ASTM A335 P22 Nkọwapụta Pipe (Chrome Moly Pipe)

N'etiti Cr{0}Mo alloy steel niile,ASTM A335 Ọkwa P22na-anọchi anya otu n'ime ndị kasị vasatail ngwọta makaelu -nrụgide na elu - pipeline okpomọkụ.
Ọ na-ejikọta2.25% chromiumna1% molybdenum, na-akpụ matrix alloy nwere ike iguzogide creep, oxidation, na carburization n'oge ikpughe ogologo oge na okpomọkụ ruo620 degrees (1150 degrees F).

Ihe a dịla anyaarụ ọrụ nke nrụpụta ike, ụlọ nrụpụta, na sistemụ ọkpọkọ petrochemical, na-ejikọta ọdịiche arụmọrụ n'etiti akara ule dị ala dị ka P11 na ferritic dị elu{1}}martensitic alloys dị ka P91.
Ntụziaka nke ntụkwasị obi n'ibu, nrụpụta, na nkwụsi ike ogologo oge na-eme ka ọ dị mma maka yaigwe nkụnye eji isi mee, tubes reheater, na ahịrị mbufe okpomọkụ dị elu{{0}.

Ọkwa P22 bụ nkeferritic-klaasịnke ígwè. Ọrụ ya na-enweta site na microstructure arụpụtara nke ọma nke mejupụtaraferrite dị ọkụ na chromium-molybdenum carbides kwụsiri ike (M₂₃C₆, M₆C).

Nhazi metallurgical a na-eme ka:

• ferrite kwụsiri ike{0}}carbide microstructureeguzogide coarsening n'okpuru thermal ibu.
• Nkwụsi ike nke mgbawa{{0}ihe karịrị 100,000 awa ọrụ na 540-600 ogo.
• Ọkachamma weld iguzosi ike n'ezi ihemgbe biputere -ọkụ weld{1}} gwọọ (PWHT).
• Mbelata oxidation na-achịkwa, ibelata tube elu roughness na metal mkpofu.

N'ebe okpomọkụ dị elu, P22 na-akwado acreep{0}} ike mgbawa n'elu 60 MPa na 600 degrees, na-ejigide ọdịdị ya na iguzosi ike n'ezi ihe ọbụna n'okpuru nrụgide cyclic na ịma jijiji.

N'adịghị ka obere carbon steel, P22 chọrọ nkenkethermal-mechanical akaran'ichepụta ihe niile.
Ọkpụkpọ Octal na-eji usoro akpụ akpụ enweghị nkebi jikọtara ya na yaọgwụgwọ okpomọkụ ọtụtụ{{0}iji hụ na ịdị n'otu metallurgical na nha nha nha.

Ụzọ nrụpụta:

• Ịkpọpu Billet & Ịkpụ ọkụ– Cr- A na-adụpu mo billlets na ogo 1100–1150 site na iji extrusion rotary.
• Ịse Ihe Ntu oyi / Na-ekpo ọkụ– Nnụcha nha ọka na ịdị n'otu mgbidi.
• Nhazi (940-980 degrees)- Na-anụcha ọka ferritic ma gbazee carbide dị iche iche.
• Okpomọkụ (675-760 degrees)- Na-ebelata nrụgide dị n'ime, na-eweghachi ductility, na-eme ka carbide guzosie ike.
• Nnwale Hydrostatic / Ultrasonic- Na-akwado ikike nrụgide na ịdị mma nhazi.

Nkeọgwụgwọ okpomọkụ okpukpu abụọ{{0}(normalize + iwe) dị oke egwu. Ọ na-ewepụta matriks ferrite dị mma{{2}, nke nwere iwe nke na-egbochi mmụgharị, na-akwado weld ductility, ma na-enye arụmọrụ a na-ahụ anya n'ime afọ iri nke ọrụ.

Ịmepụta omenala dị kaỊ - na-ehulata, spools, na mgbakọ nkụnye eji isi meedị mgbe a rịọrọ maka ike ọkụ na usoro nnụcha.

Na ọnọdụ ọrụ n'elu 550 degrees, P22 ụdị annukwu Cr₂O₃ oxide oyi akwanke na-arapara na isi ígwè, na-egbochi spallation na metal ọnwụ.
Ihe nkiri a na-eme dị ka aihe mgbochi ọgwụgwọ onwe{{0}, na-ejigide arụmọrụ mbufe ọkụ na ịdị nro dị elu n'oge mkpughe ogologo oge.

Njirimara arụmọrụ bụ isi:

• Ike dị elu:Stable n'okpuru ibu na-aga n'ihu na ịgba ígwè nrụgide.
• Nguzogide ike ọgwụgwụ okpomọkụ:Matriks dị mma- na-egbochi mgbawa n'okpuru okirikiri mgbasawanye.
• Nkwụsi ike Akụkụ:Mgbasa ọkụ dị ala na-eme ka nhazi weld na-agbanwe agbanwe.
• Arụmọrụ Weld:PWHT na-eweghachite ductility ma wepụ nrụgide fọdụrụnụ.
• Nguzogide Oxidation:Nchedo ntụkwasị obi ruo ogo 620, na-agbatị oge nyocha.

A na-ebugharị ASTM A335 P22 alloy pipe na ebe niileike mmepụta, Petrochemical, nannụchangalaba, ọkachasị nasuperheater, reheater, na sekit feedwater dị elu{{0}.

Ngwa ndị nnọchi anya:

• Ọkụ mmiri & Reheater tubingmaka subcritical na supercritical nkeji.
• Hazie Steam Headersnandị na-ahụ maka akụ na ụbana ụlọ ọrụ ike.
• Refinery na Petrochemical ọkụebe carburizing na oxidizing gas na-ebikọ ọnụ.
• Shell Exchanger okpomọkụnamgbanwe manifoldsna-achọ nkwụsi ike igwe ogologo oge{{0}.

Ndekọ ọrụ ya na akụrụngwa ike na-egosi na ọ dabara maka yaarụ ọrụ na-aga n'ihu na obere oge nkwụsị, na-eme P22 ka ọ bụrụ isi ihe dị na elu ụwa{1}} osisi arụmọrụ.

Ngwaahịa niile kwekọrọASTM A335 / A999naASME SA335ụkpụrụ, kwadoro site na:

• Nnwale Hydrostatic ma ọ bụ ultrasonic
• Nnwale na-egbuke egbuke na ọkụ ọkụ
• Nkwado akụrụngwa akụrụngwa (tensile, ike ike)
• Nyocha akụkụ na anya
• Mmetụta nhọrọ na nyocha redio

A na-ebunye ogbe ọ bụlaAsambodo EN 10204 3.1/3.2, traceability zuru oke, yana ndekọ ule igwe igwe.

Octal Pipe na-enye ASTM A335 P22 ọkpọkọ naọnọdụ nkịtị na iwe ọkụ, na-ahụ n'anya dị elu - arụmọrụ okpomọkụ yana ndakọrịta weld.
Site na nrụpụta ISO- gbaara mbo, ntinye QA/QC, na oru ngo - akwụkwọ ọkwa, Octal Pipe na-ebuga sistemu ọkpọkọ alloy kwesịrị ntụkwasị obi makaThermal, refinery, na nhazi ụlọ ọrụ n'ụwa nile.

Kpọtụrụ ugbu a

FAQ

 

 

Q1: Gịnị bụ ASTM A335 P22 (ASME SA335 P22) ọkpọkọ eji?

A1:Okpomọkụ dị elu{0}, elu{1} nrụgide ọrụ pipụ n'ime ụlọ ọrụ ọkụ, ụlọ ọrụ nnụcha, na nkeji petrochemical.

Q2: Gịnị bụ ahụkarị alloy usoro maka P22 ọkpọkọ?

A2:2.25Cr -1Mo (chrome-moly) ferritic alloy steel emebere maka nguzogide na oxidation.

Q3: Kedu ọgwụgwọ okpomọkụ a na-achọkarị maka ọkpọkọ P22?

A3:Na-emezigharị na iwe ọkụ (N+T) nwere ndekọ ọkụ edekọtara{1}.

Q4: Kedu mgbe m ga-ahọrọ P22 kama P11 ma ọ bụ P91?

A4:Họrọ P22 dị ka ọkwa etiti- maka oke okpomọkụ/ọchịchọ dị elu karịa P11, mana na-enweghị ọnụ ahịa/ njikwa dị elu na-ejikọkarị ya na P91.

Q5: Kedu ihe m ga-arịọ iji nyochaa àgwà ọkpọkọ P22 tupu ịzụta?

A5:EN 10204 3.1/3.2 MTC nwere traceability okpomọkụ, nsonaazụ igwe/kemistri, ike siri ike na nnwale hydrostatic ma ọ bụ UT dị ka akọwapụtara.

Asambodo

 

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Asambodo ISO 9001

Asambodo API Q1

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