I-copyright © zhengzhou Huitong Pipeline Equipment Co, Ltd. Wonke Amalungelo Agodliwe

I-ASTM A234 (ASME SA234) iyincazelo ejwayelekile yekhabhoni ne-alloy yensimbi yamapayipi ngezinsizakalo zokushisa eziphakeme neziphezulu.

Ama-a234 wpb ensimbi fittings asho ukuthi ipayipi lifaneleke yiphi impahla ye-ASTM A234 WPB, isetshenziselwa ukwakheka kwe-Piping Services of the Carbon Insimbi, isho ukuthi i-Weldable, B isho ibanga, bheka Ibanga B, bhekisa ku Amandla aphansi wesivuno, njenge-ASTM A106 A106 A10, gr.b noma i-API 5l Gr.b.A234 wpb okujwayelekile kwe-Carbon Stone Fittings.

Lokhu kufanele kube yingxenye yohlelo lokuhambisa uketshezi (uwoyela, igesi, umusi, amakhemikhali, ...) ngendlela ephephile futhi ephumelelayo, amabanga amafushane noma amade.

Amandla asheshayo nesisindo - zombili zensimbi ye-carbon nensimbi engenasici ziphakeme kakhulu ngamandla ashubile nesisindo. Izicelo zokuphawula zincike kwizidingo zohlelo lokukhiqiza isicelo. I-couctity yokuqukethwe incike egameni ngesikhathi sokukhishwa, okufana nalo womabili ama-alloys. Imvamisa lokhu kufakwa kumisiwe; I-Metalworkganing ingalindela imiphumela efanayo phakathi kwezinto ezimbili. Abakhiqizi bafuna izinto ezinezinto ezinesidingo esidingekayo, njengokungeza i-aluminium ngensimbi engenacala, ngenxa yokumelana kwayo kokugqwala.

I-Hastelloy B2 BEDING BELNOLUNE Isixazululo esiqinile saqiniswa, i-nickel-molybdenum alloy, ngokumelana okukhulu ekunciphiseni izindawo ezifana ne-hydrogen chloride igesi, kanye ne-sulfuric, i-acetic ne-phosphoric acids.

I-Alloy C22 ingenye ye-alloys engamelana nokugqwala okutholakalayo, ngisho ne-efterform C276 no-625. Kuyamelana cishe nakho konke ukunciphisa izimo kanye nama-oxidizers, kufaka phakathi ama-oxidizers aqinile, amanzi olwandle kanye nama-organic acid.

Thayipha insimbi engama-304 engagqwali inguchungechunge lwe-T 300 lwensimbi engagqwali i-auntenitic. Inobuncane be-chromium engu-18% ne-8% nickel, ehlanganiswe ne-carbon engu-0.08%. Kuchazwa njenge-Chromium-Nickel Auntenitic Alloy.304 Insimbi Engagqwali isetshenziselwa izinhlelo ezahlukahlukene zezindlu nezimboni njengokuphatha ukudla kanye nemishini yokucubungula, izikulufu, kanye nama-mainchlils. I-304 Insimbi Engagqwali nayo isetshenziswa emkhakheni wezakhiwo ukuze ama-accents angaphandle anjengezici zamanzi nezici zomlilo. Kubuye kube yinto evamile yekhoyili yama-vaporizers.

Kungamelana ngempumelelo nokugqwayiza kwe-chloride ion ukuqina, futhi kubuye kube nokumelana kahle nokugqwala nokuqina okuhle ku-oxidizing kanye nokunciphisa imidiya.

Imiphumela ehlanganisiwe yokucutshungulwa kwemishini nokushisayo kwe-Incoloy Alloy 800ht ivumela ukucindezelwa okuphezulu kwe-Design Okungafakwa kulokho okuvunyelwe ku-Alley 800h.

I-Butt Weld Pipe Fitting yenzelwe ukuthi ifakwe kwisayithi ezindaweni zayo (ama) ukuxhuma amapayipi (s) ndawonye futhi avumele ushintsho kububanzi obuhle noma ngepayipi, noma ephepheni noma ekuphelisweni.

I-SMLS ye-Carbon Ston A234 WPB SMLS ingumkhiqizo ongenamthungo onciphisa ububanzi be-pipeline.Unless echazwe ngamapuleti ensimbi e-carbon noma ishidi, insimbi ingenziwa ngokusanhlamvu okumabalazeli noma okuhle okusanhlamvu. Yikuphi i-ASTM A234 WP9 yokwenziwa umkhuba omuhle wokusanhlamvu.

Uma kuqhathaniswa ne-Chromium-Nickel Auuntenitic Steel engenasici, i-316l yensimbi engenasici inikeza ama-creep aphezulu, ukucindezelwa ukugqokwa kanye namandla ashubile emazingeni okushisa aphakeme.

Ukuze udlulise ipayipi, kuyadingeka ukususa i-hose eqondile epayipini. Lapho usebenzisa amapayipi ahlukahlukene, kufanele kusetshenziswe amapayipi ahlukahlukene. Lapho kusetshenziswa ipayipi, i-elbow kumele isetshenziselwe ukushintsha usayizi wepayipi. Lapho u-bifurcating, ipayipi elinezindlela ezintathu i-Flange uxhumano olusetshenzisiwe lapho i-joint isetshenziswa ama-pipeline ahlukahlukene amahle, ukuze ifinyelele ekukhuliseni okuhlangene noma ukugcwaliswa okuhlangene okuhlangene noma ukukhishwa okusebenzayo okubandayo kanye nokuhlangana okubandayo okuhlanganisiwe kusetshenziselwa ukuxhumana kwepayipi. , Ekuxhumaneni kwamathuluzi ahlukahlukene, kukhona nezixhumi nama-plugs esigaba sensimbi.

Ama-S32205, S31803 Dumplex Fittings Fittings iyinsimbi ye-auntenitic-Ferritic yensimbi engenakumelana nokuqina okuphezulu namandla aphezulu. Inokuzenzisa okuhle futhi ingathengiswa ngezindlela ezahlukahlukene. Ibanga 1.4462 (eyaziwa nangokuthi yi-EXS S31803 \ S32205, F52 ne-SS2377) Ukufakwa okulimazayo kwensimbi engahambisani ne-acid acive ukumelana namandla aphezulu kanye nezakhiwo ezinhle kakhulu zokugqwala.
Ngemuva kokusebenza okushisayo, anvel the tube ngokushisa kuya ku-1725 no-1850 okungenani uhhafu wehora ukufanisa ukushuba kwe-intshi okubonwa ngamanzi. Ukugqwala kwe-incranular (IGC) kumapayipi okufakwayo, owaziwa nangokuthi ukugqwala kwe-corrosion (IGA), kuyindlela yokugqwala lapho imingcele ye-crystallite yezindwangu isetholwa kakhulu ekugculweni. Ama-Fittings we-UNS30403 angashisa kahle akhethwe ngamabutho afana kakhulu nalezo ezidingekayo ukudlula ngensimbi ye-auntenitic.

Ibanga 430 yi-chrititic, i-chromium eqondile, ibanga elingaxakile, elihlanganisa ukumelana kahle nokuqina kokuqina kanye nezimpawu zokwenza izinto eziwusizo. Amandla awo okumelana nokuhlaselwa kwe-nitric acid avumela ukusetshenziswa kwawo kuzinhlelo ezithile zamakhemikhali kepha izitho ze-arfance trim kanye nezinto zokusebenza zimele izinkambu zayo ezinkulu kakhulu zohlelo lokusebenza.

I-reducer ivumela ushintsho kusayizi wepayipi ukuze ahlangabezane nezidingo zokugeleza noma ukuzivumelanisa nezimo ezikhona. Ubude bokwehliswa buvame ukulingana nesilinganiso sama-maameter amakhulu namancanyana. Ama-reducers ajwayele ukuhlangana, kepha ama-eccentric anciphisayo angasetshenziswa ukugcina izinga eliphakeme eliphakeme noma eliphansi lepipi.

I-Incoloy 800h ibanga eliphakeme lekhabhoni lalawa ma-alloys angama-800. Lama-alloys abonisa ukumelana okuhle nokubhekwa kwe-post-weld kanye nokubeletha. Bahlala buhle isikhathi eside ezinsukwini ezinamazinga okushisa ngaphansi kwama-degree angama-700 Celsius.

Ukuchithwa kwamapayipi we-N04400 butt Futhi kubhekiswe njenge-WNR 2.4360 Butt Weld Pipe Fittings, inezakhiwo ezinhle kakhulu zemishini ezivela kumazinga okushisa aphezulu afinyelela ku-1020¡oà f. I-Alloy 400 (ukuncishiswa kwe-eccentring) Ukufakwa kwamapayipi we-Weld, ukufakwa kwamapayipi we-butt welt weld, nokuningi.
I-Monel 400 Alloy inezindawo eziningi ezinhle kakhulu zemishini, okwenza kwadume ngokufakwa kwamapayipha. Ama-monel 400 amapayipi ukufakwa kwamapayipi anganikeza ukusebenza okuphezulu. Kuyi-alloy ye-nickel ne-zethusi, ngenani elincane lensimbi, i-manganese, ikhabhoni kanye ne-silicon okuqukethwe. Ukwakheka kwamakhemikhali kwama-alloy 400 amapayipi okufakwayo kuphumela emandleni ayo aphezulu. Umkhiqizi okhethekile we-Monel Fittings e-India futhi ugxile ekukhiqizeni ikhwalithi ephezulu yalezi zinto ezifunwa ngepayipi ngenxa yokufunwa kwayo okuphezulu ezimbonini ezahlukahlukene- ama-alkali yisizathu esikhulu ngemuva kwalokho. I-alloy 400 buttweld elbow nayo ine-decticiled enhle, ukuqhutshwa okushisayo, futhi kungaqiniseka kuphela ngokusebenza okubandayo.

I-ASTM A403 WPP30H inokuqukethwe okuphezulu kwekhabhoni ezikhaleni zamakhemikhali.Izincwadi ze-a403 a403 a403 a403 a403 a403 a403 a403 a403 a403 a403 anex3 I-WPP304H uhlobo lokushisa lokushisa nokugqwala kwensimbi evimbile.Inokugoba amapayipi okuhle, ukufudumala kwe-welding, ukushisa nokuqina kokugqwayiza, amandla okushisa aphezulu nokuqina, kungasetshenziswa amazinga okushisa afinyelela ku-850¡Ãc, afinyelela ku-850¡Ãc, afinyelela ku-850¡Ãc, afinyelela ku-850¡Ãc.

Ama-elbows we-Duplex EXS32205 asetshenziswa lapho ukuqondiswa kwepayipi kufanele kuguqulwe futhi kunokucindezelwa okuncane odongeni lwamapayipi. I-Elbow ingenye yezesekeli ezisetshenziswa kakhulu. Ukufakelwa okuningi kunezikhonkwane ezimnandi ezisukela ku-1 \ 8 "kuya ku-42".

1.4529 Ikhodi Yezinombolo ZaseJalimane. Insimbi embi kakhulu ye-Super Dumplex, izakhi eziphambili: 20cr-25ni-6mo-1cu-0,2N ezihambelana ne-United States: N08926, 254smo ...

1.4529 (uns N08926) Unokumelana okuphezulu kakhulu ekugcekeni okukhohlisayo kanye nokugqwala kwama-crevice emithonjeni yezemithombo ye-halide nasezindaweni ezinama-acidic aqukethe isibabulfur ne-hydrogen

Le alloy imelana kakhulu ne-nickel ngaphansi kwemibandela yokunciphisa izimo futhi imelana kakhulu kune-zethusi ngaphansi kwezimo ze-oxidizing, ikhombisa ukumelana kangcono nokunciphisa imidiya kune-oxidizing.

I-A234 WPB PIPITS Fittings, ASTM A234 Fittings fipe, carbon lensimbi

Ukuvimbela ukuzwela kanye nokugqwala okuvela komoya, kuthwala i-niobium. Inokumelana okuthuthukile kwe-SCC ekubizeni i-20% kuya ku-40% sulfuric acid. Ayikho ama-weld ama-weld noma amakhambi angemuva we-wewld ayadingeka ku-WNR 1.4306 Fittings Pipe. Kwenziwa ngaphandle kobunzima ngokusebenzisa ubuciko bendabuko bezentengiselwano.

Izakhiwo zemishini zingcono kancane kune-904L, futhi zingasetshenziswa ekwenziweni kwemikhumbi yengcindezi kusuka ku--196 kuya ku-400 ¡Ãc.

Ukuze udlulise ipayipi, kuyadingeka ukususa i-hose eqondile epayipini. Lapho usebenzisa amapayipi ahlukahlukene, kufanele kusetshenziswe amapayipi ahlukahlukene. Lapho kusetshenziswa ipayipi, i-elbow kumele isetshenziselwe ukushintsha usayizi wepayipi. Lapho u-bifurcating, ipayipi elinezindlela ezintathu i-Flange uxhumano olusetshenzisiwe lapho i-joint isetshenziswa ama-pipeline ahlukahlukene amahle, ukuze ifinyelele ekukhuliseni okuhlangene noma ukugcwaliswa okuhlangene okuhlangene noma ukukhishwa okusebenzayo okubandayo kanye nokuhlangana okubandayo okuhlanganisiwe kusetshenziselwa ukuxhumana kwepayipi. , Ekuxhumaneni kwamathuluzi ahlukahlukene, kukhona nezixhumi nama-plugs esigaba sensimbi.

I-Butt Weld Pipe Fitting yenzelwe ukufakwa esizeni emaphethelweni (ama-Peap) ahlanganise ndawonye futhi avumele ushintsho kububanzi bokuhambisa noma nge-zhengzhou Huitong Pipeline Equipment Co, Ltd.

Ezimweni eziningi, lokhu kufanelekile ukulingana nephrofayili ukuze kwenziwe lowo msebenzi owenziwe kabusha.I-ASMM ahlukahlukene aswm astm asTM \ ASME endile evamile ye-ASTME \ ASTM, sihlinzeka nge-A234 wpb carbon

I-ASTM A 403 WP 316L ihlala isikhathi eside kakhulu kuwo wonke ama-acidic kanye namakhemikhali. Ibanga linekhono elithile elishisekayo lama-500 kwa-20 \ kg k. Imodyuli ye-a403 ye-WPP3PL inamandla amancane angu-485MPA anamandla okuthengwa ane-170MPA ane-40% ohlelweni.

I-reducer ivumela ushintsho kusayizi wepayipi ukuze ahlangabezane nezidingo zokugeleza noma ukuzivumelanisa nezimo ezikhona. Ubude bokwehliswa buvame ukulingana nesilinganiso sama-maameter amakhulu namancanyana. Ama-reducers ajwayele ukuhlangana, kepha ama-eccentric anciphisayo angasetshenziswa ukugcina izinga eliphakeme eliphakeme noma eliphansi lepipi.