API 5L ka kakaretso e bua ka phala ea line-API 5L, phala ea mohala ke ho tsamaisa oli, mouoane le metsi a tsoang fatše ho ea likhoebong tsa indasteri ea oli le khase ka phala ea mohala.Pipe ea mohala e kenyelletsa phala e se nang seam le phala ea tšepe e cheselitsoeng.Lipheletso li na le lipheletso tse bataletseng, lipheletsong tse khoele le lipheletsong tsa socket;mekhoa ea ho hokahanya ke welding, coupling connection, socket connection, joalo-joalo.
| PSL | Boemo ba Phano | Phaephe ea boemo |
| PSL1 | Ha e ntse e phuthoa, e tloaelehile, e tloaelehileng e thehoa | A |
| Ha e ntse e phuthoa, e tloaeleha e phuthoa, e thermomechanical rolled, thermo-mechanical thermo, normalizing e entsoeng, e tloaelehileng, e tloaelehileng le e halefileng kapa haeba ho lumellane Q&T SMLS feela. | B | |
| Ha e ntse e phuthoa, e tloaelehile e phuthoa, thermomechanical rolled, thermo-mechanical thehoa, normalizing thehoa, normalized, normalized and tempered | X42, X46, X52, X56, X60, X65, X70 | |
| PSL 2 | Joalo ka ha e phuthiloe | BR, X42R |
| Normalizing rolled, normalizing thehoa, normalized kapa normalized and tempered | BN, X42N, X46N, X52N, X56N, X60N | |
| E khutsitsoe ebile e halefile | BQ, X42Q, X46Q, X56Q, X60Q, X65Q, X70Q, X80Q, X90Q, X100Q | |
| Thermomechanical rolled kapa thermomechanical thehoa | BM, X42M, X46M, X56M, X60M, X65M, X70M, X80M | |
| Thermomechanical e phutholohile | X90M, X100M, X120M | |
| Ho lekana (R, N, Q kapa M) bakeng sa limaraka tsa PSL2, ke tsa sehlopha sa tšepe |
1. Mokhoa o ka sehloohong oa tlhahiso ea phala ea tšepe e se nang seamless e chesang e chesang (ts'ebetso e kholo ea tlhahlobo):
Tlhophiso e se nang letho → ho futhumatsa e se nang letho → ho phunya → ho roala → ho futhumatsa tšepe → e tsitsitseng (e fokotsoe) bophara → pheko ea mocheso △ → ho otlolla ha tube e phethiloeng → ho qetela → tlhahlobo (e sa senyeheng, 'mele le lik'hemik'hale, tlhahlobo ea Taiwan)→ polokelo ea thepa
2. Mokhoa o ka sehloohong oa tlhahiso ea liphaephe tsa tšepe tse kolobisitsoeng (tse huloang) tse batang:
Ho lokisoa ha billet → ho tlotsa ho tlotsa → ho phuthoa ho batang (setaelo) → pheko ea mocheso → ho otlolla → ho qetela → tlhahlobo
