Awọn anfani ti A252 Ipele 3 Awọn paipu Irin Ti a lo ninu Ikọlẹ ati Ikọle Pipeline Epo

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A252 ite 3 paipu irin, tun mo biajija submerged aaki paipu, jẹ yiyan ti o gbajumọ fun idalẹnu omi ati ikole opo gigun ti epo.Awọn paipu wọnyi jẹ apẹrẹ lati koju awọn ipo to gaju ati pese awọn anfani lọpọlọpọ ninu awọn ohun elo wọnyi.

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Ọkan ninu awọn bọtini anfani tiA252 ite 3 irin paipu jẹ agbara iyasọtọ rẹ ati agbara.Awọn paipu wọnyi jẹ irin ti o ga julọ ati pe o lera pupọ si ipata, wọ ati ipa.Eyi jẹ ki wọn jẹ apẹrẹ fun lilo ninu awọn paipu idọti nibiti wọn le farahan si awọn nkan ibajẹ ati awọn ẹru wuwo.Ni afikun, agbara ati agbara wọn jẹ ki wọn dara fun lilo ninu ikole opo gigun ti epo, nitori wọn gbọdọ koju awọn igara giga ati awọn ipo ayika iyipada.

Standard	Irin ite	Awọn eroja Kemikali (%)						Ohun-ini fifẹ						Charpy(V ogbontarigi) Idanwo Ipa
		c	Mn	p	s	Si	Omiiran	Agbara Ikore(Mpa)		Agbara fifẹ(Mpa)		(L0=5.65 √ S0) Oṣuwọn Nara iṣẹju (%)
		o pọju	o pọju	o pọju	o pọju	o pọju	Omiiran	min	o pọju	min	o pọju	D ≤ 168.33mm	D ： 168.3mm
GB/T3091 -2008	Q215A	≤ 0.15	0.25 \| 1.20	0.045	0.050	0.35	Fifi NbVTi ni ibamu pẹlu 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- Ọdun 2011 (PSL1)	L175	0.21	0.60	0.030	0.030		Iyan fifi ọkan ninu awọn eroja NbVTi tabi eyikeyi akojọpọ wọn	175		310		27		Ọkan tabi meji ti toughness atọka agbara ipa ati agbegbe irẹrun le yan.Fun L555, wo boṣewa.
	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		Fun irin ipele B, Nb+V ≤ 0.03%; fun irin ≥ ite B, iyan fifi Nb tabi V tabi wọn apapo, ati Nb+V+Ti ≤ 0.15%	172		310		(L0=50.8mm) lati jẹ ṣe iṣiro ni ibamu si agbekalẹ wọnyi: e=1944·A0 .2/U0 .0 A: Agbegbe ti apẹẹrẹ ni mm2 U: Agbara fifẹ to kere ju ni Mpa		Ko si tabi eyikeyi tabi mejeeji ti ikolu agbara ati irẹrun naa agbegbe ti wa ni ti beere bi toughness ami.
	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

Anfani miiran ti paipu irin 3 Ite A252 jẹ iyipada rẹ.Awọn paipu wọnyi wa ni ọpọlọpọ awọn titobi ati awọn sisanra, ṣiṣe wọn dara fun awọn ohun elo pupọ.Boya Ilé kan kekerekoto ilatabi laini paipu epo nla kan, A252 Grade 3 paipu irin le ni irọrun ti adani lati pade awọn ibeere iṣẹ akanṣe.Ni afikun, awọn paipu wọnyi le ṣee ṣe sinuṣofo-apakan igbekale pipes, siwaju sii faagun lilo wọn ni awọn iṣẹ ikole.

Ni afikun si agbara ati iyipada rẹ, A252 Grade 3 paipu irin ni a tun mọ fun ṣiṣe-iye owo.Awọn paipu wọnyi jẹ irọrun rọrun lati fi sori ẹrọ ati nilo itọju kekere, idinku awọn idiyele iṣẹ akanṣe lapapọ.Ni afikun, igbesi aye iṣẹ gigun wọn ati resistance ipata rii daju pe wọn pese ipadabọ to lagbara lori idoko-owo fun koto atiepo paipu ilaikole ise agbese.

Anfani pataki miiran ti paipu irin 3 Ite A252 jẹ ibamu pẹlu ọpọlọpọ awọn ọna ikole.Awọn paipu wọnyi le wa ni fi sori ẹrọ ni lilo awọn ọna iho ibile tabi awọn imuposi trenchless gẹgẹbi liluho itọnisọna petele, jacking pipe tabi kekere-tunneling.Irọrun yii ngbanilaaye fun fifi sori ẹrọ daradara ati iye owo ni ọpọlọpọ awọn agbegbe ti o nija, pẹlu awọn agbegbe ilu, awọn ọna omi ati awọn agbegbe ifura ayika.

Lapapọ, paipu irin A252 Grade 3 nfunni ni ọpọlọpọ awọn anfani fun koto ati ikole opo gigun ti epo.Agbara wọn, agbara, iṣipopada ati ṣiṣe iye owo jẹ ki wọn jẹ apẹrẹ fun awọn ohun elo eletan wọnyi.Boya lilo ninu koto tabi epo ikole opo gigun ti epo, wọnyi oniho pese gbẹkẹle iṣẹ ati ki o gun-igba iye.Bii abajade, wọn wa ojutu yiyan fun awọn onimọ-ẹrọ ati awọn alagbaṣe ti n wa awọn solusan fifin ti o tọ ati igbẹkẹle.

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