Fektheri e rekisoang ka ho chesa China A335 P22 Alloy Steel Pipes
Ka tloaelo re ka phethahatsa bareki ba rona ba hlomphuoang ka litšebeletso tsa rona tse ntle haholo, tsa boleng bo holimo le tse ntle ka lebaka la hore re litsebi le ho sebetsa ka thata ho feta, 'me re e etsa ka tsela e bolokang chelete e ngata.A335 P22 motsoako oa tšepe Pipe, phala ea tšepe ea motsoako, Pipe ea boiler, phala ea boiler ea khatello e phahameng, pipe ea boiler e se nang moeli, Rea u amohela ho etela k'hamphani ea rona, feme le kamore ea rona ea lipontšo moo ho bonts'ang lintho tse fapaneng tse tla fihlela tebello ea hau. Ho sa le joalo, ho bonolo ho etela sebaka sa rona sa marang-rang, mme basebetsi ba rona ba thekiso ba tla leka ka hohle ho u fa litšebeletso tse ntle ka ho fetisisa. Etsa bonnete ba hore u iteanye le rona haeba u tlameha ho ba le lintlha tse ling. Sepheo sa rona ke ho thusa bareki ho hlokomela lipakane tsa bona. Re ntse re leka ka matla ho fihlela boemo bona ba katleho.
Khoeling ena re romella A335 P22 le P91 morerong oa Amerika Boroa. re na le phihlelo e lekaneng ka tatellano ea morero 'me basebetsi-'moho ba na le phihlelo ea lilemo tse fetang 10 ka pipe ea tšepe.
Kakaretso
Kopo
E sebelisoa haholo ho etsa phala ea boleng bo holimo ea tšepe ea alloy, phala e fapanyetsanoang mocheso, phala e matla ea mouoane bakeng sa indasteri ea peterole le ea lik'hemik'hale.
Kereiti e ka Sehloohong
Mophato oa phala ea boleng bo holimo ea alloy: P1, P2, P5, P9, P11, P22, P91, P92 joalo-joalo.
Karolo ea Lik'hemik'hale
Kereiti | UN | C≤ | Mn | P≤ | S≤ | Si≤ | Cr | Mo |
Sequiv. | ||||||||
P1 | K11522 | 0.10~0.20 | 0.30~0,80 | 0.025 | 0.025 | 0.10~0,50 | - | 0.44 ~ 0,65 |
P2 | K11547 | 0.10~0.20 | 0.30~0,61 | 0.025 | 0.025 | 0.10~0.30 | 0.50~0,81 | 0.44 ~ 0,65 |
P5 | K41545 | 0.15 | 0.30~0,60 | 0.025 | 0.025 | 0.5 | 4.00~6.00 | 0.44 ~ 0,65 |
P5b | K51545 | 0.15 | 0.30~0,60 | 0.025 | 0.025 | 1.00~2.00 | 4.00~6.00 | 0.44 ~ 0,65 |
P5c | K41245 | 0.12 | 0.30~0,60 | 0.025 | 0.025 | 0.5 | 4.00~6.00 | 0.44 ~ 0,65 |
P9 | S50400 | 0.15 | 0.30~0,60 | 0.025 | 0.025 | 0.50 ~ 1.00 | 8.00~10.00 | 0.44 ~ 0,65 |
P11 | K11597 | 0.05~0.15 | 0.30~0,61 | 0.025 | 0.025 | 0.50 ~ 1.00 | 1.00 ~ 1.50 | 0.44 ~ 0,65 |
P12 | K11562 | 0.05~0.15 | 0.30~0,60 | 0.025 | 0.025 | 0.5 | 0.80~1.25 | 0.44 ~ 0,65 |
P15 | K11578 | 0.05~0.15 | 0.30~0,60 | 0.025 | 0.025 | 1.15 ~ 1.65 | - | 0.44 ~ 0,65 |
P21 | K31545 | 0.05~0.15 | 0.30~0,60 | 0.025 | 0.025 | 0.5 | 2.65~3.35 | 0.80~1,60 |
P22 | K21590 | 0.05~0.15 | 0.30~0,60 | 0.025 | 0.025 | 0.5 | 1.90~2,60 | 0.87~1.13 |
P91 | K91560 | 0.08~0.12 | 0.30~0,60 | 0.02 | 0.01 | 0.20~0,50 | 8.00~9.50 | 0.85~1.05 |
P92 | K92460 | 0.07~0.13 | 0.30~0,60 | 0.02 | 0.01 | 0.5 | 8.50~9.50 | 0.30~0,60 |
Lebitso le lecha le thehiloeng ho latela Practice E 527 le SAE J1086, Practice for Numbering Metals and Alloys (UNS). B Grade P 5c e tla ba le titanium content e seng ka tlase ho makhetlo a 4 ho feta khabone le ho feta 0.70%; kapa dikahare tsa columbium tsa 8 ho isa ho 10 makhetlo a khabone.
Thepa ea Mechini
Thepa ea mechine | P1,P2 | P12 | P23 | P91 | P92,P11 | P122 |
Matla a tšepe | 380 | 415 | 510 | 585 | 620 | 620 |
Ho hlahisa matla | 205 | 220 | 400 | 415 | 440 | 400 |
Kalafo ea Mocheso
Kereiti | Mofuta oa Phekolo ea Mocheso | Boemo bo Tloaelehileng ba Thempereichara F [C] | Subcritical Annealing kapa Tempering |
P5, P9, P11, le P22 | Boemo ba Mocheso F [C] | ||
A335 P5 (b,c) | Aneal e felletseng kapa e Isothermal | ||
Tloaeleha le ho halefa | ***** | 1250 [675] | |
Subcritical Anneal (P5c feela) | ***** | 1325 - 1375 [715 - 745] | |
A335 P9 | Aneal e felletseng kapa e Isothermal | ||
Tloaeleha le ho halefa | ***** | 1250 [675] | |
A335 P11 | Aneal e felletseng kapa e Isothermal | ||
Tloaeleha le ho halefa | ***** | 1200 [650] | |
A335 P22 | Aneal e felletseng kapa e Isothermal | ||
Tloaeleha le ho halefa | ***** | 1250 [675] | |
A335 P91 | Tloaeleha le ho halefa | 1900-1975 [1040 - 1080] | 1350-1470 [730 - 800] |
Tlosa le ho halefa | 1900-1975 [1040 - 1080] | 1350-1470 [730 - 800] |
Tlhokahalo ea Teko
Ntle le ho netefatsa sebopeho sa lik'hemik'hale le thepa ea mochini, liteko tsa hydrostatic li etsoa ka bonngoe, Tlhahlobo e sa Senyeheng, Tlhahlobo ea Sehlahisoa, Sebopeho sa Metal le Liteko tsa Etching, Teko ea ho batalla joalo-joalo.
Matla a Phepelo
Matla a Phepelo: Lithane tse 2000 ka Khoeli Ka Kreiti ka 'ngoe ea ASTM A335 Alloy Steel Pipe
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