ASTM A179: Li-tubing tsa tšepe tse bonolo tse huloang ke serame;
E loketse li-exchanger tsa mocheso oa tubula, li-condensers, le lisebelisoa tse tšoanang tsa ho fetisa mocheso.
Likonopo tsa ho Tsamaisa
Diameter Range
Kalafo ea Mocheso
Ponahalo
Dimensional Tolerances
Tlhahlobo ea ASTM A179
Likaroloana tsa Lik'hemik'hale
Tensile Properties
Teko e bataletseng
Flaring Test
Tlhahlobo ea Flange
Tlhahlobo ea boima
Teko ea Khatello ea Hydraulic
Teko ea Motlakase e sa senyeheng
Ho tšoaea ASTM A179
Litekanyetso tse Amanang tsa ASTM A179
Mabapi le rona
Diameter Range
ASTM A179 bakeng sa li-tubes tse nang le bophara ba ka ntle pakeng tsa 3.2 -76.2 mm [NPS 1/8 - 3 in.].
Kalafo ea Mocheso
Mocheso o phekoloa ka 1200 ℉ [650 ℃] kapa ka holimo ka mor'a tsela ea ho qetela ea ho moha serame.
Ponahalo
Pipe ea tšepe e phethiloeng ha ea lokela ho ba le sekala.Oxidation e nyane ha e nkoe e le sekala.
Dimensional Tolerances
| Dimensional Tolerances | ||
| Lenane | Hlopha | Sebaka |
| Mmisa | DN≤38.1mm[NPS 11/2] | + 12% |
| DN＞38.1mm[NPS 11/2] | + 13% | |
| Diameter | DN≤38.1mm[NPS 11/2] | +20% |
| DN＞38.1mm[NPS 11/2] | + 22% | |
| Bolelele | DN＜50.8mm[NPS 2] | +5mm[NPS 3/16] |
| DN≥50.8mm[NPS 2] | +3 limilimithara[NPS 1/8] | |
| Ho otloloha le Qetella | Li-tubes tse felileng li tla otloloha ka mokhoa o utloahalang 'me li be le lipheletsong tse boreleli tse se nang li-burrs. | |
| Ho sebetsana le liphoso | Ntho leha e le efe e sa tsoeleng pele kapa e sa tloaelehang e fumanoang ka har'a tube e ka tlosoa ka ho sila, ha feela sebaka se boreleli se kobehileng se bolokoa, 'me botenya ba lerako ha bo fokotsehe ho feta bo lumelloang ke sena kapa sehlahisoa sa lihlahisoa. | |
Mokhoa oa boima oa ASTM A179 ke:
M=(DT)×T×C
Mke boima ka bolelele ba yuniti;
Dke bophara bo boletsoeng ka ntle, bo hlahisoang ka limilimithara (li-inch);
T ke botenya ba lebota bo boletsoeng, bo hlahisoang ka limilimithara (lisenthimithara);
Cke 0.0246615 bakeng sa lipalo tsa liyuniti tsa SI le 10.69 bakeng sa lipalo tsa liyuniti tsa USC.
Haeba u batla ho tseba haholoanyane ka litafole tsa boima ba lipeipi tsa tšepe,tlanya mona!
Tlhahlobo ea ASTM A179
Likaroloana tsa Lik'hemik'hale
Mokhoa oa Teko: ASTM A450 Karolo ea 6.
| Likaroloana tsa Lik'hemik'hale | |
| C(Khabone) | 0.06-0.18 |
| Mn(Manganese) | 0.27-0.63 |
| P(Phosphorus) | ≤0.035 |
| S(Sebabole) | ≤0.035 |
Ha hoa lumelloa ho fana ka limaraka tsa alloy tse batlang ka ho hlaka hore ho eketsoe elemente efe kapa efe ntle le tse thathamisitsoeng ka holimo.
Tensile Properties
Mokhoa oa liteko: ASTM A450 Karolo ea 7.
| Litlhoko tsa Tensile | ||
| Lenane | karohano | boleng |
| Matla a tšepe, min | KSI | 47 |
| MPa | 325 | |
| Ho hlahisa matla, min | psi | 26 |
| MPa | 180 | |
| Elongation ka 50mm (2 ho), min | % | 35 |
Teko e bataletseng
Mokhoa oa teko: ASTM A450 Karolo ea 19.
Flaring Test
Mokhoa oa teko: ASTM A450 Karolo ea 21.
E Atolositsoeng Trivia: Teko ea ho phatloha ke teko e sebelisetsoang ho lekola ho holofala ha polasetiki le ho hanyetsa ho phatloha ha thepa ea tšepe, haholo-holo li-tubes ha li le tlas'a ts'ebetso ea ho tuka.Teko ena e atisa ho sebelisoa ho lekola boleng le ho nepahala ha li-tubes, haholo-holo lits'ebetsong moo ho hlokahalang ho cheselletsa, ho tuka kapa mefuta e meng ea ts'ebetso.
Tlhahlobo ea Flange
Mokhoa oa Teko: ASTM A450 Karolo ea 22. Tsela e 'ngoe ea Tlhahlobo ea Flare.
E Atolositsoeng Trivia: Ka tloaelo e bua ka teko e sebelisoang ho lekola ho holofala ha polasetiki le ho hanyetsa mapetso a sheet metal, pipe, kapa lisebelisoa tse ling nakong ea manonyeletso a nang le flanged.
Tlhahlobo ea boima
Mokhoa oa Teko: ASTM A450 Karolo ea 23. Ho thatafala ha hoa lokela ho feta 72 HRBW.
HRBW: Haholo-holo e bua ka liteko tsa boima ba Rockwell B Scale tse entsoeng libakeng tse cheselitsoeng.
Teko ea Khatello ea Hydraulic
Mokhoa oa teko: ASTM A450 Karolo ea 24.
Teko ea Motlakase e sa senyeheng
Mokhoa oa teko: ASTM A450, Karolo ea 26. Mokhoa o mong oa tlhahlobo ea hydraulic.
Ho tšoaea ASTM A179
ASTM A179e tla tšoauoa ka ho hlaka ka lebitso la moetsi kapa lebitso la lets'oao, nomoro ea lintlha, kereiti, lebitso la moreki le nomoro ea odara.
Ho tshwaya ha ho hloke ho kenyelletsa letsatsi la selemo la tlhaloso ena.
Bakeng sa li-tubes tse ka tlase ho 31.8 mm [11/4ka hare.
Litekanyetso tse Amanang tsa ASTM A179
EN 10216-1
Kopo: Lipeipi tsa tšepe tse sa alloeng bakeng sa merero ea khatello e nang le thepa ea mocheso oa kamore e boletsoeng.
Kopo ea mantlha: E sebelisoa haholo bakeng sa liphaephe tsa khatello liindastering tsa petroleum le lik'hemik'hale.
DIN 17175
Kopo: Li-tubes tsa tšepe tse se nang seam bakeng sa ho sebelisoa ha mocheso o phahameng.
Lisebelisoa tse ka sehloohong: Indasteri ea boiler, li-heaters tsa mocheso.
BS 3059 Karolo ea 1
Kopo: Li-tubes tsa tšepe tse se nang seamed le tse cheselitsoeng bakeng sa ho sebelisoa ka mocheso o tlase.
Lisebelisoa tse ka sehloohong: lisebelisoa tsa mocheso, li-condensers.
JIS G3461
Kopo: Boiler ea tšepe ea carbon le li-tubes tsa mocheso oa mocheso.
Lisebelisoa tse ka sehloohong: mocheso oa mocheso le li-tubes tsa boiler.
ASME SA 179
Kopo: E batla e ts'oana le ASTM A179 bakeng sa mochini o futhumatsang mocheso o batang o huloang ke serame le li-tubes tsa condenser.
Ts'ebeliso ea mantlha: Licheso tsa mocheso oa sefahleho, li-condensers, jj.
ASTM A106
Kopo: Tubing ea tšepe ea seamless carbon bakeng sa ts'ebeletso e phahameng ea mocheso.
Kopo e kholo: Lipeipi tsa khatello bakeng sa indasteri ea peterole le lik'hemik'hale ka mocheso o phahameng.
GB 6479
Kopo: Pipe ea tšepe e se nang seamless ea khatello e phahameng bakeng sa lisebelisoa tsa lik'hemik'hale le liphaephe.
Kopo e ka Sehloohong: Phaephe ea khatello e phahameng bakeng sa indasteri ea lik'hemik'hale.
Mabapi le rona
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tags: astm a179, astm a179 moelelo,barekisi, bahlahisi, lifeme, barekisi ba thepa, lik'hamphani, thekiso, theko, qotsulo, bongata, thekiso, theko.
Nako ea poso: Mar-27-2024