China ASME SA335 P91 P22 High Pressure Alloy Steel Seamless Boiler Pipe
Kakaretso
Re nahanne ka lepetjo lena, joale re se re le har'a bahlahisi ba nang le mahlale a morao-rao, ba theko e tlaase, le ba tlholisano ea litheko bakeng sa Pipe ea Boiler ea High Pressure Alloy Seamless, Etsa bonnete ba hore u lokolohile ho ikopanya le rona ho nako efe kapa efe. Re tla u araba ha re fumana lipotso tsa hau. Ka kopo hlokomela hore mehlala e teng pele re qala khoebo ea rona. Re ke ke ra tsoela pele ho hlahisa tataiso ea botekgeniki ea litsebi tse tsoang lapeng le kantle ho naha, empa hape re tla nts'etsapele lihlahisoa tse ncha le tse tsoetseng pele khafetsa ho fihlela litlhoko tsa bareki ba rona lefatšeng ka bophara ka mokhoa o khotsofatsang.
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) | Anneal e felletseng kapa ea Isothermal | ||
Tloaeleha le ho halefa | ***** | 1250 [675] | |
Subcritical Anneal (P5c feela) | ***** | 1325 - 1375 [715 - 745] | |
A335 P9 | Anneal e felletseng kapa ea Isothermal | ||
Tloaeleha le ho halefa | ***** | 1250 [675] | |
A335 P11 | Anneal e felletseng kapa ea Isothermal | ||
Tloaeleha le ho halefa | ***** | 1200 [650] | |
A335 P22 | Anneal e felletseng kapa ea 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