Tekanyetso ea phala ea ERWke tse latelang:
API 5L, ASTM A53 B, ASTM A178, ASTM A500/501, ASTM A691, ASTM A252, ASTM A672

API 5L Standard e ikemiselitse ho fana ka khase le metsi indastering ea oli le khase bakeng sa litšupiso, e sebelisetsoang phala ea tšepe e se nang moeli le phala ea tšepe e cheselitsoeng, ho kenyeletsoa boema-kepe le boema-kepe bo tloaelehileng, boema-kepe ba sokete ea liphaephe le li-tube tse otlolohileng (TFL) le kou e nang le sebaka se itseng. ts'ebetso ea tube ea khokahanyo.

Pipe ea ASTM A53 e etselitsoe lits'ebetso tsa mochini le khatello hape e amoheleha bakeng sa ts'ebeliso e tloaelehileng ea mouoane, metsi, khase le moea.

Litekanyetso tsa ASTM A178 bakeng sa li-tubes tse hananang le motlakase tse nang le botenya bo fokolang ba lebota tse entsoeng ka tšepe ea khabone le tšepe ea khabone-manganese tse tla sebelisoa ka har'a li-boiler tubes, liphaephe tsa boiler, flues ea superheater le lipheletsong tse bolokehileng.

ASTM A500 e koahela tšepe e entsoeng ka mokhoa o batang le e se nang seams ea tšepe e pota-potileng, e sekwere, e khutlonnetsepa kapa e khethehileng ea sebopeho bakeng sa kaho ea marokho le meaho e cheselitsoeng, e riveted, kapa e kentsoeng ka liboutu, le molemong oa meralo e akaretsang.

ASTM A691 e koahela carbon le alloy steel pipe, motlakase-fusion-welded ka tšepe ea filler e kentsoeng, e entsoeng ka poleiti ea boleng ba sejana sa litlhahlobo tse ngata le maemo a matla 'me e loketse tšebeletso ea khatello e phahameng ea mocheso.

ASTM A252 e koahela marako a liphaephe tsa tšepe tsa cylindrical tseo ho tsona silindara ea tšepe e sebetsang e le setho sa ka ho sa feleng se jarang moroalo kapa e le khetla ho etsa liqubu tsa konkreite tse lahliloeng.

ASTM A672 e koahela phala ea tšepe ea motlakase-fusion-welded bakeng sa tšebeletso ea khatello e phahameng ka mocheso o itekanetseng.