
Dhuumaha nadaafadda
Fasalada: 304L/316L heerka; duplex 2205 ee warbaahinta adag.
Cabirka: OD 0.5-12 in, dulqaad adag oo ku habboon.
QA: MTC 3.1, NDT, PMI si loo helo raadraac buuxa.
Iibka: Cabirka kaydka/caadada, dahaarka, TPI iyada oo loo marayo tuubada Octal.
Dhuumaha nadaafadda(badanaa lagu qeexaa sidatuubada nadaafadda) waa tuubo aan wasakh lahayn oo loo sameeyayadeegga nadaafadda, halka ay qasab tahay in tuubooyinku yaalla nadiifin karo, aan - wasakhayn, iyo kormeer - saaxiibtinimo leh. Ficil ahaan, "nadaafadda" waxaa lagu qeexaygudaha - xaalada dusha sare iyo dhaqanka been abuurka: siman, cilad{0}}Aqoonsi la kontoroolo oo aan dabin badeecada, OD/WT deggan oo ku habboon isku xidhka joogtada ah{1}}korka iyo alxanka orbital, iyo dhammayn hoos hayn karaCIP/SIP wareegyadaiyo dhaqid joogta ah oo aan dhibaato nadiifin ah noqon.
Inta badantuubooyinka nadaafadda ahamaamarrada la isticmaalo304/304L ama 316/316L, laakiin waxqabadka inta badan waxaa go'aamiya waxa la qoray ee ka baxsan fasalka:heerka dhammaynta (tusaale, BA marka dhalaalka iyo haynta hoose - kor u kaca), dulqaadka cabbirka/ qummanaanta, shuruudaha aqbalaadda dusha, iyo caddaynta siideynta(raadin kulaylka + MTC) taas oo u ogolaanaysa tubbada in ay dhaafto baadhista oo toos u aado rakibaadda.
ASTM A270 tuubooyinka birta aan nadiifka ahayn waxay siisaa tayada sare ee dusha sare ee nidaamyada nadaafadda cuntada, cabitaanka, iyo warshadaha dawooyinka, halkaasoo nadaafadda iyo iska caabbinta daxalka ay muhiim u yihiin. Tuubadani waxa ay taageertaa nadiifka ah{2}} gudaha-meel (CIP) oo nadiifi -guda- hababka (SIP), iyada oo yaraynaysa khatarta faddaraynta ee warbaahinta xasaasiga ah sida biyaha la safeeyey ama caanaha. Octal Pipe waxay bixisaa saamiyada buundooyinka austenitic-ka caadiga ah, hubinta u hoggaansanaanta heerarka caalamiga ah ee waxqabadka la isku halayn karo.

U Hogaansanaanta iyo Heerarka
Tubooyinka nadaafadda ee Octal Pipe's ASTM A270 waxay u hoggaansamaan ASTM A270/A270M qeexida kuwa aan fiicneyn iyo kuwa alxanka leh ee austenitic iyo ferritic/austenitic, oo ay ku jiraan shuruudaha dheeriga ah ee tayada dawooyinka. Waxay la jaanqaadaysaa ASME BPE qalabka bioprocessing-ka iyo ISO 2037 ee cuntada Si loo wanaajiyo adkeysiga deegaanka chloride, xulashooyinka laba-laabka ah sida 2205 waxay la kulmaan shuruudaha ASTM A270 oo leh baaritaan dheeri ah.
BA dhame fayodhowrka birta aan birta lahayn
BA (Bright Annealed)Tuubooyinka nadaafadda ayaa la doortaa marka iibsadayaashu rabaan adhalaal, oogada simantaasi waxay yaraynaysaa xajinta alaabta {{0} kor oo gaabinaysa wakhtiga nadiifinta - ee caanka ku ah caanaha, cabitaanka, waxyaalaha la isku qurxiyo, iyo khadadka utility dawada. Marka la barbar dhigo guud -ujeedada tuubooyinka wasakhda, tuubooyinka fayadhowrka BA ayaa aad ugu nugul anshaxa wax soo saarka: marka dhumucda gidaarka ay korodho, ilaalintagidaar lebbisan, Dhammaystirka OD/ID deggan, iyo muuqaalka joogtada ahi wuu sii adkaan doonaa, iyo kharashka dhamaystirka ayaa kor u kaca si waafaqsan. Sababtaas awgeed, amarada BA waxaa sida caadiga ah lagu xakameeyaa sifaynta iibka cad: darajada (304L/316L), cabbirka, shuruudaha dhammaystirka, shuruudaha aqbalaadda (xaaladda dusha sare / xakamaynta cabbirka), iyo xirmada dukumeentiga ee sii deynta.


Halabuurka Kiimikada iyo Guryaha Makaanikada
Xadadka kiimikada ee ASTM A270 waxay xaqiijiyaan iska caabinta godad iyo daxalka walbahaarka, halka guryaha farsamada ay dammaanad qaadayaan hufnaanta cadaadiska nidaamka ASME B31.3.
| Darajo | C max (%) | Mn max (%) | P max (%) | S max (%) | Cr (%) | Ni (%) | Mo (%) |
|---|---|---|---|---|---|---|---|
| 304 | 0.08 | 2.00 | 0.045 | 0.030 | 18.0-20.0 | 8.0-11.0 | - |
| 304L | 0.035 | 2.00 | 0.045 | 0.030 | 18.0-20.0 | 8.0-13.0 | - |
| 316 | 0.08 | 2.00 | 0.045 | 0.030 | 16.0-18.0 | 10.0-14.0 | 2.0-3.0 |
| 316L | 0.035 | 2.00 | 0.045 | 0.030 | 16.0-18.0 | 10.0-14.0 | 2.0-3.0 |
Tijaabada makaanikada waxaa ka mid ah xajin iyo xoog wax-soo-saar, oo leh qaabayn taageero oo fidsan inta lagu jiro rakibidda. Marka loo eego 316L, awoodda ugu yar ee xajinta waxay gaartaa 515 MPa, soo saarista 205 MPa, iyo dhererka 35%, oo lagu xaqiijiyay hababka ASTM E8.
Habka Wax-soo-saarka iyo Xaqiijinta Tayada
Tuubooyinka aan cillad lahayn ee hoos yimaada ASTM A270 waxay ku bilowdaan extrusion ama dalool, oo ay ku xigto sawir qabow oo sax ah. Kala duwanaanshaha alxanka ayaa isticmaala alxanka TIG oo otomaatig ah iyada oo aan buuxin, oo leh qabow aad u daran - doorashooyin la shaqeeyay oo codsanaya in ka badan 35% dhimista gidaarka ka hor inta aan la tirtirin si loo mideeyo qaabdhismeedka. Soo saarista dhalaalka u dambaysa ee jawiga hydrogen waxay hubisaa oxide{5}} sagxadaha xorta ah, oo lagu kabo korantada ee Ra Wax ka yar ama la mid ah 0.4 μm halka lagu cayimay.
Nidaamyada tayada waxaa ka mid ah tijaabinta hydrostatic ilaa 1.5 jeer cadaadiska naqshadeynta, qulqulka hadda jira ee cilladaha, iyo hubinta profilometer ee ASME B46.1. Baadhitaannada Borescope waxay xaqiijinayaan qulqulka alxanka, halka aqoonsiga alaabta togan (PMI) ay xaqiijiso kimistariga. Shahaadooyinka tijaabada Milli ee EN 10204 3.1 waxaa ku jira diiwaannada daaweynta kulaylka iyo warbixinnada NDT.
Tuubooyinka Nadaafadda ee Birta Aan-La'aanta Ahayn (A270) - Kala-duwanaanta Sahayda & Waxa aanu Xigasho
Dulqaadyada ASTM A270 waxay xaddidaysaa kala duwanaanshaha OD ilaa ± 0.13 mm cabbirrada ka hooseeya 1 in, oo miisaankeedu yahay ± 0.38 mm tuubooyinka waaweyn, oo dhumucdiisuna aanay hoos imanayn wax ka badan 12.5%. Toosannimadu waxay haysaa 0.5% dhererka, iyada oo taageerta rakibaadyada la daadin karo.
Saamigu wuxuu xooga saarayaa welded iyo si aan kala go 'lahayn gudaha304L iyo 316L, oo dhererkiisu yahay 6 mitir si wax looga qabto si hufan. Miisaanka ayaa isticmaala 0.02466 iskudar la hagaajiyay +1.2% waaqiciga-miisaanka kama dambaysta ah ee ku xidhan miisaanka dhabta ah. Cabbirrada waa la habeyn karaa; cabbirrada aan liiska ku jirin ayaa la heli karaa haddii la codsado.
Baadi goob iibsade badan ayaa soo degayaTuubooyinka nadaafadda ee birta ah (A270)sababtoo ah A270 waa tixraac mashruuc caadi ah oo loogu talagalay tuubooyinka nadaafadda. Octal Pipe waxay taageertaa sahayda tuubooyinka nadaafadda sida wadooyin aan toos ahayn iyo kuwo alxan leh, oo lagu soo xigtay heer dhammays tiran (ay ku jirto BA marka loo baahdo) iyo raadraac badan.
| OD (gudaha/mm) | WT (gudaha/mm) | Darajo | Dhererka (m) | Qaybo | Miisaanka (MT) |
|---|---|---|---|---|---|
| 1 / 25.4 | 0.035 / 0.89 | 304L | 6 | 200 | 2.1 |
| 1 / 25.4 | 0.065 / 1.65 | 316L | 6 | 180 | 3.5 |
| 1 / 25.4 | 0.083 / 2.11 | 304L | 6 | 150 | 4.2 |
| 1.5 / 38.1 | 0.035 / 0.89 | 316L | 6 | 160 | 3.3 |
| 1.5 / 38.1 | 0.065 / 1.65 | 304L | 6 | 140 | 5.1 |
| 1.5 / 38.1 | 0.083 / 2.11 | 316L | 6 | 120 | 6.0 |
| 2 / 50.8 | 0.035 / 0.89 | 304L | 6 | 130 | 4.4 |
| 2 / 50.8 | 0.065 / 1.65 | 316L | 6 | 110 | 6.8 |
| 2 / 50.8 | 0.083 / 2.11 | 304L | 6 | 100 | 8.1 |
Diiwaanada kormeerka (MTC 3.1/3.2, warbixinada NDT) ayaa la heli karaa marka la codsado.
Alaab-qeybiyeyaasha Dhuumaha Fayodhowrka - Waxa ay tahay Iibsadayaasha inay qiimeeyaan ka hor inta aan la sii deyn
Marka baaritaankaalaab-qeybiyeyaasha tuubooyinka nadaafadda, sida ugu dhakhsaha badan ee lagu xakameyn karo {{0}khatarta goobta waa in la baarola qiyaasi karoShayada kaxeeya nadiifinta, ku haboon{0}soosaarka kor u kaca, iyo xawliga sii daynta-gaar ahaantuubooyinka nadaafadda ahamabaakadaha (ASTM A270 tube nadaafadda).
Dhamaystirka dusha sare (ID) & aqbalida nadaafadda
- Qeex bartilmaameedka qallafsanaanta aqoonsiga ee ku habboon habka nadiifinta:Ra In ka yar ama la mid ah 0.8 μmcaadi ahaan waa la aqbalaa tuubooyinka CIP/SIP; sifooyin adag ayaa lagu dejin karaaRa In ka yar ama la mid ah 0.4 μm, iyo mashaariicda u baahan ansaxinta - dusha sare ee darajada waxa laga yaabaa inay codsadaan in la iftiimiyo ilaa0.2 μm Ra.
- Ka dhig aqbalaadda mid muuqata: baahanhubinta profilometer(diwaanka qalafsanaanta dusha sare) oo cadee waxa loo tiriyo in la diidi karo aqoonsiga/OD (tusaale, xagashada, godadka, calamadaha bidhaaminta, midabka)by sawiro ama cillad xad-sidaa darteed helista kormeerku maaha mid la taaban karo.
- Dhuumaha Octal waxay caadi ahaan PO-ga ku toosisaa ala qiyaasi karosii dayn:diiwaanka profilometer (Ra warbixinnada) tiro ahaan, oo lagu daray luqadda diidmada cad ee ID/OD (godadka, dhibcaha joogtada ah, midabka) markaa helitaanka kormeerku maaha mid shakhsi ahaaneed.
Cabbirrada & toosnaanta (maxaa alxanka orbital iyo isku dhejinta kala goysyada xasiloon)
- Quful daaqada cabbirka xagga hore: kala duwanaanshaha OD ee fayadhowrka guud waa0.5-12 inji.
- U wac dulqaadashada PO si aysan been-abuurku "laga helin" goobta: Dulqaadka OD wuxuu noqon karaa mid adag sida± 0.13 mm(waayo<1 in), scaling up to ± 0.38 mmqiyaaso waaweyn; Dhumucda gidaarka ayaa sida caadiga ah loo xakameeyaa si ay tahayaan hoos imanayn in ka badan 12.5%; toosnaanta inta badan waa la qabtaa0.5% dhererkasi ay u taageeraan marin la daadi karo iyo toosinta xajin la saadaalin karo.
Kontoroolka tollaynta tuubada fayodhowrka ee alxanka leh - ka dhig caddaynta aqbalaadda{1}} ku salaysan
- Tuubbada fayadhowrka ee alxanka leh, tollayntu maaha summada haa/maya. Iibsadayaasha badanaa waxay u baahan yihiin hab cad: si toos ahalxanka TIG(badanaa iskiis), iyo hab kormeer oo caddaynaya xaaladda gudaha.
- Dhuumaha Octal ayaa caadi ahaan taageerabaadhista hadda jirtaloogu talagalay xakamaynta cilladda tuubada waxayna ku dari kartaajeegaga tollaynta borescopedhererka wakiillada marka khadka uu xasaasi yahay -muhiim ah (si looga hortago soo daahay{1}}dib u shaqaynta marxaladda kadib rakibidda).
Qiimaha Dhuumaha Fayodhowrka - Maxaa Dhaqaaqaya Qiimaha
Qiimaha dhuumaha nadaafaddainta badan waxaa dhaqaajiya tiro yar oo doorsoomayaal dhab ah:darajada (304L vs 316L), shuruudaha dhamaystirka (BA iyo filashooyinka dusha adag), cabbirka (OD/WT), iyoxirmo sii daayo(heerka raadinta, baaxadda tijaabada, iyo cid saddexaad oo markhaati ah-). Mashaariicda nadaafadda, "tubbada ugu raqiisan" badiyaa waxay noqotaa tan ugu qaalisan marka dib-u-nadiifinta, la diido, ama alxanka dib loo tiriyo. Isbarbardhigga xigashada nadiifka ah waa in lagu toosiyo saddex sadar alaab-qeybiyeyaasha: isla tixraaca caadiga ah (tusaale, A270 marka ay khuseyso), sharraxaadda dhammaystirka isla, iyo isla caddaynta sii deynta ee looga baahan yahay helitaanka.
Meesha Mashaariicda Tubooyinka Nadaafadda Ay Ku Fashilmaan
Khilaafaadka nadaafadda (tubbadu waxay u egtahay mid fiican, laakiin CIP/SIP ma gudbi doonto)
Khatarta qarsoon ayaa ahdusha aqoonsiga: micro - xoqid, calamadaha silxinta, midabka, ama godadka maxalli ah ee noqda wax soo saarka - dhibcood sare. Goobuhu waxay dareemayaan waqti dheer oo CIP ah, ku celi suufka, ama hadhaaga aan la sharraxin ee kala-goysyada spool.
Sida Octal Pipe u maamusho:Kama daynno "dabcan/BA" sidii calaamad aan caddayn. PO waxay la jaan qaaday ayoolka dhammaynta la qiyaasi karo(caadiyan Ra{0}kusalaysan marka mashruucu u baahan yahay), aqbalana waxa loo qoraa sidi axeerka kormeerka(waa maxay cilladaha lagu diidi karo ID/OD). Wax badan ayaa la sii daayaa iyadoo ay wataan cadaymo dusha/dhameed ah oo dib loogu xidhay shixnadda sidaa darteed helitaanka kormeerku isuma beddelin muran shakhsi ah.
Tuubo nadiif ah ayaa la keenay wasakh (wax ka qabashada wasaqda)
Xataa tubbada wanaagsan waa la diidaa haddii aqoonsigu la yimaado boodh, calamadaha qoyaanka, ama burburka{{0}gaar ahaan WFI iyo loops biotech halkaas oo aqbalku adag yahay daaqaduhuna ay gaaban yihiin.
Sida Octal Pipe u maamusho:shixnadda waxaa loola dhaqmaa sida qayb nadaafadeed:koofiyadaha dhamaadka, duubabka la shaabadeeyey, iyo xidhidhinta la xakameeyey, oo leh baakad ka hortagaysa wasakhowga aqoonsiga iyo dhaawaca dusha sare inta lagu jiro rarida/dejinta. Tani inta badan waa farqiga u dhexeeya tubbada oo toos u tagi karta inay ku haboonaato{1} iyo tubbada fadhida karantiilka oo sugaya dib u nadiifinta-
Nusqaamaha raadraaca (tuubada ayaa jirta, laakiin QA ma siidayn karto)
Qaabka fashilka caadiga ah waa warqado aan si dhaqso ah iskula meel dhigi karin: khariidaynta kulaylka maqan, IDs xidhmo aan caddayn, ama shahaadooyin aan ku habboonayn calaamadaynta tuubada. Natiijadu waa sahlan tahay{1} agabku wuxuu fadhiyaa goobta, mashruucuna wuxuu luminayaa daaqada xidhida.
Sida Octal Pipe u maamusho:waxaanu ku soo rarinaa silsilad la xisaabin karo:calaamadaynta tuubada → khariidad kuleyl/fara badan → MTC (EN 10204 3.1), markaa helitaanka kormeerku waxay aqbali kartaa ama go'doomin kartaa xidhmo iyadoon la malaynayn. Marka mashruucu u baahan yahay dammaanad sare,3.2 / saddexaad{1}} markhaatiga qolowaa la qabanqaabin karaa, laakiin gundhigga mar walba waa "dhakhso, siideyn la xaqiijin karo."
Dhuumaha nadaafaddaCodsiyada
tubbada ASTM A270 waxay ku habboon tahay khadadka wareejinta caanaha ee maaraynta slurries, dawooyinka daawada biyaha Dhexdeeda siman waxay ka hortagtaa ku-dhejinta bakteeriyada habaynta cuntada, halka hoose - darajooyinka kaarboonku ay iska caabiyaan dareenka heerkul sare- wareegyada CIP. Warbahinta gardarrada, kala duwanaanshaha laba-laabka ah waxay ku kordhiyaan nolosha chloride{7}} bey'ad qani ah sida isku xidhka nadiifinta biyaha badda-
Tuubada fayodhowrka waxaa badanaa lagu qeexaa meesha "dhibaatada dhabta ah" ay ka dhacdointa lagu jiro hawlgalka iyo nadiifinta, maaha sawirka. Hoos waxaa ah xaaladaha caadiga ah ee goobta shaqada ee Octal Pipe waxay ku aragto xirmooyinka nadaafadda{1}}oo loo qoray si la mid ah siyaabaha kooxda iyo kooxaha QA uga hadlaan goobta:
- WFI / la safeeyey{0}} siddooyinka biyaha ka dib dayactirka xidhitaanka:Inta lagu jiro dib u bilaabashada, wareegtada waa la nadiifiyaa, la kululeeyaa, waana la muunad qaadayaa. Waxa fashiliya mashaariicda inta badanxaaladda dusha iyo wax ka qabashada wasakhda(wasaqa aqoonsiga, qoyaanka soo galaya, wax badan oo isku dhafan). Octal Pipe sida caadiga ah waxay xidhaa tuubo nadaafadeed oo leh cidhifyo daboolan iyo fara badan{1}} shahaado khariidad leh si ay goobtu si degdeg ah u raadiso tirooyinka kulaylka oo ay uga fogaato dib u{2}nadiifinta ama karantiilka ay keento cadaymaha siidaynta maqan.
- Ku rakibida halsano / baayacmushtarka skid ( dhaqid soo noqnoqda + baaskiil kuleyl):Tuubooyinka waxay arkaan wareegyo kulul oo qabow oo soo noqnoqda iyo nadiifinta kiimikada. Xanuunka wajiga shaqada waamidab beddela, qallafsanaanta, iyo khatarta dareenka agagaarka kulaylka alxanka - aagagga uu saameeyayhaddii maadada/dhammaadka ay is-waafaqayn. Darajooyinka kaarboonka hooseeya iyo aasaaska dhamaystirka qeexan waxay yareeyaan boostada{2}}ku rakib waxyaabaha la yaabka leh ee nadiifinta oo gaabiya wakhtiga xaqiijinta.
- Xidhiidhka utility chloride ee sarreeya- ( brine/Caustic - u dhowaanshaha nadiifinta):caqabada ma aha "daxalka guud ahaan" laakiingodadka meelaha godadka ah, isku xidhka, iyo lugaha dhintay-ka dib soo-gaadhista qoyan-qalalan ee soo noqnoqda. Xirmooyinkan, xulashada walxaha (badanaa laga soo guuro 304L ilaa 316L ama duplex by spec) ayaa lagu go'aamiyaa kiimikada dhaqidda saxda ah iyo xaqiiqda dhabta ah ee waqtiga, ma aha calaamadda buug-yaraha.
Waa maxay sababta loo doorto tuubada nadaafadda ee tuubada Octal
Taageerada Pipe OctalASTM A270 tuubada nadaafaddasahay sida ahabka - siidaynta la xakameeyey, oo laga dhisay agagaarka isbaarooyinka go'aaminaya in tuubooyinku dhaafaan aqbalaadda nadaafaddaiyou rakibo si habsami leh inta lagu jiro xidhitaanka daaqadaha. Dhinaca sahayda, saldhigga awoodda tuubbada aan-ka-tooska ah waa~ 8,000 t/y oo aan lahayniyo~ 10,000 t/y alxanka, oo leh daaqad cabbir wax ku ool ah oo ahΦ6-Φ630 mm (WT 1-35 mm)si aan kala go 'lahayn iyoΦ19-Φ2620 mm (WT 1-35 mm)ee alxanka -sidaas darteed hal xirmo ayaa dabooli karta tuubooyinka utility, manifolds, iyo samaynta OD spool weyn iyada oo aan la kala qaybin iibiyeyaasha.
| Barta hanti-dhawrka (iibsadayaashu dhab ahaantii way hubiyaan) | Maxaa la xakameynayaa / sida loo cabbiro | Waa maxay Pipe Octal ku sii dayn karto shixnadda |
|---|---|---|
| Dhammaadka aqoonsiga ee nadiifinta | Heerka Dhamaystirka waxa lagu qeexay bartilmaameed la cabbiri karo (beegyada nadaafadda guud:Ra In ka yar ama la mid ah 0.8 μmloogu talagalay CIP caadiga ah,Ra In ka yar ama la mid ah 0.4 μmsi loo adkeeyo nadaafadda, iyoRa In ka yar ama la mid ah 0.2 μmmarka mashruucu ku baaqayo xajin aad u hooseeya -kor). | Diiwaanada qallafsanaanta(profilometer checks by lot / by sample plan) + qeexan shuruudaha diidmada godadka/xoqida/midabka midabaynta. |
| Degganaanshiyaha tolidda alxanka (tuubo fayadhowr alxan leh) | Tayada tolida waxaa lagu xakameynayaa alxanka + qaboojinta kuul; aqbalaadda waxaa lagu xaqiijiyaa caddaynta baaritaanka tolleynta (ma "u ekaan OK"). | Diiwaanada baarista tolidda (tusaale,,hadda kacsanMeesha lagu cayimay) iyo dib u habeynta dib u habeynta haddii ay jiraan. |
| Soo celinta cabbirka | OD/WT/ovality/toosnaanta ayaa loo eegaa inay yihiin darawallada been abuurka ah si alxanka xajinta/orbital aanu isu bedelin dib u shaqayn. | Xaashida kormeerka cabbirkaku xidhan khariidada kulaylka/badan. |
| Qabashada nadiifka ah & baakaynta | Tuubbada nadaafadda ayaa ku guuldareysan karta helitaanka sababtoo ah maaraynta wasakhda. | Koofiyadaha dhamaadka + duubabka xidhan+ aqoonsiga xidhmo ee u dhigma shahaadooyinka. |
| Raadinta & caddaynta sii daynta | Qaadashadu waxay u baahan tahay inay is waafajisocalaamadaynta tuubada → shahaado → xidhmo shixnadiyada oo aan la malaynayn. | Luq - khariidadeeyayEN 10204 3.1 MTC(3.2/saddexaad{1}} marqaati u ah dhinac marka loo baahdo ITP). |
FAQ

FAQ 1: ASTM A270 tubbada nadaafadda vs ASME BPE - kee baan cayimaa?
FAQ 2: Waa maxay dhamaystirka BA macnaheedu waa tuubada nadaafadda (BA bright annealed)?
FAQ 3: Waa maxay Ra waa in lagu qeexaa birta aan nadiifka ahayn ee tuubooyinka nadaafadda, sideese loo cabbiraa Ra?
FAQ 4: Maxaa keena qiimaha dhuumaha fayodhowrka (iyo sidee bay alaab-qeybiyeyaasha tuubooyinka nadaafadda si cadaalad ah u sheegaan)?
Shahaadooyinka

Shahaadada CE

Shahaadada ISO 9001

API Q1 Shahaadada

Shahaadada ABS

Shahaadada AP-5L

API-5CT Certificate
| Shayga | Degdeg ah Spec |
|---|---|
| Alaabta | Tuubo/tuubo aan nadiif ahayn (ASTM A270) |
| Darajooyinka | 304/304L, 316/316L |
| dhame | BA (Bright Annealed) ama Polish/Ra cayiman |
| Cabbirrada | Xumaan: OD Φ6-Φ630 mm, WT 1-35 mm; Alxan: OD Φ19-Φ2620 mm, WT 1-35 mm |
| Docs & Baakad | EN 10204 3.1 MTC; xirxiran oo daboolan (sida loo baahan yahay) |
Hot Tags: Tuubooyinka nadaafadda , Shiinaha , Soosaarayaasha tuubooyinka nadaafadda , alaab-qeybiyeyaal, warshad, tuubooyinka ASTM A270
Next2
Macluumaad la'aanWaxaad sidoo kale jeclaan kartaa
U dir sooji











