Ngokubanzi, i-API 5L ibhekisa kumbhobho womgca we-API 5L, ongaphandle komhlaba i-oyile, irhasi, amanzi, ethuthwa ngombhobho ukuya kwiinkampani ze-oyile kunye negesi yeshishini.

ngokwenkqubo yokwenziwa kunye netyhubhu etyatyambileyo esetyenziswa kwiimilo ezahlukeneyo, i-api 5l inokwahlulwa ibe yi-api 5l yombhobho wentsimbi engenamthungo kunye nombhobho wentsimbi odityanisiweyo we-api, phakathi kokusetyenziswa kombhobho wentsimbi odityanisiweyo ungaphezulu kombhobho wentsimbi ongenamthungo.

Ibakala lombhobho womgca kunye namacandelo ekhemikhali

I-API 5L inokwahlulwa ibe yi-API 5L PSL 1 kunye ne-API 5L PSL 2, kuquka i-API 5L PSL 1 inqanaba kunye neendidi zezi: A, B, x42, x46, x52, x56, x60, x65, x70, API 5L PSL 2 level kunye nodidi B, x42, x46, x52, x56, x60, x65, xx70, x80.inqanaba eliphezulu lolona phawu lunamandla lomatshini.

Isicelo: isetyenziselwa i-oyile kunye ne-gas industry, igesi, amanzi, ukuthutha ioli.

I-API 5L PSL 1 Ukuqulunqwa kweekhemikhali kunye neempawu zomatshini

Steel grade C(max) Mn(max) P(max) S(max) Amandla okutenhla Amandla okukhula

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

I-API 5L PSL 2 Ukuqulunqwa kweekhemikhali kunye neempawu zomatshini

Steel grade C(max) Mn(max) P(max) S(max) Amandla okutenhla Amandla okukhula

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 Umbhobho

I-API SPEC 5L inkqubo yokuvelisa umbhobho womgca wahlulwe kumbhobho wentsimbi ongenamthungo, umbhobho wensimbi we-ERW, umbhobho odityanisiweyo we-arc.Kodwa olona setyenziso luphambili lombhobho wentsimbi engenamthungo (i-Seamless), umthungo othe tye, umthungo othe tye, ukuwelda umbhobho wentsimbi (Electric-Resistance Arc Welding, ishunqulelwe njenge ERW), LSAW (Longigudinally Submerged Arc Welding short LSAW), spiral submerged arc welded pipe (Spirally). I-Sumerged Arc Welding, emfutshane ye-SSAW) ezine.

Umbhobho we-LSAW wahlulwe kwi-UO (indlela yokwenza i-UOE), i-RB (RBE), i-JCO (JCOE) kunye nezinye iintlobo.Ipleyiti Steel ekubumbeni wayeza kucinezelwa ibe U-ezimilise, kwaye ke icinezelwe kwi-O-, kwaye ke ngaphakathi nangaphandle entywiliselwe arc welding, emva ukuwelda, ngokuqhelekileyo ekupheleni kobude obupheleleyo sokwandisa (Ukwandisa) ebizwa ngokuba Umbhobho odityanisiweyo we-UOE, ongandiyo owaziwa ngokuba ngumbhobho we-UO.Uxinzelelo ipleyiti ipleyiti roll ukugoba (Roll Ukugoba), kwaye ke ngaphakathi nangaphandle entywiliselwe arc welding, emva ukuwelda, ukwandisa umbhobho RBE, okanye ukungandisi umbhobho RB.Ipleyiti yokubumba ngokohlobo lwe-JOC-odolo yokwandisa umbhobho we-JCOE okanye ukungandisi umbhobho we-JCO emva kwe-welding.Imibhobho ye-LSAW ngasentla, ukusetyenziswa kwe-UOE eqhelekileyo.I-high frequency resistance welding tube ERW tube embryo ngokusebenzisa impembelelo yolusu kunye nefuthe lokusondela kwi-high-frequency yangoku ukuya kumda wokunyibilika, kwaye emva koko ucinezele ii-rollers phantsi koxinzelelo lwe-welding, ebonakaliswe ngaphandle kwentsimbi yokuzalisa yangaphandle, indawo echaphazelekayo yokushisa, ephezulu. ukusebenza kakuhle kwemveliso.Umbhobho we-Spiral umthungo we-SSAW wombhobho womgama omde unembali ende, umbhobho e-China usetyenziswa kakhulu.