304 Izimbali Ezingagqwali Ze-Welding Elelding of Pipe

Bangaphinde babe nomthungo emvelweni. Ububanzi bemfihlo bokufakwa komthungo kuvela? amayintshi kuya kuma-intshi angama-24 kanye nokufakwa kwezinsimbi okufuywayo kusuka? amayintshi afinyelela kumasentimitha ayi-120 ubukhulu.

Ngokuphelele futhi okungasebenzi kahle, insimbi engenacala yinto ¡° eluhlaza ± par ubuhle. Eqinisweni, emkhakheni wezokwakha, izinga layo langempela lokutakula lisondele ku-100%.

I-ASME SA 240 ANS S32205 ama-elbows ayi-elbows ejwayelekile engaxhunyaniswa cishe kunoma yimuphi usayizi we-elbow. Lezi zindondo zitholakala ku-NPS? Ku-NPS 48 futhi kungashintsha ukuqondiswa kokugeleza kupayipi. Ama-elbows we-UNS 32205 anamandla kune-autenitic steress steress.

Umsebenzi wethu ukudala imikhiqizo emisha yabathengi enikeza okuhlangenwe nakho okuphezulu kokusebenza kwabangu-42

Ukuphikiswa okukhohlisayo kwe-ASME B16.9 Ama-316l Fittings aphezulu kakhulu uma kuqhathaniswa nebanga 316. Ngenkathi i-alloy 316l ingafakwa kalula ngezinqubo ezisetshenziswa kakhulu, iWerkstoff NR. kungukushisa kwe-post weld kuphathwe.

Insimbi engenasici kumele ibe okungenani i-10,5% chromium. Kuya ngebanga, kungaqukatha amazinga aphezulu aphezulu we-chromium, kanye nezithako ezengeziwe zokuqalisa njenge-molybdenum, nickel, titanium, i-aluminium, ithusi, i-nitrogen, phosphous noma i-pelenium.

Insimbi engenasici i-alloy yensimbi engamelana nokugqwala nokugqwala. Inama-chromium okungenani ayi-11% futhi ingaqukatha izinto ezifana nekhabhoni, ezinye izinsimbi nezinsimbi ukuthola ezinye izakhiwo ezifiselekayo. Ukuphikiswa kwensimbi engagqwali emiphumeleni yokugqwala kusuka ku-chromium, okwakha ifilimu nje engavikela lokho nokuzipholisa ekubeni khona komoya-mpilo
Isembozo se-Duct izesekeli ezisiza ukugcina ingaphakathi le-duct ihlanzekile ngenkathi ivimbela uthuli noma imfucumfucu ekungeneni i-duct. Ukufakwa kokufakwa okuthe xaxa kupayipi kuqinisekisa ukuphepha kokuthunyelwa ngepayipi. Sinikeza ngohlobo lwe-1-8 x 6mm

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.

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.

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.

Ezinye izinhlobo zokudonswa kwepayipi kwensimbi ziyi-butt welded, ama-elbows, ama-ellow, ukuhlanganisa, ukunciphiswa, ama-tees, ama-adaptha, amalunga nokuningi. Ezinye izici zalokhu kufanelekile ukumelana nokugqwala okuhle, ukumelana nokukhohlisa kanye nokuphikiswa kwama-crevice, amandla aphezulu aphezulu, amandla aphezulu, ukuqinisekiswa kwe-oxidation, ukuqina kwe-oxidation, izakhiwo zamakhemikhali, izakhiwo zamakhemikhali, izakhiwo zamakhemikhali zilindile. Ngaphezu kwalokho, isetshenziswa kulezi zicelo ezilandelayo embonini yamakhemikhali, e-pulp nephepha embonini, i-condenser, imboni ye-offshore, njll.

Sikhiqiza i-buttweld ye-buttweld kanye ne-weldwed stainless arbing 304 \ 30LL ukufakwa, insimbi engagqwali 304 \ 30l flanges kanye nensimbi engagqwali 30

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.

Izindlela ezibandayo zokugoba zivame ukuncika kumandla amakhulu omzimba ukusiza ukuletha ipayipi esimweni salo sokugcina ngenkathi izindlela ezishisayo zokugoba zisebenzisa ukushisa ngokucophelela ukunciphisa amandla adingekayo.

I-MSS-SP43 ende ye-radius elbows, iqonde futhi inciphise-on-the-outlet, amakhethini e-LAP, ama-radius 180 degree Return, usayizi wokunciphisa i-eccentric, usayizi we-eccentric odongeni: 1 \ 2

316 Futhi i-316l yi-autenitic alloys, okusho ukuthi le mikhiqizo yensimbi engagqwali izuze ukumelana nokugqwala ngokusetshenziswa kwe-carbide yensimbi noma isixazululo esiqinile sekhabhoni. Uma kuqhathaniswa ne-Chromium-Nickel Auntenitic Steel engenasici, i-316l yensimbi engenacala ine-creep ephakeme, ukugqokwa kwengcindezi kanye namandla ashubile emazingeni okushisa aphakeme.

I-MSS-SP75 ende radius elbows, ama-elbows ama-3r, ama-tees aqondile, anciphise ama-tees okuphuma, ama-cap, usayizi we-reducers: 16 "---- 8"

I-ASME B16.9 ama-elbows amade emile, i-radius ende enciphisa ama-elbows, ama-radius ama-radius ama-elbows, anciphise iziphambano, ukunciphisa iziphambeko eziqondile, ukunciphisa iziphambeko eziqondile, ama-cap, usayizi we-stlet: 4 \ 2 "-48" Wall Ubukhulu: Sch5S-Schxxs

Imikhiqizo ejwayelekile ye-A234 WPB Pipe Fittings iyi-elbows, tee, ama-cap, ama-cross.

Lokhu kufakwa nakho kumelana nokugqwala kwe-crevice ezindaweni ze-chloride ngenxa yokuqukethwe okuphezulu kwe-molybdenum nokuqukethwe kwe-nickel kanye nokugqwala okukhonkotha. Singomunye wabahlinzeki beBanga 316 ukusikwa kokufakwa. I-ASTM A403 GR WPS16 SS Reducer Tee iyinhlobonhlobo yokufakelwa kwamapayipha ukuxhuma amapayipi ama-3 ama-dipeter ahlukene futhi angenziwa ngokwezifiso ngokwezidingo zamakhasimende.

Ngokungeziwe kulezi zinzuzo zemvelo, insimbi engenasici ibuye ibe yinhlobo ebukeka kahle, inhlanzeko ngokweqile, okulula ukuyigcina, ihlala isikhathi eside, inikeza kakhulu izici ezahlukahlukene. Ngenxa yalokhu, insimbi engagqwali ingatholakala ezintweni eziningi zansuku zonke. Idlala indima evelele embonini yezimboni eziningi, kufaka phakathi amandla, ezokuhamba, ukwakha, ucwaningo, umuthi, ukudla nezinto zokudla.

I-304 Fittings ihlangabezana namazinga wensimbi angama-304 namazinga we-304L aphansi wekhabhoni. Ukufakelwa yizakhi ezisetshenziswa kwizimboni eziningi ezahlukahlukene ukuxhuma, nqamula, zilawule ukuhamba futhi zishintshe ukuqondisa kwamapayipi.

Okuqukethwe okuphezulu kwe-nickel kunikeza ukumelana kwe-alloy kokugqwala ngamakhompiyutha amaningi ezi-organic kanye ne-inorganic futhi kwenza kungavikelekile ku-chloride-ion ukuqhekeka ukugcwala kwengcindezi.

I-ASME B16.28 I-Radius Radius Elbows, i-radius emfushane ye-180-Deg Returns: 1 \ 2 "-24" Ubukhulu obudongeni: Sch5S-Schxxs

Uhlobo lwe-317L luyinsimbi e-auntebdenum-equkethe insimbi engenacala ye-auntenitic eyenzelwe ukuhlinzeka ngokumelana okungcono kokugqwala kunohlobo lwama-316l ezindaweni ezinama-complomive process, ikakhulukazi lawo aqukethe ama-chlorides noma amanye ama-haldes. Okuqukethwe okuphansi kwekhabhoni kuvumela i-317L ukuthi ifakwe ngaphandle kokugqwala kwezingxabano ngenxa yezulu le-chromium carbide emingceleni yokusanhlamvu. Uhlobo lwe-317L alunazibuthe ezingozini, kepha lungenziwa kancane kazibuthe ngokuthengisa.

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.

Ukucaciswa kwe-UNS S31803 (ASTM F51) kudluliselwe kakhulu yi-UNS S32205 (1.4462, ASTM F60). Lokhu kukhombisa isifiso sabo sokwandisa izakhiwo zokugqwala kwe-alloy, ngenxa yokuthuthukiswa kwenqubo yokwenza insimbi ye-AOD, okuvumela ukulawulwa okunzima kokwakheka. Ngaphezu kwalokho, kuvumela ukuthonya izinga lesengezo le-nitrogen kunokuba nje likhona njengento yangemuva. Ngakho-ke, amamaki aphezulu aphezulu kakhulu afuna ukukhulisa okuqukethwe kwe-chromium (CR), i-molybdenum (mo) ne-nitrogen (n).

I-Alloy 32750 i-Super Dumplex Insimbi Engagqwali enikezwe ezimweni ezishisayo ezisebenzayo nezixazululwa. Njengensimbi e-Super Dumplex Trainless, ihlanganisa izici ezifiselekayo zensimbi ye-auntenitic ne-Ferritic. I-Chromium ephakeme, okuqukethwe kwe-molybdenum kanye ne-nitrogen kuphumela ekunciphiseni okulinganayo (pren)> 40, ukuhlinzeka ngamakhono wokugqwala okuphakeme kanye nama-crevice aphezulu kuma-autenitic kanye nama-stepless sterings cishe yonke imithombo yezindaba eqinile, kanye namazinga okushisa abucayi ngaphezulu kwe-50¡ngÃc engaphezulu kwe-50¡ngä.

Enye yezinto ezikhathazayo ezinkulu nge-SS 304 efanelekayo izindleko zayo eziphansi ngokuqhathaniswa namanye ama-arloy asemphethweni we-alloy aphelele

I-ASTM engagqwali yensimbi engenacala Wp 321h ASTM \ ASME A403 WP 347, WP 363H

I-S31803 uhlelo lokufaka izinombolo oluhlanganisiwe (ama-UNS) lwensimbi yokuqala yensimbi engenacala. Uhlelo olungeyena lwakhiwa amaqembu amaningi okuhweba ngawo-1970s ukunciphisa ukudideka lapho i-alloy efanayo ibizwa ngezinto ezahlukene, futhi okuphambene nalokho. Insimbi ngayinye imelelwa yincwadi elandelwa izinombolo ezinhlanu, lapho incwadi imele uchungechunge lwensimbi, i.e. s ngensimbi engagqwali.

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