China Sch40 A53 A106 API 5L E se nang Seamless and Welded Carbon Steel Pipe
Kakaretso
Liphehello tsa rona tsa ka ho sa feleng ke boikutlo ba "ho ela hloko 'maraka, ho ela hloko moetlo, ho ela hloko saense" hammoho le khopolo ea "boleng ba motheo, ho ba le tumelo ea pele le tsamaiso e tsoetseng pele" bakeng sa Pipe ea tšepe ea Seamless le e Welded Carbon Steel, Ka mekhoa. ka thata ho fumana mosebetsi oa rona, hangata re 'nile ra tšeptjoa ke bareki ba rona ba lihlahisoa tsa liphaephe tsa tšepe. Ikopanye le rona kajeno bakeng sa lintlha tse ling! Sehlopha sa rona se tseba hantle litlhoko tsa 'maraka linaheng tse fapaneng,' me se khona ho fana ka thepa ea boleng bo botle ka litheko tse ntle ho limmaraka tse fapaneng. Khamphani ea rona e se e thehile setsebi, sehlopha sa boqapi le se ikarabellang ho nts'etsapele bareki ka molao-motheo oa ho hapa mefuta e mengata.
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 |
| E mofuta (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
