Boleng bo botle China Hot DIP Sch40 A53 API 5L Gr. B E se nang Seam / Spiral Welded /ERW/Galvanized Carbon Steel Pipe
Kakaretso
Re tla etsa boiteko ba motho ka mong hore e be ea ikhethang le ea loketseng, 'me re potlakise mehato ea rona ea ho ema ka har'a boemo ba lik'hamphani tsa lefats'e tsa maemo a holimo le tsa theknoloji e phahameng bakeng sa A53 Gr. B Seamless/Welded Carbon Steel Pipe, Re u amohela ho etela feme ea rona mme re lebelletse ho theha likamano tsa botsoalle tsa khoebo le bareki ba hae le kantle ho naha haufinyane. Lihlahisoa tsohle tsa rona le litharollo li lumellana le litekanyetso tsa boleng ba machaba 'me li ananeloa haholo limmarakeng tse sa tšoaneng ho pota lefatše. Haeba u thahasella sehlahisoa sefe kapa sefe sa rona kapa u ka rata ho buisana ka taelo e tloaelehileng, hopola ho ikutloa u lokolohile ho ikopanya le rona. Re ntse re labalabela ho theha likamano tse atlehileng tsa khoebo le bareki ba bacha haufinyane.
ASTM A53 e totobatsa litlhoko tsa liphaephe tsa tšepe tse se nang moroallo / tse cheselitsoeng tse ntšo le tse chesang tse chesang bakeng sa tšebeliso e akaretsang. Tšepe e thathamisitsoeng ka mokhoa o tloaelehileng e tlameha ho sebetsoa ka sebōping se bulehileng, oksijene ea alkaline kapa sebōpi sa motlakase, 'me e tlameha ho ba le litlhoko tse latelang tsa lik'hemik'hale: carbon, manganese, phosphorus, sebabole, koporo, nickel, chromium, molybdenum le vanadium. Phaephe e lokela ho ba e se nang moroallo kapa e cheselitsoeng. Liteko tsa ho tiea, ho kobeha le ho batalla li lokela ho etsoa ho netefatsa hore e tlameha ho kopana le thepa e tloaelehileng ea mochini. Teko ea khatello ea Hydrostatic e tla etsoa, 'me ha ho na ho lutla ka 'mele oa weld kapa oa pipe. Liteko tsa motlakase tse sa senyeheng li lokela ho etsoa ho netefatsa hore palo eohle ea lipeipi e tlameha ho finyelloa. Haeba ho nkoa ho hlokahala ho etsa bonnete ba hore pipeline e finyella litlhoko tse boletsoeng, moreki o na le tokelo ea ho etsa tlhahlobo le liteko tse boletsoeng ho tlhaloso ena.
ASTM A 53 e loketse tsamaiso ea liphaephe tsa khatello, liphaephe tsa liphaephe le liphaephe tse akaretsang ka mocheso oa likhato tse 350. Har'a tsona, sehlopha sa tšepe sa Gr.B ke sona se sebelisoang ka ho fetisisa, se nang le matla a matla a ≥ 415 (MPa) le ho hlahisa matla ≥ 240 (MPa).
Kopo
E sebelisoa haholo-holo bakeng sa likarolo tsa matla le khatello, le molemong oa kakaretso oa lipeipi tsa mouoane, metsi, khase le moea.
Kereiti e ka Sehloohong
G.A, GR.B
Karolo ea Lik'hemik'hale
| Kereiti | Karolo % ≤ | ||||||||
| C | Mn | P | S | CuA | NiA | CrA | MoA | VA | |
| Mofuta oa S (peipi e se nang moeli) | |||||||||
| G.A | 0.25B | 0.95 | 0.05 | 0.045 | 0.40 | 0.40 | 0.40 | 0.15 | 0.08 |
| GR.B | 0.30C | 1.20 | 0.05 | 0.045 | 0.40 | 0.40 | 0.40 | 0.15 | 0.08 |
| Mofuta oa E (Resistance welded pipe) | |||||||||
| G.A | 0.25B | 0.95 | 0.05 | 0.045 | 0.40 | 0.40 | 0.40 | 0.15 | 0.08 |
| GR.B | 0.30C | 1.20 | 0.05 | 0.045 | 0.40 | 0.40 | 0.40 | 0.15 | 0.08 |
| Mofuta oa F | |||||||||
| A | 0.30B | 1.20 | 0.05 | 0.045 | 0.40 | 0.40 | 0.40 | 0.15 | 0.08 |
A Kakaretso ea lintlha tsena tse hlano ha ea lokela ho ba kholo ho feta 1.00%.
B Bakeng sa phokotso e 'ngoe le e 'ngoe ea 0.01% ho palo e phahameng ea khabone, boholo ba manganese bo lumelloa ho eketseha ka 0.06%, empa boholo bo ke ke ba feta 1.35%.
C Phokotso e 'ngoe le e 'ngoe ea 0.01% ho palo e phahameng ea khabone e tla lumella boholo ba manganese ho eketseha ka 0.06%, empa boholo ha boa lokela ho feta 1.65%.
Thepa ea Mechini
| ntho | G.A | GR.B |
| matla a matla, ≥, psi [MPa] Kotulo e Matla, ≥, psi [MPa] Bolelele ba 2in.kapa 50mm | 48 000 [330]30 000 [205]A,B | 60 000 [415]35 000 [240]A,B |
A Bolelele ba bonyane ba gauge 2in. (50mm) e tla khethoa ka mokhoa o latelang:
e=625000(1940)A0.2/U0.9
e = bolelele ba bonyane ba gauge 2in. (50mm), peresente e lekanyelitsoe ho 0.5% e haufi;
A = E baloa ho ea ka bophara bo ka ntle bo boletsoeng ba tube ea lebitso kapa bophara bo tloaelehileng ba sampole e tsitsitseng le botenya ba eona ba lebota bo boletsoeng, 'me e pota-potiloe sebakeng se haufi-ufi sa sampuli ea 0.01 in.2 (1 mm2), mme E bapisoa le 0.75in.2 (500mm2), ho sa tsotellehe hore na ke efe e nyenyane.
U = matla a fokolang a fokolang, psi (MPa).
B Bakeng sa metswako e fapaneng ya boholo bo fapaneng ba disampole tsa teko le matla a fokolang a behilweng, bolelele bo hlokahalang bo bontshwa ho Lethathamo la X4.1 kapa Lethathamo la X4.2, ho latela ho sebetsa ha lona.
Tlhokahalo ea Teko
Teko ea tensile, teko ea ho khumama, tlhahlobo ea hydrostatic, tlhahlobo ea motlakase e sa senyeheng ea li-welds.
Matla a Phepelo
Matla a Phepelo: Lithane tse 2000 ka Khoeli Kereiting Ka 'ngoe ea ASTM A53/A53M-2012 Pipe ea Tšepe
Sephutheloana
Ka Mengata Le ka Lebokoseng le Matla la Lehong
Phano
Matsatsi a 7-14 haeba a le setokong, matsatsi a 30-45 ho hlahisa
Tefo
30% depsoit, 70% L/C kapa B/L kopi kapa 100% L/C ha u bona
Lintlha tsa Sehlahisoa
Tube ea boiler
GB/T 8162-2008
ASTM A519-2006
Tlhaloso: EN10210-1-2006
ASTM A53/A53M-2012
GB9948-2006
GB6479-2013
