Faa'iidooyinka A252 Fasalka 3 Birta ah ee loo adeegsado Dhismaha bullaacadda bulaacadaha iyo batroolka
Mid ka mid ah faa'iidooyinka ugu muhiimsan eeA252 Fasalka 3 Steel Tib waa xoogga gaarka ah iyo cimri-galka. Tuubooyinkaani waxay ka samaysan yihiin bir tayo sare leh waxayna aad ugu adkaystaan saxaafadda, xirtaan iyo saameynta. Tani waxay ka dhigeysaa inay ku habboon yihiin isticmaalka tuubooyinka bullaacadaha halkaas oo laga yaabo inay ku dhacaan walxaha wasakhaysan iyo xamuul culus. Intaa waxaa sii dheer, xooggooda iyo cimrigoodu waxay ka dhigayaan mid ku habboon inay u isticmaalaan dhismaha dhuumaha saliida, maaddaama ay tahay inay u adkeystaan cadaadisyada sareeya isla markaana is beddelaan xaaladaha deegaanka.
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 NBVTI 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- Ka mid noqoshada 2011-ka (Psl1) | L175 | 0.21 | 0.60 | 0.030 | 0.030 |
Ikhtiyaar ku dar mid ka mid ah walxaha NBVTI 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 |
Faa'iido kale oo ah A252 Fasalka 3 Birta Steel waa mid ka mid ah istaraaqa. Tuubooyinkan waxaa lagu heli karaa cabirro kala duwan iyo dhumucyo, iyaga oo ka dhigaya kuwo ku habboon codsiyada kala duwan. Haddii dhisme yardariiq bularti daranAma khadka tuubbada bacda saliidda weyn, A252 Fasalka 3 Birta Steel waxaa lagu habeyn karaa si loo buuxiyo shuruudaha mashruuca gaarka ah. Intaa waxaa sii dheer, tuubooyinkan waxaa lagu sameyn karaaHollow-Qaybta Dhismooyinka, waxay sii ballaarineysaa isticmaalkooda mashaariicda dhismaha.
Ka sokow xooggiisa iyo kartideeda, A252 fasalka 3 Birta ah ayaa sidoo kale caan ku ah wax-qabadkeeda. Tuubooyinkaani waa kuwo fudud oo lagu rakibo oo u baahan dayactir yar, yareynta guud ahaan kharashka mashruuca. Intaa waxaa sii dheer, noloshooda hore iyo iska caabbinta dhiigga ayaa hubiya inay bixiyaan soo laabasho adag oo ku saabsan maalgashiga bullaacadda iyotuubada saliida xariiqMashaariicda dhismaha.

Faa'iido kale oo muhiim ah oo ah fasalka 352 Fasalka 3 Birta waa is-waafajinta habab kala duwan oo dhisme ah. Tuubooyinkan waxaa lagu rakibi karaa iyada oo loo adeegsanayo habab qodirool ah ama farsamooyin aan la taaban karin sida qoditaanka jihada jihada toosan, tuubbada tuubbooyinka ama tunno-yar. Dabacsanaantaan ayaa u oggolaanaya rakibaadda wax ku oolka ah ee wax ku oolka ah ee jawi adag oo kaladuwan, oo ay ku jiraan meelaha magaalooyinka ah, biyo-mareenka iyo meelaha deegaanka xasaasiga ah.
Guud ahaan, A252 Fasalka 3 Steel Pipe wuxuu bixiyaa faa iidooyin kala duwan oo ah dhisidda bullaacadda bulaacadaha iyo batroolka. Awoodahooda, cimrigooda, tabarrucadooda iyo kharashka waxtarka ayaa ku habboon iyaga codsiyadan dalbaday. Haddii loo adeegsaday dhismaha bulaacadaha ama dhismaha dhuumaha saliida, tuubooyinkani waxay bixiyaan waxqabadyo la isku halleyn karo iyo qiime muddada dheer ah. Sidaas darteed, waxay ku sii jiraan xalka xulashada injineerrada iyo qandaraasleyaasha raadinaya xalka tuubooyinka waarta iyo kuwa lagu kalsoonaan karo.