Dhexroor ballaaran oo gogol dhaaf ah tuubbooyinka tuubooyinka tuubbada tuubbada
Tuubbada birtaWaxaa la soo saaray iyadoo la adeegsanayo agabyada tayada ugu sareeya iyo tikniyoolajiyadda horumarsan, iyaga oo ka dhigaya mid aad u sarreeya oo lagu kalsoonaan karo mashruuc dhisme ah. Tisjeedahan waxaa badanaa loo adeegsadaa coffrgams iyo qaab dhismeedkooda adag waxay xaqiijineysaa badbaadada iyo xasilloonida looga baahan yahay aasaaska iyo howlaha kaabayaasha kale.
Caadi ah | Fasalka birta | Kuwa kiimikada (%) | Hantida Tsile | Dmo (V notch) Imtixaanka Saamaynta | ||||||||||
c | Mn | p | s | Si | Kale | Xoog wax soo saar (MPA) | Awooda TSensile (MPA) | (L0 = 5.65 √ S-10) Ming fiditaan (%) | ||||||
dixiri | dixiri | dixiri | dixiri | dixiri | min | dixiri | min | dixiri | 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 iyadoo la raacayo 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- Ka mid noqoshada 2011-ka (Psl1) | L175 | 0.21 | 0.60 | 0.030 | 0.030 |
Ikhtiyaar ah oo ku daraya mid ka mid ah walxaha nb \ v \ timit ama wax kasta oo ka mid ah | 175 | 310 | 27 | Hal ama laba ka mid ah addhex-da adag Saamaynta saameynta tamarta iyo ilkaha aagga waa la doortaa. Loogu tala-galay L555, fiiri heerka caadiga ah. | ||||
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 | Loogu talagalay birta fasalka B, NB + V ≤ 0.03%; loogu talagalay birta ≥ ≥ fasalka b, ikhtiyaariga ah oo lagu daro nb ama v ama isku darka, iyo nb + v + ti ≤ 015% | 172 | 310 | (L0 = 50.8mm) inuu noqdo loo xisaabiyo iyadoo loo eegayo qaaciddada soo socota: e = 1944 · A0 .2 / U0 .0 A: Aagga muunad ah ee MM2 U: xoogga yar ee la cayimay ee MPA | Midna ama wax ama labadaba Saamaynta Tamarta iyo xiirashada Aagga ayaa loo baahan yahay si uu u eg yahay shuruuda 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 |
-Eenadhexroor ballaaran oo tuubbooyin ahsWaa laf dhabarta laf-dhabarka tuubbada tuubbada birta, kor u qaadida ku tiirsanaanta iyo waxqabadka. Iyada oo loo marayo alxamida sicirka iyo habraaca kontaroolada tayada, waxaan hubinaynaa in pole kasta uu la kulmo heerarka ugu sareysa ee warshadaha. Tuubooyinkan waxay bixiyaan dabacsanaan gaar ah iyo cimri dherer, oo u oggolaanaya tuubbada birta si ay uga hortagaan xaaladaha daran iyo deegaannada adag.
Iyada oo ah soo saaraha hogaaminta warshadaha, Cangzhou spipes Group Compeas Group Co., Ltd. Waxay leedahay tas-hiilaad farshaxan oo dowladeed oo daboolaya meel ka badan 350,000 mitir oo laba jibbaaran. Iyada oo leh qiimaha hantida ilaa 680 milyan yuan, waxaan ku maalgalinaa tikniyoolajiyadda goynta iyo aaladda si aan u hubinno wax soo saarka tayada ugu sarreeya. Intaa waxaa sii dheer, shaqaalaheena nadaafadeed ee 680 shaqaale ah ayaa xaqiijinaya in badeecadu kasto ay maraan jeegag tayo leh oo adag ka hor inta aysan gaarin gacmaha macaamiishayada qiimaha leh.

Warshaddayadu waxay leedahay wax soo saar sanadle ah oo ah 400,000 tan oo ah tuubooyin bir bir ah oo wareega ah iyo qiimaha wax soo saarka ee 1.8 bilyan yuan. Milanenkan ayaa muujinaya sida ay nooga go'antahay gaarsiinta heerka sare ee loo yaqaan 'Services' oo aan la kulanno baahiyaha macaamiisha qiimeeya ee maxalliga ah iyo adduunka.
Tuubbada birtaIsku darka dhexroorkeena ballaadhan ee gogoldhaca weerarka ayaa bixiya awood aad u wanaagsan, taasoo ka dhigeysa inay ku habboon yihiin codsiyo fara badan. Ka sokow coffrafdams, gogoshayadayada waxaa si weyn loogu isticmaalaa buundada buundada, kaabayaasha dekeda iyo mashaariicda kale ee badda. Naqshadaynta gaarka ah ee loo yaqaan 'qalooca qalooca' ama wareegsan ee korantadani waxay xaqiijineysaa biyo aan fiicnayn iyo haynta ciidda iyadoo la siinayo qaab dhismeed xoog leh.
Balanqaadka shirkada ee tayada, xirfadda iyo qanacsanaanta macaamiisha ayaa naga kiciya inaan si joogto ah u hagaajino hanaankeena wax soo saarka oo aan horumarinno xalka hal-abuurka ah. Waxaan u hoggaansanaanaa heerar xakameyn tayo leh oo aan ku hubinno in badeecadeena ay yihiin tayada ugu sarreysa ayna la kulmaan ama ka bata waxyaabaha aad ka fileyso.
Marka la soo koobo,tuubooyinka tuubbada tuubbadaWaxay kacaan kacaanka dhismaha iyada oo wata xoogga iyo cimri-galka dhexroorkeena ay ku dhegan yihiin tuubbada. Iyadoo awooddooda looga hor tago xaaladaha adag iyo adeegsigooda gaarka ah ee Cofframs, xaraashkani waxay bixiyaan ilaalin iyo taageero aan kala sooc lahayn. Wada-hawlgalayaasha lala yeesho Cangzhou Pipes Group Group Come Co., Ltd. Si loo helo badeecado tayo sare leh oo kor u qaadaya mashaariicdaada oo aad siiso xalal muddo dheer ah.