Feme e etsang China ASTM A53 Spiral Welded Carbon Steel Pipe SSAW Pipe
Kakaretso
Ka thekenoloji ea rona e etelletseng pele le moea oa rona oa boqapi, tšebelisano-'moho, melemo le kholo, re tla ikahela bokamoso bo atlehileng 'moho le peipi ea hau e hlomphuoang ea tšepe e kentsoeng, Re boloka linako tse nakong, meralo e ncha, boleng bo holimo le pepeneneng bakeng sa rona. bareki. Mollo oa rona e lokela ho ba ho fana ka thepa ea boleng ka nako e behiloeng.
Rea u amohela ho etela k'hamphani ea rona, feme le polokelo ea rona moo re bonts'ang thepa ea rona e tla fihlela tebello ea hau. Ho sa le joalo, ho bonolo ho etela sebaka sa rona sa marang-rang, 'me basebetsi ba rona ba thekiso ba tla leka ka hohle ho u fa litšebeletso tse ntle ka ho fetisisa. Etsa bonnete ba hore o ikopanya le rona haeba o hloka lintlha tse ling. Sepheo sa rona ke ho thusa bareki ho hlokomela lipakane tsa bona. Re etsa matsapa a maholo ho fihlela boemo bona ba katleho.
Mabapi le peipi e entsoeng ka carbon steel welded, ho na le poeple e mosa e bitsoang MS pipe, e bolelang liphaephe tse entsoeng ka tšepe e bonolo/tšepe e tlaase ea carbon(carbon steel eo carbon content e ka tlaase ho 0.25%). Pipe ea mofuta ona e tloaelehile haholo, haholo-holo e sebelisoa mohahong oa kaho, scaffold joalo-joalo. Peipi ena e mosa e batla e le bonolo, ha e khone ho mamella matla le khatello e ngata, ka hona e ka sebelisoa le lipalangoang tse nang le khatello e tlase ea metsi. Hobane tšepe ea mofuta ona e na le thepa e tlase ea mochini, e ke ke ea sebelisoa hotshebediso boemo bo nang le tlhokahalo e phahameng, kahoo ha batho ba bua ka MS pipe, kamehla e bolela phala e cheselitsoeng.
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
