Ni gbogbogbo, API 5L tọka si paipu laini API 5L, eyiti o wa ni ilẹ ti epo, gaasi, omi, ti a gbe nipasẹ opo gigun ti epo si awọn ile-iṣẹ ile-iṣẹ gaasi ati epo.

ni ibamu si awọn manufacture ilana ati awọn tube Bloom lo orisirisi awọn nitobi, api 5l le ti wa ni pin si api 5l seamless irin pipe ati api welded, irin pipe, laarin awọn lilo opoiye ti welded irin pipe jẹ diẹ sii ju seamless irin pipe.

Laini paipu ite ati kemikali irinše

API 5L le pin si API 5L PSL 1 ati API 5L PSL 2, pẹlu API 5L PSL 1 ipele ati awọn ẹka jẹ: A, B, x42, x46, x52, x56, x60, x65, x70, API 5L PSL 2 ipele ati ẹka jẹ B, x42, x46, x52, x56, x60, x65, xx70, x80.ipele ti o ga julọ awọn ohun-ini ẹrọ ti o lagbara.

Ohun elo: ti a lo fun ile-iṣẹ epo ati gaasi, gaasi, omi, gbigbe epo.

API 5L PSL 1 Kemikali tiwqn ati darí-ini

Ipele irin C(max) Mn(max) P(max) S(max) Agbara fifẹ Agbara Ipese

B 0.28 1.20 0.030 0.030 414 241

X42 0.28 1.30 0.030 0.030 414 290

X46 0.28 1.40 0.030 0.030 434 317

X52 0.28 1.40 0.030 0.030 455 359

X56 0.28 1.40 0.030 0.030 490 386

X60 0.28 1.40 0.030 0.030 517 414

X65 0.28 1.40 0.030 0.030 531 448

X70 0.28 1.40 0.030 0.030 565 483

API 5L PSL 2 Kemikali tiwqn ati darí-ini

Ipele irin C(max) Mn(max) P(max) S(max) Agbara fifẹ Agbara Ipese

B 0.24 1.20 0.025 0.015 414-758 241-758

X42 0.24 1.30 0.025 0.015 414-758 290-758

X46 0.24 1.40 0.025 0.015 434-758 317-758

X52 0.24 1.40 0.025 0.015 455-758 359-758

X56 0.24 1.40 0.025 0.015 490-758 386-758

X60 0.24 1.40 0.025 0.015 517-758 414-758

X65 0.24 1.40 0.025 0.015 531-758 448-758

X70 0.24 1.40 0.025 0.015 565-758 483-758

API SPEC 5L Line Pipe

API SPEC 5L ilana iṣelọpọ paipu laini ti pin si paipu irin alailẹgbẹ, paipu irin ERW, paipu arc welded submerged.Ṣugbọn lilo akọkọ ti paipu irin alailẹgbẹ (Ailẹgbẹ), taara okun giga igbohunsafẹfẹ resistance alurinmorin irin pipe (Electric-Resistance Arc Welding, abbreviated as ERW), LSAW (Longigudinally Submerged Arc Welding short LSAW), ajija submerged aaki welded pipe (Spirally) Submerged Arc Welding, kukuru ti SSAW) mẹrin.

Paipu LSAW ti pin si UO (ọna ṣiṣe ti UOE), RB (RBE), JCO (JCOE) ati awọn iru miiran.Irin awo ni igbáti yoo wa ni e sinu kan U-sókè, ati ki o si e sinu O-, ati ki o si inu ati ita submerged aaki alurinmorin, lẹhin alurinmorin, maa ni opin ti awọn kikun ipari ti awọn expander (Expanding) ti a npe ni. UOE welded paipu, ko faagun mọ bi awọn UO paipu.Titẹ irin awo eerun atunse (Roll atunse), ati ki o si inu ati ita submerged aaki alurinmorin, lẹhin alurinmorin, jù RBE paipu, tabi ko jù RB paipu.Awo awo ni ibamu si awọn iru JOC-ibere faagun JCOE paipu tabi ko faagun JCO paipu lẹhin alurinmorin.Awọn paipu LSAW loke, lilo ti o wọpọ ti UOE.Awọn giga igbohunsafẹfẹ resistance alurinmorin tube ERW tube oyun nipasẹ awọn ara ipa ati isunmọtosi ipa ni ga-igbohunsafẹfẹ lọwọlọwọ si eti ti awọn yo, ati ki o si fun pọ rollers labẹ titẹ alurinmorin, eyi ti o ti wa ni characterized nipasẹ ko si ita kikun irin, ooru fowo agbegbe, ga gbóògì ṣiṣe.Ajija pelu paipu awọn SSAW fun gun-ijinna paipu ni o ni kan gun itan, opo ni China ti wa ni o kun lo.