API 5L gbogbogbo tọka si boṣewa imuse fun awọn paipu irin opo gigun ti epo, eyiti o pẹlu awọn ẹka akọkọ meji:irin onihoatiwelded irin oniho. Lọwọlọwọ, awọn iru paipu irin welded ti o wọpọ ni awọn opo gigun ti epo jẹajija submerged aaki welded oniho(PiPI SSAW),gigun submerged aaki welded oniho(LSAW PIPE), atiina resistance welded oniho(ERW). Awọn paipu irin alailabawọn ni a yan nigbagbogbo nigbati iwọn ila opin opo gigun ti o kere ju 152mm.
Boṣewa GB/T 9711-2011 ti orilẹ-ede, Awọn Pipes Irin fun Awọn ọna Gbigbe Pipeline ni Awọn ile-iṣẹ Epo ati Awọn ile-iṣẹ Gaasi Adayeba, ni idagbasoke da lori API 5L.
GB/T 9711-2011 ṣe alaye awọn ibeere iṣelọpọ fun awọn ọpa oniho irin ti ko ni idọti ati welded ti a lo ninu epo ati awọn ọna gbigbe opo gigun ti epo gaasi, ti o bo awọn ipele sipesifikesonu ọja meji (PSL1 ati PSL2). Nitorinaa, boṣewa yii kan nikan si awọn paipu irin alailẹgbẹ ati welded fun gbigbe epo ati gaasi ati pe ko kan si awọn paipu irin simẹnti.
Irin onipò
Awọn paipu irin API 5L lo ọpọlọpọ awọn onipò ohun elo aise pẹlu GR.B, X42, X46, X52, X56, X60, X70, X80, ati awọn miiran. Awọn irin paipu pẹlu awọn onipò X100 ati X120 ti ni idagbasoke bayi. Awọn onipò irin oriṣiriṣi fa awọn ibeere pato lori awọn ohun elo aise ati awọn ilana iṣelọpọ.
Awọn ipele Didara
Laarin boṣewa API 5L, didara irin pipeline jẹ tito lẹtọ bi PSL1 tabi PSL2. PSL duro fun Ipele Sipesifikesonu Ọja.
PSL1 pato awọn ibeere didara gbogbogbo fun irin opo gigun; PSL2 ṣafikun awọn ibeere dandan fun akojọpọ kemikali, lile ogbontarigi, awọn ohun-ini agbara, ati idanwo NDE afikun.
Akoko ifiweranṣẹ: Oṣu Kẹsan-01-2025
