Mohala oa tlhahiso ea lipeipi tsa tšepe tse kentsoeng hantle tse kentsoeng ka mokhoa o chesang o sebelisa mochini o tsoetseng pele oa Arccu-Roll ho hlahisa casing, tubing, phala ea ho cheka, liphaephe le liphaephe tsa mokelikeli, jj.
Pipe ea ho cheka e boima e kopantsoeng e entsoe ka AISI 4142H-4145H alloy structural steel.Mokhoa oa ho etsa lihlahisoa o etsa ka tieo litekanyetso tsa SY/T5146-2006 le API SPEC 7-1.
Lithapo tsa epoxy fiber tse matlafalitsoeng tsa polasetiki tsa HP le li-tubing tse tlase li hlahisoa ka tumellano e tiileng le litlhaloso tsa API.Sephetho sa selemo le selemo se fihla ho 2000km ka bolelele le bophara bo tlohang ho DN40 ho isa DN300mm.The epoxy FRP HP surface line e na le API e tloaelehileng ea likhoele tse pota-potileng ka thepa e kopantsoeng, eo ho hanyetsa ha eona ho eketsang bophelo ba ho sebetsa ha pipe.
Molala oa ho cheka o entsoe ka AISI 4145H kapa ho qeta ho roala tšepe ea sebopeho sa alloy, e sebetsitsoeng ho latela maemo a API SPEC 7.
Li-tubing le casing li hlahisoa ho latela litlhaloso tsa API.Mehala ea phekolo ea mocheso e phetheloa ka lisebelisoa tse tsoetseng pele le lisebelisoa tsa ho lemoha tse ka sebetsanang le casing ka bophara ba 5 1/2 ″ ho 13 3/8″ (φ114 ~ φ340mm) le li-tubing ho 2 3/8 ″ ho 4 1/2 ″ ( φ60 ~ φ114mm) bophara.