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Mar 06, 2026 Lekani uthenga

ASTM A270 Tubing yakutowa ya mizere yakutowa

ASTM A270 stainless steel tube size range

 

"Sanitary" ni chimanyikwiro yayi-ni vyakuzomerezgeka.ASTM A270 chubu cha ukhondokuwoneska para pulojekiti yikukhumba kutozga, kumalizga kwakuwerezgawerezga, na kuwoneseska-mabuku ghakunozgeka. Ŵakugura ŵangapenjaa270 mapaipi gha zitsulo zambura zimbirioloa270 zitsulo zambura zimbiri, kweni fundo yakugulira njakuyana waka: longosorani vinthu vichoko waka ivyo vikutondeska nadi kugwira ntchitoso, kukana, ndipo "chifukwa wuli chingwe ichi chikukolerana yayi?" nyengo.

Pansi apa pali nthowa yakugwira ntchito, yambura kupulikikwaa270 chubu cha ukhondontheura vikufika vyakupangika - vyakunozgeka na kuzomerezgeka - vyaubwezi.

 

Kumene ASTM A270 Kukwanira

 

ASTM A270 yikulembeka kuti yiŵe yakutowa (yakutowa) ya stainless tubing iyo yikugwiriskirika nchito mu mkaka / vyakurya, bio-kupanga, na ntchito zinyake izo zikukhumbikwira kumalizga kwapadera pa malo na kulekelera kwakulongozgeka. Likukhwaska .kwambura msoko, wakuwotcha, ndipowakuzizima chomene wakagwira ntchito yakuweldedtubing, kusazgapo nthowa za ERW / EFW zakuwotcha.

Usange pulojekiti "nja ukhondo kweni njambura kubaba," mtundu wa ukhondo wakumanyikwa kanandi ukukwana. Usange ni "kukhozgera -kulongozgeka" (kutowa kwapachanya panji chiyowoyero cha pharma), spec kanandi yikukhozga pa chemistry, kulekelera, na kuyezgeka kwakuyezgeka.

 

stainless steel pipe general purpose stainless steel pipe ASTM A270

 

ASTM A270 Chemistry na vyakukhumbikwa vya makina

 

ASTM A270 Mechanical Properties and Chemical Composition

 

Wonani apa kuti mumanye vinandi vyakukhwaskana naASTM A270 Mazgu ghakumanyikwa.

 

Vinthu vyakuyezga na vyakukhumbikwa vyakusazgirapo

 

A270 yikuyowoya za vyakuwonera vya makina na vya mtundu nga ni .kuphatika - mayeso ghakukhwaskana nandipo panjikuyezgeka kwa hydrostatic panji kuyezgeka kwa magesi kwambura kunangakutengera umo oda yikulembekera.

Para chigomezgo cha dzimbiri nchigaŵa cha kuzomerezga, A270 yikuzomerezga vyakukhumbikwa vya dzimbiri vyakusazgikira:

  • Kuyezgelera dzimbiri la pakati pa granularkwa austenitic wambura zimbiri (A262 mchito wakuyowoyeka)
  • Duplex phase - yakukhwaskana na ma cheke gha ma grade gha duplex (A923 nthowa yakuyowoyeka)

Nthowa yakugulira: usange pulojekiti yikuchema mayeso gha dzimbiri panji kuchedwa, mungaganaghana yayi kuti "ni vyakumanyikwa." Ikani mu PO-ndipo mukhumbe lipoti mu paketi ya vikalata.

 

Kuŵika chimanyikwiro, Kupakira, na Kupokera

 

Sanitary tubing kanandi yikukanizgika chifukwa cha mapepala na kupwetekeka kwa vinthu- chifukwa cha chemistry yayi.

A270 chiziŵizgo chingaphalirika kuti chiŵe na nthowa yakupangira (SML / WLD / HCW) ndipo ivyo vikukhumbikwa pa chiziŵizgo vikukolerana na vimanyikwiro vya ndondomeko ya kuŵika chiziŵizgo. Kanandi kuŵika vinthu mu mathumba na kuvivikilira; kuŵika mu bokosi kungapempheka kuti viŵe vyapachanya-vyakumalizga.

Nthowa yakugulira vinthu: yakupukutika / EP tubing, sazgiranipo:

  • Vipewa vyakumaliya
  • Nthowa yakutowa yakupakira (kuti kuchepeske ngozi ya kufipiskika/kukhwaŵa)
  • Mndandanda wa "chidumbirano-ku-kutentha/kutentha" usange pulojekiti njakuwoneseska -kulemera

 

Sanitary tubing packing boxed packing

 

Mmene Mungalemba RFQ / PO Iyo Yikuwuskapo QA na Kuwovwira Kuŵika pa Malo

 

Usange chilato nchakuti ŵalembe mwaluŵiro na kuwerezgapo vichoko waka, RFQ yiwemi ya .a270 chubu cha ukhondomukwenera kuŵazga nga ni mndandanda wakuwoneseska-maseŵero ghakughanaghana yayi.

Gwiliskirani nchito ndondomeko nga ni iyi:

  • Sitandade:ASTM A270
  • Giredi:304/304L panji 316/316L (khozgerani mtundu weneco)
  • Nthowa:SML / WLD / HCW
  • Saizi:OD × WT (panji maungano gha OD gha inch yakutowa)
  • Utali:Kukhazikika / mwamwaŵi / mwambo
  • Mala:mphero / Yayi . 180 / Yayi . 240 / kuphaka magesi
  • Kukhoma kwakukhumbikwa:max Ra (ID / OD / vyose) na nthowa yakupimira
  • Kuyezga:mayeso gha magesi gha hydrostatic panji NDE; weld NDE usange HCW panji pulojekiti yikukhumba
  • Kuŵika chimanyikwiro na kulondezga:kutentha / chomene, khodi ya nthowa, phukusi la chikalata
  • Vinthu vinyake ivyo vikukhumbikwa:mtundu wa pharma / kuyezgeka kwa dzimbiri / kukhumbikwa kwa passivation

Chimanyisko chaluŵiro pa mazgu ghakuzirwa ghambura kukolerana: ma RFQ ghanyake ghali na mazgu nga nia270 304I chubu chambura zimbiri. Usange ivi vikuwoneka, nchakwenelera kukhozgera usange chilato nchakuti .304L(common sanitary grade) panji pulojekiti-khodi yamukati yapadera-chimanyikwiro chimoza chingazgoka kuŵa gulu limoza lakukanizgika.

 

Chidule

 

Usange pempho ni uteŵeti wa ukhondo, .ASTM A270 chubu cha ukhondoyikupereka ndondomeko yakutowa yakulongosolera ivyo ni vyakuzirwa chomene:Kumalizga pa malo + kulaŵilira kwakukhotakhota, kulekelera kwakuyana, kusankha nthowa (SML / WLD / HCW), kutentha, kuŵika chimanyikwiro, na vyakusankha vyakuyezga. Kulembeka makora mu PO, .a270 zitsulo zambura zimbirilikufika lakunozgeka kupangika na kuzomerezgeka-kwambura kuzizwa pa kupokera panji pa nyengo yakukhozgera.

 

Lumikizanani sono

 

Mafumbo ghakufumbika

 

 

Procurement-Focused FAQ for ASTM A270 Sanitary Tubing

01.Kasi RFQ yikwenera kulembeka wuli pa ASTM A270 sanitary tubing kuti paleke kuŵa mphindano za "kumalizga kwambura kwenelera / kulekelera kwambura kwenelera"?

Longosoranimtundu (304/304L panji 316/316L), Nthowa (SML/WLD/HCW), OD × WT + utali, kumalizga (nambala 180 / nambala 240 / EP), Ra malire (ID / OD / vyose) pa ASME B46.1, khumbikwamayeso (maji panji magesi/NDE), kusazgapoMabuku (KUN 10204 3.1 MTC)na kupakira (kumaliya -kuvikilirika / kuvikilirika).

02.Kasi ni vichi ivyo vikukhumbikwa chomene kuti ŵanthu ŵazomerezgeke na kutozga?

Chalomlingo wakupukuta makina (nambala 180/nambala 240)olomagesi, ndipo pamanyuma musazgireko vyakupimika .Ra yakukwanandipo mulongosore usange vikukhwaska .ID peraoloID+OD. Ici cikupangiska kuti ŵaleke kukana mwakuyana na "kusalala."

03.Kasi ni nthowa wuli ya ASTM A270 iyo yikwenera kusankhika kuti yiŵe ya ukhondo?

SMLlikutemwa para msoko wa weld ukuzomerezgeka yayi;WLDnchakumanyikwa ku mizere yinandi ya ukhondo para yalongosoreka makora;HCWlikugwiriskirika nchito para nthowa yapachanya yikukhumbikwa (welded tube cold-kugwira ntchito Kukuru panji kuyana na 35% pambere anneal yaumaliro yindafike) ndipo yingakolerana na vigomezgo vyakugomezgeka vya weld.

04.Kasi ni vinthu wuli vyakuyezga na kuwoneseska ivyo vikwenera kupempheka pa A270 zitsulo zambura zimbiri zakutozga?

Longosorani usange oda yikukhumba .kuyezgeka kwa hydrostaticolokuyezga magesi kwambura kunanga, ndipo muŵikepo vinyake ivyo mukukhumba nga ni .mayeso gha dzimbiri la pakati pa granular (A262)kwa magulu gha austenitic panji chigaŵa cha duplex-chokukhwaskana na cheke apo pali.

05.What mapaketi na traceability vikukhumbikwa kuchepeska kupokera kunanga na kuchitiska luŵiro QA kufwatulika?

Sachizgovipewa vyakumapeto, scratch-kuvikilirika kupakira (mu bokosi usange kukukhumbikwa kuti kuphatikizgike/EP), fumyaKuŵika chimanyikwiro na ID ya kutentha / malo na nthowa (SML / WLD / HCW), kusazgapomndandanda wa vyakupakira na chidutswa-ku-mapu yakutenthandipo3.1 MTCkuti ŵapokere mwaluŵiro chizomerezgo.

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