh iyo tiknoolajiyad casri ah, taasoo ka dhigaysa kuwo aad loogu kalsoonaan karo mashruuc kasta oo dhisme ah. Tuubooyinkan waxaa si caadi ah loogu isticmaalaa sanduuqyada kaydka ah naqshadooda dhismaha ee xoogganna waxay hubisaa badbaadada iyo xasilloonida looga baahan yahay aasaaska iyo shaqooyinka kale ee kaabayaasha dhaqaalaha.
| Heerka Caadiga ah | Heerka Birta | Waxyaabaha Kiimikada ah (%) | Hantida Tijaabada ah | Charpy (V darajo) Tijaabada Saamaynta | ||||||||||
| c | Mn | p | s | Si | Kale | Xoogga Wax Soo Saarka (Mpa) | Xoogga Tijaabada (Mpa) | (L0=5.65 √ S0 )Daqiiqo Heerka Fidinta (%) | ||||||
| ugu badan | ugu badan | ugu badan | ugu badan | ugu badan | daq | ugu badan | daq | ugu badan | 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 |
Ikhtiyaar ah ku darista mid ka mid ah curiyayaasha Nb\V\Ti ama isku-darka kasta oo iyaga ka mid ah | 175 | 310 | 27 | Hal ama laba ka mid ah tusmada adkaanta Tamarta saamaynta iyo aagga jarista ayaa la dooran karaa. 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 | Birta heerka B, Nb+V ≤ 0.03%; birta ≥ heerka B, ku darista ikhtiyaariga ah Nb ama V ama iyaga isku darka, iyo Nb+V+Ti ≤ 0.15% | 172 | 310 | (L0 = 50.8mm) inay noqoto lagu xisaabiyay qaacidada soo socota: e=1944·A0 .2/U0 .0 A: Bedka muunadda ee mm2 U: Xoogga ugu yar ee la cayimay ee Mpa | Midna ama midna ama labadaba saameynta tamar iyo xiirashada aagga ayaa looga baahan yahay shuruud adag. | ||||
| 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 | ||||||||
Annagatuubo dhexroor weyn oo la alxanswaa laf-dhabarta tuubbooyinka birta ah, taasoo kor u qaadaysa isku hallayntooda iyo waxqabadkooda. Iyada oo loo marayo hababka alxanka iyo xakamaynta tayada ee taxaddar leh, waxaan hubineynaa in tuulmo kastaa ay buuxiso heerarka ugu sarreeya ee warshadaha. Tuubooyinkani waxay bixiyaan dabacsanaan iyo cimri dherer heer sare ah, taasoo u oggolaanaysa tuulmooyinka tuubooyinka birta inay u adkeystaan xaaladaha daran iyo jawiga adag.
Annagoo ah soo-saare hormuud ka ah warshadaha, Cangzhou Spiral Steel Pipes Group Co., Ltd. waxay leedahay xarumo casri ah oo daboolaya dhul ka badan 350,000 mitir oo laba jibbaaran. Iyada oo leh qiimo hanti ah oo gaaraya 680 milyan oo yuan, waxaan maalgelinnaa tignoolajiyada casriga ah iyo qalabka si loo hubiyo wax soo saarka tayada ugu sareysa. Intaa waxaa dheer, shaqaalaheenna heeganka ah oo ka kooban 680 shaqaale ah ayaa hubiya in badeecad kasta ay marto hubin tayo adag ka hor inta aysan gaarin gacmaha macaamiisheenna qiimaha leh.
Warshadeennu waxay soo saartaa 400,000 oo tan oo tuubooyin bir ah oo wareegsan ah sannadkii, qiimaha wax soo saarkuna waa 1.8 bilyan oo yuan. Tani waxay muujinaysaa sida ay nooga go'an tahay bixinta adeegga heer sare ah iyo daboolida baahiyaha macaamiisheenna qiimaha leh ee gudaha iyo adduunka oo dhan.
Tuubooyinka birta ah ee la saarayMarka lagu daro tuubooyinkayaga dhexroorka weyn ee la alxamay waxay bixiyaan kala duwanaansho aad u fiican, taasoo ka dhigaysa kuwo ku habboon codsiyo kala duwan. Marka laga soo tago sanduuqyada, tuulmooyinkayaga waxaa si weyn loogu isticmaalaa dhismaha buundooyinka, kaabayaasha dekedaha iyo mashaariicda kale ee badda. Naqshadda gaarka ah ee qaloocan ama wareegsan ee tuulmooyinkan waxay hubinaysaa ilaalinta biyaha iyo carrada ugu wanaagsan iyadoo bixinaysa qaab dhismeed adag.
Ka go'naanta shirkaddayada ee tayada, xirfadda iyo qanacsanaanta macaamiisha ayaa naga dhigaysa inaan si joogto ah u horumarinno hababka wax soo saarka iyo horumarinta xalal cusub. Waxaan u hoggaansannahay heerarka xakamaynta tayada ee adag si loo hubiyo in alaabtayadu ay yihiin kuwa ugu tayada sarreeya oo ay buuxiyaan ama ka sarreeyaan filashooyinkaaga.
Marka la soo koobo,tuulmooyin bir ah oo tuubo ahwaxay kacaan ku samaynayaan warshadaha dhismaha iyagoo adeegsanaya xoogga iyo cimri dhererka tuubooyinkayaga dhexroorka weyn ee laalaada. Iyagoo leh awood ay ugu adkeysan karaan xaaladaha adag iyo isticmaalkooda gaarka ah ee sanduuqyada kaydka, tuulmooyinkani waxay bixiyaan ilaalin iyo taageero aan la barbar dhigi karin. La shaqee Cangzhou Spiral Steel Pipes Group Co., Ltd. si aad u hesho alaab tayo sare leh oo kor u qaada mashaariicdaada oo bixisa xalal waara.








