nke A na-eji tubes ígwè na ọkpọkọ kacha mma maka ụlọ ọkụ ọkụ na ụlọ ọrụ na-ekpo ọkụ ọkụ na ndị na-emepụta ihe |Zhey
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A na-eji tubes ígwè na ọkpọkọ eme ihe maka ụlọ ọkụ na ndị na-ekpo ọkụ ọkụ

Nkọwa dị mkpirikpi:

Ụdị:welded

Teknụzụ:na-ekpo ọkụ mpịakọta

Ihe:igwe anaghị agba nchara

Ọgwụgwọ elu:polishing

Ojiji:njem pipeline, ọkpọkọ ọkpọkọ, ụlọ ọrụ igwe, ihe ịchọ mma ụlọ

Ụdị ngalaba:gburugburu

Ọkọlọtọ:JIS SUS/GB/DIN/ASTM/AISI/En

Dayameta:3-480 - mm

Ngwa:A na-ejikarị ya na mmanụ ala, nri, kemịkalụ na ụlọ ọrụ ndị ọzọ

Nkọwapụta:1.0-150 - mm

Ike mmepụta:5 nde tọn


Nkọwa ngwaahịa

Mkpado ngwaahịa

Ọkpụkpụ ígwè tubes na ọkpọkọ, Na-ezo aka na nsọtụ abụọ nke oghere na oghere oghere, ogologo ya na mpụta nke nnukwu ígwè, dị ka mmepụta usoro nwere ike kewaa n'ime enweghị nkebi ígwè tube na welded ígwè tube, ígwè tube nkọwa na mpụga. akụkụ (dị ka dayameta mpụta ma ọ bụ ogologo akụkụ) na ọkpụrụkpụ mgbidi, nha ya dị oke obosara, site na obere dayameta nke tube capillary ruo dayameta nke mita ole na ole nke nnukwu ọkpọkọ caliber.Enwere ike iji tubes ígwè maka ọkpọkọ, akụrụngwa ọkụ, ụlọ ọrụ igwe, nchọpụta ala ala mmanụ ala, arịa, ụlọ ọrụ kemịkalụ na ebumnuche pụrụ iche.

Okpomọkụ ígwè tubes na ọkpọkọ, Kewara enweghị nkebi ígwè ọkpọkọ na welded ígwè ọkpọkọ ( onuete ọkpọkọ) abụọ edemede.Dị ka akụkụ udi nwere ike kewaa gburugburu tube na pụrụ iche ekara tube, ọtụtụ ebe na-eji bụ okirikiri ígwè tube, ma e nwere a ole na ole square, rektangulu, semicircle, hexagonal, equilateral triangle, octagonal pụrụ iche ekara ígwè tube.Maka ọkpọkọ ígwè n'okpuru nrụgide mmiri iji mee ule hydraulic iji nwalee ikike nrụgide ya na ịdị mma ya, n'okpuru nrụgide a kapịrị ọnụ adịghị agbapụta, mmiri ma ọ bụ mgbasawanye maka ndị ruru eru, ụfọdụ ọkpọkọ ígwè dị ka ọkọlọtọ ma ọ bụ ihe achọrọ nke ule n'akụkụ, flaring. ule, ule ire ụtọ.

Ọkpụkpụ ígwè tubes na ọkpọkọ, ụzọ mmepụta ihe

Ọkpụkpụ ígwè ọkpọkọ na ọkpọkọ, bụ ụdị tube enweghị nkebi.Usoro mmepụta ihe bụ otu ihe ahụ dị ka ọkpọkọ na-enweghị ntụpọ, ma e nwere ihe siri ike chọrọ na ụdị ígwè eji arụ ọrụ ígwè.Dị ka ojiji nke okpomọkụ na-ekewa abụọ iche iche n'ozuzu ji esi mmiri ọkụ tube na elu-nrụgide ji esi mmiri ọkụ tube.

Ọkpụkpụ ígwè tubes na ọkpọkọ, ihe akụrụngwa bụ ihe dị mkpa index iji hụ na ọrụ ikpeazụ nke ígwè.Ọ dabere na ihe mejupụtara kemịkalụ nke ígwè na usoro ọgwụgwọ okpomọkụ.Na ọkọlọtọ ọkpọkọ ígwè, dị ka ihe dị iche iche eji chọrọ, akọwapụtala ihe ndị na-emepụta ihe (ike ike, ike na-enye ike ma ọ bụ nkwụsị mkpụrụ, elongation) na ike, ihe ndị na-egosi ike siri ike, yana ihe ndị ọrụ chọrọ nke ịrụ ọrụ dị elu na nke dị ala.

① The izugbe ji esi mmiri ọkụ tube okpomọkụ bụ n'okpuru 350 ℃, anụ ụlọ anwụrụ bụ tumadi mere nke 10, ọ dịghị.20 carbon ígwè ọkụ akpọrepu ọkpọkọ ma ọ bụ oyi adọta ọjà.

② A na-ejikarị tubes na-ekpo ọkụ na-ekpo ọkụ na-eme ihe n'okpuru okpomọkụ dị elu na ọnọdụ nrụgide dị elu.N'okpuru omume nke elu okpomọkụ flue gas na mmiri vepo, oxidation na corrosion ga-eme.A chọrọ ọkpọkọ ígwè ka ọ nwee ike dị elu, nkwụsị nke corrosion oxidation dị elu na nkwụsi ike microstructure dị mma

Ọkpụkpụ ígwè tubes na ọkpọkọ, Jiri

(1) General ji esi mmiri ọkụ tube bụ tumadi iji rụpụta mmiri mgbidi tube, esi mmiri tube, superheated uzuoku tube, locomotive ji esi mmiri ọkụ superheated uzuoku tube, nnukwu na obere anwụrụ anwụrụ anwụrụ na arch brik ọkpọkọ.

(2) High pressure ji esi mmiri ọkụ tube na tumadi na-eji rụpụta superheater tube, reheater tube, ọkpọkọ, isi uzuoku ọkpọkọ, wdg The ọkọnọ na ina omume nke elu-nrụgide ji esi mmiri ọkụ tube ụlọ ọrụ bụ n'ozuzu ike, ma ọkọnọ na ina ọnọdụ nke ọ bụla. a kapịrị ọnụ sub-ụlọ ọrụ ga-ọzọ iche iche.Ndị na-ahụ maka ụlọ ọrụ na-arụtụ aka na njikọ dị oke egwu bụ iji na nkwalite nke 20g igwe ọkụ ọkụ ọkụ ọkụ maka nchekwa ọkụ ọhụrụ na-azọpụta ike.

Ngwa ọhụrụ na-echekwa ike 20g igwe ọkụ ọkụ ọkụ na-eji nwayọọ nwayọọ na-abawanye n'ahịa ahụ, dị ka agba nchekwa gburugburu ebe obibi ndụ ndụ, ngwaahịa nchekwa nchekwa na mmiri na-echekwa mmiri, nkume nchebe gburugburu ebe obibi, bọọdụ mkpuchi simenti ụfụfụ, nchekwa ike na ngwaahịa nchekwa gburugburu ebe obibi n'ahịa sara mbara nke 20g nnukwu ụlọ ọrụ igwe ọkụ ọkụ na-ekwe nkwa.[1]

Ndokwa ndị dị mkpa

(1) GB / T5310-2008 "Ụdị igwe anaghị agba nchara maka ndị na-ekpo ọkụ dị elu" ndokwa.Usoro nyocha nke kemịkalụ dị ka GB222-84 si dị na "Usoro nyocha kemịkalụ nke Iron na Steel na Alloy", GB223 "Usoro nyocha kemịkalụ nke Iron na Steel na Alloy".

(2) A ga-eme nyocha ihe mejupụtara kemịkalụ nke ọkpọkọ igwe eji esi mmiri ọkụ na-ebubata dị ka ụkpụrụ dị mkpa siri dị na nkwekọrịta ahụ.

Ọkpụkpụ ígwè tubes na ọkpọkọ, The Steel ọkwa

(1) Carbon structural ígwè dị elu dị elu 20G, 20MnG, 25MnG.

(2) Alloy Ọdịdị ígwè 15MoG, 20MoG, 12CrMoG, 15CrMoG, 12Cr2MoG, 12CrMoVG, 12Cr3MoVSiTiB, wdg

(3) Nchara na-eguzogide nchara na-ejikarị 1Cr18Ni9, 1Cr18Ni11Nb ji esi mmiri ọkụ na mgbakwunye iji hụ na ihe mejupụtara kemịkalụ na ihe eji arụ ọrụ, ime nnwale nrụgide mmiri, iji mee flaring, ule mkpakọ.A na-ebunye tubes ígwè na ọnọdụ ọgwụgwọ okpomọkụ.

Tụkwasị na nke ahụ, a na-achọkwa microstructure, nha ọka na decarburization oyi akwa nke ọkpọ ígwè emechara

Ọkpụkpụ ígwè tubes na ọkpọkọ, Njirimara anụ ahụ nke

(1) GB3087-2008 "Speamless Steel pipe maka obere mmiri ọkụ na ọkara" ndokwa.Nnwale tensile dị ka GB/T228-87 si dị, ule hydraulic dị ka GB/T241-90 si dị, ule flattening dị ka GB/T246-97, nnwale flaring dị ka GB/T242-97 si dị, ule ịgbado oyi dị ka GB244-97.

(2) GB5310-2008 "Ụdị igwe anaghị agba nchara maka igwe ọkụ ọkụ dị elu".Nnwale mgbakasị ahụ, ule nrịba mmiri na ule ịgbasa bụ otu ihe ahụ gb3087-82;Nnwale mmetụta dị ka GB229-94 si dị, ule na-egbuke egbuke dị ka GB/T242-97, ule nha ọka dịka YB/T5148-93 si dị;Dabere na GB13298-91 maka nyocha microstructure, GB224-87 maka nyocha oyi akwa decarburization na GB / T5777-96 maka nyocha ultrasonic.

(3) A ga-eme nyocha nke anụ ahụ na ihe ngosi nke ọkpọkọ mmiri ọkụ na-ebubata dị ka ụkpụrụ ndị dị mkpa siri dị na nkwekọrịta ahụ.

Ọkpụkpụ ígwè tubes na ọkpọkọ, Mechanical Njirimara nke

Ike ọdụdọ
N'ime usoro nkwụsịtụ, ike kachasị (Fb) nke ihe atụ na mgbawa na-enweta site na nrụgide (σ) nke mbụ mpaghara cross-section (So) nke ihe atụ, nke a na-akpọ ike ike (σb), gosipụtara na ya. N/mm2 (MPa).Ọ na-anọchi anya ikike kachasị nke ihe igwe iji guzogide mmebi n'okpuru esemokwu.Usoro mgbako bụ:

Ebe: Fb-- ike kachasị nke ihe nlere anya mgbe ọ gbajiri, N (Newton);Ya mere-- Ebe izizi nke ihe nlele, mm2.

Ebe mkpụrụ
Ihe ndị dị na metal nwere ihe na-emepụta ihe, ihe nleba anya na usoro nke ike nkwụsị adịghị abawanye (na-anọgide na-adịgide adịgide) nwere ike ịnọgide na-agbatị nrụgide ahụ, nke a na-akpọ ebe mkpụrụ.Ọ bụrụ na mbelata ike, a ga-ekewapụta isi ihe nke elu na nke ala.Otu nkeji mkpụrụ bụ N/mm2 (MPa).

Ebe mkpụrụ dị elu (σ SU) bụ nrụgide kachasị tupu ihe atụ ahụ amịpụta na ike na-adaba na nke mbụ.Ebe mkpụrụ osisi dị ala (σ SL): nrụgide kacha nta na ọkwa mkpụrụ mgbe anaghị atụle mmetụta mbido mbụ.

Enwere ike gbakọọ ebe mkpụrụ site na:
Ebe Fs bụ ike mkpụrụ (mgbe niile) nke ihe nleba anya n'oge usoro nkwụsịtụ, N (Newton) Otú ahụ ka ọ dịkwa ebe mbụ cross-section nke ihe atụ, mm.2

Ọkpụkpụ Steel tubes na ọkpọkọ, elongation Mgbe mgbaji

N'ime ule nyocha, pasent nke ogologo na-abawanye site na ọkọlọtọ ọkọlọtọ mgbe a dọtara ihe atụ ahụ na ogologo nke ogologo ọkọlọtọ mbụ a na-akpọ elongation.Ngalaba ahụ bụ %.Usoro mgbako bụ:

Ebe: L1-- anya nke ihe atụ mgbe agbajisịrị, mm;L0-- Ogologo anya mbụ nke nlele, mm.

Mbelata nke ngalaba
N'ime ule nkwụsịtụ, pasent nke mbelata kachasị elu nke mpaghara mpaghara na-ebelata oke nke ihe atụ ahụ mgbe a dọtara ya na ebe mbụ nke ebe a na-akpọ ebe mgbaba mpaghara.A na-egosipụta ψ na %.Usoro mgbako bụ nke a:

Ebe, S0-- ebe mbụ cross-section nke sample, mm2;S1-- Opekempe mpaghara obe na mbelata dayameta nke ụdị mgbe agbajichara, mm2.

Ndekọ isi ike
Isi ike bụ ikike nke ihe igwe na-egbochi ihe siri ike na-abanye n'elu.Dị ka usoro ule na oke nke ngwa si dị, ike ikewa nwere ike ịbụ Brinell hardness, Rockwell hardness, Vickers hardness, Shore hardness, micro hardness and high okpomọkụ hardness.A na-ejikarị ihe ọkpọkọ eme ihe nwere brinell, rockwell, Vickers hardness 3 ụdị.

A, Brinell hardness (HB)
A na-etinye bọọlụ nchara ma ọ bụ bọọlụ carbide nke otu dayameta n'elu ihe nlele ya na ike nnwale a kapịrị ọnụ (F), a na-ewepụ ike nnwale ahụ mgbe oge ejidere akọwapụtara iji tụọ dayameta indentation (L) n'elu ihe nlele.Nọmba hardness Brinell bụ ọnụ ọgụgụ nke ike nnwale kewara site na mpaghara elu nke oghere ntinye.Egosiputara ya na HBS, nkeji a bu N/mm2 (MPa).

Ọkpụkpụ ígwè tubes na ọkpọkọ, Ogo na nyocha

Nkọwapụta na ọdịdị

(1) GB3087-2008 "Speamless Steel pipe maka obere mmiri ọkụ na ọkara" ndokwa.Nkọwa nke tubes ígwè maka ndị na-ekpo ọkụ dị iche iche, dayameta 10 ~ 426mm, ụdị 43 na mkpokọta.Enwere ụdị 29 nke ọkpụrụkpụ mgbidi sitere na 1.5 mm ruo 26mm.Agbanyeghị, dayameta dị n'elu na ọkpụrụkpụ mgbidi nke ọkpọkọ uzuoku na-ekpo ọkụ, nnukwu anwụrụ ọkụ, obere anwụrụ anwụrụ ọkụ na ọkpọkọ brik ejiri n'ime igwe ọkụ locomotive ka edobere ma ọ bụghị.

(2) GB5310-2008 "Seamless steel Tube for High pressure boiler" na-ekpo ọkụ akpọrepu ọkpọkọ dayameta 22 ~ 530mm, mgbidi ọkpụrụkpụ 20 ~ 70mm.Oyi adọta (oyi akpọrepu) tube dayameta 10 ~ 108mm, ọkpụrụkpụ mgbidi 2.0 ~ 13.0mm.

(3) GB3087-2008 "nnukwu nchara nchara maka obere na-ajụ nrụgide ji esi mmiri ọkụ" na GB5310-95 "Seamless ígwè tube maka elu nsogbu ji esi mmiri ọkụ" ndokwa.Ọdịdị ọdịdị: mgbawa, mpịakọta, mpịakọta, ịcha ahụ, nkewa na wrinkles adịghị ekwe ka ọ dị n'ime na elu nke ọkpọ ígwè.Ekwesịrị ikpochapụ ntụpọ ndị a kpamkpam.Omimi mkpochapụ agaghị agafe nhụsianya na-adịghị mma nke oke mgbidi ọnụ, na ọkpụrụkpụ mgbidi n'ezie na nkwụsị agaghị abụ ihe na-erughị obere mgbidi kwere ekwe.[2]

Nnwale kemịkalụ

(1) GB3087-2008 "Speamless Steel pipe maka obere mmiri ọkụ na ọkara" ndokwa.Usoro nyocha ihe mejupụtara kemịkalụ dịka gb222-84 na GB223 siri dị "Ụzọ maka nyocha kemịkalụ nke ígwè na alloy" akụkụ dị mkpa.

(2) GB5310-2008 "Ụdị igwe anaghị agba nchara maka igwe ọkụ ọkụ dị elu".Usoro nyocha nke kemịkalụ dị ka GB222-84 si dị na "Usoro nyocha kemịkalụ nke Iron na Steel na Alloy", GB223 "Usoro nyocha kemịkalụ nke Iron na Steel na Alloy".

(3) A ga-eme nyocha ihe mejupụtara kemịkalụ nke ọkpọkọ igwe eji esi mmiri ọkụ na-ebubata dị ka ụkpụrụ dị mkpa siri dị na nkwekọrịta ahụ.

Ngwaahịa ji esi mmiri ọkụ ígwè tubes na ọkpọkọ
Pipe enweghị nkebi China GB/T8162/T8163 GB5310/6579/9948
USA ASTM A53/A106/A178/A179/A192/A210/A213/A333/A335/A283/A135/A214/315/A500/A501/A519/A161/A334;API 5L/5CT
Japan JIS G3452/G3454/G3456/G3457/G3458/G3460/3461/3462/3464
German DIN 1626/17175/1629-4/2448/2391/17200 SEW680
Russia GOST 8732/8731/3183
Ihe na ọkwa China 10#, 20#, 16Mn, 20G, 15MoG, 15CrMo, 30CrMo, 42Crmo, 27SiMn, 20CrMo
USA Gr.B/Gr.A/A179/A192/A-1/T11/T12/T22/P1/FP1/T5/4140/4130
Japan STPG38, STB30, STS38, STB33, STB42, STS49, STBA23, STPA25, STPA23
German ST33,ST37,ST35,ST35.8,ST45,ST52,15Mo3,13CrMo44, 1.0309, 1.0305, 1.0405
Russia 10, 20, 35, 45, 20X
Ọpụpụ dayameta 10-1000mm ma ọ bụ nhazi
Ọkpụrụkpụ mgbidi 1-100mm ma ọ bụ nhazi
Ogologo 1-12m ma ọ bụ nhazi
Nchedo Okpu plastik
Usoro mbukota Akpọrọ ya ma jikọta ya na eriri igwe
Usoro mbupu Akpa ma ọ bụ ùkwù n'akụkụ oké osimiri, otu akpa 20" nwere ike ibu ihe dị ka tọn 20 (5.8mita ogologo), otu akpa 40" nwere ike ibu ihe dịka 23-25tons (ihe na-erughị mita 11.8 n'ogologo)
Asambodo ogo ISO, API, Asambodo Nnwale Mill
Ọgwụgwọ elu Ihe osise ojii / varnished elu, mgbochi corrosion mmanụ, galvanized ma ọ bụ dị ka kwa onye ahịa chọrọ

 

Usoro Na-ekpo ọkụ akpọgharịrị/Oyi adọtara
akara akara igwe Q195, Q235A-B, Q345A-E, 20#, 10#, 16Mn, ASTM A36, ASTM A500,
ASTM A53, ASTM 106, SS400, St37, St52, S235JR, S355TRH ect.
Ụkpụrụ GB/T 3091-2001,GB/T13912-2002, BS 1387, ASTM F1083 ect.
Ọkụ na-akwụsị larịị, agba aja aja, eri, oghere nwere oghere, nke nwere PVC clap / njikọ / mmachi,
ma ọ bụ dị ka ndị ahịa 'chọrọ
ọgwụgwọ
Ngwa nnyefe mmiri (mgbapụta nke ọma, gas, mmiri), ọkpọkọ ihe owuwu, ihe nhazi
ọkpọkọ (ụlọ griin haus, post nsu), mgbidi ákwà mgbochi, akụkụ igwe ect.
 
Oge Mbuga ozi 10 ụbọchị site na ngwaahịa;15-20days emepụtara dị ka qty si dị
Oge ịkwụ ụgwọ T/T ma ọ bụ L/C
Oge ọnụahịa CIF;CFR;FOB
Na-ebu Port Qingdao ọdụ ụgbọ mmiri Tianjin ọdụ ụgbọ mmiri Shanghai Port China

Ngosipụta ngwaahịa

ji esi mmiri ọkụ-steel-tube-na-ọkpọkpọ (2)
ji esi mmiri ọkụ-steel-tube-na-ịkpọ (8)
ji esi mmiri ọkụ-steel-tube-na-pipe- (5)
ji esi mmiri ọkụ-steel-tube-na-pipe- (6)
ji esi mmiri ọkụ-steel-tube-na-ọkpọkpọ (3)
ji esi mmiri ọkụ-steel-tube-na-ọkpọkpọ (7)

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