Ṣiṣẹ taara nipasẹ awọn oluṣelọpọ paipu irin ajija fun awọn aaye ikole
Awọn iṣedede ti o wọpọ ti paipu irin ajija ni gbogbo igba pin si: SY / t5037-2008 (boṣewa minisita, ti a tun mọ ni pipe ti o wa ni erupẹ arc welded irin pipe fun opo gigun ti omi gbigbe lasan), GB / t9711.1-2008 (boṣewa orilẹ-ede, tun mọ bi awọn ipo ifijiṣẹ imọ ẹrọ ti gbigbe irin pipe fun ile-iṣẹ epo ati gaasi, apakan I: kilasi paipu irin kan (GB / t9711.2 kilasi B irin pipe pẹlu awọn ibeere to muna)), api-5l (Association Petroleum America, ti a tun mọ ni irin pipeline pipe); Pẹlu PSL1 ati PSL2), SY / t5040-2008 (irin paipu welded ajija fun opoplopo).
SY / t5037-2008 jẹ boṣewa ti a ṣeto nipasẹ Ile-iṣẹ ti Epo ilẹ, eyiti a pe ni boṣewa ile-iṣẹ gbogbogbo.
GB / t9711.1-2008 paipu ajija ti orilẹ-ede, irin gbigbe irin paipu fun epo epo ati ile-iṣẹ gaasi adayeba, kilasi A.
Ajija pelu ga-igbohunsafẹfẹ welded, irin pipe (sy5039-2000) fun gbogboogbo kekere-titẹ gbigbe omi gba to gbona-yiyi irin okun okun okun bi òfo paipu, nigbagbogbo gbona ajija lara, ati ki o nlo ga-igbohunsafẹfẹ ipele alurinmorin ọna lati weld ajija pelu ga- igbohunsafẹfẹ welded irin pipe fun gbogboogbo kekere-titẹ gbigbe ito.
Ajija welded, irin pipe fun opoplopo (sy5040-2000) ti wa ni ṣe ti gbona-yiyi irin rinhoho okun bi paipu òfo, igba gbona ajija lara, ni ilopo-apa submerged aaki alurinmorin tabi ga-igbohunsafẹfẹ alurinmorin. O ti wa ni lo fun irin paipu fun ipile opoplopo ti ilu ile be, wharf, Afara ati be be lo. Fun gbigbe ti ito titẹ, ajija submerged arc welded, irin pipe sy5036-2000 ti lo, eyiti o jẹ lilo fun awọn opo gigun ti epo ati gaasi adayeba;
Ajija okun ga-igbohunsafẹfẹ welded irin pipe sy5038-2000 fun titẹ ito gbigbe, eyi ti o ti welded nipa ga-igbohunsafẹfẹ ipele alurinmorin ati ki o lo fun titẹ ito gbigbe. Paipu irin naa ni agbara gbigbe titẹ agbara ati ṣiṣu ti o dara, eyiti o rọrun fun alurinmorin ati sisẹ;
Fun gbigbe ito titẹ kekere gbogbogbo, ajija seams submerged arc welded, steel pipe sy5037-2000 ti wa ni lilo, ati aaki welded paipu irin fun gbigbe omi titẹ kekere gbogbogbo gẹgẹbi omi, gaasi, afẹfẹ ati nya si ni a ṣe nipasẹ aifọwọyi-apa meji. submerged aaki alurinmorin tabi nikan-apa alurinmorin.
Ohun elo: Q235A, Q235B, 10#, 20#, Q345 (16Mn)
L245 (B), L290 (X42), L320 (X46), L360 (X52), L390 (X56), L415 (X60), L450 (X65), L485 (X70), L555 (X80)
L290NB/MB (X42N/M), L360NB/MB (X52N/M), L390NB/MB(X56N/M), L415NB/MB(X60N/M), L450MB(X65), L485MB(X70), L555MB(X80) .
