Ajija Seam Pipes Fun Main Water Pipes
Ninu ikole amayederun, awọn ohun elo ti a lo ṣe ipa pataki ninu gigun ati iṣẹ ṣiṣe ti iṣẹ akanṣe naa.Ohun elo kan ti o ṣe pataki si ile-iṣẹ amayederun jẹ paipu welded ajija.Awọn paipu wọnyi ni a lo nigbagbogbo ni ọpọlọpọ awọn ohun elo bii awọn opo omi ati awọn paipu gaasi, ati awọn pato wọn, pẹlu welded ati awọn paipu oju omi ajija, ṣe pataki lati rii daju iṣẹ wọn.Ni yi bulọọgi, a yoo ya ohun ni-ijinle wo ni awọnajija welded paipu sipesifikesonuati awọn won pataki ninu awọn ikole ile ise.
Spiral pelu paipusti wa ni ti won ko nipa lilo a ọna ti a npe ni ajija alurinmorin ilana.Ilana naa pẹlu lilo awọn coils ti o gbigbona ti irin lati ṣe agbekalẹ sinu apẹrẹ iyipo ati lẹhinna weled lẹgbẹẹ okun oniyi.Abajade jẹ paipu pẹlu agbara giga ati agbara, ti o jẹ ki o dara fun ọpọlọpọ awọn ohun elo.Awọn paipu wọnyi lowelded tubeimọ-ẹrọ lakoko ikole, ni idaniloju pe wọn jẹ sooro si ọpọlọpọ awọn ifosiwewe ayika ati awọn igara, ṣiṣe wọn dara julọ fun lilo ipamo ati labẹ omi.
Awọn ohun-ini Ti ara akọkọ ati Kemikali ti Awọn paipu Irin (GB/T3091-2008, GB/T9711-2011 ati API Spec 5L) | ||||||||||||||
Standard | Irin ite | Awọn eroja Kemikali (%) | Ohun-ini fifẹ | Charpy(V notch) 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 | 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 Nb \ V \ Ti 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/T9711-2011(PSL1) | L175 | 0.21 | 0.60 | 0.030 | 0.030 | Iyan ṣafikun ọkan ninu awọn eroja Nb\VTi tabi eyikeyi akojọpọ wọn | 175 | 310 | 27 | Ọkan tabi meji ti itọka lile ti agbara ipa ati agbegbe irẹrun ni a 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 ite B irin, Nb + V ≤ 0.03%; fun irin ≥ ite B, iyan fifi Nb tabi V tabi apapo wọn, ati Nb + V + Ti ≤ 0.15% | 172 | 310 | (L0 = 50.8mm) lati ṣe iṣiro ni ibamu si agbekalẹ atẹle: e = 1944 · A0 .2/U0 .0 A: Agbegbe apẹẹrẹ ni mm2 U: Agbara fifẹ to kere julọ ni Mpa | Ko si ọkan tabi eyikeyi tabi mejeeji ti agbara ipa ati agbegbe irẹrun ni a nilo bi ami-iṣaro lile. | ||||
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 |
Nigbati o ba n ṣakiyesi awọn pato fun paipu oju omi ajija, o ṣe pataki lati dojukọ awọn ifosiwewe bọtini gẹgẹbi iwọn ila opin, sisanra ogiri ati ite ohun elo.Awọn iwọn ila opin ti paipu kan pinnu agbara rẹ lati gbe omi tabi gaasi, lakoko ti sisanra ogiri ṣe ipa pataki ninu iduroṣinṣin igbekalẹ ati resistance titẹ.Ni afikun, ipele ohun elo duro fun didara ati akopọ ti irin ti a lo ati pe o jẹ akiyesi pataki ni idaniloju gigun ati iṣẹ pipe ni ohun elo ti a fun.
Ni awọn ikole tiakọkọ omi pipes, ajija pelu paipu ni ọpọlọpọ awọn anfani.Agbara ifasilẹ giga wọn ati idena ipata jẹ ki wọn jẹ apẹrẹ fun gbigbe omi lori awọn ijinna pipẹ, lakoko ti irọrun wọn ngbanilaaye fun fifi sori ẹrọ rọrun ni ayika awọn idiwọ ati ni ilẹ nija.Ni afikun, lilo awọn paipu oju omi ajija ni awọn opo gigun ti gaasi adayeba ṣe idaniloju ailewu ati gbigbe gbigbe daradara ti gaasi adayeba, pese awọn orisun pataki fun ibugbe, iṣowo ati awọn apa ile-iṣẹ.
Ni ẹgbẹ amayederun, awọn pato paipu oju omi ajija ni iṣakoso nipasẹ awọn iṣedede ile-iṣẹ ati ilana lati rii daju didara ati iṣẹ wọn.Fun apẹẹrẹ, Ile-iṣẹ Epo ilẹ Amẹrika (API) ti ṣe agbekalẹ awọn iṣedede fun iṣelọpọ ati lilo paipu onijagidijagan ti o ṣe ilana awọn ibeere fun iwọn, agbara, ati awọn ilana idanwo.Ni afikun, Awujọ Amẹrika fun Idanwo ati Awọn ohun elo (ASTM) n pese akopọ ohun elo ati awọn pato ohun-ini ẹrọ fun awọn paipu oju omi ajija lati rii daju igbẹkẹle wọn siwaju ati ibamu pẹlu awọn iṣedede ile-iṣẹ.
Ni akojọpọ, sipesifikesonu paipu welded ajija ṣe pataki si ipa wọn ninu ikole amayederun.Boya lo fun omi mains tabigaasi ila, Awọn paipu wọnyi nfunni ni agbara ti ko ni afiwe, agbara ati iyipada, ti o jẹ ki wọn ṣe pataki ni agbaye ode oni.Nipa ifaramọ si awọn iṣedede ile-iṣẹ ati awọn ilana, lilo awọn ọpa oniho ajija n ṣe idaniloju aabo ati ṣiṣe ti awọn eto amayederun to ṣe pataki, fifin ọna fun idagbasoke alagbero ati ilọsiwaju awujọ.