Moralo o Tummeng oa China ASTM/ASME A335/SA335 P91 Seamless Carbon Steel Pipe/Boiler Tube bakeng sa Tšebeletso e Phahameng ea Mocheso
Ho lula re ntlafatsa tsamaiso ea tsamaiso ka lebaka la molao oa "ka botšepehi, tumelo e ntle le boleng ke motheo oa nts'etsopele ea khoebo", re amohela bohlokoa ba lihlahisoa tse amanang le machaba, 'me kamehla re hlahisa lihlahisoa tse ncha ho finyella litlhoko tsa bareki bakeng sa Popular. Moralo oa China ASTM/ASME A335/SA335 P91 Seamless Carbon Steel Pipe/Boiler Tube bakeng sa Tšebeletso e Phahameng ea Mocheso, Hona joale re na le lethathamo le leholo la ho phethahatsa rona. mehala ea moreki le litlhoko.
Ho lula re ntlafatsa tsamaiso ea tsamaiso ka lebaka la molao oa "ka botšepehi, tumelo e ntle le boleng ke motheo oa nts'etsopele ea khoebo", re monya ka ho pharaletseng boleng ba lihlahisoa tse amanang le machaba, 'me kamehla re hlahisa lihlahisoa tse ncha ho finyella litlhoko tsa bareki.China Boiler Tube, seamless tšepe tube, Haeba u hloka leha e le efe ea lihlahisoa tsa rona, kapa u na le lintho tse ling tse lokelang ho hlahisoa, ka kopo re romelle lipotso tsa hau, mehlala kapa litšoantšo tse qaqileng. Ho sa le joalo, ka sepheo sa ho hola ho ba sehlopha sa likhoebo tsa machabeng, re lebelletse ho amohela likopo tsa likhoebo tse kopaneng le merero e meng ea koporasi.
Kakaretso
Kopo
E sebelisoa haholo ho etsa tšepe ea boleng bo holimo ea khabone, phala e tlase ea khatello e mahareng ea khatello e tlase, peipi ea tšepe e futhumetseng ea mouoane e se nang seamless.
Kereiti e ka Sehloohong
Mophato oa tšepe ea boleng bo holimo ea khabone: 10#,20#
Karolo ea Lik'hemik'hale
| Standard | Kereiti | Sebopeho sa Lik'hemik'hale(%) | |||||||
| C | Si | Mn | P | S | Cr | Cu | Ni | ||
| GB3087 | 10 | 0.07–0.13 | 0.17–0.37 | 0.38–0,65 | ≤0.030 | ≤0.030 | 0.3–0.65 | ≤0.25 | ≤0.30 |
| 20 | 0.17–0.23 | 0.17–0.37 | 0.38–0,65 | ≤0.030 | ≤0.030 | 0.3–0.65 | ≤0.25 | ≤0.30 | |
Thepa ea Mechini
| Standard | Pipe ea tšepe | Botenya ba lebota | Matla a tšepe | Kotulo Matla | Elongation |
| GB3087 | (mm) | (MPa) | (MPa) | % | |
| ≥ | |||||
| 10 | / | 335-475 | 195 | 24 | |
| 20 | ＜15 | 410-550 | 245 | 20 | |
| ≥15 | 225 | ||||
Mamello
Ho kheloha ho lumelletsoeng ha bophara ba kantle ba li-tubes tsa tšepe
| Mofuta oa tšepe ea tšepe | Ho kheloha ho lumelletsoeng | ||||||
| Chelete ea tšepe e chesang (e ntšitsoeng, e atolositsoeng). | ± 1.0% D kapa ± 0.50, nka palo e kholoanyane | ||||||
| Pepe ea tšepe e batang (e phuthoang). | ± 1.0% D kapa ± 0.30, nka palo e kholoanyane | ||||||
Phapang e lumellehang ea botenya ba lerako la li-tubes tsa tšepe tse chesang (extrusion, katoloso)
Yuniti: mm
| Mofuta oa tšepe ea tšepe | Bophara ba ka ntle ba tube ea tšepe | S / D | Ho kheloha ho lumelletsoeng | ||||||
| ho chesa (extruded) tšepe tube | ≤102 | - | ± 12.5 % S kapa ± 0.40, nka palo e kholoanyane | ||||||
| > 102 | ≤ 0.05 | ± 15% S kapa ± 0.40, nka palo e kholoanyane | |||||||
| > 0,05 ~ 0.10 | ± 12.5% S kapa ± 0.40, nka palo e kholoanyane | ||||||||
| > 0.10 | + 12,5% S | ||||||||
| - 10% S | |||||||||
| chesang eketsa tšepe tube | + 15% S | ||||||||
Ho kheloha ho lumelletsoeng ha lerako le botenya ba li-tubes tsa tšepe tse batang tse huloang (tse phuthohileng).
Yuniti: mm
| Mofuta oa tšepe ea tšepe | Botenya ba lebota | Ho kheloha ho lumelletsoeng | ||||||
| Pepe ea tšepe e batang (e phuthoang). | ≤3 | 15 - 10 % S kapa ± 0.15, nka palo e kholoanyane | ||||||
| > 3 | + 12,5% S | |||||||
| - 10% S | ||||||||
Tlhokahalo ea Teko
Teko e bataletseng
Li-tubes tsa tšepe tse bophara ba ka ntle ho feta 22 mm le ho fihla ho 400 mm, le botenya ba lebota bo fetang 10 mm bo lokela ho etsoa tlhahlobo ea ho batalla. Ka mor'a hore lisampole li batalatsoe
Teko ea ho koba
Li-tubes tsa tšepe tse nang le bophara bo ka ntle bo sa feteng limilimithara tse 22 li lokela ho etsoa tlhahlobo ea ho kobeha. Lekhalo le kobehang ke 90o . Radius e kobehang ke makhetlo a 6 bophara ba ka ntle ba tube ea tšepe. Ka mor'a ho koba sampuli, ha ho maphao kapa mapetsong a lumelloang ho hlaha sampuling.
Tlhahlobo ea macroscopic
Bakeng sa li-tubes tsa tšepe tse entsoeng ka ho toba ka li-billet kapa li-ingots tsa tšepe tse sa khaotseng, mofani oa thepa o lokela ho tiisa hore ha ho na matheba a masoeu, litšila, li-bubble tsa moea tse ka tlas'a holim'a metsi, maqeba a lehata kapa lesela holim'a lesela la macroscopic le nang le macroscopic acid. tube ea tšepe.
Tlhahlobo e sa senyeheng
Ho ea ka kopo ea mokha o batlang, e ntan'o buisanoa pakeng tsa mekha e fanang ka thepa le e batlang 'me e bontšitsoe tumellanong, ho lemoha phoso ea ultrasonic ho ka etsoa ka bomong bakeng sa li-tubes tsa tšepe. Bofokoli ba longitudinal bukana ea tube ea mohlala ea referense e lokela ho fihlela litlhoko tsa sehlopha sa kamohelo ea kamora tlhahlobo ea C8 e boletsoeng ho GB/T 5777-1996.
Lintlha tsa Sehlahisoa
Tube ea Boiler ea Khatello e Phahameng
GB/T5310-2017
ASME SA-106/SA-106M-2015
ASTMA210(A210M)-2012
ASME SA-213/SA-213M
