A na-ekewa ọkpọkọ igwe anaghị agba nchara n'ime ụdị abụọ: ọkụ na-ekpo ọkụ (extruded) ọkpọ ígwè na-ekpo ọkụ na oyi na-ekpo ọkụ (rolled) nchara nchara n'ihi usoro mmepụta ha dị iche iche.
Usoro nyocha: ikpo ọkụ na-ekpo ọkụ (extruded enweghị nkebi ígwè ọkpọkọ): gburugburu tube billet → kpo oku → ịkpọpu → mpịakọta cross cross, na-aga n'ihu ma ọ bụ extrusion → iwepụ tube → nha (ma ọ bụ ibelata) → jụrụ oyi → billet tube.
N'ihi ojiji ha dị iche iche, a na-ekewa ọkpọkọ igwe anaghị agba nchara n'ime ụdị ndị a: GB / T8162 (paịpụ nchara na-enweghị ihe ọ bụla maka ihe nhazi), Carbon steel No. 20 na No. 45 ígwè;Alloy ígwè Q345, 20Cr, 40Cr, 20CrMo, 30-35CrMo, 42CrMo, wdg.
GB / T8163 (ọkpụkpọ igwe anaghị agba nchara maka ịkwanye mmiri mmiri) .A na-ejikarị ya eme ihe maka ịnyefe pipeline mmiri na injinia na nnukwu ngwá ọrụ. Ihe nnọchiteanya (ọkwa) bụ 20, Q345, wdg.
GB3087 (ọkpụkpụ nchara na-enweghị ntụpọ maka ndị na-ekpo ọkụ na-ekpo ọkụ na-arụ ọrụ).
GB5310 (ọkpụkpụ nchara na-enweghị ihe ọ bụla maka ndị na-ekpo ọkụ na-ekpo ọkụ) .A na-ejikarị eme ihe maka okpomọkụ dị elu na nnukwu nrụgide na-ebufe isi mmiri na pipeline na ndị na-ekpo ọkụ na ọkụ ọkụ na ụlọ ọrụ nuklia. Ihe nnọchiteanya bụ 20G, 12Cr1MoVG, 15CrMoG, wdg.
GB5312 (carbon ígwè na carbon-manganese ígwè enweghị nkebi ígwè ọkpọkọ maka ụgbọ mmiri) .Ọ na-abụkarị eji maka Class I na II ọkpọkọ ọkpọkọ maka ụgbọ mmiri boilers na superheaters. ihe nnọchiteanya bụ 360, 410, 460 ígwè akara ule, wdg.
GB1479 (paịpụ igwe anaghị agba nchara maka akụrụngwa fatịlaịza dị elu) .A na-ejikarị ebugharị pipeline mmiri dị elu na mmiri dị elu na akụrụngwa fatịlaịza kemịkalụ. Ihe nnọchi anya bụ 20, 16Mn, 12CrMo, 12Cr2Mo, wdg.
GB9948 (paịpụ nchara na-enweghị ntụpọ maka petroleum cracking) .A na-ejikarị ọkụ ọkụ, ndị na-ekpo ọkụ ọkụ na pipeline na-ebufe mmiri na mmanụ mmanụ. Ihe nnọchiteanya ya bụ 20, 12CrMo, 1Cr5Mo, 1Cr19Ni11Nb na ihe ndị ọzọ.
GB3093 (elu nsogbu enweghị nkebi ígwè ọkpọkọ maka dizel engine) .It na-tumadi-eji maka elu-nrụgide mmanụ ụgbọala ọkpọkọ nke dizel engine injection systems.The ígwè ọkpọkọ bụ n'ozuzu a oyi mmasị ọkpọkọ, na onye nnọchiteanya ihe bụ 20A.
GB / T3639 (oyi-adọta ma ọ bụ oyi-akpọrela nkenke enweghị nkebi ígwè tubes) .Mainly eji maka n'ibu owuwu na carbon pịa akụrụngwa, ígwè ọkpọkọ chọrọ elu akụkụ ziri ezi na ezi elu finish.It nnọchiteanya ihe bụ 20, 45 ígwè na na.
GB / T3094 (oyi-adọta enweghị nkebi ígwè ọkpọkọ pụrụ iche ekara ígwè ọkpọkọ) .Ọ na-bụ-eji na-eme dị iche iche structural akụkụ na akụkụ, na ihe onwunwe bụ elu-edu carbon structural ígwè na ala alloy structural ígwè.
GB / T8713 (nkenke ime n'ime dayameta enweghị nkebi tubes nchara maka hydraulic na pneumatic cylinders) .A na-ejikarị eme ka ọkpọkọ ígwè na-ekpo ọkụ na-ekpo ọkụ ma ọ bụ oyi na-ekpo ọkụ na-eme ka ọ bụrụ nke ọma n'ime ya maka hydraulic na pneumatic cylinders. Ihe nnọchiteanya ya bụ 20, 45. ígwè na ihe ndị ọzọ.
GB13296 (igwe anaghị agba nchara tubes maka ndị na-ekpo ọkụ na ndị na-ekpo ọkụ na-ekpo ọkụ).A na-ejikarị ya na ndị na-ekpo ọkụ, ndị na-ekpo ọkụ ọkụ, ndị na-ekpo ọkụ ọkụ, condensers, tubes catalytic, wdg nke ụlọ ọrụ chemical. Ihe nnọchiteanya ya bụ 0Cr18Ni9, 1Cr18Ni9Ti, 0Cr18Ni1.2Mo2Ti, etc.
GB/T14975 (igwe anaghị agba nchara nchara anwụrụ maka structural were) .Ọ bụ tumadi ji maka general Ọdịdị (ụlọ oriri na ọṅụṅụ, ụlọ oriri na ọṅụṅụ) na chemical Enterprise n'ibu Ọdịdị eguzogide ikuku, acid corrosion na ígwè ọkpọkọ na ụfọdụ ike.Ya nnọchiteanya ihe bụ 0 -3Cr13, 0Cr18Ni9, 1Cr18Ni9Ti, 0Cr18Ni12Mo2Ti, wdg.
GB/T14976 (igwe anaghị agba nchara nchara ọkpọkọ maka mmiri ụgbọ njem) .A na-ejikarị maka pipeline na-ebuga mgbasa ozi corrosive. Ihe nnọchiteanya bụ 0Cr13, 0Cr18Ni9, 1Cr18Ni9Ti, 0Cr17Ni12Mo2, 0Cr18Ni12Mo2Ti, wdg.
YB / T5035 (enweghị nkebi ígwè tubes maka ụgbọala axle aro casings) .Ọ bụ tumadi na-eji na-eme elu-edu carbon structural ígwè na alloy structural ígwè ọkụ-akpọrepu enweghị nkebi ígwè tubes maka ụgbọala ọkara-axle casings na axle tubes maka ụgbọala axle housings. Ihe nnọchi anya ya bụ 45, 45Mn2, 40Cr, 20CrNi3A na ndị ọzọ.
API SPEC5CT (Casing and Tubing Specification) bụ American Petroleum Institute (American Petreleum Institute, nke a na-akpọ "API") na-ebipụta ma bipụta ya na ụwa niile.
N'ime ha, casing: ọkpọkọ na-esi n'elu ala banye n'ime olulu mmiri dị ka mkpuchi nke mgbidi olulu mmiri, na ọkpọkọ na-ejikọta ya na olu. dị ka C90 na T95 na-eguzogide ọgwụ corrosion hydrogen sulfide.
Ọkpụkpọ mmanụ: Ọkụ nke a na-etinye n'ime casing si n'elu ala gaa na akwa mmanụ, a na-ejikọta ọkpọkọ site na njikọ ma ọ bụ integrally. Ihe ndị bụ isi bụ J55, N80, P110, na ọkwa ígwè dị ka C90 na T95. na-eguzogide ọgwụ corrosion hydrogen sulfide.API SPEC 5L (Line Pipe Specification), nke American Petroleum Institute chịkọtara ma bipụta ya, na-ejikarị gburugburu ụwa. na ụlọ ọrụ gas site na ọkpọkọ ahịrị.
Ọkpụkpọ ahịrị na-agụnye ọkpọkọ enweghị nkebi na welded, na njedebe ọkpọkọ nwere njedebe dị larịị, eriri eriri na oghere oghere;usoro njikọ bụ njedebe ịgbado ọkụ, njikọ olu akwa, njikọ oghere, wdg. Isi ihe nke ọkpọkọ bụ B, X42, X56, X65, X70 na ọkwa ígwè ndị ọzọ.
Oghere ndị a na-eji maka ọkpọkọ ígwè welded bụ efere ígwè ma ọ bụ nchara nchara.N'ihi na ha dị iche iche ihe na usoro, welded ọkpọkọ na-ekewa n'ime ọkụ welded ọkpọkọ, eletriki ịgbado ọkụ (na-eguzogide ịgbado ọkụ) ọkpọkọ na akpaka arc welded ọkpọkọ. N'ihi na njedebe ya udi, ọ na-ekewa n'ime gburugburu welded ọkpọkọ na pụrụ iche (square). flat, wdg) ọkpọkọ welded maka ebumnuche dị iche iche, wee kewaa n'ime ụdị ndị a:
GB/T3091 (galvanized welded steel pipe for low-pressure fluid transfer) .A na-ejikarị ebugharị mmiri, gas, ikuku, mmanụ na mmiri ọkụ ma ọ bụ uzuoku na ihe ndị ọzọ n'ozuzu ala nrụgide na ihe ndị ọzọ. Ihe nnọchiteanya ya bụ Q235A ọkwa ígwè. .
GB/T3092 (galvanized welded steel pipe for low-pressure fluid transfer) .A na-ejikarị ebugharị mmiri, gas, ikuku, mmanụ na kpo oku mmiri ọkụ ma ọ bụ uzuoku na ndị ọzọ n'ozuzu ala nsogbu mmiri na ndị ọzọ purpose.It nnọchiteanya ihe bụ: Q235A ọkwa. ígwè.
GB/T14291 (welded ígwè ọkpọkọ maka m mmiri mmiri conveyance) .It na-tumadi eji maka ogologo onuete welded ígwè ọkpọkọ maka m abịakọrọ ikuku, drainage, na aro ihapu gas.Its nnọchiteanya ihe bụ Q235A na B ọkwa ígwè.
GB / T14980 (Large-diameter electric-welded steel pipes maka nnyefe mmiri dị ala) .A na-ejikarị ebufe mmiri, nsị, gas, ikuku, uzuoku ọkụ na mmiri ndị ọzọ dị ala na ihe ndị ọzọ. Ihe nnọchiteanya ya bụ ọkwa Q235A. ígwè.
GB/T12770 (igwe anaghị agba nchara welded ígwè ọkpọkọ maka n'ibu owuwu) .A na-ejikarị ígwè, ụgbọ ala, ịnyịnya ígwè, arịa ụlọ, ụlọ oriri na ọṅụṅụ na ụlọ oriri na ọṅụṅụ na ndị ọzọ n'ibu akụkụ na structural parts.Its nnọchiteanya ihe bụ 0Cr13, 1Cr17, 00Cr19Ni11, 1Cr18Nb18,Ni19,Nii19 , wdg.
GB/T12771 (igwe anaghị agba nchara welded ígwè ọkpọkọ maka njem mmiri) ihe nnọchiteanya bụ 0Cr13, 0Cr19Ni9, 00Cr19Ni11, 00Cr17, 0Cr18Ni11Nb, 0017Cr17Ni14Mo2, wdg.
Oge nzipu: Feb-14-2023