I n’a fɔ fɛn jɔnjɔn min tɛ se ka bɔ a nɔ na bi iziniw ni jɔli la, nɛgɛso jɔnjɔnw ka baara bɛ ɲɛsin ɛntɛrinɛti jɔcogo lakanani, a muɲuni, ani sɔrɔko nafa ma. K’a ta masinw ka nafaw la ka se sigida labɛnni ma, nɛgɛ pipew ka baarakɛcogo bɛɛ lajɛlen b’a to u nafa ka bon kosɛbɛ baara suguya caman na, i n’a fɔ fanga jiginni, masinw dilanni, ani jɔli baara. Nin multi-Sɛgɛsɛgɛli basigilenw ka baarakɛcogo basigilenw ka baarakɛcogo basigilen ani u nafa waleyali.
1. Mekaniki nafaw: Loaring core de load-Baara seko ni dɔnko .
Nɛgɛ pibiliki jɔnjɔnw ka masinko ye u ka taamasiyɛn jɔnjɔnw ye ani minnu nafa ka bon kosɛbɛ, kɛrɛnkɛrɛnnenya la, u ka fanga, u ka sɔrɔ fanga, u janya, ani u ka gɛlɛya. Tensile strength bɛ pipe ka se ka kari kɛ doni juguw kɔrɔ, ka sɔrɔ sɔrɔ fanga bɛ nafa kɛrɛnkɛrɛnnen jira plastiki jiginni bɛ daminɛ min na. O paramɛtɛrɛ fila in bɛ nɔ bila tigitigi sigida labɛncogo lakanani hakɛ la. Misali la, Q235 nɛgɛ pipe sɔrɔli fanga bɛ se 235 MPa ma, o b’a to a bɛnnen don boonw bɛɛ lajɛlen na. Faan wɛrɛ fɛ, a ka ca a la, a ka teli ka kɛ ni 20g ye walima ka tɛmɛ o kan-Sɛnɛfɛnw fanga ka bon ni 400 MPa ye walasa ka tansiyɔnba wajibiyalenw dafa.
Elongation ye paramɛtiri jɔnjɔn ye nɛgɛ pipew ka gɛlɛya sumani na. High-Nafolo pipe ɲumanw ka teli ka 20% walima ka tɛmɛ o kan, o bɛ fanga sɔrɔli sabati ni plastiki sɛgɛsɛgɛli ye a sɔgɔli walima a yɛrɛyɛrɛli doni kɔrɔ, o bɛ kari kari bali. Ka fara o kan, gɛlɛya sɛgɛsɛgɛliw (i n’a fɔ Brinell walima Rockwell ka gɛlɛya) bɛ kɛ ka sanfɛla sɛgɛnbaliya jateminɛ ani u nafa ka bon kosɛbɛ baarakɛcogo la i n’a fɔ minɛnko masinw ani jibolisiraw.
2. Furakɛcogo ni fɛnɲɛnamafagalanw tali: Lamini ladamuni kun .
Nɛgɛ pipew ka kemikaliya cogoya bɛ nɔ bila u ka sɔgɔli kunbɛncogo la ani u sabatili janya- waati la. Carbon content ye fɛn ye min bɛ se ka fɛn caman sɛmɛntiya. Low-Carbon steel (carbone ka dɔgɔn walima min bɛ bɛn 0,25%) bɛ weldabilité ɲuman di ani a bɛ kɛ ka caya low{5}}pressure fluid transport la. Medium- ani high{{ Fɛn minnu bɛ Fàra ɲɔgɔn kan, olu farali bɛ nɛgɛ pipew ka baarakɛcogo bonya ka Taa a fɛ. Kɔrɔmu (CR) hakɛ 10,5% walima a ɲɔgɔnnaw bɛ filimu pasif kɛ, ka pipe inox don (i n’a fɔ 304 ani 316L) ni asidi ni alkali sɔgɔli bɛ se ka kɛ cogo ɲuman na. Nickel (NI) bɛ funteni dɔgɔyalen gɛlɛya, o bɛ kɛ sababu ye ka nɛgɛ pibilikiw kɛ minnu bɛnnen don gazi nafama marali ma ani ka taa ni u ye funteni hakɛ la fo ka se -196 hakɛ ma .
Walasa ka nɛgɛ pipew sɔrɔ minnu tɛ{0}}Alloy ye, surface corrosion protection (i n’a fɔ galvanizing ani epoxy coating) walima katodiki lakanani ye fɛɛrɛw ye minnu bɛ kɛ tuma caman na walasa ka nɛnɛ ni kɔgɔ muɲu-Spray environments. Misali la, nɛgɛdaga minnu bɛ kɛ ni nɛgɛ ye, olu bɛ lakana ni zinki saraka anodi ye, k’u ka baarakɛ waati janya ka se san 30 ni kɔ ma.
3. Taabolo baarakɛcogo: Bɛn ni fɛn dilanni ni a jɔli ye .
Nɛgɛbere jɔnjɔnw ka baarakɛcogo bɛ u baaracogo, u dilanni ani u ɲɔgɔndan dannaya jira. Weldability ye wajibi jɔnjɔn ye pibiliki injiniyɛri la. Nɛgɛ nɔgɔman ni duguma-Nɛgɛw bɛ se ka fara ɲɔgɔn kan ka ɲɛ ni fɛɛrɛw ye i n’a fɔ arc welding ani high-frequency welding, ka sɔrɔ austenitic inoxydement steels bɛ funteni doncogo gɛlɛn de wajibiya walasa ka intergranular corrosion bali. Kɔrɔbɔli ni flaring sɛgɛsɛgɛliw bɛ nɛgɛ pipew ka plastiki tiɲɛni seko sɛgɛsɛgɛ. Misali la, nɛgɛ pipe minnu bɛ kɛ ka sɛgɛnlafiɲɛbɔlanw dilan, olu ka kan ka tɛmɛ nɛnɛ kurukuruw fɛ (binding radius ka dɔgɔn walima ka bɛn pipe diamètre siɲɛ 2 ma, faraw tɛ kɛ).
Ka fara o kan, a hakɛ tiɲɛni (misali la, kɛnɛma muɲuni ±0,5%) ani nɛgɛ pipew sanfɛla fini bɛ nɔ bila ji tacogo ɲuman na k’a ɲɛsin a ma. Seamless steel pipes bɛ welda defauts ban perforation walima extrusion processus fɛ ani u bɛnnen don high-pressure applications ma; welded steel pipes (i n’a fɔ ERW ani LSAW) bɛ fanga sɔrɔ low{5}}pressure fluid market kan k’a sababu kɛ u musaka nafa ye.
4. Aplikasiɔn kɛcogo ani baarakɛcogo bɛnkan fɛɛrɛ .
Nɛgɛ pibiliki jɔnjɔnw ka baara ka kan ka bɛn kosɛbɛ baarakɛcogo kɛrɛnkɛrɛnnenw ma:
Fanga: Tumu ni gazi pibilikiw bɛ se ka H2S degunw sɔgɔli bali kosɛbɛ (misali la, API 5L X65 pibiliki nɛgɛ) ani ka tɛmɛ-Tressure Load-Bearing capacity.
Sow jɔcogo : nɛgɛ pipe kɛnɛw ni kɛrɛnkɛrɛnnenya la, olu bɛ kɛ ka caya nɛgɛw jɔcogo la ani u ka kan ka dugukoloyɛrɛyɛrɛw ka ductility ni bɛnkan ni tasuma ni ɲɔgɔn cɛ bɛnkanw kɛ ɲɔgɔn fɛ-Retardant coatings.
Mekanikiw dilanni: Jibolisiraw tigitigiw bɛ u jigi da kɔnɔna kogo gɛlɛya kan (ra min ka dɔgɔ walima min bɛ bɛn 0,8μm ma) ani dimension consistance walasa ka jisigiyɔrɔ ka baarakɛcogo ɲuman sabati.
Kuncɛli
Nɛgɛbere jɔnjɔnw ka baara kɛcogo ye fɛnw dɔnniya ɲuman sɔrɔli ye, baarakɛcogo injiniyɛri, ani magoɲɛfɛnw waleyali. K’a ta masinw tali seko la ka se sigida sabatili ma, k’a ta baarakɛcogo ladamuni baarakɛcogo la ka se baarakɛcogo ladamuni ma, u ka multi-yɔrɔko baarakɛcogo bɛ ka taa ɲɛ ka fɛnkurabɔli bila senkan fɛnsɔrɔsiraw ni iziniw ka fɛɛrɛbɔ la. Don nataw la, ni fɛnw yiriwali ye i n’a fɔ sanfɛ-Strength, Elight, Corrosion{- resistant, ani intelligent materials, nɛgɛ pipe baara bɛna kari ka taa a fɛ, ka dɛmɛ sabatilen caman di diɲɛ yiriwali sabatili ma.
