Ukushintsha kuhluke kwezinyathelo zokugcina amaphayile, kodwa ukukhetha amathathu angakwenza ukubonisa amafuthi. Amaphayile e-API 5L nge-PSL2 certification ayibuyisela ngempumelelo yokungabhedliseka emfene we-sour gas, ngakho esona amakhando e-galvanized akhishelanga amaphayile we-water phakathi kwemphethe. I-carbon steel, ngokulungile kwi-budjeti, kufanele kube lula ukuthiwe amanqaku ekusetyenziswa ngokupheleleyo phakathi kwe-amasi okanye umsizi. Lolu hlobo lokuhlola kulandelayo icompare i-anti-corrosion iproperites yama-ERW, seamless, kunye ncasing pipes phakathi kwezindawo ezikahlukeneyo njengamaphayile we-offshore rigs, amaphantsi we-wastewater plants, okanye amasifundo ezi-coastal. Funda nangaphi ukusetshenziswa kokuba amakhando, cathodic protection, okanye ukusetha kwe-alloys ukuze usenze umsebenzi wokugcino, usuze nokunciphisa ukusebenza, kunye nokuhlola neziphumo ezisethweni zokuthuthukisa phakathi kwezindawo ezidingekayo.