Pearlite Okpomọkụ-na-eguzogide 12CR 1movg High Pressure Alloy Tube
Matrix bụ ígwè na-eguzogide obere ihe na-ekpo ọkụ na pearlite ma ọ bụ bainite. Enwere usoro chromium-molybdenum na chromium-molybdenum-vanadium. Ka oge na-aga, ọtụtụ (dị ka chromium, tungsten, molybdenum, vanadium, titanium, boron, wdg) emebela akara akara nchara nke ihe mejupụtara, na ịdịte aka na okpomọkụ ọrụ nke ígwè ejirila nwayọọ nwayọọ mụbaa. Ma n'ozuzu ngụkọta ego nke alloying ọcha kacha ihe dị ka 5%, na usoro ya gụnyere bainitic ígwè na mgbakwunye na pearlite. Nke a na ụdị ígwè nwere ezigbo elu okpomọkụ creep ike na usoro arụmọrụ na 450 ~ 620 ℃, na nwere ezigbo thermal conductivity, ala mgbasa ọnụọgụ na ala price. A na-eji ya eme ihe dị iche iche na-ekpo ọkụ na-ekpo ọkụ na nso nke 450 ~ 620 ℃. Dị ka ọkpọkọ nchara maka ọdụ ọkụ, uzuoku turbine impellers, rotors, fasteners, elu-nrụgide arịa maka mmanụ refining na chemical ụlọ ọrụ, n'efu okpomọkụ boilers, kpo oku oku tubes na okpomọkụ Exchanger tubes, wdg.
[1] Steel maka ọkpọkọ ígwè na-eguzogide obere alloy.
A na-ejikarị ya dị ka mgbidi mmiri ji esi mmiri ọkụ, ndị na-ekpo ọkụ ọkụ, ndị na-ekpo ọkụ, ndị na-ahụ maka akụ na ụba, ndị nkụnye eji isi mee na ọkpọkọ uzuoku, yana tubes mgbanwe okpomọkụ maka petrochemical na ike nuklia. A na-achọrọ ihe ahụ ka ọ nwee njedebe dị elu nke na-akpụ akpụ, ike na-adịte aka na plasticity na-adịte aka, ezigbo nkwụsị nke oxidation na nkwụsị corrosion, nkwụsi ike nhazi zuru oke na ezigbo weldability na ọkụ na oyi na-edozi ihe. Ndụ ọrụ emebere ya ruru awa 200,000. Ndị isi ụdị na China bụ 12CrMo, 15CrMo, 12Cr2Mo, 12CrlMoVG elu-nrụgide alloy tubes, na 12Cr2MoWVTiB, nke na-eji na nso nke 480 ~ 620 ℃. A na-ejikarị normalizing na tempering eme ihe maka ọgwụgwọ okpomọkụ.
[2] Ígwè maka efere arịa dị elu.
Na petrochemical ụlọ ọrụ, coal gasification, nuklia ike na ike ọdụ, obere alloy okpomọkụ na-eguzogide efere na ọtụtụ ebe na-eme ka nrụgide arịa. Ndị isi ụdị na China bụ 15CrMoG high-pressure alloy pipes (1.25Cr-O.5Mo), 12Cr2Mo (2.25Cr-1Mo) na 12Cr1MoV, wdg Dị ka ihe atụ, na-ekpo ọkụ-wall hydrogenation reactors na-ejikarị 2.25Cr-1Mo) ígwè efere. (25 ~ 150mm). ), n'ihi na ngwá ọrụ ahụ na-arụ ọrụ n'okpuru ọnọdụ okpomọkụ dị elu, nrụgide dị elu na nkwụsị hydrogen ruo ogologo oge, mgbe ị na-atụle mgbochi nke embrittlement na 475 ° C, ihe a chọrọ ka ọ dị ọcha, na sọlfọ na phosphorus. A na-atụ anya ka ọ bụrụ ihe na-erughị 0.01% na tin kachasị dị ala, ihe ndị na-emerụ ahụ dị ka antimony na arsenic chọrọ ịgbaze ọkụ ọkụ eletrik na nchacha mpụga.
[3] Steel maka fasteners.
Ngwa ngwa ngwa ngwa bụ isi ihe na-arụ ọrụ na njikọ nke uzuoku turbines, boilers na ndị ọzọ elu-nrụgide akụrụngwa. Ọ na-achọ oke mkpụrụ zuru oke, nkwụsi ike dị elu, ezigbo plasticity na-adịte aka na obere nghọta notch na-adịte aka. Nguzogide oxidation na arụ ọrụ nke ọma. Ndị isi ụdị na China bụ 25Cr2Mo, 25Cr2MoV, 25Cr2Mo1V, 20Cr1M01VNbTiB, wdg, nke ike ga-eji na nso nke 500～570℃ n'otu n'otu. A na-ejikarị akara ule ndị a mgbe emenyụchara na iwe ọkụ.
[4] Steel maka rotor (spindle, impeller).
Isi aro, impeller na integral esorowo rotor bụ otu n'ime isi akụkụ nke uzuoku turbine. Ihe a chọrọ ka ọ nwee ezigbo ihe eji arụ ọrụ zuru oke, mgbaji siri ike, nnukwu nguzogide na ike ntachi obi, yana ezigbo nguzogide ike ọgwụgwụ ọkụ. A na-ejikarị ụdị spindle na impeller eme ihe na China bụ 35CrMo, 35CrMoV, 27Cr2Mo1V, 12Cr3MoWV, wdg. A na-eji ígwè 20Cr3MoWV arụ ọrụ gas turbine. Iji quenching na tempering ọgwụgwọ. N'ihi na nnukwu forgings dị ka ekpuworo rotors na impellers, iji n'ụzọ zuru ezu igbari vanadium carbide na mma plasticity na siri ike, a normalizing pretreatment nwere ike rụrụ tupu quenching, ma ọ bụ a okpomọkụ ọgwụgwọ usoro nke abụọ normalizing na tempering nwere ike iji.
[5] 1Cr5Mo na Cr6SiMo ígwè.
Akara ule abụọ a nwere ihe ndị na-eme ka ọ bụrụ ihe kachasị elu na nchara na-eguzogide okpomọkụ pearlitic. Ha nwere ezigbo nguzogide okpomọkụ na nguzogide corrosion na mgbasa ozi mmanụ ala. A na-eji ha eme ihe na-emepụta pipeline na arịa maka akụrụngwa distillation mmanụ, ọkpọkọ ọkụ ọkụ na ndị na-agbanwe ọkụ, wdg, na-ejikwa ya dị ka stamping na-ekpo ọkụ, nfuli mmanụ ọkụ, valves, ndị na-ekpo ọkụ ọkụ na akụkụ ndị ọzọ. Ọtụtụ mgbe, ojiji okpomọkụ dị n'okpuru 650 ℃. Ebe ọ bụ na ígwè a bụ ígwè siri ike nke ikuku, eriri weld nwere nnukwu ike na adịghị mma plastic, n'ihi ya, a ga-eji nwayọọ nwayọọ mee ka ọ dị jụụ ma kpochapụ ya mgbe ịgbado ọkụ.
Na-ekpo ọkụ na-agbagharị (extruded enweghị nkebi ígwè tube): gburugburu tube billet → kpo oku → ịkpọpu → atọ mpịakọta cross rolling, na-aga n'ihu na-atụgharị ma ọ bụ extrusion → tube mwepụ → nha (ma ọ bụ ibelata) → jụrụ oyi → billet tube → ịgbatị → Nnwale nrụgide mmiri (ma ọ bụ ntụpọ). nchọpụta) → akara → nkwakọba ihe.
Oyi adọtara (akpọrela) ọkpọkọ nchara na-enweghị nkebi: okirikiri tube billet → kpo oku → ịkpọpu → isi → annealing → pickling → oiling (ọla kọpa) → ọtụtụ ihe osise oyi (mgbagharị oyi) → billet tube → ọgwụgwọ okpomọkụ → ịgbatị → Nnwale nrụgide mmiri (nchọpụta ntụpọ) → akara → nkwakọba ihe.
GB/T8162-2008 (nchara nchara anwụrụ maka nhazi). A na-ejikarị eme ihe maka usoro izugbe na nhazi igwe. Ihe nnọchianya ya (ụdị): carbon ígwè 20, 45 ígwè; Alloy ígwè Q345, 20Cr, 40Cr, 20CrMo, 30-35CrMo, 42CrMo, wdg.
GB/T8163-2008 (ọkpụkpọ igwe anaghị agba nchara maka ibufe mmiri mmiri). A na-eji ya eme ihe na injinia na nnukwu akụrụngwa na-ebufe pipeline mmiri mmiri. Ihe nnọchianya (akara) bụ 20, Q345, wdg.
GB3087-2008 (tube nchara na-enweghị nkebi maka ndị na-ekpo ọkụ na-adị ala na nke ọkara). A na-ejikarị ya na igwe ọkụ ụlọ ọrụ na igwe ọkụ ụlọ iji buo pipeline mmiri dị ala na nke ọkara. Ihe nnọchianya bụ 10 na 20 ígwè.
GB5310-2008 (tube igwe anaghị agba nchara maka igwe ọkụ ọkụ). A na-eji ya eme ihe maka oke okpomọkụ na nrụgide dị elu na-ebuga isi mmiri na pipeline na igwe ọkụ na ọdụ ọkụ na ụlọ ọrụ ike nuklia. Ihe nnọchi anya bụ 20G, 12Cr1MoVG, 15CrMoG, wdg.
GB5312-1999 (Carbon ígwè na carbon-manganese ígwè enweghị nkebi ígwè ọkpọkọ maka ụgbọ mmiri). A na-ejikarị ya maka ọkpọkọ nrụgide nke I na II maka igwe ọkụ mmiri na nnukwu ọkụ. Ihe nnọchianya bụ 360, 410, 460 ígwè akara ule, wdg.
GB6479-2000 (Paịpụ igwe anaghị agba nchara maka akụrụngwa fatịlaịza dị elu). A na-eji ya eme ihe maka ibuga pipeline mmiri dị elu na okpomọkụ dị elu na akụrụngwa fatịlaịza. Ihe nnọchi anya bụ 20, 16Mn, 12CrMo, 12Cr2Mo, wdg.
GB9948-2006 (ọkpụkpọ igwe anaghị agba nchara maka mgbawa mmanụ ala). A na-eji ya eme ihe na igwe ọkụ, ndị na-agbanwe ọkụ na pipeline mmiri nke ndị na-esi mmanụ mmanụ. Ihe nnọchi anya ya bụ 20, 12CrMo, 1Cr5Mo, 1Cr19Ni11Nb, wdg.
GB18248-2000 (tube igwe anaghị agba nchara maka cylinder gas). A na-ejikarị eme ihe dị iche iche gas na hydraulic cylinders. Ihe nnọchi anya ya bụ 37Mn, 34Mn2V, 35CrMo, wdg.
GB/T17396-1998 (Ọkụ nchara na-ekpo ọkụ na-ekpo ọkụ na-enweghị nkebi maka ihe eji eme hydraulic). A na-ejikarị eme coal mi hydraulic supports, cylinders and columns, na ndị ọzọ hydraulic cylinders na ogidi. Ihe nnọchi anya ya bụ 20, 45, 27SiMn na ndị ọzọ.
GB3093-1986 (nnukwu nchara enweghị nkebi ọkpọkọ maka mmanụ dizel). A na-ejikarị ya maka ọkpọkọ mmanụ dị elu nke sistemu injin dizel. A na-adọta ọkpọkọ ígwè n'ozuzu oyi, na ihe nnọchiteanya ya bụ 20A.
GB/T3639-1983 (oyi sere ma ọ bụ oyi-akpọrepu nkenke enweghị nkebi ígwè anwụrụ). A na-ejikarị ya maka ọkpọkọ ígwè eji arụ ọrụ arụ ọrụ na akụrụngwa nrụgide carbon nke chọrọ nha nha dị elu na imecha elu dị mma. Ihe nnọchianya ya bụ 20, 45 ígwè, wdg.
GB/T3094-1986 (oyi sere enweghị nkebi ígwè anwụrụ pụrụ iche ekara ígwè ọkpọkọ). A na-ejikarị ya eme akụkụ na akụkụ dị iche iche, na ihe ndị dị n'ime ya bụ nchara carbon structural nke dị elu na obere alloy structural steel.
GB/T8713-1988 (nkenke n'ime dayameta enweghị nkebi ígwè anwụrụ maka hydraulic na pneumatic cylinders). A na-ejikarị eme ọkpọkọ nchara na-enweghị ntụpọ nke oyi na-atụ ma ọ bụ oyi na-atụ nke nwere dayameta dị n'ime maka hydraulic na pneumatic cylinders. Ihe nnọchianya ya bụ 20, 45 ígwè, wdg.
GB13296-1991 (igwe anaghị agba nchara nchara maka ndị na-ekpo ọkụ na ndị na-ekpo ọkụ). A na-ejikarị ya na igwe ọkụ, igwe ọkụ ọkụ, ndị na-agbanwe ọkụ, condensers, tubes catalytic, wdg nke ụlọ ọrụ kemịkalụ. A na-eji ọkpọkọ nchara dị elu, nrụgide dị elu, corrosion na-eguzogide ọgwụ. Ihe nnọchi anya ya bụ 0Cr18Ni9, 1Cr18Ni9Ti, 0Cr18Ni12Mo2Ti, wdg.
GB/T14975-1994 (igwe anaghị agba nchara nchara anwụrụ maka Ọdịdị). A na-ejikarị ya maka ihe owuwu n'ozuzu (ụlọ oriri na ọṅụṅụ na ụlọ oriri na ọṅụṅụ) na nhazi usoro nke ụlọ ọrụ kemịkalụ, nke na-eguzogide ikuku na acid corrosion ma nwee ụfọdụ ike ígwè ọkpọkọ. Ihe nnọchi anya ya bụ 0-3Cr13, 0Cr18Ni9, 1Cr18Ni9Ti, 0Cr18Ni12Mo2Ti, wdg.
GB/T14976-1994 (igwe anaghị agba nchara ọkpọkọ maka njem mmiri). A na-ejikarị ya maka ọkpọkọ ndị na-ebu mgbasa ozi na-emebi emebi. Ihe nnọchi anya bụ 0Cr13, 0Cr18Ni9, 1Cr18Ni9Ti, 0Cr17Ni12Mo2, 0Cr18Ni12Mo2Ti, wdg.
YB/T5035-1993 (Pipụ igwe anaghị agba nchara maka mkpuchi axle ụgbọala). A na-eji ya eme ihe dị elu nke carbon structural ígwè na alloy structural steel na-ekpo ọkụ na-ekpo ọkụ na-ekpo ọkụ na-enweghị ihe ọ bụla maka ụgbọ ala ọkara-axle aka uwe na ụgbọala axle axle tubes. Ihe nnọchi anya ya bụ 45, 45Mn2, 40Cr, 20CrNi3A, wdg.
API SPEC5CT-1999 (Casing and Tubing Specification), bụ ụlọ ọrụ American Petroleum Institute (American Petroleum Instiute, nke akpọrọ "API") bụ ma wepụta ya ma jiri ya mee ihe n'akụkụ niile nke ụwa. N'ime ha: Casing: ọkpọkọ nke na-esi n'elu ala banye n'ime olulu mmiri ma na-eje ozi dị ka ihe mkpuchi nke mgbidi olulu mmiri. A na-ejikọta ọkpọkọ site na njikọta. Ihe ndị bụ isi bụ akara nchara dị ka J55, N80, na P110, yana ọkwa ígwè dị ka C90 na T95 nke na-eguzogide corrosion hydrogen sulfide. Igwe anaghị agba nchara (J55, N80) nwere ike welded ígwè ọkpọkọ. Tubing: Ọkpụkpọ a na-etinye n'ime ihe mkpuchi ahụ si n'elu ala ruo na akwa mmanụ. A na-ejikọta ọkpọkọ site na njikọta ma ọ bụ ihe jikọrọ ya. Ọrụ nke ngalaba mgbapụta bụ ibufe mmanụ sitere na akwa mmanụ na ala site na ọkpọkọ mmanụ. Ihe ndị bụ isi bụ J55, N80, P110, na C90, nke na-eguzogide ọgwụ corrosion hydrogen sulfide, nke American Petroleum Institute chịkọtara ma nye ya, a na-ejikwa ya n'ụwa nile.
