API 5LỌ bụ ọkọlọtọ maka ọkpọkọ ahịrị ahịrị eji ebu mmanụ, gas gas, na mmiri. Standardkpụrụ ahụ ekpuchi ọtụtụ akara akara dị iche iche nke ígwè, nke X42 na X52 bụ akara abụọ. Isi ihe dị iche n'etiti X42 na X52 bụ akụrụngwa ha arụ ọrụ, karịsịa mkpụrụ na ike Pensile.

X42: Oke opekempe na-enwe ike pipe pipe dị 420 PSI (290 MPA) na 600-75,000 PSI (415-520 MPA). A na-ejikarị ọkwa ọkwa X42 na usoro na-eme ka ọ dị obere na ike chọrọ, adabara maka mgbasa ozi dị ka mmanụ, gas gas, na mmiri.

X52: Oke opekempe na-enwe ike pipe x52 bụ PSI (360 MPA), ike nke Tensa PSI (455-655 MPA). Tụnyere ya na X42, X52 ọkwa plọg nke nwere ike dị elu ma dịkwa mma maka sistemụ ọkpọkọ na nrụgide dị elu na ike chọrọ.

Na usoro nnyefe,API 5L StandardNa-akọwapụta ọnọdụ nnyefe dị iche iche maka ọkpọkọ nchara ma welded pipes:

Peem na-enweghị atụ (n Steeti): N State na-ezo aka na idozi ọnọdụ ọgwụgwọ. A na-edozi ọkpọkọ nchara na-enweghị atụ tupu nnyefe na microgenenize microgenaze microgene microgenize nke nchara pipe, si otú a na-eme ka ihe ndị na-arụ ọrụ ya na isi ike. Nchịkọta nwere ike iwepụ nrụgide dị mma ma melite nkwụsi ike nke ọkpọkọ nchara.

Welded piped (m Steeti): m Steeti na-ezo aka na ọgwụgwọ themomekan nke ọma mgbe etolite na ịgbado. Site na TheromeChanical ọgwụgwọ, nke mictraniction nke welded, a na-akawanye arụmọrụ nke ebe a na-eme ihe, ike na ntụkwasị obi nke piped a welded, a na-ahụ ike.

API 5L StandardEzipụta nkọwapụta kemịkalụ, Njirimara arụ ọrụ, usoro na - emepụta ihe, nyocha na usoro nyocha nke pipeline ígwè nchara. Mmejupụta nke ọkọlọtọ na-enyere nchekwa na ntụkwasị obi nke ọkpọkọ ọkpọ ọkpọ mgbe ọ na-ebu mmanụ, gas gas na mmiri ndị ọzọ. Nhọrọ nke akara ule dị mma na ọnọdụ nnyefe nwere ike iru mkpa ụfọdụ nke ọrụ injinịa dị iche iche ma hụ na arụ ọrụ nke sistemụ.