JIS G 3454 li-tubes tsa tšepeke li-tubes tsa carbon steel tse loketseng haholo ho sebelisoa libakeng tseo e seng tsa khatello e phahameng tse nang le bophara ba ka ntle ho tloha ho 10.5 mm ho ea ho 660.4 mm le ka mocheso oa ho sebetsa o fihlang ho 350 ℃.
Likonopo tsa ho Tsamaisa
Karolelano ea Kereiti
Mekhoa ea Tlhahiso
Hot Dip Galvanizing -White Pipe
Sebopeho sa lik'hemik'hale tsa JIS G 3454
Thepa ea Mechini ea JIS G 3454
Teko e bataletseng
Teko ea ho Koba
Teko ea Hydraulic kapa Teko e sa senyeheng
Dimensional Tolerances
Tafole ea boima ba liphaephe le mananeo a liphaephe tsa JIS G3454
Ponahalo
Ho roala ka holim'a JIS G 3454
Ho tshwaya
Likopo tsa JIS G 3454 Pipe ea tšepe
Lihlahisoa tsa rona tse Amanang
Karolelano ea Kereiti
JIS G 3454 e na le limaraka tse peli ho ea ka matla a fokolang a tlhahiso ea pipe ea tšepe e phethiloeng.
STPG370, STPG410
Mekhoa ea Tlhahiso
E entsoe ho sebelisa motsoako o nepahetseng oa mekhoa ea ho etsa li-tubes le mekhoa ea ho qetela.
| Letšoao la mophato | Letšoao la ts'ebetso ea tlhahiso | ||
| Mokhoa oa ho etsa liphaephe | Mokhoa oa ho qetela | Sehlopha sa ho roala zinki | |
| STPG370 STPG410 | Seamless:S Motlakase o hanyetsanang le welded:E | E felile:H Ha ho bata:C Joalo ka ha ts'ireletso ea motlakase e cheselitsoe:G | Lipeipi tse ntšo: liphaephe ha li fuoe zinc-coating Liphaephe tse tšoeu: liphaephe tse fuoang zinki-coating |
Pipe ea tšepe e batang e tla kenngoa ka mor'a ho etsoa.Haeba ho hlokahala, Moreki a ka bolela kalafo ea mocheso ea li-welds tsa STPG 410 ho hanyetsa phala ea tšepe e entsoeng ka tšepe.
Haeba ho sebelisoa welding ea ho hanyetsa, li-welds tse ka hare le ka ntle tsa phala li lokela ho tlosoa ho fumana weld e boreleli haufi le phaephe.Leha ho le joalo, haeba ho le thata ho tlosa weld sebakeng se ka hare, boemo bo cheselitsoeng bo ka bolokoa.
Hot Dip Galvanizing -White Pipe
Bakeng satšoeuphala(liphaephe tse fuoang zinki-coating), bokaholimo ba ho hlahlojoaphala e ntsho(liphaephe tse sa fuoeng zinc-coating) li tla hloekisoa ka sandblasting, pickling, kapa phekolo e 'ngoe pele ho hot-dip galvanizing.Zinc bakeng sa hot dip galvanizing e tla ba JIS H 2107 Grade 1 distilled zinc ingot kapa zinki tsa boleng bo lekanang kapa bo betere.
Litlhoko tse ling tse akaretsang tsa ho galvanizing li lumellana le JIS H 8641.
Sebopeho sa lik'hemik'hale tsa JIS G 3454
Lintho tse akaretsang tsa liteko tsa tlhahlobo le mekhoa ea lisampole le tlhahlobo li tla tsamaellana le JIS G 0404 ntlha ea 8 (sebopeho sa lik'hemik'hale).
Mokhoa oa ho hlahloba o tla lumellana le JIS G 0320.
| Letšoao la mophato | C (Khabone) | Si (Silicon) | Mn (Manganese) | P (Phosphorus) | S (Sebabole) |
| max | max | max | max | ||
| STPG370 | 0.25% | 0.35% | 0.30-0.90% | 0.04% | 0.04% |
| STPG410 | 0.30% | 0.35% | 0.30-1.00% | 0.04% | 0.04% |
Thepa ea Mechini ea JIS G 3454
Litlhoko tse akaretsang tsa tlhahlobo ea mechini li tsamaellana le JIS G 0404 Clause 7 (General Litlhoko) le Clause 9 (Mechanical Properties).
Leha ho le joalo, mokhoa oa ho bokella mohlala bakeng sa tlhahlobo ea mechine e tla ba ho latela JIS G 0404 Clause 7.6 (Maemo a pokello ea mohlala le mehlala), Mofuta oa A.
Bahlahlobi ba liphaephe ba tla etsa liteko ho latela JIS Z 2241 'me matla a ho tsitsa, matla a tlhahiso, le bolelele bo tla ba ho latela Lethathamo la 3.
Leha ho le joalo, bakeng sa li-tubes tse ka tlaase ho limilimithara tse 8, bolelele bo tla ba ho latela Lethathamo la 4 bakeng sa liteko tsa tensile ho sebelisa No. 12 kapa No. 5 specimens.
Teko e bataletseng
Mocheso oa mocheso oa teko e lokela ho ba mocheso oa kamore (5 ~ 35 ℃), mohlala o behoa pakeng tsa lipoleiti tse peli tse bataletseng ebe o hatelloa ho fihlela sebaka sa H pakeng tsa lipoleiti se le ka tlase ho boleng bo boletsoeng, ha mohlala o batalatsoa, bona hore na ho na le lekhalo. holim'a sethala sa mohlala oa phala ea tšepe.
Ha H=2/3D, hlahloba weld bakeng sa mapetsong.
Ha H=1/3D, hlahloba hore na ha ho na mapetsong a likarolo tse ling ntle le seam sa weld.
Pipe ea tšepe e se nang seamless e ka 'na ea lokolloa tekong ea ho pata, empa ts'ebetso ea phala e tlameha ho lumellana le litokisetso.
Teko ea ho Koba
E sebetsa ho liphaephe tse nang le bophara ba ka ntle ≤ 40A (48.6mm).
Mohlala o seke oa petsoha ha o kobeha ho 90° ka radius e ka hare ea makhetlo a 6 bophara ba kantle.
Moreki a ka hlakisa angle e kobehang ea 180 le/kapa radius e ka hare ea makhetlo a 4 bophara ba phala e kantle.
Bakeng sa liphaephe tse cheselitsoeng tse hanyetsanang, seame sa weld se tla be se fumaneha hoo e ka bang 90 ° ho tloha karolong e ka ntle ea bend.
Teko ea Hydraulic kapa Teko e sa senyeheng
Liphaephe tsohle li tlameha ho lekoa ka matla a metsi kapa ho se senyehe.
Leha ho le joalo, bakeng sa liphaephe tse tšoeu, hangata sena se etsoa pele ho galvanizing.
Teko ea Hydrotesting kapa e sa senyeheng ke mokhoa oa bohlokoa oa taolo ea boleng ba liphaephe ho netefatsa polokeho le ts'epahalo ea liphaephe nakong ea ho kenya le ho sebelisoa.
Teko ea Hydrostatic
Sebelisa khatello ea tlhahlobo ea hydraulic e phahameng ho feta e boletsoeng ho phaephe 'me ue tšoare bonyane metsotsoana ea 5 ho bona hore na pipe e ka mamella khatello le haeba ho lutla ho etsahala.
| Letlapa la 5 Khatello e fokolang ea tlhahlobo ea hydraulic | ||||||
| Botenya ba lebota ka lebitso | Nomoro ea Kemiso: Sch | |||||
| 10 | 20 | 30 | 40 | 60 | 80 | |
| Khatello e tlase ea tlhahlobo ea haeteroliki, Mpa | 2.0 | 3.5 | 5.0 | 6.0 | 9.0 | 12 |
Teko e sa senyeheng
Mokhoa oa ultrasonic test (UT) o tla lumellana le JIS G 0582. Leha ho le joalo, teko e thata ho feta ea UD classification ea liphoso tsa maiketsetso e ka boela ea sebelisoa ho e-na le hoo.
Mokhoa oa hona joale oa tlhahlobo ea Eddy (ET) o tla lumellana le JIS G 0583. Leha ho le joalo, e ka boela ea nkeloa sebaka ke teko e thata ho feta ea EY Artificial Defects classification.
Ehlile, mekhoa e meng ea liteko e sa senyeheng e fihlelang litekanyetso e ka khethoa sebakeng sa eona.
Dimensional Tolerances
Mamello e mebe ka botenya ba liphaephe tsa tšepe tse hanyetsanang li sebetsa feela ho li-welds tsa tšepe tse hanyetsanang;mamello e ntle ha e sebetse.
Tafole ea boima ba liphaephe le mananeo a liphaephe tsa JIS G3454
Thepa ea tšepe ea ho bala boima ba 'mele
W=0.02466t(Dt)
W: boima ba yuniti ea pipe (kg/m)
t: botenya ba lebota la pipe (mm)
D: bophara ba phala e ka ntle (mm)
0.02466: ntlha ea phetoho bakeng sa ho fumana W
Foromo e ka holimo ke phetoho e ipapisitseng le boima ba li-tubes tsa tšepe tsa 7.85 g/cm³ 'me liphetho li pota-potiloe ho lipalo tse tharo tsa bohlokoa.
Letlapa la Boima ba Pipe ea tšepe
Lichate tsa boima ba liphaephe li bapala karolo ea bohlokoa haholo tšebetsong ea moralo oa lipeipi, boenjiniere, theko ea thepa le kaho, 'me ke litšupiso tsa bohlokoahali ho boenjineri ba lipeipi.
Lipeipi Kemiso
Lenane la liphaephe ke tafole e sebelisetsoang ho tiisa litekanyo tsa liphaephe, hangata ho hlakisa botenya ba lebota le bophara ba phala.
Kemiso ea 10, 20, 30, 40, 60 le 80 ho JIS G 3454.
Ithute haholoanyane kaboima ba liphaephe le kemiso ea liphaepheka hare ho maemo a tloaelehileng.
Ponahalo
Pipe e tla ba e otlolohileng 'me lipheletsong tsa eona e tla ba perpendicular ho axis ea pipe.
Libaka tse ka hare le tse ka ntle tsa phala e tla ba tsa qetello e ntle 'me li se na likoli tse sa rateheng ho li sebelisa.
Phekolo ea holim'a metsi e ka etsoa ka ho sila, ho sebetsa ka mechine, le mekhoa e meng ea ho sebetsana le mefokolo ea holim'a metsi, empa botenya ka mor'a phekolo ha bo ka tlaase ho bonyane botenya, 'me sebōpeho sa phala se lula se tsitsitse.
Ho roala ka holim'a JIS G 3454
Libaka tse ka hare le tse ka ntle tsa lipeipi tsa tšepe li ka koaheloa ka liphahlo tse thibelang ho bola, tse kang li-zinc tse nang le li-zinc, li-epoxy coatings, li-primer coatings, 3PE, le FBE.
Ho tshwaya
Li-tubes tsa tšepe tse fetang tlhahlobo li tla tšoauoa ka lintlha tse latelang ho latela tube-by-tube basis.Leha ho le joalo, haeba bophara bo bonyenyane bo ka ntle ba li-tubes bo etsa hore ho be thata ho tšoaea tšupu e ’ngoe le e ’ngoe ka bonngoe, liphaephe li ka ’na tsa kopanngoa ’me ngata e ’ngoe le e ’ngoe ea tšoauoa ka tsela e loketseng.
Taelo ea ho tšoaea ha e ea hlalosoa.Ho feta moo, Lintho tse ling li ka siuoa ka tumellano pakeng tsa batho ba fanang ka thepa, ha feela sehlahisoa se ka tsejoa.
a) Letšoao la mophato
b) Letšoao la ts'ebetso ea tlhahiso
Letšoao la ts'ebetso ea tlhahiso e tla ba ka tsela e latelang.Mehala e ka nkeloa sebaka ke likheo.
Peipi ea tšepe e se nang seamless e felileng ka ho chesa:-SH
Peipi ea tšepe e se nang seamless e feliloeng ka serame:-SC
Joalo ka phala ea tšepe e kolobisitsoeng ka motlakase:- EG
Peipi ea tšepe e cheselitsoeng ka mocheso o felisitsoeng ke mocheso:-EH
Peipi ea tšepe ea tšepe e feliloeng ke batang:-EC
c) Litekanyo, tse hlahisoang ka bophara ba lebitso × botenya ba lebota la lebitso, kapa bophara ba kantle × botenya ba lebota.
d) Lebitso la moetsi kapa lebitso la sekhetho
Mohlala: BOTOP JIS G 3454-SH STPG 370 50A×SHC40 HEAT NO.00001
Likopo tsa JIS G 3454 Pipe ea tšepe
Liphaephe tse tloaelehileng tsa tšepe tsa JIS G 3454 li na le mefuta e mengata ea ts'ebeliso libakeng tse fapaneng tsa indasteri le tsa kaho, tse sebelisoang haholo ho tsamaisa mecha ea litaba e fapaneng ea mokelikeli.
Sistimi ea phepelo ea metsi:Lipeipi tse tloaelehileng tsa tšepe tsa JIS G 3454 li ka sebelisoa lits'ebetsong tsa phepelo ea metsi tsa masepala, lits'ebetso tsa phepelo ea metsi liindasteri, joalo-joalo ho tsamaisa metsi a pompo a hloekileng kapa metsi a hloekisitsoeng.
Sistimi ea HVAC:Lipeipi tsena tsa tšepe li boetse li sebelisoa hangata lits'ebetsong tsa HVAC ho fetisa metsi a pholileng kapa metsi a chesang.
Likepe tsa khatello:Lipeipi tsa tšepe tsa JIS G 3454 li boetse li sebelisoa likepeng tse ling tsa khatello le li-boilers
Limela tsa lik'hemik'hale:Tsena li ka sebelisoa ho fetisa mecha ea litaba e fapaneng ea lik'hemik'hale.
Indasteri ea oli le khase:le hoja JIS G 3454 e loketse haholo lipalangoang tsa khatello e tlase, e ka boela ea sebelisoa lits'ebetsong tse ling tsa indasteri ea oli le khase e sa batleng haholo.
Lihlahisoa tsa rona tse Amanang
Re moetsi oa liphaephe tsa tšepe tsa tšepe tsa boleng bo holimo tse cheselitsoeng le mofani oa thepa ea tsoang Chaena, hape re na le setoko sa liphaephe tsa tšepe tse se nang seam, tse u fang mefuta e mengata ea tharollo ea lipeipi tsa tšepe!
Tags: JIS G 3454, STPG, SCH, phaephe ea carbon, peipi e tšoeu, tube e ntšo, bafani, bahlahisi, lifeme, li-stock, lik'hamphani, liholese, reka, theko, qotso, bongata, thekiso, litšenyehelo.
Nako ea poso: May-01-2024